| author name | recommending | commenting | favorite | papers | recom. | cited | |
|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 57 | 0 | 201 | [Update] | |
| 0 | 0 | 0 | 2 | 0 | 2 | [Update] |
Latest Paper:
K Aamodt,
B Abelev,
A Abrahantes Quintana,
D Adamová,
A M Adare,
M M Aggarwal,
G Aglieri Rinella,
A G Agocs,
A Agostinelli,
S Aguilar Salazar,
Z Ahammed,
N Ahmad,
A Ahmad Masoodi,
S U Ahn,
A Akindinov,
D Aleksandrov,
B Alessandro,
R Alfaro Molina,
A Alici,
A Alkin,
E Almaráz Aviña,
J Alme,
T Alt,
V Altini,
S Altinpinar,
I Altsybeev,
C Andrei,
A Andronic,
V Anguelov,
J Anielski,
T Antičić,
F Antinori,
P Antonioli,
L Aphecetche,
H Appelshäuser,
N Arbor,
S Arcelli,
A Arend,
N Armesto,
R Arnaldi,
T Aronsson,
I C Arsene,
M Arslandok,
A Asryan,
A Augustinus,
R Averbeck,
T C Awes,
J Aystö,
M D Azmi,
M Bach,
A Badalà,
Y W Baek,
R Bailhache,
R Bala,
R Baldini Ferroli,
A Baldisseri,
A Baldit,
F Baltasar Dos Santos Pedrosa,
J Bán,
R C Baral,
R Barbera,
F Barile,
G G Barnaföldi,
L S Barnby,
V Barret,
J Bartke,
M Basile,
N Bastid,
B Bathen,
G Batigne,
B Batyunya,
C Baumann,
I G Bearden,
H Beck,
I Belikov,
F Bellini,
R Bellwied,
E Belmont-Moreno,
S Beole,
I Berceanu,
A Bercuci,
Y Berdnikov,
D Berenyi,
C Bergmann,
L Betev,
A Bhasin,
A K Bhati,
L Bianchi,
N Bianchi,
C Bianchin,
J Bielčík,
J Bielčíková,
A Bilandzic,
E Biolcati,
F Blanco,
D Blau,
C Blume,
N Bock,
A Bogdanov,
H Bøggild,
M Bogolyubsky,
L Boldizsár,
M Bombara,
C Bombonati,
J Book,
H Borel,
A Borissov,
C Bortolin,
S Bose,
F Bossú,
M Botje,
S Böttger,
B Boyer,
P Braun-Munzinger,
M Bregant,
T Breitner,
M Broz,
R Brun,
E Bruna,
G E Bruno,
D Budnikov,
H Buesching,
S Bufalino,
K Bugaiev,
O Busch,
Z Buthelezi,
D Caffarri,
X Cai,
H Caines,
E Calvo Villar,
P Camerini,
V Canoa Roman,
G Cara Romeo,
F Carena,
W Carena,
F Carminati,
A Casanova Díaz,
M Caselle,
J Castillo Castellanos,
E A R Casula,
V Catanescu,
C Cavicchioli,
J Cepila,
P Cerello,
B Chang,
S Chapeland,
J L Charvet,
S Chattopadhyay,
M Cherney,
C Cheshkov,
B Cheynis,
E Chiavassa,
V Chibante Barroso,
D D Chinellato,
P Chochula,
M Chojnacki,
P Christakoglou,
C H Christensen,
P Christiansen,
T Chujo,
S U Chung,
C Cicalo,
L Cifarelli,
F Cindolo,
J Cleymans,
F Coccetti,
J-P Coffin,
F Colamaria,
D Colella,
G Conesa Balbastre,
Z Conesa Del Valle,
P Constantin,
G Contin,
J G Contreras,
T M Cormier,
Y Corrales Morales,
I Cortés Maldonado,
P Cortese,
M R Cosentino,
F Costa,
M E Cotallo,
P Crochet,
E Cruz Alaniz,
E Cuautle,
L Cunqueiro,
G D Erasmo,
A Dainese,
H H Dalsgaard,
A Danu,
D Das,
I Das,
K Das,
A Dash,
S Dash,
S De,
A De Azevedo Moregula,
G O V de Barros,
A De Caro,
G de Cataldo,
J de Cuveland,
A De Falco,
D De Gruttola,
N De Marco,
S De Pasquale,
R de Rooij,
E Del Castillo Sanchez,
H Delagrange,
A Deloff,
V Demanov,
E Dénes,
A Deppman,
D Di Bari,
C Di Giglio,
S Di Liberto,
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P Di Nezza,
T Dietel,
R Divià,
O Djuvsland,
A Dobrin,
T Dobrowolski,
I Domínguez,
B Dönigus,
O Dordic,
O Driga,
A K Dubey,
L Ducroux,
P Dupieux,
A K Dutta Majumdar,
M R Dutta Majumdar,
D Elia,
D Emschermann,
H Engel,
H A Erdal,
B Espagnon,
M Estienne,
S Esumi,
D Evans,
G Eyyubova,
D Fabris,
J Faivre,
D Falchieri,
A Fantoni,
M Fasel,
R Fearick,
A Fedunov,
D Fehlker,
D Felea,
B Fenton-Olsen,
G Feofilov,
A Fernández Téllez,
E G Ferreiro,
A Ferretti,
R Ferretti,
J Figiel,
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S Filchagin,
R Fini,
D Finogeev,
F M Fionda,
E M Fiore,
M Floris,
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P Foka,
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U Frankenfeld,
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G Volpe,
B von Haller,
D Vranic,
J Vrláková,
B Vulpescu,
A Vyushin,
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V Wagner,
R Wan,
D Wang,
M Wang,
Y Wang,
K Watanabe,
J P Wessels,
U Westerhoff,
J Wiechula,
J Wikne,
M Wilde,
A Wilk,
G Wilk,
M C S Williams,
B Windelband,
L Xaplanteris Karampatsos,
H Yang,
S Yasnopolskiy,
J Yi,
Z Yin,
H Yokoyama,
I-K Yoo,
J Yoon,
W Yu,
X Yuan,
I Yushmanov,
C Zach,
C Zampolli,
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A Zarochentsev,
P Závada,
N Zaviyalov,
H Zbroszczyk,
P Zelnicek,
I Zgura,
M Zhalov,
X Zhang,
D Zhou,
F Zhou,
Y Zhou,
X Zhu,
A Zichichi,
A Zimmermann,
G Zinovjev,
Y Zoccarato,
M Zynovyev
Department of Physics and Technology, University of Bergen, Bergen, Norway.
The yield of charged particles associated with high-p_{t} trigger particles (8<p_{t}<15 GeV/c) is measured with the ALICE detector in Pb-Pb collisions at sqrt[s_{NN}]=2.76 TeV relative to proton-proton collisions at the same energy. The conditional per-trigger yields are extracted from the narrow jetlike correlation peaks in azimuthal dihadron correlations. In the 5% most central collisions, we observe that the yield of associated charged particles with transverse momenta p_{t}>3 GeV/c on the away side drops to about 60% of that observed in pp collisions, while on the near side a moderate enhancement of 20%-30% is found.
