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. 2004 Mar 5;92(9):092301.
doi: 10.1103/PhysRevLett.92.092301. Epub 2004 Mar 5.

Rho0 production and possible modification in Au+Au and p+p collisions at square root [sNN] = 200 GeV

J Adams  1 , C Adler, M M Aggarwal, Z Ahammed, J Amonett, B D Anderson, D Arkhipkin, G S Averichev, S K Badyal, J Balewski, O Barannikova, L S Barnby, J Baudot, S Bekele, V V Belaga, R Bellwied, J Berger, B I Bezverkhny, S Bhardwaj, A K Bhati, H Bichsel, A Billmeier, L C Bland, C O Blyth, B E Bonner, M Botje, A Boucham, A Brandin, A Bravar, R V Cadman, X Z Cai, H Caines, M Calderón de la Barca Sánchez, J Carroll, J Castillo, D Cebra, P Chaloupka, S Chattopadhyay, H F Chen, Y Chen, S P Chernenko, M Cherney, A Chikanian, W Christie, J P Coffin, T M Cormier, J G Cramer, H J Crawford, D Das, S Das, A A Derevschikov, L Didenko, T Dietel, W J Dong, X Dong, J E Draper, F Du, A K Dubey, V B Dunin, J C Dunlop, M R Dutta Majumdar, V Eckardt, L G Efimov, V Emelianov, J Engelage, G Eppley, B Erazmus, M Estienne, P Fachini, V Faine, J Faivre, R Fatemi, K Filimonov, P Filip, E Finch, Y Fisyak, D Flierl, K J Foley, J Fu, C A Gagliardi, N Gagunashvili, J Gans, M S Ganti, L Gaudichet, F Geurts, V Ghazikhanian, P Ghosh, J E Gonzalez, O Grachov, O Grebenyuk, S Gronstal, D Grosnick, S M Guertin, A Gupta, T D Gutierrez, T J Hallman, A Hamed, D Hardtke, J W Harris, M Heinz, T W Henry, S Heppelmann, B Hippolyte, A Hirsch, E Hjort, G W Hoffmann, M Horsley, H Z Huang, S L Huang, E Hughes, T J Humanic, G Igo, A Ishihara, P Jacobs, W W Jacobs, M Janik, H Jiang, I Johnson, P G Jones, E G Judd, S Kabana, M Kaplan, D Keane, V Yu Khodyrev, J Kiryluk, A Kisiel, J Klay, S R Klein, A Klyachko, D D Koetke, T Kollegger, M Kopytine, L Kotchenda, A D Kovalenko, M Kramer, P Kravtsov, V I Kravtsov, K Krueger, C Kuhn, A I Kulikov, A Kumar, G J Kunde, C L Kunz, R Kh Kutuev, A A Kuznetsov, M A C Lamont, J M Landgraf, S Lange, B Lasiuk, F Laue, J Lauret, A Lebedev, R Lednický, M J LeVine, C Li, Q Li, S J Lindenbaum, M A Lisa, F Liu, L Liu, Z Liu, Q J Liu, T Ljubicic, W J Llope, H Long, R S Longacre, M Lopez-Noriega, W A Love, T Ludlam, D Lynn, J Ma, Y G Ma, D Magestro, S Mahajan, L K Mangotra, D P Mahapatra, R Majka, R Manweiler, S Margetis, C Markert, L Martin, J Marx, H S Matis, Yu A Matulenko, C J McClain, T S McShane, F Meissner, Yu Melnick, A Meschanin, M L Miller, Z Milosevich, N G Minaev, C Mironov, A Mischke, D Mishra, J Mitchell, B Mohanty, L Molnar, C F Moore, M J Mora-Corral, D A Morozov, V Morozov, M M De Moura, M G Munhoz, B K Nandi, S K Nayak, T K Nayak, J M Nelson, P K Netrakanti, V A Nikitin, L V Nogach, B Norman, S B Nurushev, G Odyniec, A Ogawa, V Okorokov, M Oldenburg, D Olson, G Paic, S K Pal, Y Panebratsev, S Y Panitkin, A I Pavlinov, T Pawlak, T Peitzmann, V Perevoztchikov, C Perkins, W Peryt, V A Petrov, S C Phatak, R Picha, M Planinic, J Pluta, N Porile, J Porter, A M Poskanzer, M Potekhin, E Potrebenikova, B V K S Potukuchi, D Prindle, C Pruneau, J Putschke, G Rai, G Rakness, R Raniwala, S Raniwala, O Ravel, R L Ray, S V Razin, D Reichhold, J G Reid, G Renault, F Retiere, A Ridiger, H G Ritter, J B Roberts, O V Rogachevski, J L Romero, A Rose, C Roy, L J Ruan, R Sahoo, I Sakrejda, S Salur, J Sandweiss, I Savin, J Schambach, R P Scharenberg, N Schmitz, L S Schroeder, K Schweda, J Seger, P Seyboth, E Shahaliev, M Shao, W Shao, M Sharma, K E Shestermanov, S S Shimanskii, R N Singaraju, F Simon, G Skoro, N Smirnov, R Snellings, G Sood, P Sorensen, J Sowinski, J Speltz, H M Spinka, B Srivastava, T D S Stanislaus, R Stock, A Stolpovsky, M Strikhanov, B Stringfellow, C Struck, A A P Suaide, E Sugarbaker, C Suire, M Sumbera, B Surrow, T J M Symons, A Szanto de Toledo, P Szarwas, A Tai, J Takahashi, A H Tang, D Thein, J H Thomas, S Timoshenko, M Tokarev, M B Tonjes, T A Trainor, S Trentalange, R E Tribble, O Tsai, T Ullrich, D G Underwood, G Van Buren, A M VanderMolen, R Varma, I Vasilevski, A N Vasiliev, R Vernet, S E Vigdor, Y P Viyogi, S A Voloshin, M Vznuzdaev, W Waggoner, F Wang, G Wang, G Wang, X L Wang, Y Wang, Z M Wang, H Ward, J W Watson, J C Webb, R Wells, G D Westfall, C Whitten Jr, H Wieman, R Willson, S W Wissink, R Witt, J Wood, J Wu, N Xu, Z Xu, Z Z Xu, E Yamamoto, P Yepes, V I Yurevich, B Yuting, Y V Zanevski, H Zhang, W M Zhang, Z P Zhang, Z P Zhaomin, Z P Zizong, P A Zołnierczuk, R Zoulkarneev, J Zoulkarneeva, A N Zubarev
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Free article

Rho0 production and possible modification in Au+Au and p+p collisions at square root [sNN] = 200 GeV

J Adams et al. Phys Rev Lett. .
Free article

Abstract

We report results on rho(770)(0)-->pi(+)pi(-) production at midrapidity in p+p and peripheral Au+Au collisions at sqrt[s(NN)]=200 GeV. This is the first direct measurement of rho(770)(0)-->pi(+)pi(-) in heavy-ion collisions. The measured rho(0) peak in the invariant mass distribution is shifted by approximately 40 MeV/c(2) in minimum bias p+p interactions and approximately 70 MeV/c(2) in peripheral Au+Au collisions. The rho(0) mass shift is dependent on transverse momentum and multiplicity. The modification of the rho(0) meson mass, width, and shape due to phase space and dynamical effects are discussed.

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