Distributions of charged hadrons associated with high transverse momentum particles in pp and Au plus Au collisions at root(S)(NN)=200 GeV

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Distributions of charged hadrons associated with high transverse momentum particles in pp and Au plus Au collisions at root(S)(NN)=200 GeV

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Title: Distributions of charged hadrons associated with high transverse momentum particles in pp and Au plus Au collisions at root(S)(NN)=200 GeV
Author: ADAMS, J; ADLER, C; AGGARWAL, MM; AHAMMED, Z; AMONETT, J; ANDERSON, BD; ARKHIPKIN, D; AVERICHEV, GS; BADYAL, SK; BALEWSKI, J; BARANNIKOVA, O; BARNBY, LS; BAUDOT, J; BEKELE, S; BELAGA, VV; BELLWIED, R; BERGER, J; BEZVERKHNY, BI; BHARDWAJ, S; BHATI, AK; BICHSEL, H; BILLMEIER, A; BLAND, LC; BLYTH, CO; BONNER, BE; BOTJE, M; BOUCHAM, A; BRANDIN, A; BRAVAR, A; CADMAN, RV; CAI, XZ; CAINES, H; SANCHEZ, MCDB; CARROLL, J; CASTILLO, J; CEBRA, D; CHALOUPKA, P; CHATTOPADHYAY, S; CHEN, HF; CHEN, Y; CHERNENKO, SP; CHERNEY, M; CHIKANIAN, A; CHRISTIE, W; COFFIN, JP; CORMIER, TM; CRAMER, JG; CRAWFORD, HJ; DAS, D; DAS, S; DEREVSCHIKOV, AA; DIDENKO, L; DIETEL, T; DONG, WJ; DONG, X; DRAPER, JE; DU, F; DUBEY, AK; DUNIN, VB; DUNLOP, JC; MAJUMDAR, MRD; ECKARDT, V; EFIMOV, LG; EMELIANOV, V; ENGELAGE, J; EPPLEY, G; ERAZMUS, B; ESTIENNE, M; FACHINI, P; FAINE, V; FAIVRE, J; FATEMI, R; FILIMONOV, K; FILIP, P; FINCH, E; FISYAK, Y; FLIERL, D; FOLEY, KJ; FU, J; GAGLIARDI, CA; GAGUNASHVILI, N; GANS, J; GANTI, MS; GAUDICHET, L; GEURTS, F; GHAZIKHANIAN, V; GHOSH, P; GONZALEZ, JE; GRACHOV, O; GREBENYUK, O; GRONSTAL, S; GROSNICK, D; GUERTIN, SM; GUPTA, A; GUTIERREZ, TD; HALLMAN, TJ; HAMED, A; HARDTKE, D; HARRIS, JW; HEINZ, M; HENRY, TW; HEPPELMANN, S; HERSTON, T; HIPPOLYTE, B; HIRSCH, A; HJORT, E; HOFFMANN, GW; HORSLEY, M; HUANG, HZ; HUANG, SL; HUGHES, E; HUMANIC, TJ; IGO, G; ISHIHARA, A; JACOBS, P; JACOBS, WW; JANIK, M; JIANG, H; JOHNSON, I; JONES, PG; JUDD, EG; KABANA, S; KAPLAN, M; KEANE, D; KHODYREV, VY; KIRYLUK, J; KISIEL, A; KLAY, J; KLEIN, SR; KLYACHKO, A; KOETKE, DD; KOLLEGGER, T; KOPYTINE, M; KOTCHENDA, L; KOVALENKO, AD; KRAMER, M; KRAVTSOV, P; KRAVTSOV, VI; KRUEGER, K; KUHN, C; KULIKOV, AI; KUMAR, A; KUNDE, GJ; KUNZ, CL; KUTUEV, RK; KUZNETSOV, AA; LAMONT, MAC; LANDGRAF, JM; LANGE, S; LASIUK, B; LAUE, F; LAURET, J; LEBEDEV, A; LEDNICKY, R; LEVINE, MJ; LI, C; LI, Q; LINDENBAUM, SJ; LISA, MA; LIU, F; LIU, L; LIU, Z; LIU, QJ; LJUBICIC, T; LLOPE, WJ; LONG, H; LONGACRE, RS; LOPEZ-NORIEGA, M; LOVE, WA; LUDLAM, T; LYNN, D; MA, J; MA, YG; MAGESTRO, D; MAHAJAN, S; MANGOTRA, LK; MAHAPATRA, DP; MAJKA, R; MANWEILER, R; MARGETIS, S; MARKERT, C; MARTIN, L; MARX, J; MATIS, HS; MATULENKO, YA; MCCLAIN, CJ; MCSHANE, TS; MEISSNER, F; MELNICK, Y; MESCHANIN, A; MILLER, ML; MILOSEVICH, Z; MINAEV, NG; MIRONOV, C; MISCHKE, A; MISHRA, D; MITCHELL, J; MOHANTY, B; MOLNAR, L; MOORE, CF; MORA-CORRAL, MJ; MOROZOV, DA; MOROZOV, V; DE