B Abelev,
A Abrahantes Quintana,
D Adamová,
A M Adare,
M M Aggarwal,
G Aglieri Rinella,
A G Agocs,
A Agostinelli,
S Aguilar Salazar,
Z Ahammed,
N Ahmad,
A Ahmad Masoodi,
S U Ahn,
A Akindinov,
D Aleksandrov,
B Alessandro,
R Alfaromolina,
A Alici,
A Alkin,
E Almaráz Aviña,
T Alt,
V Altini,
S Altinpinar,
I Altsybeev,
C Andrei,
A Andronic,
V Anguelov,
C Anson,
T Antičić,
F Antinori,
P Antonioli,
L Aphecetche,
H Appelshäuser,
N Arbor,
S Arcelli,
A Arend,
N Armesto,
R Arnaldi,
T Aronsson,
I C Arsene,
M Arslandok,
A Asryan,
A Augustinus,
R Averbeck,
T C Awes,
J Aystö,
M D Azmi,
M Bach,
A Badalà,
Y W Baek,
R Bailhache,
R Bala,
R Baldini Ferroli,
A Baldisseri,
A Baldit,
F Baltasar Dos Santos Pedrosa,
J Bán,
R C Baral,
R Barbera,
F Barile,
G G Barnaföldi,
L S Barnby,
V Barret,
J Bartke,
M Basile,
N Bastid,
B Bathen,
G Batigne,
B Batyunya,
C Baumann,
I G Bearden,
H Beck,
I Belikov,
F Bellini,
R Bellwied,
E Belmont-Moreno,
S Beole,
I Berceanu,
A Bercuci,
Y Berdnikov,
D Berenyi,
C Bergmann,
D Berzano,
L Betev,
A Bhasin,
A K Bhati,
N Bianchi,
L Bianchi,
C Bianchin,
J Bielčík,
J Bielčíková,
A Bilandzic,
F Blanco,
D Blau,
C Blume,
M Boccioli,
N Bock,
A Bogdanov,
H Bøggild,
M Bogolyubsky,
L Boldizsár,
M Bombara,
J Book,
H Borel,
A Borissov,
C Bortolin,
S Bose,
F Bossú,
M Botje,
S Böttger,
B Boyer,
P Braun-Munzinger,
M Bregant,
T Breitner,
M Broz,
R Brun,
E Bruna,
G E Bruno,
D Budnikov,
H Buesching,
S Bufalino,
K Bugaiev,
O Busch,
Z Buthelezi,
D Caffarri,
X Cai,
H Caines,
E Calvo Villar,
P Camerini,
V Canoa Roman,
G Cara Romeo,
W Carena,
F Carena,
N Carlin Filho,
F Carminati,
C A Carrillo Montoya,
A Casanova Díaz,
M Caselle,
J Castillo Castellanos,
J F Castillo Hernandez,
E A R Casula,
V Catanescu,
C Cavicchioli,
J Cepila,
P Cerello,
B Chang,
S Chapeland,
J L Charvet,
S Chattopadhyay,
M Cherney,
C Cheshkov,
B Cheynis,
E Chiavassa,
V Chibante Barroso,
D D Chinellato,
P Chochula,
M Chojnacki,
P Christakoglou,
C H Christensen,
P Christiansen,
T Chujo,
S U Chung,
C Cicalò,
L Cifarelli,
F Cindolo,
J Cleymans,
F Coccetti,
J-P Coffin,
F Colamaria,
D Colella,
G Conesa Balbastre,
Z Conesa Del Valle,
P Constantin,
G Contin,
J G Contreras,
T M Cormier,
Y Corrales Morales,
P Cortese,
I Cortés Maldonado,
M R Cosentino,
F Costa,
M E Cotallo,
E Crescio,
P Crochet,
E Cruz Alaniz,
E Cuautle,
L Cunqueiro,
A Dainese,
H H Dalsgaard,
A Danu,
D Das,
I Das,
K Das,
S Dash,
A Dash,
S De,
A De Azevedo Moregula,
G O V de Barros,
A De Caro,
G de Cataldo,
J de Cuveland,
A De Falco,
D De Gruttola,
H Delagrange,
E Del Castillo Sanchez,
A Deloff,
V Demanov,
N De Marco,
E Dénes,
S De Pasquale,
A Deppman,
G D'Erasmo,
R de Rooij,
D Di Bari,
T Dietel,
C Di Giglio,
S Di Liberto,
A Di Mauro,
P Di Nezza,
R Divià,
O Djuvsland,
A Dobrin,
T Dobrowolski,
I Domínguez,
B Dönigus,
O Dordic,
O Driga,
A K Dubey,
L Ducroux,
P Dupieux,
M R Dutta Majumdar,
A K Dutta Majumdar,
D Elia,
D Emschermann,
H Engel,
H A Erdal,
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M Estienne,
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F M Fionda,
E M Fiore,
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C Guerra Gutierrez,
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A Gupta,
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H Gutbrod,
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T S Tveter,
J Ulery,
K Ullaland,
J Ulrich,
A Uras,
J Urbán,
G M Urciuoli,
G L Usai,
M Vajzer,
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L Valencia Palomo,
S Vallero,
N van der Kolk,
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E Vercellin,
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D C Vernekohl,
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M Verweij,
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G Viesti,
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Z Vilakazi,
O Villalobos Baillie,
A Vinogradov,
L Vinogradov,
Y Vinogradov,
T Virgili,
Y P Viyogi,
A Vodopyanov,
K Voloshin,
S Voloshin,
G Volpe,
B von Haller,
D Vranic,
J Vrláková,
B Vulpescu,
A Vyushin,
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B Wagner,
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Y Wang,
D Wang,
M Wang,
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J P Wessels,
U Westerhoff,
J Wiechula,
J Wikne,
M Wilde,
G Wilk,
A Wilk,
M C S Williams,
B Windelband,
L Xaplanteris Karampatsos,
H Yang,
S Yano,
S Yasnopolskiy,
J Yi,
Z Yin,
H Yokoyama,
I-K Yoo,
J Yoon,
W Yu,
X Yuan,
I Yushmanov,
C Zach,
C Zampolli,
S Zaporozhets,
A Zarochentsev,
P Závada,
N Zaviyalov,
H Zbroszczyk,
P Zelnicek,
I Zgura,
M Zhalov,
X Zhang,
F Zhou,
D Zhou,
Y Zhou,
X Zhu,
A Zichichi,
A Zimmermann,
G Zinovjev,
Y Zoccarato,
M Zynovyev
Lawrence Livermore National Laboratory, Livermore, California, USA.
The ALICE Collaboration has studied J/ψ production in pp collisions at sqrt[s]=7 TeV at the LHC through its muon pair decay. The polar and azimuthal angle distributions of the decay muons were measured, and results on the J/ψ polarization parameters λ_{θ} and λ_{ϕ} were obtained. The study was performed in the kinematic region 2.5<y<4, 2<p_{t}<8 GeV/c, in the helicity and Collins-Soper reference frames. In both frames, the polarization parameters are compatible with zero, within uncertainties.
K Aamodt,
B Abelev,
A Abrahantes Quintana,
D Adamová,
A M Adare,
M M Aggarwal,
G Aglieri Rinella,
A G Agocs,
A Agostinelli,
S Aguilar Salazar,
Z Ahammed,
N Ahmad,
A Ahmad Masoodi,
S U Ahn,
A Akindinov,
D Aleksandrov,
B Alessandro,
R Alfaro Molina,
A Alici,
A Alkin,
E Almaráz Aviña,
T Alt,
V Altini,
I Altsybeev,
C Andrei,
A Andronic,
V Anguelov,
C Anson,
T Antičić,
F Antinori,
P Antonioli,
L Aphecetche,
H Appelshäuser,
N Arbor,
S Arcelli,
A Arend,
N Armesto,
R Arnaldi,
T Aronsson,
I C Arsene,
M Arslandok,
A Asryan,
A Augustinus,
R Averbeck,
T C Awes,
J Äystö,
M D Azmi,
M Bach,
A Badalà,
Y W Baek,
R Bailhache,
R Bala,
R Baldini Ferroli,
A Baldisseri,
A Baldit,
J Bán,
R C Baral,
R Barbera,
F Barile,
G G Barnaföldi,
L S Barnby,
V Barret,
J Bartke,
M Basile,
N Bastid,
B Bathen,
G Batigne,
B Batyunya,
C Baumann,
I G Bearden,
H Beck,
I Belikov,
F Bellini,
R Bellwied,
E Belmont-Moreno,
S Beole,
I Berceanu,
A Bercuci,
E Berdermann,
Y Berdnikov,
C Bergmann,
L Betev,
A Bhasin,
A K Bhati,
L Bianchi,
N Bianchi,
C Bianchin,
J Bielčík,
J Bielčíková,
A Bilandzic,
E Biolcati,
F Blanco,
D Blau,
C Blume,
M Boccioli,
N Bock,
A Bogdanov,
H Bøggild,
M Bogolyubsky,
L Boldizsár,
M Bombara,
C Bombonati,
J Book,
H Borel,
A Borissov,
C Bortolin,
S Bose,
F Bossú,
M Botje,
S Böttger,
B Boyer,
P Braun-Munzinger,
L Bravina,
M Bregant,
T Breitner,
M Broz,
R Brun,
E Bruna,
G E Bruno,
D Budnikov,
H Buesching,
S Bufalino,
K Bugaiev,
O Busch,
Z Buthelezi,
D Caffarri,
X Cai,
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E Calvo Villar,
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J F Castillo Hernandez,
V Catanescu,
C Cavicchioli,
J Cepila,
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S Chapeland,
J L Charvet,
S Chattopadhyay,
M Cherney,
C Cheshkov,
B Cheynis,
V Chibante Barroso,
D D Chinellato,
P Chochula,
M Chojnacki,
P Christakoglou,
C H Christensen,
P Christiansen,
T Chujo,
C Cicalo,
L Cifarelli,
F Cindolo,
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G Contin,
J G Contreras,
T M Cormier,
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P Cortese,
I Cortés Maldonado,
M R Cosentino,
F Costa,
M E Cotallo,
E Crescio,
P Crochet,
E Cuautle,
L Cunqueiro,
A Dainese,
H H Dalsgaard,
A Danu,
I Das,
D Das,
S Dash,
A Dash,
S De,
A De Azevedo Moregula,
G O V de Barros,
A De Caro,
G de Cataldo,
J de Cuveland,
A De Falco,
D De Gruttola,
H Delagrange,
E Del Castillo Sanchez,
Y Delgado Mercado,
G Dellacasa,
A Deloff,
V Demanov,
N De Marco,
E Dénes,
S De Pasquale,
A Deppman,
G D Erasmo,
R de Rooij,
D Di Bari,
T Dietel,
C Di Giglio,
S Di Liberto,
A Di Mauro,
P Di Nezza,
R Divià,
Ø Djuvsland,
A Dobrin,
T Dobrowolski,
I Domínguez,
B Dönigus,
O Dordic,
O Driga,
A K Dubey,
L Ducroux,
P Dupieux,
M R Dutta Majumdar,
A K Dutta Majumdar,
D Elia,
D Emschermann,
H Engel,
H A Erdal,
B Espagnon,
M Estienne,
S Esumi,
D Evans,
S Evrard,
G Eyyubova,
C W Fabjan,
D Fabris,
J Faivre,
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A Fantoni,
M Fasel,
R Fearick,
A Fedunov,
D Fehlker,
V Fekete,
D Felea,
G Feofilov,
A Fernández Téllez,
R Ferretti,
A Ferretti,
M A S Figueredo,
S Filchagin,
R Fini,
D Finogeev,
F M Fionda,
E M Fiore,
M Floris,
S Foertsch,
P Foka,
S Fokin,
E Fragiacomo,
M Fragkiadakis,
U Frankenfeld,
U Fuchs,
F Furano,
C Furget,
M Fusco Girard,
J J Gaardhøje,
S Gadrat,
M Gagliardi,
A Gago,
M Gallio,
D R Gangadharan,
P Ganoti,
C Garabatos,
E Garcia-Solis,
R Gemme,
J Gerhard,
M Germain,
C Geuna,
M Gheata,
A Gheata,
B Ghidini,
P Ghosh,
P Gianotti,
M R Girard,
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P Glässel,
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L H González-Trueba,
P González-Zamora,
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S Gotovac,
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L K Graczykowski,
R Grajcarek,
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C Grigoras,
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B Guerzoni,
M Guilbaud,
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T Gunji,
R Gupta,
A Gupta,
H Gutbrod,
Ø Haaland,
C Hadjidakis,
M Haiduc,
H Hamagaki,
G Hamar,
B H Han,
L D Hanratty,
Z Harmanova,
J W Harris,
M Hartig,
D Hasegan,
D Hatzifotiadou,
A Hayrapetyan,
M Heide,
M Heinz,
H Helstrup,
A Herghelegiu,
G Herrera Corral,
N Herrmann,
K F Hetland,
B Hicks,
P T Hille,
B Hippolyte,
T Horaguchi,
Y Hori,
P Hristov,
I Hřivnáčová,
M Huang,
S Huber,
T J Humanic,
D S Hwang,
R Ilkaev,
I Ilkiv,
M Inaba,
E Incani,
G M Innocenti,
M Ippolitov,
M Irfan,
C Ivan,
V Ivanov,
A Ivanov,
M Ivanov,
A Jachołkowski,
P M Jacobs,
L Jancurová,
S Jangal,
M A Janik,
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U Westerhoff,
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A Wilk,
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M C S Williams,
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L Xaplanteris Karampatsos,
H Yang,
S Yasnopolskiy,
J Yi,
Z Yin,
H Yokoyama,
I-K Yoo,
J Yoon,
X Yuan,
I Yushmanov,
E Zabrodin,
C Zach,
C Zampolli,
S Zaporozhets,
A Zarochentsev,
P Závada,
N Zaviyalov,
H Zbroszczyk,
P Zelnicek,
A Zenin,
I Zgura,
M Zhalov,
X Zhang,
D Zhou,
F Zhou,
Y Zhou,
X Zhu,
A Zichichi,
G Zinovjev,
Y Zoccarato,
M Zynovyev
Department of Physics and Technology, University of Bergen, Bergen, Norway.
