Multiplicity and pseudorapidity distributions of photons in Au+Au collisions at root s(NN)=62.4 GeV

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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/16547

Title:	Multiplicity and pseudorapidity distributions of photons in Au+Au collisions at root s(NN)=62.4 GeV
Authors:	ADAMS, J AGGARWAL, MM AHAMMED, Z AMONETT, J ANDERSON, BD ARKHIPKIN, D AVERICHEV, GS BADYAL, SK BAI, Y BALEWSKI, J BARANNIKOVA, O BARNBY, LS BAUDOT, J BEKELE, S BELAGA, VV BELLINGERI-LAURIKAINEN, A BELLWIED, R BERGER, J BEZVERKHNY, BI BHARDWAJ, S BHASIN, A BHATI, AK BICHSEL, H BIELCIK, J BIELCIKOVA, J BILLMEIER, A BLAND, LC BLYTH, CO BLYTH, S BONNER, BE BOTJE, M BOUCHAM, A BOUCHET, J BRANDIN, AV BRAVAR, A BYSTERSKY, M CADMAN, RV CAI, XZ CAINES, H SANCHEZ, MCDL CASTILLO, J CATU, O CEBRA, D CHAJECKI, Z CHALOUPKA, P CHATTOPADHYAY, S CHEN, HF CHEN, Y CHENG, J CHERNEY, M CHIKANIAN, A CHRISTIE, W COFFIN, JP CORMIER, TM COSENTINO, MR CRAMER, JG CRAWFORD, HJ DAS, D DAS, S DE MOURA, MM DEDOVICH, TG DEREVSCHIKOV, AA DIDENKO, L DIETEL, T DOGRA, SM DONG, WJ DONG, X DRAPER, JE DU, F DUBEY, AK DUNIN, VB DUNLOP, JC MAZUMDAR, MRD ECKARDT, V EDWARDS, WR EFIMOV, LG EMELIANOV, V ENGELAGE, J EPPLEY, G ERAZMUS, B ESTIENNE, M FACHINI, P FAIVRE, J FATEMI, R FEDORISIN, J FILIMONOV, K FILIP, P FINCH, E FINE, V FISYAK, Y FORNAZIER, KSF FU, J GAGLIARDI, CA GAILLARD, L GANS, J GANTI, MS GEURTS, F GHAZIKHANIAN, V GHOSH, P GONZALEZ, JE GOS, H GRACHOV, O GREBENYUK, O GROSNICK, D GUERTIN, SM GUO, Y GUPTA, A GUTIERREZ, TD HALLMAN, TJ HAMED, A HARDTKE, D HARRIS, JW HEINZ, M HENRY, TW HEPPLEMANN, S HIPPOLYTE, B HIRSCH, A HJORT, E HOFFMANN, GW HORNER, M HUANG, HZ HUANG, SL HUGHES, EW HUMANIC, TJ IGO, G ISHIHARA, A JACOBS, P JACOBS, WW JEDYNAK, M JIANG, H JONES, PG JUDD, EG KABANA, S KANG, K KAPLAN, M KEANE, D KECHECHYAN, A KHODYREV, VY KIRYLUK, J KISIEL, A KISLOV, EM KLAY, J KLEIN, SR KOETKE, DD KOLLEGGER, T KOPYTINE, M KOTCHENDA, L KOWALIK, KL KRAMER, M KRAVTSOV, P KRAVTSOV, VI KRUEGER, K KUHN, C KULIKOV, AI KUMAR, A KUTUEV, RK KUZNETSOV, AA LAMONT, MAC LANDGRAF, JM LANGE, S LAUE, F LAURET, J LEBEDEV, A LEDNICKY, R LEHOCKA, S LEVINE, MJ LI, C LI, Q LI, Y LIN, G LINDENBAUM, SJ LISA, MA LIU, F LIU, H LIU, J LIU, L LIU, QJ LIU, Z LJUBICIC, T LLOPE, WJ LONG, H LONGACRE, RS LOPEZ-NORIEGA, M LOVE, WA LU, Y LUDLAM, T LYNN, D MA, GL MA, JG MA, YG MAGESTRO, D MAHAJAN, S MAHAPATRA, DP MAJKA, R MANGOTRA, LK MANWEILER, R MARGETIS, S MARKERT, C MARTIN, L MARX, JN MATIS, HS MATULENKO, YA MCCLAIN, CJ MCSHANE, TS MEISSNER, F MELNICK, Y MESCHANIN, A MILLER, ML MINAEV, NG MIRONOV, C MISCHKE, A MISHRA, DK MITCHELL, J MOHANTY, B MOLNAR, L MOORE, CF MOROZOV, DA MUNHOZ, MG NANDI, BK NAYAK, SK NAYAK, TK NELSON, JM NETRAKANTI, PK NIKITIN, VA NOGACH, LV