MOURA, MM; MUNHOZ, MG; NANDI, BK; NAYAK, SK; NAYAK, TK; NELSON, JM; NETRAKANTI, PK; NIKITIN, VA; NOGACH, LV; NORMAN, B; NURUSHEV, SB; ODYNIEC, G; OGAWA, A; OKOROKOV, V; OLDENBURG, M; OLSON, D; PAIC, G; 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; RAI, G; RAKNESS, G; RANIWALA, R; RANIWALA, S; RAVEL, O; RAY, RL; RAZIN, SV; REICHHOLD, D; REID, JG; RENAULT, G; RETIERE, F; RIDIGER, A; RITTER, HG; ROBERTS, JB; ROGACHEVSKI, OV; ROMERO, JL; ROSE, A; ROY, C; RUAN, LJ; SAHOO, R; SAKREJDA, I; SALUR, S; SANDWEISS, J; SAVIN, I; SCHAMBACH, J; SCHARENBERG, RP; SCHMITZ, N; SCHROEDER, LS; SCHWEDA, K; SEGER, J; SEYBOTH, P; SHAHALIEV, E; SHAO, M; SHAO, W; SHARMA, M; SHESTERMANOV, KE; SHIMANSKII, SS; SINGARAJU, RN; SIMON, F; SKORO, G; SMIRNOV, N; SNELLINGS, R; SOOD, G; SORENSEN, P; SOWINSKI, J; SPELTZ, J; SPINKA, HM; SRIVASTAVA, B; STANISLAUS, TDS; STOCK, R; STOLPOVSKY, A; STRIKHANOV, M; STRINGFELLOW, B; STRUCK, C; SUAIDE, AAP; SUGARBAKER, E; SUIRE, C; SUMBERA, M; SURROW, B; SYMONS, TJM; DE TOLEDO, AS; SZARWAS, P; TAI, A; TAKAHASHI, J; TANG, AH; THEIN, D; THOMAS, JH; TIMOSHENKO, S; TOKAREV, M; TONJES, MB; TRAINOR, TA; TRENTALANGE, S; TRIBBLE, RE; TSAI, O; ULLRICH, T; UNDERWOOD, DG; VAN BUREN, G; VANDERMOLEN, AM; VARMA, R; VASILEVSKI, I; VASILIEV, AN; VERNET, R; VIGDOR, SE; VIYOGI, YP; VOLOSHIN, SA; VZNUZDAEV, M; WAGGONER, W; WANG, F; WANG, G; WANG, XL; WANG, Y; WANG, ZM; WARD, H; WATSON, JW; WEBB, JC; WELLS, R; WESTFALL, GD; WHITTEN, C; WIEMAN, H; WILLSON, R; WISSINK, SW; WITT, R; WOOD, J; WU, J; XU, N; XU, Z; XU, ZZ; YAMAMOTO, E; YEPES, P; YUREVICH, VI; YUTING, B; ZANEVSKI, YV; ZHANG, H; ZHANG, WM; ZHANG, ZP; ZHAOMIN, ZP; ZIZONG, ZP; ZOLNIERCZUK, PA; ZOULKARNEEV, R; ZOULKARNEEVA, J; ZUBAREV, AN
Abstract: Charged hadrons in 0.15 < p(perpendicular to)< 4 GeV/c associated with particles of p(perpendicular to)(trig)> 4 GeV/c are reconstructed in pp and Au+Au collisions at root s(NN)=200 GeV. The associated multiplicity and p(perpendicular to) magnitude sum are found to increase from pp to central Au+Au collisions. The associated p(perpendicular to) distributions, while similar in shape on the nearside, are significantly softened on the awayside in central Au+Au relative to pp and not much harder than that of inclusive hadrons. The results, consistent with jet quenching, suggest that the awayside fragments approach equilibration with the medium traversed.
URI: http://dx.doi.org/10.1103/PhysRevLett.95.152301
http://dspace.library.iitb.ac.in/xmlui/handle/10054/16540
http://hdl.handle.net/10054/16540
Date: 2005


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