We report on the first measurement of the triangular v3, quadrangular v4, and pentagonal v5 charged particle flow in Pb-Pb collisions at sqrt(s(NN))= 2.76 TeV measured with the ALICE detector at the CERN Large Hadron Collider. We show that the triangular flow can be described in terms of the initial spatial anisotropy and its fluctuations, which provides strong constraints on its origin. In the most central events, where the elliptic flow v2 and v3 have similar magnitude, a double peaked structure in the two-particle azimuthal correlations is observed, which is often interpreted as a Mach cone response to fast partons. We show that this structure can be naturally explained from the measured anisotropic flow Fourier coefficients.
K Aamodt,
A Abrahantes Quintana,
D Adamová,
A M Adare,
M M Aggarwal,
G Aglieri Rinella,
A G Agocs,
S Aguilar Salazar,
Z Ahammed,
N Ahmad,
A Ahmad Masoodi,
S U Ahn,
A Akindinov,
D Aleksandrov,
B Alessandro,
R Alfaro Molina,
A Alici,
A Alkin,
E Almaráz Aviña,
T Alt,
V Altini,
S Altinpinar,
I Altsybeev,
C Andrei,
A Andronic,
V Anguelov,
C Anson,
T Antičić,
F Antinori,
P Antonioli,
L Aphecetche,
H Appelshäuser,
N Arbor,
S Arcelli,
A Arend,
N Armesto,
R Arnaldi,
T Aronsson,
I C Arsene,
A Asryan,
A Augustinus,
R Averbeck,
T C Awes,
J Aystö,
M D Azmi,
M Bach,
A Badalà,
Y W Baek,
S Bagnasco,
R Bailhache,
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A Baldisseri,
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R Barbera,
F Barile,
G G Barnaföldi,
L S Barnby,
V Barret,
J Bartke,
M Basile,
N Bastid,
B Bathen,
G Batigne,
B Batyunya,
C Baumann,
I G Bearden,
H Beck,
I Belikov,
F Bellini,
R Bellwied,
E Belmont-Moreno,
S Beole,
I Berceanu,
A Bercuci,
E Berdermann,
Y Berdnikov,
L Betev,
A Bhasin,
A K Bhati,
L Bianchi,
N Bianchi,
C Bianchin,
J Bielčík,
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A Bilandzic,
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A Bogdanov,
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P Kaliňák,
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T Kalliokoski,
A Kalweit,
R Kamermans,
K Kanaki,
E Kang,
J H Kang,
V Kaplin,
O Karavichev,
T Karavicheva,
E Karpechev,
A Kazantsev,
U Kebschull,
R Keidel,
M M Khan,
A Khanzadeev,
Y Kharlov,
B Kileng,
D J Kim,
D S Kim,
D W Kim,
H N Kim,
J H Kim,
J S Kim,
M Kim,
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I Kisel,
S Kiselev,
A Kisiel,
J L Klay,
J Klein,
C Klein-Bösing,
M Kliemant,
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A Kolojvari,
V Kondratiev,
N Kondratyeva,
A Konevskih,
E Kornaś,
C Kottachchi Kankanamge Don,
R Kour,
M Kowalski,
S Kox,
G Koyithatta Meethaleveedu,
K Kozlov,
J Kral,
I Králik,
F Kramer,
I Kraus,
T Krawutschke,
M Kretz,
M Krivda,
D Krumbhorn,
M Krus,
E Kryshen,
M Krzewicki,
Y Kucheriaev,
C Kuhn,
P G Kuijer,
P Kurashvili,
A Kurepin,
A B Kurepin,
A Kuryakin,
S Kushpil,
V Kushpil,
M J Kweon,
Y Kwon,
P La Rocca,
P Ladrón de Guevara,
V Lafage,
C Lara,
D T Larsen,
C Lazzeroni,
Y Le Bornec,
R Lea,
K S Lee,
S C Lee,
F Lefèvre,
J Lehnert,
L Leistam,
M Lenhardt,
V Lenti,
I León Monzón,
H León Vargas,
P Lévai,
X Li,
R Lietava,
S Lindal,
V Lindenstruth,
C Lippmann,
M A Lisa,
L Liu,
V R Loggins,
V Loginov,
S Lohn,
D Lohner,
C Loizides,
X Lopez,
M López Noriega,
E López Torres,
G Løvhøiden,
X-G Lu,
P Luettig,
M Lunardon,
G Luparello,
L Luquin,
C Luzzi,
K Ma,
R Ma,
D M Madagodahettige-Don,
A Maevskaya,
M Mager,
D P Mahapatra,
A Maire,
M Malaev,
I Maldonado Cervantes,
D Mal'Kevich,
P Malzacher,
A Mamonov,
L Manceau,
L Mangotra,
V Manko,
F Manso,
V Manzari,
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J Mareš,
G V Margagliotti,
A Margotti,
A Marín,
I Martashvili,
P Martinengo,
M I Martínez,
A Martínez Davalos,
G Martínez García,
Y Martynov,
A Mas,
S Masciocchi,
M Masera,
A Masoni,
L Massacrier,
M Mastromarco,
A Mastroserio,
Z L Matthews,
A Matyja,
D Mayani,
G Mazza,
M A Mazzoni,
F Meddi,
A Menchaca-Rocha,
P Mendez Lorenzo,
J Mercado Pérez,
P Mereu,
Y Miake,
J Midori,
L Milano,
J Milosevic,
A Mischke,
D Miśkowiec,
C Mitu,
J Mlynarz,
B Mohanty,
L Molnar,
L Montaño Zetina,
M Monteno,
E Montes,
M Morando,
D A Moreira De Godoy,
S Moretto,
A Morsch,
V Muccifora,
E Mudnic,
H Müller,
S Muhuri,
M G Munhoz,
J Munoz,
L Musa,
A Musso,
B K Nandi,
R Nania,
E Nappi,
C Nattrass,
F Navach,
S Navin,
T K Nayak,
S Nazarenko,
G Nazarov,
A Nedosekin,
F Nendaz,
J Newby,
M Nicassio,
B S Nielsen,
S Nikolaev,
V Nikolic,
S Nikulin,
V Nikulin,
B S Nilsen,
M S Nilsson,
F Noferini,
G Nooren,
N Novitzky,
A Nyanin,
A Nyatha,
C Nygaard,
J Nystrand,
H Obayashi,
A Ochirov,
H Oeschler,
S K Oh,
J Oleniacz,
C Oppedisano,
A Ortiz Velasquez,
G Ortona,
A Oskarsson,
P Ostrowski,
I Otterlund,
J Otwinowski,
G Øvrebekk,
K Oyama,
K Ozawa,
Y Pachmayer,
M Pachr,
F Padilla,
P Pagano,
G Paić,
F Painke,
C Pajares,
S Pal,
S K Pal,
A Palaha,
A Palmeri,
G S Pappalardo,
W J Park,
V Paticchio,
A Pavlinov,
T Pawlak,
T Peitzmann,
D Peresunko,
C E Pérez Lara,
D Perini,
D Perrino,
W Peryt,
A Pesci,
V Peskov,
Y Pestov,
A J Peters,
V Petráček,
M Petris,
P Petrov,
M Petrovici,
C Petta,
S Piano,
A Piccotti,
M Pikna,
P Pillot,
O Pinazza,
L Pinsky,
N Pitz,
F Piuz,
D B Piyarathna,
R Platt,
M Płoskoń,
J Pluta,
T Pocheptsov,
S Pochybova,
P L M Podesta-Lerma,
M G Poghosyan,
K Polák,
B Polichtchouk,
A Pop,
V Pospíšil,
B Potukuchi,
S K Prasad,
R Preghenella,
F Prino,
C A Pruneau,
I Pshenichnov,
G Puddu,
A Pulvirenti,
V Punin,
M Putiš,
J Putschke,
E Quercigh,
H Qvigstad,
A Rachevski,
A Rademakers,
O Rademakers,
S Radomski,
T S Räihä,
J Rak,
A Rakotozafindrabe,
L Ramello,
A Ramírez Reyes,
M Rammler,
R Raniwala,
S Raniwala,
S S Räsänen,
K F Read,
J S Real,
K Redlich,
R Renfordt,
A R Reolon,
A Reshetin,
F Rettig,
J-P Revol,
K Reygers,
H Ricaud,
L Riccati,
R A Ricci,
M Richter,
P Riedler,
W Riegler,
F Riggi,
A Rivetti,
M Rodríguez Cahuantzi,
D Rohr,
D Röhrich,
R Romita,
F Ronchetti,
P Rosinský,
P Rosnet,
S Rossegger,
A Rossi,
F Roukoutakis,
S Rousseau,
C Roy,
P Roy,
A J Rubio Montero,
R Rui,
I Rusanov,
E Ryabinkin,
A Rybicki,
S Sadovsky,
K Safařík,
R Sahoo,
P K Sahu,
P Saiz,
S Sakai,
D Sakata,
C A Salgado,
T Samanta,
S Sambyal,
V Samsonov,
L Sándor,