NURUSHEV, SB ODYNIEC, G OGAWA, A OKOROKOV, V OLDENBURG, M OLSON, D PAL, SK PANEBRATSEV, Y PANITKIN, SY PAVLINOV, AI PAWLAK, T PEITZMANN, T PEREVOZTCHIKOV, V PERKINS, C PERYT, W PETROV, VA PHATAK, SC PICHA, R PLANINIC, M PLUTA, J PORILE, N PORTER, J POSKANZER, AM POTEKHIN, M POTREBENIKOVA, E POTUKUCHI, BVKS PRINDLE, D PRUNEAU, C PUTSCHKE, J RAKNESS, G RANIWALA, R RANIWALA, S RAVEL, O RAY, RL RAZIN, SV REICHHOLD, D REID, JG REINNARTH, J RENAULT, G RETIERE, F RIDIGER, A RITTER, HG ROBERTS, JB ROGACHEVSKIY, OV ROMERO, JL ROSE, A ROY, C RUAN, L RUSSCHER, MJ SAHOO, R SAKREJDA, I SALUR, S SANDWEISS, J SARSOUR, M SAVIN, I SAZHIN, PS SCHAMBACH, J SCHARENBERG, RP SCHMITZ, N SCHWEDA, K SEGER, J SEYBOTH, P SHAHALIEV, E SHAO, M SHAO, W SHARMA, M SHEN, WQ SHESTERMANOV, KE SHIMANSKIY, SS SICHTERMANN, E SIMON, F SINGARAJU, RN SMIRNOV, N SNELLINGS, R SOOD, G SORENSEN, P SOWINSKI, J SPELTZ, J SPINKA, HM SRIVASTAVA, B STADNIK, A STANISLAUS, TDS STOCK, R STOLPOVSKY, A STRIKHANOV, M STRINGFELLOW, B SUAIDE, AAP SUGARBAKER, E SUIRE, C SUMBERA, M SURROW, B SWANGER, M SYMONS, TJM DE TOLEDO, AS TAI, A TAKAHASHI, J TANG, AH TARNOWSKY, T THEIN, D THOMAS, JH TIMOSHENKO, S TOKAREV, M TRAINOR, TA TRENTALANGE, S TRIBBLE, RE TSAI, OD ULERY, J ULLRICH, T UNDERWOOD, DG BUREN, GV VAN LEEUWEN, M MOLEN, AMV VARMA, R VASILEVSKI, IM VASILIEV, AN VERNET, R VIGDOR, SE VIYOGI, YP VOKAL, S VOLOSHIN, SA WAGGONER, WT WANG, F WANG, G WANG, XL WANG, Y WANG, ZM WARD, H WATSON, JW WEBB, JC WESTFALL, GD WETZLER, A WHITTEN, C WIEMAN, H WISSINK, SW WITT, R WOOD, J WU, J XU, N XU, Z XU, ZZ YAMAMOTO, E YEPES, P YUREVICH, VI ZBOROVSKY, I ZHANG, H ZHANG, WM ZHANG, Y ZHANG, ZP ZOULKARNEEV, R ZOULKARNEEVA, Y ZUBAREV, AN
Keywords:	nuclear collisions cross-sections au collisions detector model
Issue Date:	2005
Publisher:	AMERICAN PHYSICAL SOC
Citation:	PHYSICAL REVIEW LETTERS, 95(6)
Abstract:	We present the first measurement of pseudorapidity distribution of photons in the region 2.3 <= eta <= 3.7 for different centralities in Au+Au collisions at root sNN = 62.4 GeV. We find that the photon yield scales with the number of participating nucleons at all collision centralities studied. The pseudorapidity distribution of photons, dominated by pi(0) decays, has been compared to those of charged pions, photons, and inclusive charged particles from heavy-ion and nucleon-nucleon collisions at various energies. The photon production has been shown to be consistent with the energy and centrality independent limiting fragmentation scenario.
URI:	http://dx.doi.org/10.1103/PhysRevLett.95.062301 http://dspace.library.iitb.ac.in/xmlui/handle/10054/16547 http://hdl.handle.net/10054/16547
ISSN:	0031-9007
Appears in Collections:	Article

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