Bose-Einstein correlations of charged pion pairs in Au+Au collisions at root(NN)-N-s = 200 GeV

SS Adler, S Afanasiev, C Aidala, NN Ajitanand, Y Akiba, J Alexander, R Amirikas, L Aphecetche, SH Aronson, R Averbeck, TC Awes, R Azmoun, V Babintsev, A Baldisseri, KN Barish, PD Barnes, B Bassalleck, S Bathe, S Batsouli, V BaublisA Bazilevsky, S Belikov, Y Berdnikov, S Bhagavatula, JG Boissevain, H Borel, S Borenstein, ML Brooks, DS Brown, N Bruner, D Bucher, H Buesching, V Bumazhnov, G Bunce, JM Burward-Hoy, S Butsyk, X Camard, JS Chai, P Chand, WC Chang, S Chernichenko, CY Chi, J Chiba, M Chiu, IJ Choi, J Choi, RK Choudhury, T Chujo, V Cianciolo, Y Cobigo, BA Cole, P Constantin, DG d'Enterria, G David, H Delagrange, A Denisov, A Deshpande, EJ Desmond, O Dietzsch, O Drapier, A Drees, Rickard du Rietz, A Durum, D Dutta, YV Efremenko, K El Chenawi, A Enokizono, H En'yo, S Esumi, L Ewell, DE Fields, F Fleuret, SL Fokin, BD Fox, Z Fraenkel, JE Frantz, A Franz, AD Frawley, SY Fung, Sten Garpman, TK Ghosh, A Glenn, G Gogiberidze, M Gonin, J Gosset, Y Goto, RG de Cassagnac, N Grau, SV Greene, MG Perdekamp, W Guryn, Hans-Åke Gustafsson, T Hachiya, JS Haggerty, H Hamagaki, AG Hansen, EP Hartouni, M Harvey, R Hayano, X He, M Heffner, TK Hemmick, JM Heuser, M Hibino, JC Hill, W Holzmann, K Homma, B Hong, A Hoover, T Ichihara, VV Ikonnikov, K Imai, D Isenhower, M Ishihara, M Issah, A Isupov, BV Jacak, WY Jang, Y Jeong, J Jia, O Jinnouchi, BM Johnson, SC Johnson, KS Joo, D Jouan, S Kametani, N Kamihara, JH Kang, SS Kapoor, K Katou, S Kelly, B Khachaturov, A Khanzadeev, J Kikuchi, DH Kim, DJ Kim, DW Kim, E Kim, GB Kim, HJ Kim, E Kistenev, A Kiyomichi, K Kiyoyama, C Klein-Boesing, H Kobayashi, L Kochenda, V Kochetkov, D Koehler, T Kohama, M Kopytine, D Kotchetkov, A Kozlov, PJ Kroon, CH Kuberg, K Kurita, Y Kuroki, MJ Kweon, Y Kwon, GS Kyle, R Lacey, V Ladygin, JG Lajoie, A Lebedev, S Leckey, DM Lee, S Lee, MJ Leitch, XH Li, H Lim, A Litvinenko, MX Liu, Y Liu, CF Maguire, YI Makdisi, A Malakhov, VI Manko, Y Mao, G Martinez, MD Marx, H Masui, F Matathias, T Matsumoto, PL McGaughey, E Melnikov, F Messer, Y Miake, J Milan, TE Miller, A Milov, S Mioduszewski, RE Mischke, GC Mishra, JT Mitchell, AK Mohanty, DP Morrison, JM Moss, F Muhlbacher, D Mukhopadhyay, M Muniruzzaman, J Murata, S Nagamiya, JL Nagle, T Nakamura, BK Nandi, M Nara, J Newby, P Nilsson, AS Nyanin, Joakim Nystrand, E O'Brien, CA Ogilvie, H Ohnishi, ID Ojha, K Okada, M Ono, V Onuchin, Anders Oskarsson, Ingvar Otterlund, K Oyama, K Ozawa, D Pal, APT Palounek, VS Pantuev, V Papavassiliou, J Park, A Parmar, SF Pate, T Peitzmann, JC Peng, V Peresedov, C Pinkenburg, RP Pisani, F Plasil, ML Purschke, AK Purwar, J Rak, I Ravinovich, KF Read, M Reuter, K Reygers, V Riabov, Y Riabov, G Roche, A Romana, M Rosati, P Rosnet, SS Ryu, ME Sadler, N Saito, T Sakaguchi, M Sakai, S Sakai, V Samsonov, L Sanfratello, R Santo, HD Sato, S Sato, S Sawada, Y Schutz, V Semenov, R Seto, MR Shaw, TK Shea, TA Shibata, K Shigaki, T Shiina, CL Silva, David Silvermyr, KS Sim, CP Singh, V Singh, M Sivertz, A Soldatov, RA Soltz, WE Sondheim, SP Sorensen, IV Sourikova, F Staley, PW Stankus, Evert Stenlund, M Stepanov, A Ster, SP Stoll, T Sugitate, JP Sullivan, EM Takagui, A Taketani, M Tamai, KH Tanaka, Y Tanaka, K Tanida, MJ Tannenbaum, P Tarjan, JD Tepe, TL Thomas, J Tojo, H Torii, RS Towell, I Tserruya, H Tsuruoka, SK Tuli, Henrik Tydesjö, N Tyurin, HW van Hecke, J Velkovska, M Velkovsky, L Villatte, AA Vinogradov, MA Volkov, E Vznuzdaev, XR Wang, Y Watanabe, SN White, FK Wohn, CL Woody, W Xie, Y Yang, A Yanovich, S Yokkaichi, GR Young, IE Yushmanov, WA Zajc, C Zhang, S Zhou, SJ Zhou, L Zolin

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Abstract

Bose-Einstein correlations of identically charged pion pairs were measured by the PHENIX experiment at midrapidity in Au+Au collisions at roots(NN)=200 GeV. The Bertsch-Pratt radius parameters were determined as a function of the transverse momentum of the pair and as a function of the centrality of the collision. Using the standard core-halo partial Coulomb fits, and a new parametrization which constrains the Coulomb fraction as determined from the unlike-sign pion correlation, the ratio R-out/R-side is within 0.8-1.1 for 0.25<<k(T)><1.2 GeV/c. The centrality dependence of all radii is well described by a linear scaling in N-part(1/3), and R-out/R-side for <k(T)>similar to0.45 GeV/c is approximately constant at unity as a function of centrality.
Original languageEnglish
Article number151302
JournalPhysical Review Letters
Volume93
Issue number15
DOIs
Publication statusPublished - 2004

Bibliographical note

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Particle Physics (011013002), Physics, science (011013100)

Subject classification (UKÄ)

  • Subatomic Physics

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