A Sandoval,
M Sano,
S Sano,
R Santo,
R Santoro,
J Sarkamo,
P Saturnini,
E Scapparone,
F Scarlassara,
R P Scharenberg,
C Schiaua,
R Schicker,
C Schmidt,
H R Schmidt,
S Schreiner,
S Schuchmann,
J Schukraft,
Y Schutz,
K Schwarz,
K Schweda,
G Scioli,
E Scomparin,
P A Scott,
R Scott,
G Segato,
S Senyukov,
J Seo,
S Serci,
E Serradilla,
A Sevcenco,
G Shabratova,
R Shahoyan,
N Sharma,
S Sharma,
K Shigaki,
M Shimomura,
K Shtejer,
Y Sibiriak,
M Siciliano,
E Sicking,
T Siemiarczuk,
A Silenzi,
D Silvermyr,
G Simonetti,
R Singaraju,
R Singh,
B C Sinha,
T Sinha,
B Sitar,
M Sitta,
T B Skaali,
K Skjerdal,
R Smakal,
N Smirnov,
R Snellings,
C Søgaard,
A Soloviev,
R Soltz,
H Son,
M Song,
C Soos,
F Soramel,
M Spyropoulou-Stassinaki,
B K Srivastava,
J Stachel,
I Stan,
G Stefanek,
G Stefanini,
T Steinbeck,
E Stenlund,
G Steyn,
D Stocco,
R Stock,
M Stolpovskiy,
P Strmen,
A A P Suaide,
M A Subieta Vásquez,
T Sugitate,
C Suire,
M Sumbera,
T Susa,
D Swoboda,
T J M Symons,
A Szanto de Toledo,
I Szarka,
A Szostak,
C Tagridis,
J Takahashi,
J D Tapia Takaki,
A Tauro,
M Tavlet,
G Tejeda Muñoz,
A Telesca,
C Terrevoli,
J Thäder,
D Thomas,
J H Thomas,
R Tieulent,
A R Timmins,
D Tlusty,
A Toia,
H Torii,
L Toscano,
F Tosello,
T Traczyk,
D Truesdale,
W H Trzaska,
A Tumkin,
R Turrisi,
A J Turvey,
T S Tveter,
J Ulery,
K Ullaland,
A Uras,
J Urbán,
G M Urciuoli,
G L Usai,
A Vacchi,
M Vala,
L Valencia Palomo,
S Vallero,
N van der Kolk,
M van Leeuwen,
P Vande Vyvre,
L Vannucci,
A Vargas,
R Varma,
M Vasileiou,
A Vasiliev,
V Vechernin,
M Venaruzzo,
E Vercellin,
S Vergara,
R Vernet,
M Verweij,
L Vickovic,
G Viesti,
O Vikhlyantsev,
Z Vilakazi,
O Villalobos Baillie,
A Vinogradov,
L Vinogradov,
Y Vinogradov,
T Virgili,
Y P Viyogi,
A Vodopyanov,
K Voloshin,
S Voloshin,
G Volpe,
B von Haller,
D Vranic,
J Vrláková,
B Vulpescu,
B Wagner,
V Wagner,
R Wan,
D Wang,
Y Wang,
K Watanabe,
J P Wessels,
U Westerhoff,
J Wiechula,
J Wikne,
M Wilde,
A Wilk,
G Wilk,
M C S Williams,
B Windelband,
H Yang,
S Yasnopolskiy,
J Yi,
Z Yin,
H Yokoyama,
I-K Yoo,
X Yuan,
I Yushmanov,
E Zabrodin,
C Zampolli,
S Zaporozhets,
A Zarochentsev,
P Závada,
H Zbroszczyk,
P Zelnicek,
A Zenin,
I Zgura,
M Zhalov,
X Zhang,
D Zhou,
X Zhu,
A Zichichi,
G Zinovjev,
Y Zoccarato,
M Zynovyev
Department of Physics and Technology, University of Bergen, Bergen, Norway.
The centrality dependence of the charged-particle multiplicity density at midrapidity in Pb-Pb collisions at sqrt[s_{NN}]=2.76 TeV is presented. The charged-particle density normalized per participating nucleon pair increases by about a factor of 2 from peripheral (70%-80%) to central (0%-5%) collisions. The centrality dependence is found to be similar to that observed at lower collision energies. The data are compared with models based on different mechanisms for particle production in nuclear collisions.
A Adare,
S Afanasiev,
C Aidala,
N N Ajitanand,
Y Akiba,
H Al-Bataineh,
J Alexander,
A Al-Jamel,
K Aoki,
L Aphecetche,
R Armendariz,
S H Aronson,
J Asai,
E T Atomssa,
R Averbeck,
T C Awes,
B Azmoun,
V Babintsev,
G Baksay,
L Baksay,
A Baldisseri,
K N Barish,
P D Barnes,
B Bassalleck,
S Bathe,
S Batsouli,
V Baublis,
F Bauer,
A Bazilevsky,
S Belikov,
R Bennett,
Y Berdnikov,
A A Bickley,
M T Bjorndal,
J G Boissevain,
H Borel,
K Boyle,
M L Brooks,
D S Brown,
D Bucher,
H Buesching,
V Bumazhnov,
G Bunce,
J M Burward-Hoy,
S Butsyk,
S Campbell,
J-S Chai,
B S Chang,
J-L Charvet,
S Chernichenko,
J Chiba,
C Y Chi,
M Chiu,
I J Choi,
T Chujo,
P Chung,
A Churyn,
V Cianciolo,
C R Cleven,
Y Cobigo,
B A Cole,
M P Comets,
P Constantin,
M Csanád,
T Csörgo,
T Dahms,
K Das,
G David,
M B Deaton,
K Dehmelt,
H Delagrange,
A Denisov,
D d'Enterria,
A Deshpande,
E J Desmond,
O Dietzsch,
A Dion,
M Donadelli,
J L Drachenberg,
O Drapier,
A Drees,
A K Dubey,
A Durum,
V Dzhordzhadze,
Y V Efremenko,
J Egdemir,
F Ellinghaus,
W S Emam,
A Enokizono,
H En'yo,
B Espagnon,
S Esumi,
K O Eyser,
D E Fields,
M Finger,
M Finger Jr,
F Fleuret,
S L Fokin,
B Forestier,
Z Fraenkel,
J E Frantz,
A Franz,
A D Frawley,
K Fujiwara,
Y Fukao,
S-Y Fung,
T Fusayasu,
S Gadrat,
I Garishvili,
F Gastineau,
M Germain,
A Glenn,
H Gong,
M Gonin,
J Gosset,
Y Goto,
R Granier de Cassagnac,
N Grau,
S V Greene,
M Grosse Perdekamp,
T Gunji,
H-A Gustafsson,
T Hachiya,
A Hadj Henni,
C Haegemann,
J S Haggerty,
M N Hagiwara,
H Hamagaki,
R Han,
H Harada,
E P Hartouni,
K Haruna,
M Harvey,
E Haslum,
K Hasuko,
R Hayano,
M Heffner,
T K Hemmick,
T Hester,
J M Heuser,
X He,
H Hiejima,
J C Hill,
R Hobbs,
M Hohlmann,
M Holmes,
W Holzmann,
K Homma,
B Hong,
T Horaguchi,
D Hornback,
M G Hur,
T Ichihara,
K Imai,
M Inaba,
Y Inoue,
D Isenhower,
L Isenhower,
M Ishihara,
T Isobe,
M Issah,
A Isupov,
B V Jacak,
J Jia,
J Jin,
O Jinnouchi,
B M Johnson,
K S Joo,
D Jouan,
F Kajihara,
S Kametani,
N Kamihara,
J Kamin,
M Kaneta,
J H Kang,
H Kanou,
T Kawagishi,
D Kawall,
A V Kazantsev,
S Kelly,
A Khanzadeev,
J Kikuchi,
D H Kim,
D J Kim,
E Kim,
Y-S Kim,
E Kinney,
A Kiss,
E Kistenev,
A Kiyomichi,
J Klay,
C Klein-Boesing,
L Kochenda,
V Kochetkov,
B Komkov,
M Konno,
D Kotchetkov,
A Kozlov,
A Král,
A Kravitz,
P J Kroon,
J Kubart,
G J Kunde,
N Kurihara,
K Kurita,
M J Kweon,
Y Kwon,
G S Kyle,
R Lacey,
Y-S Lai,
J G Lajoie,
A Lebedev,
Y Le Bornec,
S Leckey,
D M Lee,
M K Lee,
T Lee,
M J Leitch,
M A L Leite,
B Lenzi,
H Lim,
T Liska,
A Litvinenko,
M X Liu,
X Li,
X H Li,
B Love,
D Lynch,
C F Maguire,
Y I Makdisi,
A Malakhov,
M D Malik,
V I Manko,
Y Mao,
L Masek,
H Masui,
F Matathias,
M C McCain,
M McCumber,
P L McGaughey,
Y Miake,
P Mikes,
K Miki,
T E Miller,
A Milov,
S Mioduszewski,
G C Mishra,
M Mishra,
J T Mitchell,
M Mitrovski,
A Morreale,
D P Morrison,
J M Moss,
T V Moukhanova,
D Mukhopadhyay,
J Murata,
S Nagamiya,
Y Nagata,
J L Nagle,
M Naglis,
I Nakagawa,
Y Nakamiya,
T Nakamura,
K Nakano,
J Newby,
M Nguyen,
B E Norman,
A S Nyanin,
J Nystrand,
E O'Brien,
S X Oda,
C A Ogilvie,
H Ohnishi,
I D Ojha,
H Okada,
K Okada,
M Oka,
O O Omiwade,
A Oskarsson,
I Otterlund,
M Ouchida,
K Ozawa,
R Pak,
D Pal,
A P T Palounek,
V Pantuev,
V Papavassiliou,
J Park,
W J Park,
S F Pate,
H Pei,
J-C Peng,
H Pereira,
V Peresedov,
D Yu Peressounko,
C Pinkenburg,
R P Pisani,
M L Purschke,
A K Purwar,
H Qu,
J Rak,
A Rakotozafindrabe,
I Ravinovich,
K F Read,
S Rembeczki,
M Reuter,
K Reygers,
V Riabov,
Y Riabov,
G Roche,
A Romana,
M Rosati,
S S E Rosendahl,
P Rosnet,
P Rukoyatkin,
V L Rykov,
S S Ryu,
B Sahlmueller,
N Saito,
T Sakaguchi,
S Sakai,
H Sakata,
V Samsonov,
H D Sato,
S Sato,
S Sawada,
J Seele,
R Seidl,
V Semenov,
R Seto,
D Sharma,
T K Shea,
I Shein,
A Shevel,
T-A Shibata,
K Shigaki,
M Shimomura,
T Shohjoh,
K Shoji,
A Sickles,
C L Silva,
D Silvermyr,
C Silvestre,
K S Sim,
C P Singh,
V Singh,
S Skutnik,
M Slunecka,
W C Smith,
A Soldatov,
R A Soltz,
W E Sondheim,
S P Sorensen,
I V Sourikova,
F Staley,
P W Stankus,
E Stenlund,
M Stepanov,
A Ster,
S P Stoll,
T Sugitate,
C Suire,
J P Sullivan,
J Sziklai,
T Tabaru,
S Takagi,
E M Takagui,
A Taketani,
K H Tanaka,
Y Tanaka,
K Tanida,
M J Tannenbaum,
A Taranenko,
P Tarján,
T L Thomas,
M Togawa,
A Toia,
J Tojo,
L Tomásek,
H Torii,
R S Towell,
V-N Tram,
I Tserruya,
Y Tsuchimoto,
S K Tuli,
H Tydesjö,
N Tyurin,
C Vale,
H Valle,
H W van Hecke,
J Velkovska,
R Vertesi,
A A Vinogradov,
M Virius,
V Vrba,
E Vznuzdaev,
M Wagner,
D Walker,
X R Wang,
Y Watanabe,
J Wessels,
S N White,
N Willis,
D Winter,
C L Woody,
M Wysocki,
W Xie,
Y L Yamaguchi,
A Yanovich,
Z Yasin,
J Ying,
S Yokkaichi,
G R Young,
I Younus,
I E Yushmanov,
W A Zajc,
O Zaudtke,
C Zhang,
S Zhou,
J Zimányi,
L Zolin
University of Colorado, Boulder, Colorado 80309, USA.
The production of e;{+}e;{-} pairs for m_{e;{+}e;{-}}<0.3 GeV/c;{2} and 1<p_{T}<5 GeV/c is measured in p+p and Au+Au collisions at sqrt[s_{NN}]=200 GeV. An enhanced yield above hadronic sources is observed. Treating the excess as photon internal conversions, the invariant yield of direct photons is deduced. In central Au+Au collisions, the excess of the direct photon yield over p+p is exponential in transverse momentum, with an inverse slope T=221+/-19;{stat}+/-19;{syst} MeV. Hydrodynamical models with initial temperatures ranging from T_{init} approximately 300-600 MeV at times of approximately 0.6-0.15 fm/c after the collision are in qualitative agreement with the data. Lattice QCD predicts a phase transition to quark gluon plasma at approximately 170 MeV.
S Afanasiev,
C Aidala,
N N Ajitanand,
Y Akiba,
J Alexander,
A Al-Jamel,
K Aoki,
L Aphecetche,
R Armendariz,
S H Aronson,
R Averbeck,
T C Awes,
B Azmoun,
V Babintsev,
A Baldisseri,
K N Barish,
P D Barnes,
B Bassalleck,
S Bathe,
S Batsouli,
V Baublis,
F Bauer,
A Bazilevsky,
S Belikov,
R Bennett,
Y Berdnikov,
M T Bjorndal,
J G Boissevain,
H Borel,
K Boyle,
M L Brooks,
D S Brown,
D Bucher,
H Buesching,
V Bumazhnov,
G Bunce,
J M Burward-Hoy,
S Butsyk,
S Campbell,
J-S Chai,
S Chernichenko,
J Chiba,
C Y Chi,
M Chiu,
I J Choi,
T Chujo,
V Cianciolo,
C R Cleven,
Y Cobigo,
B A Cole,
M P Comets,
P Constantin,
M Csanád,
T Csörgo,
T Dahms,
K Das,
G David,
H Delagrange,
A Denisov,
D d'Enterria,
A Deshpande,
E J Desmond,
O Dietzsch,
A Dion,
J L Drachenberg,
O Drapier,
A Drees,
A K Dubey,
A Durum,
V Dzhordzhadze,
Y V Efremenko,
J Egdemir,
A Enokizono,
H En'yo,
B Espagnon,
S Esumi,
D E Fields,
F Fleuret,
S L Fokin,
B Forestier,
Z Fraenkel,
J E Frantz,
A Franz,
A D Frawley,
Y Fukao,
S-Y Fung,
S Gadrat,
F Gastineau,
M Germain,
A Glenn,
M Gonin,
J Gosset,
Y Goto,
R Granier de Cassagnac,
N Grau,
S V Greene,
M Grosse Perdekamp,
T Gunji,
H-A Gustafsson,
T Hachiya,
A Hadj Henni,
J S Haggerty,
M N Hagiwara,
H Hamagaki,
H Harada,
E P Hartouni,
K Haruna,
M Harvey,
E Haslum,
K Hasuko,
R Hayano,
M Heffner,
T K Hemmick,
J M Heuser,
X He,
H Hiejima,
J C Hill,
R Hobbs,
M Holmes,
W Holzmann,
K Homma,
B Hong,
T Horaguchi,
M G Hur,
T Ichihara,
K Imai,
M Inaba,
D Isenhower,
L Isenhower,
M Ishihara,
T Isobe,
M Issah,
A Isupov,
B V Jacak,
J Jia,
J Jin,
O Jinnouchi,
B M Johnson,
K S Joo,
D Jouan,
F Kajihara,
S Kametani,
N Kamihara,
M Kaneta,
J H Kang,
T Kawagishi,
A V Kazantsev,
S Kelly,
A Khanzadeev,
D J Kim,
E Kim,
Y-S Kim,
E Kinney,
A Kiss,
E Kistenev,
A Kiyomichi,
C Klein-Boesing,
L Kochenda,
V Kochetkov,
B Komkov,
M Konno,
D Kotchetkov,
A Kozlov,
P J Kroon,
G J Kunde,
N Kurihara,
K Kurita,
M J Kweon,
Y Kwon,
G S Kyle,
R Lacey,
J G Lajoie,
A Lebedev,
Y Le Bornec,
S Leckey,
D M Lee,
M K Lee,
M J Leitch,
M A L Leite,
H Lim,
A Litvinenko,
M X Liu,
X H Li,
C F Maguire,
Y I Makdisi,
A Malakhov,
M D Malik,
V I Manko,
H Masui,
F Matathias,
M C McCain,
P L McGaughey,
Y Miake,
T E Miller,
A Milov,
S Mioduszewski,
G C Mishra,
J T Mitchell,
D P Morrison,
J M Moss,
T V Moukhanova,
D Mukhopadhyay,
J Murata,
S Nagamiya,
Y Nagata,
J L Nagle,
M Naglis,
T Nakamura,
J Newby,
M Nguyen,
B E Norman,
R Nouicer,
A S Nyanin,
J Nystrand,
E O'Brien,
C A Ogilvie,
H Ohnishi,
I D Ojha,
H Okada,
K Okada,
O O Omiwade,
A Oskarsson,
I Otterlund,
K Ozawa,
D Pal,
A P T Palounek,
V Pantuev,
V Papavassiliou,
J Park,
W J Park,
S F Pate,
H Pei,
J-C Peng,
H Pereira,
V Peresedov,
D Yu Peressounko,
C Pinkenburg,
R P Pisani,
M L Purschke,
A K Purwar,
H Qu,
J Rak,
I Ravinovich,
K F Read,
M Reuter,
K Reygers,
V Riabov,
Y Riabov,
G Roche,
A Romana,
M Rosati,
S S E Rosendahl,
P Rosnet,
P Rukoyatkin,
V L Rykov,
S S Ryu,
B Sahlmueller,
N Saito,
T Sakaguchi,
S Sakai,
V Samsonov,
H D Sato,
S Sato,
S Sawada,
V Semenov,
R Seto,
D Sharma,
T K Shea,
I Shein,
T-A Shibata,
K Shigaki,
M Shimomura,
T Shohjoh,
K Shoji,
A Sickles,
C L Silva,
D Silvermyr,
K S Sim,
C P Singh,
V Singh,
S Skutnik,
W C Smith,
A Soldatov,
R A Soltz,
W E Sondheim,
S P Sorensen,
I V Sourikova,
F Staley,
P W Stankus,
E Stenlund,
M Stepanov,
A Ster,
S P Stoll,
T Sugitate,
C Suire,
J P Sullivan,
J Sziklai,
T Tabaru,
S Takagi,
E M Takagui,
A Taketani,
K H Tanaka,
Y Tanaka,
K Tanida,
M J Tannenbaum,
A Taranenko,
P Tarján,
T L Thomas,
M Togawa,
J Tojo,
H Torii,
R S Towell,
V-N Tram,
I Tserruya,
Y Tsuchimoto,
S K Tuli,
H Tydesjö,
N Tyurin,
C Vale,
H Valle,
H W van Hecke,
J Velkovska,
R Vértesi,
A A Vinogradov,
E Vznuzdaev,
M Wagner,
X R Wang,
Y Watanabe,
J Wessels,
S N White,
N Willis,
D Winter,
C L Woody,
M Wysocki,
W Xie,
A Yanovich,
S Yokkaichi,
G R Young,
I Younus,
I E Yushmanov,
W A Zajc,
O Zaudtke,
C Zhang,
J Zimányi,
L Zolin
Joint Institute for Nuclear Research, 141980 Dubna, Moscow Region, Russia.
Bose-Einstein correlations of charged kaons are used to probe Au+Au collisions at sqrt[s_{NN}]=200 GeV and are compared to charged pion probes, which have a larger hadronic scattering cross section. Three-dimensional Gaussian source radii are extracted, along with a one-dimensional kaon emission source function. The centrality dependences of the three Gaussian radii are well described by a single linear function of N_{part};{1/3} with a zero intercept. Imaging analysis shows a deviation from a Gaussian tail at r greater, similar10 fm, although the bulk emission at lower radius is well described by a Gaussian. The presence of a non-Gaussian tail in the kaon source reaffirms that the particle emission region in a heavy-ion collision is extended, and that similar measurements with pions are not solely due to the decay of long-lived resonances.
A Adare,
S Afanasiev,
C Aidala,
N N Ajitanand,
Y Akiba,
H Al-Bataineh,
J Alexander,
A Al-Jamel,
K Aoki,
L Aphecetche,
R Armendariz,
S H Aronson,
J Asai,
E T Atomssa,
R Averbeck,
T C Awes,
B Azmoun,
V Babintsev,
G Baksay,
L Baksay,
A Baldisseri,
K N Barish,
P D Barnes,
B Bassalleck,
S Bathe,
S Batsouli,
V Baublis,
F Bauer,
A Bazilevsky,
S Belikov,
R Bennett,
Y Berdnikov,
A A Bickley,
M T Bjorndal,
J G Boissevain,
H Borel,
K Boyle,
M L Brooks,
D S Brown,
D Bucher,
H Buesching,
V Bumazhnov,
G Bunce,
J M Burward-Hoy,
S Butsyk,
S Campbell,
J-S Chai,
B S Chang,
J-L Charvet,
S Chernichenko,
J Chiba,
C Y Chi,
M Chiu,
I J Choi,
T Chujo,
P Chung,
A Churyn,
V Cianciolo,
C R Cleven,
Y Cobigo,
B A Cole,
M P Comets,
P Constantin,
M Csanád,
T Csörgo,
T Dahms,
K Das,
G David,
M B Deaton,
K Dehmelt,
H Delagrange,
A Denisov,
D d'Enterria,
A Deshpande,
E J Desmond,
O Dietzsch,
A Dion,
M Donadelli,
J L Drachenberg,
O Drapier,
A Drees,
A K Dubey,
A Durum,
V Dzhordzhadze,
Y V Efremenko,
J Egdemir,
F Ellinghaus,
W S Emam,
A Enokizono,
H En'yo,
B Espagnon,
S Esumi,
K O Eyser,
D E Fields,
M Finger,
M Finger Jr,
F Fleuret,
S L Fokin,
B Forestier,
Z Fraenkel,
J E Frantz,
A Franz,
A D Frawley,
K Fujiwara,
Y Fukao,
S-Y Fung,
T Fusayasu,
S Gadrat,
I Garishvili,
F Gastineau,
M Germain,
A Glenn,
H Gong,
M Gonin,
J Gosset,
Y Goto,
R Granier de Cassagnac,
N Grau,
S V Greene,
M Grosse Perdekamp,
T Gunji,
H-A Gustafsson,
T Hachiya,
A Hadj Henni,
C Haegemann,
J S Haggerty,
M N Hagiwara,
H Hamagaki,
R Han,
H Harada,
E P Hartouni,
K Haruna,
M Harvey,
E Haslum,
K Hasuko,
R Hayano,
M Heffner,
T K Hemmick,
T Hester,
J M Heuser,
X He,
H Hiejima,
J C Hill,
R Hobbs,
M Hohlmann,
M Holmes,
W Holzmann,
K Homma,
B Hong,
T Horaguchi,
D Hornback,
M G Hur,
T Ichihara,
K Imai,
J Imrek,
M Inaba,
Y Inoue,
D Isenhower,
L Isenhower,
M Ishihara,
T Isobe,
M Issah,
A Isupov,
B V Jacak,
J Jia,
J Jin,
O Jinnouchi,
B M Johnson,
K S Joo,
D Jouan,
F Kajihara,
S Kametani,
N Kamihara,
J Kamin,
M Kaneta,
J H Kang,
H Kanou,
T Kawagishi,
D Kawall,
A V Kazantsev,
S Kelly,
A Khanzadeev,
J Kikuchi,
D H Kim,
D J Kim,
E Kim,
Y-S Kim,
E Kinney,
A Kiss,
E Kistenev,
A Kiyomichi,
J Klay,
C Klein-Boesing,
L Kochenda,
V Kochetkov,
B Komkov,
M Konno,
D Kotchetkov,
A Kozlov,
A Král,
A Kravitz,
P J Kroon,
J Kubart,
G J Kunde,
N Kurihara,
K Kurita,
M J Kweon,
Y Kwon,
G S Kyle,
R Lacey,
Y-S Lai,
J G Lajoie,
A Lebedev,
Y Le Bornec,
S Leckey,
D M Lee,
M K Lee,
T Lee,
M J Leitch,
M A L Leite,
B Lenzi,
H Lim,
T Liska,
A Litvinenko,
M X Liu,
X Li,
X H Li,
B Love,
D Lynch,
C F Maguire,
Y I Makdisi,
A Malakhov,
M D Malik,
V I Manko,
Y Mao,
L Masek,
H Masui,
F Matathias,
M C McCain,
M McCumber,
P L McGaughey,
Y Miake,
P Mikes,
K Miki,
T E Miller,
A Milov,
S Mioduszewski,
G C Mishra,
M Mishra,
J T Mitchell,
M Mitrovski,
A Morreale,
D P Morrison,
J M Moss,
T V Moukhanova,
D Mukhopadhyay,
J Murata,
S Nagamiya,
Y Nagata,
J L Nagle,
M Naglis,
I Nakagawa,
Y Nakamiya,
T Nakamura,
K Nakano,
J Newby,
M Nguyen,
B E Norman,
A S Nyanin,
J Nystrand,
E O'Brien,
S X Oda,
C A Ogilvie,
H Ohnishi,
I D Ojha,
H Okada,
K Okada,
M Oka,
O O Omiwade,
A Oskarsson,
I Otterlund,
M Ouchida,
K Ozawa,
R Pak,
D Pal,
A P T Palounek,
V Pantuev,
V Papavassiliou,
J Park,
W J Park,
S F Pate,
H Pei,
J-C Peng,
H Pereira,
V Peresedov,
D Yu Peressounko,
C Pinkenburg,
R P Pisani,
M L Purschke,
A K Purwar,
H Qu,
J Rak,
A Rakotozafindrabe,
I Ravinovich,
K F Read,
S Rembeczki,
M Reuter,
K Reygers,
V Riabov,
Y Riabov,
G Roche,
A Romana,
M Rosati,
S S E Rosendahl,
P Rosnet,
P Rukoyatkin,
V L Rykov,
S S Ryu,
B Sahlmueller,
N Saito,
T Sakaguchi,
S Sakai,
H Sakata,
V Samsonov,
H D Sato,
S Sato,
S Sawada,
J Seele,
R Seidl,
V Semenov,
R Seto,
D Sharma,
T K Shea,
I Shein,
A Shevel,
T-A Shibata,
K Shigaki,
M Shimomura,
T Shohjoh,
K Shoji,
A Sickles,
C L Silva,
D Silvermyr,
C Silvestre,
K S Sim,
C P Singh,
V Singh,
S Skutnik,
M Slunecka,
W C Smith,
A Soldatov,
R A Soltz,
W E Sondheim,
S P Sorensen,
I V Sourikova,
F Staley,
P W Stankus,
E Stenlund,
M Stepanov,
A Ster,
S P Stoll,
T Sugitate,
C Suire,
J P Sullivan,
J Sziklai,
T Tabaru,
S Takagi,
E M Takagui,
A Taketani,
K H Tanaka,
Y Tanaka,
K Tanida,
M J Tannenbaum,
A Taranenko,
P Tarján,
T L Thomas,
M Togawa,
A Toia,
J Tojo,
L Tomásek,
H Torii,
R S Towell,
V-N Tram,
I Tserruya,
Y Tsuchimoto,
S K Tuli,
H Tydesjö,
N Tyurin,
C Vale,
H Valle,
H W van Hecke,
J Velkovska,
R Vertesi,
A A Vinogradov,
M Virius,
V Vrba,
E Vznuzdaev,
M Wagner,
D Walker,
X R Wang,
Y Watanabe,
J Wessels,
S N White,
N Willis,
D Winter,
C L Woody,
M Wysocki,
W Xie,
Y L Yamaguchi,
A Yanovich,
Z Yasin,
J Ying,
S Yokkaichi,
G R Young,
I Younus,
I E Yushmanov,
W A Zajc,
O Zaudtke,
C Zhang,
S Zhou,
J Zimányi,
L Zolin
University of Colorado, Boulder, Colorado 80309, USA.
For Au+Au collisions at 200 GeV, we measure neutral pion production with good statistics for transverse momentum, p_{T}, up to 20 GeV/c. A fivefold suppression is found, which is essentially constant for 5<p_{T}<20 GeV/c. Experimental uncertainties are small enough to constrain any model-dependent parametrization for the transport coefficient of the medium, e.g., q[over ;] in the parton quenching model. The spectral shape is similar for all collision classes, and the suppression does not saturate in Au+Au collisions.
S Afanasiev,
C Aidala,
N N Ajitanand,
Y Akiba,
J Alexander,
A Al-Jamel,
K Aoki,
L Aphecetche,
R Armendariz,
S H Aronson,
R Averbeck,
T C Awes,
B Azmoun,
V Babintsev,
A Baldisseri,
K N Barish,
P D Barnes,
B Bassalleck,
S Bathe,
S Batsouli,
V Baublis,
F Bauer,
A Bazilevsky,
S Belikov,
R Bennett,
Y Berdnikov,
M T Bjorndal,
J G Boissevain,
H Borel,
K Boyle,
M L Brooks,
D S Brown,
D Bucher,
H Buesching,
V Bumazhnov,
G Bunce,
J M Burward-Hoy,
S Butsyk,
S Campbell,
J-S Chai,
S Chernichenko,
J Chiba,
C Y Chi,
M Chiu,
I J Choi,
T Chujo,
V Cianciolo,
C R Cleven,
Y Cobigo,
B A Cole,
M P Comets,
P Constantin,
M Csanád,
T Csörgo,
T Dahms,
K Das,
G David,
H Delagrange,
A Denisov,
D d'Enterria,
A Deshpande,
E J Desmond,
O Dietzsch,
A Dion,
J L Drachenberg,
O Drapier,
A Drees,
A K Dubey,
A Durum,
V Dzhordzhadze,
Y V Efremenko,
J Egdemir,
A Enokizono,
H En'yo,
B Espagnon,
S Esumi,
D E Fields,
F Fleuret,
S L Fokin,
B Forestier,
Z Fraenkel,
J E Frantz,
A Franz,
A D Frawley,
Y Fukao,
S-Y Fung,
S Gadrat,
F Gastineau,
M Germain,
A Glenn,
M Gonin,
J Gosset,
Y Goto,
R Granier de Cassagnac,
N Grau,
S V Greene,
M Grosse Perdekamp,
T Gunji,
H-A Gustafsson,
T Hachiya,
A Hadj Henni,
J S Haggerty,
M N Hagiwara,
H Hamagaki,
H Harada,
E P Hartouni,
K Haruna,
M Harvey,
E Haslum,
K Hasuko,
R Hayano,
M Heffner,
T K Hemmick,
J M Heuser,
X He,
H Hiejima,
J C Hill,
R Hobbs,
M Holmes,
W Holzmann,
K Homma,
B Hong,
T Horaguchi,
M G Hur,
T Ichihara,
K Imai,
M Inaba,
D Isenhower,
L Isenhower,
M Ishihara,
T Isobe,
M Issah,
A Isupov,
B V Jacak,
J Jia,
J Jin,
O Jinnouchi,
B M Johnson,
K S Joo,
D Jouan,
F Kajihara,
S Kametani,
N Kamihara,
M Kaneta,
J H Kang,
T Kawagishi,
A V Kazantsev,
S Kelly,
A Khanzadeev,
D J Kim,
E Kim,
Y-S Kim,
E Kinney,
A Kiss,
E Kistenev,
A Kiyomichi,
C Klein-Boesing,
L Kochenda,
V Kochetkov,
B Komkov,
M Konno,
D Kotchetkov,
A Kozlov,
P J Kroon,
G J Kunde,
N Kurihara,
K Kurita,
M J Kweon,
Y Kwon,
G S Kyle,
R Lacey,
J G Lajoie,
A Lebedev,
Y Le Bornec,
S Leckey,
D M Lee,
M K Lee,
M J Leitch,
M A L Leite,
H Lim,
A Litvinenko,
M X Liu,
X H Li,
C F Maguire,
Y I Makdisi,
A Malakhov,
M D Malik,
V I Manko,
H Masui,
F Matathias,
M C McCain,
P L McGaughey,
Y Miake,
T E Miller,
A Milov,
S Mioduszewski,
G C Mishra,
J T Mitchell,
D P Morrison,
J M Moss,
T V Moukhanova,
D Mukhopadhyay,
J Murata,
S Nagamiya,
Y Nagata,
J L Nagle,
M Naglis,
T Nakamura,
J Newby,
M Nguyen,
B E Norman,
A S Nyanin,
J Nystrand,
E O'Brien,
C A Ogilvie,
H Ohnishi,
I D Ojha,
H Okada,
K Okada,
O O Omiwade,
A Oskarsson,
I Otterlund,
K Ozawa,
D Pal,
A P T Palounek,
V Pantuev,
V Papavassiliou,
J Park,
W J Park,
S F Pate,
H Pei,
J-C Peng,
H Pereira,
V Peresedov,
D Yu Peressounko,
C Pinkenburg,
R P Pisani,
M L Purschke,
A K Purwar,
H Qu,
J Rak,
I Ravinovich,
K F Read,
M Reuter,
K Reygers,
V Riabov,
Y Riabov,
G Roche,
A Romana,
M Rosati,
S S E Rosendahl,
P Rosnet,
P Rukoyatkin,
V L Rykov,
S S Ryu,
B Sahlmueller,
N Saito,
T Sakaguchi,
S Sakai,
V Samsonov,
H D Sato,
S Sato,
S Sawada,
V Semenov,
R Seto,
D Sharma,
T K Shea,
I Shein,
T-A Shibata,
K Shigaki,
M Shimomura,
T Shohjoh,
K Shoji,
A Sickles,
C L Silva,
D Silvermyr,
K S Sim,
C P Singh,
V Singh,
S Skutnik,
W C Smith,
A Soldatov,
R A Soltz,
W E Sondheim,
S P Sorensen,
I V Sourikova,
F Staley,
P W Stankus,
E Stenlund,
M Stepanov,
A Ster,
S P Stoll,
T Sugitate,
C Suire,
J P Sullivan,
J Sziklai,
T Tabaru,
S Takagi,
E M Takagui,
A Taketani,
K H Tanaka,
Y Tanaka,
K Tanida,
M J Tannenbaum,
A Taranenko,
P Tarján,
T L Thomas,
M Togawa,
J Tojo,
H Torii,
R S Towell,
V-N Tram,
I Tserruya,
Y Tsuchimoto,
S K Tuli,
H Tydesjö,
N Tyurin,
C Vale,
H Valle,
H W van Hecke,
J Velkovska,
R Vertesi,
A A Vinogradov,
E Vznuzdaev,
M Wagner,
X R Wang,
Y Watanabe,
J Wessels,
S N White,
N Willis,
D Winter,
C L Woody,
M Wysocki,
W Xie,
A Yanovich,
S Yokkaichi,
G R Young,
I Younus,
I E Yushmanov,
W A Zajc,
O Zaudtke,
C Zhang,
J Zimányi,
L Zolin
Joint Institute for Nuclear Research, 141980 Dubna, Moscow Region, Russia.
Measurements in Au+Au collisions at sqrt[s_{NN}]=200 GeV of jet correlations for a trigger hadron at intermediate transverse momentum (p_{T,trig}) with associated mesons or baryons at lower p_{T,assoc} indicate strong modification of the away-side jet. The ratio of jet-associated baryons to mesons increases with centrality and p_{T,assoc}. For the most central collisions, the ratio is similar to that for inclusive measurements. This trend is incompatible with in-vacuum fragmentation but could be due to jetlike contributions from correlated soft partons, which recombine upon hadronization.
M M Aggarwal,
Z Ahammed,
A L S Angelis,
V Antonenko,
V Arefiev,
V Astakhov,
V Avdeitchikov,
T C Awes,
P V K S Baba,
S K Badyal,
S Bathe,
B Batiounia,
C Baumann,
T Bernier,
K B Bhalla,
V S Bhatia,
C Blume,
D Bucher,
H Büsching,
L Carlén,
S Chattopadhyay,
M P Decowski,
H Delagrange,
P Donni,
M R Dutta Majumdar,
K El Chenawi,
A K Dubey,
K Enosawa,
S Fokin,
V Frolov,
M S Ganti,
S Garpman,
O Gavrishchuk,
F J M Geurts,
T K Ghosh,
R Glasow,
B Guskov,
H A Gustafsson,
H H Gutbrod,
I Hrivnacova,
M Ippolitov,
H Kalechofsky,
R Kamermans,
K Karadjev,
K Karpio,
B W Kolb,
I Kosarev,
I Koutcheryaev,
A Kugler,
P Kulinich,
M Kurata,
A Lebedev,
H Löhner,
L Luquin,
D P Mahapatra,
V Manko,
M Martin,
G Martínez,
A Maximov,
Y Miake,
G C Mishra,
B Mohanty,
M-J Mora,
D Morrison,
T Mukhanova,
D S Mukhopadhyay,
H Naef,
B K Nandi,
S K Nayak,
T K Nayak,
A Nianine,
V Nikitine,
S Nikolaev,
P Nilsson,
S Nishimura,
P Nomokonov,
J Nystrand,
A Oskarsson,
I Otterlund,
S Pavliouk,
T Peitzmann,
D Peressounko,
V Petracek,
S C Phatak,
W Pinganaud,
F Plasil,
M L Purschke,
J Rak,
M Rammler,
R Raniwala,
S Raniwala,
N K Rao,
F Retiere,
K Reygers,
G Roland,
L Rosselet,
I Roufanov,
C Roy,
J M Rubio,
S S Sambyal,
R Santo,
S Sato,
H Schlagheck,
H-R Schmidt,
Y Schutz,
G Shabratova,
T H Shah,
I Sibiriak,
T Siemiarczuk,
D Silvermyr,
B C Sinha,
N Slavine,
K Söderström,
G Sood,
S P Sørensen,
P Stankus,
G Stefanek,
P Steinberg,
E Stenlund,
M Sumbera,
T Svensson,
A Tsvetkov,
L Tykarski,
E C V D Pijll,
N V Eijndhoven,
G J V Nieuwenhuizen,
A Vinogradov,
Y P Viyogi,
A Vodopianov,
S Vörös,
B Wysłouch,
G R Young
University of Panjab, Chandigarh 160014, India.
Neutral pion transverse momentum spectra were measured in p+C and p+Pb collisions at sqrt[s_{NN}]=17.4 GeV at midrapidity (2.3 less, similareta_{lab} less, similar3.0) over the range 0.7 less, similarp_{T} less, similar3.5 GeV/c. The spectra are compared to pi;{0} spectra measured in Pb+Pb collisions at sqrt[s_{NN}]=17.3 GeV in the same experiment. For a wide range of Pb+Pb centralities (N_{part} less, similar300), the yield of pi;{0}'s with p_{T} greater, similar2 GeV/c is larger than or consistent with the p+C or p+Pb yields scaled with the number of nucleon-nucleon collisions (N_{coll}), while for central Pb+Pb collisions with N_{part} greater, similar350, the pi;{0} yield is suppressed.
S Afanasiev,
C Aidala,
N N Ajitanand,
Y Akiba,
J Alexander,
A Al-Jamel,
K Aoki,
L Aphecetche,
R Armendariz,
S H Aronson,
R Averbeck,
T C Awes,
B Azmoun,
V Babintsev,
A Baldisseri,
K N Barish,
P D Barnes,
B Bassalleck,
S Bathe,
S Batsouli,
V Baublis,
F Bauer,
A Bazilevsky,
S Belikov,
R Bennett,
Y Berdnikov,
M T Bjorndal,
J G Boissevain,
H Borel,
K Boyle,
M L Brooks,
D S Brown,
D Bucher,
H Buesching,
V Bumazhnov,
G Bunce,
J M Burward-Hoy,
S Butsyk,
S Campbell,
J-S Chai,
S Chernichenko,
J Chiba,
C Y Chi,
M Chiu,
I J Choi,
T Chujo,
P Chung,
V Cianciolo,
C R Cleven,
Y Cobigo,
B A Cole,
M P Comets,
P Constantin,
M Csanád,
T Csörgo,
T Dahms,
K Das,
G David,
H Delagrange,
A Denisov,
D d'Enterria,
A Deshpande,
E J Desmond,
O Dietzsch,
A Dion,
J L Drachenberg,
O Drapier,
A Drees,
A K Dubey,
A Durum,
V Dzhordzhadze,
Y V Efremenko,
J Egdemir,
A Enokizono,
H En'yo,
B Espagnon,
S Esumi,
D E Fields,
F Fleuret,
S L Fokin,
B Forestier,
Z Fraenkel,
J E Frantz,
A Franz,
A D Frawley,
Y Fukao,
S-Y Fung,
S Gadrat,
F Gastineau,
M Germain,
A Glenn,
M Gonin,
J Gosset,
Y Goto,
R Granier de Cassagnac,
N Grau,
S V Greene,
M Grosse Perdekamp,
T Gunji,
H-A Gustafsson,
T Hachiya,
A Hadj Henni,
J S Haggerty,
M N Hagiwara,
H Hamagaki,
H Harada,
E P Hartouni,
K Haruna,
M Harvey,
E Haslum,
K Hasuko,
R Hayano,
M Heffner,
T K Hemmick,
J M Heuser,
X He,
H Hiejima,
J C Hill,
R Hobbs,
M Holmes,
W Holzmann,
K Homma,
B Hong,
T Horaguchi,
M G Hur,
T Ichihara,
K Imai,
M Inaba,
D Isenhower,
L Isenhower,
M Ishihara,
T Isobe,
M Issah,
A Isupov,
B V Jacak,
J Jia,
J Jin,
O Jinnouchi,
B M Johnson,
K S Joo,
D Jouan,
F Kajihara,
S Kametani,
N Kamihara,
M Kaneta,
J H Kang,
T Kawagishi,
A V Kazantsev,
S Kelly,
A Khanzadeev,
D J Kim,
E Kim,
Y-S Kim,
E Kinney,
A Kiss,
E Kistenev,
A Kiyomichi,
C Klein-Boesing,
L Kochenda,
V Kochetkov,
B Komkov,
M Konno,
D Kotchetkov,
A Kozlov,
P J Kroon,
G J Kunde,
N Kurihara,
K Kurita,
M J Kweon,
Y Kwon,
G S Kyle,
R Lacey,
J G Lajoie,
A Lebedev,
Y Le Bornec,
S Leckey,
D M Lee,
M K Lee,
M J Leitch,
M A L Leite,
H Lim,
A Litvinenko,
M X Liu,
X H Li,
C F Maguire,
Y I Makdisi,
A Malakhov,
M D Malik,
V I Manko,
H Masui,
F Matathias,
M C McCain,
P L McGaughey,
Y Miake,
T E Miller,
A Milov,
S Mioduszewski,
G C Mishra,
J T Mitchell,
D P Morrison,
J M Moss,
T V Moukhanova,
D Mukhopadhyay,
J Murata,
S Nagamiya,
Y Nagata,
J L Nagle,
M Naglis,
T Nakamura,
J Newby,
M Nguyen,
B E Norman,
A S Nyanin,
J Nystrand,
E O'Brien,
C A Ogilvie,
H Ohnishi,
I D Ojha,
H Okada,
K Okada,
O O Omiwade,
A Oskarsson,
I Otterlund,
K Ozawa,
D Pal,
A P T Palounek,
V Pantuev,
V Papavassiliou,
J Park,
W J Park,
S F Pate,
H Pei,
J-C Peng,
H Pereira,
V Peresedov,
D Yu Peressounko,
C Pinkenburg,
R P Pisani,
M L Purschke,
A K Purwar,
H Qu,
J Rak,
I Ravinovich,
K F Read,
M Reuter,
K Reygers,
V Riabov,
Y Riabov,
G Roche,
A Romana,
M Rosati,
S S E Rosendahl,
P Rosnet,
P Rukoyatkin,
V L Rykov,
S S Ryu,
B Sahlmueller,
N Saito,
T Sakaguchi,
S Sakai,
V Samsonov,
H D Sato,
S Sato,
S Sawada,
V Semenov,
R Seto,
D Sharma,
T K Shea,
I Shein,
T-A Shibata,
K Shigaki,
M Shimomura,
T Shohjoh,
K Shoji,
A Sickles,
C L Silva,
D Silvermyr,
K S Sim,
C P Singh,
V Singh,
S Skutnik,
W C Smith,
A Soldatov,
R A Soltz,
W E Sondheim,
S P Sorensen,
I V Sourikova,
F Staley,
P W Stankus,
E Stenlund,
M Stepanov,
A Ster,
S P Stoll,
T Sugitate,
C Suire,
J P Sullivan,
J Sziklai,
T Tabaru,
S Takagi,
E M Takagui,
A Taketani,
K H Tanaka,
Y Tanaka,
K Tanida,
M J Tannenbaum,
A Taranenko,
P Tarján,
T L Thomas,
M Togawa,
J Tojo,
H Torii,
R S Towell,
V-N Tram,
I Tserruya,
Y Tsuchimoto,
S K Tuli,
H Tydesjö,
N Tyurin,
C Vale,
H Valle,
H W van Hecke,
J Velkovska,
R Vertesi,
A A Vinogradov,
E Vznuzdaev,
M Wagner,
X R Wang,
Y Watanabe,
J Wessels,
S N White,
N Willis,
D Winter,
C L Woody,
M Wysocki,
W Xie,
A Yanovich,
S Yokkaichi,
G R Young,
I Younus,
I E Yushmanov,
W A Zajc,
O Zaudtke,
C Zhang,
J Zimányi,
L Zolin
Joint Institute for Nuclear Research, 141980 Dubna, Moscow Region, Russia.
A three-dimensional correlation function obtained from midrapidity, low p_{T}, pion pairs in central Au+Au collisions at sqrt[s_{NN}]=200 GeV is studied. The extracted model-independent source function indicates a long range tail in the directions of the pion pair transverse momentum (out) and the beam (long). A proper breakup time tau_{0} approximately 9 fm/c and a mean proper emission duration Deltatau approximately 2 fm/c, leading to sizable emission time differences (|Deltat_{LCM}| approximately 12 fm/c), are required to allow models to be successfully matched to these tails. The model comparisons also suggest an outside-in "burning" of the emission source reminiscent of many hydrodynamical models.
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