Pion, kaon, proton and anti-proton transverse momentum distributions from p+p and d+Au collisions at root(NN)-N-S=200GeV
ADAMS, J; AGGARWAL, MM; AHAMMED, Z; AMONETT, J; ANDERSON, BD; ARKHIPKIN, D; AVERICHEV, GS; BADYAL, SK; BAI, Y; BALEWSKI, J; BARANNIKOVA, O; GUERTIN, SM; GUO, Y; GUPTA, A; GUTIERREZ, TD; HALLMAN, TJ; HAMED, A; HARDTKE, D; HARRIS, JW; HEINZ, M; HENRY, TW; BARNBY, LS; HEPPLEMANN, S; HIPPOLYTE, B; HIRSCH, A; HJORT, E; HOFFMANN, GW; HUANG, HZ; HUANG, SL; HUGHES, EW; HUMANIC, TJ; IGO, G; BAUDOT, J; ISHIHARA, A; JACOBS, P; JACOBS, WW; JANIK, M; JIANG, H; JONES, PG; JUDD, EG; KABANA, S; KANG, K; KAPLAN, M; BEKELE, S; KEANE, D; KHODYREV, VY; KIRYLUK, J; KISIEL, A; KISLOV, EM; KLAY, J; KLEIN, SR; KOETKE, DD; KOLLEGGER, T; KOPYTINE, M; BELAGA, VV; KOTCHENDA, Y; KRAMER, M; KRAVTSOV, P; KRAVTSOV, VI; KRUEGER, K; KUHN, C; KULIKOV, AI; KUMAR, A; KUTUEV, RK; KUZNETSOV, AA; BELLWIED, R; LAMONT, MAC; LANDGRAF, JM; LANGE, S; LAUE, F; LEBEDEV, A; LEDNICKY, R; LEHOCKA, S; LEVINE, MJ; LI, C; LI, Q; BERGER, J; LI, Y; LIN, G; LINDENBAUM, SJ; LISA, MA; LIU, F; LIU, L; LIU, QJ; LIU, Z; LJUBICIC, T; LLOPE, WJ; BEZVERKHNY, BI; LONG, H; LONGACRE, RS; LOPEZ-NORIEGA, M; LOVE, WA; LU, Y; LUDLAM, T; LYNN, D; MA, GL; MA, JG; MA, YG; BHARADWAJ, S; MAGESTRO, D; MAHAJAN, S; MAHAPATRA, DP; MAJKA, R; MANGOTRA, LK; MANWEILER, R; MARGETIS, S; MARKERT, C; MARTIN, L; MARX, JN; BHASIN, A; MATIS, HS; MATULENKO, YA; MCCLAIN, CJ; MCSHANE, TS; MEISSNER, F; MELNICK, Y; MESCHANIN, A; MILLER, ML; MINAEV, NG; MIRONOV, C; BHATI, AK; MISCHKE, A; MISHRA, DK; MITCHELL, J; MOHANTY, B; MOLNAR, L; MOORE, CF; MOROZOV, DA; MUNHOZ, MG; NANDI, BK; NAYAK, SK; BHATIA, VS; NAYAK, TK; NELSON, JM; NETRAKANTI, PK; NIKITIN, VA; NOGACH, LV; NURUSHEV, SB; ODYNIEC, G; OGAWA, A; OKOROKOV, V; OLDENBURG, M; BICHSEL, H; OLSON, D; PAL, SK; PANEBRATSEV, Y; PANITKIN, SY; PAVLINOV, AI; PAWLAK, T; PEITZMANN, T; PEREVOZTCHIKOV, V; PERKINS, C; PERYT, W; BIELCIK, J; PETROV, VA; PHATAK, SC; PICHA, R; PLANINIC, M; PLUTA, J; PORILE, N; PORTER, J; POSKANZER, AM; POTEKHIN, M; POTREBENIKOVA, E; BIELCIKOVA, J; POTUKUCHI, BVKS; PRINDLE, D; PRUNEAU, C; PUTSCHKE, J; RAKNESS, G; RANIWALA, R; RANIWALA, S; RAVEL, O; RAY, RL; RAZIN, SV; BILLMEIER, A; REICHHOLD, D; REID, JG; RENAULT, G; RETIERE, F; RIDIGER, A; RITTER, HG; ROBERTS, JB; ROGACHEVSKIY, OV; ROMERO, JL; ROSE, A; BLAND, LC; ROY, C; RUAN, L; SAHOO, R; SAKREJDA, I; SALUR, S; SANDWEISS, J; SARSOUR, M; SAVIN, I; SAZHIN, PS; SCHAMBACH, J; BLYTH, CO; SCHARENBERG, RP; SCHMITZ, N; SCHWEDA, K; SEGER, J; SEYBOTH, P; SHAHALIEV, E; SHAO, M; SHAO, W; SHARMA, M; SHEN, WQ; BONNER, BE; SHESTERMANOV, KE; SHIMANSKIY, SS; SICHTERMANN, E; SIMON, F; SINGARAJU, RN; SKORO, G; SMIRNOV, N; SNELLINGS, R; SOOD, G; SORENSEN, P; BOTJE, M; SOWINSKI, J; SPELTZ, J; SPINKA, HM; SRIVASTAVA, B; STADNIK, A; STANISLAUS, TDS; STOCK, R; STOLPOVSKY, A; STRIKHANOV, M; STRINGFELLOW, B; BOUCHAM, A; SUAIDE, AAP; SUGARBAKER, E; SUIRE, C; SUMBERA, M; SURROW, B; SYMONS, TJM; DE TOLEDO, AS; SZARWAS, P; TAI, A; TAKAHASHI, J; BRANDIN, AV; TANG, AH; TARNOWSKY, T; THEIN, D; THOMAS, JH; TIMOSHENKO, S; TOKAREV, M; TRAINOR, TA; TRENTALANGE, S; TRIBBLE, RE; TSAI, OD; BRAVAR, A; ULERY, J; ULLRICH, T; UNDERWOOD, DG; URKINBAEV, A; VAN BUREN, G; VAN LEEUWEN, M; VANDER MOLEN, AM; VARMA, R; VASILEVSKI, IM; VASILIEV, AN; BYSTERSKY, M; VERNET, R; VIGDOR, SE; VIYOGI, YP; VOKAL, S; VOLOSHIN, SA; VZNUZDAEV, M; WAGGONER, WT; WANG, F; WANG, G; WANG, XL; CADMAN, R; WANG, Y; WANG, ZM; WARD, H; WATSON, JW; WEBB, JC; WELLS, R; WESTFALL, GD; WETZLER, A; WHITTEN, C; WIEMAN, H; CAI, XZ; WISSINK, SW; WITT, R; WOOD, J; WU, J; XU, N; XU, Z; XU, ZZ; YAMAMOTO, E; YEPES, P; YUREVICH, VI; CAINES, H; ZANEVSKY, YV; ZHANG, H; ZHANG, WM; ZHANG, ZP; ZOULKARNEEV, R; ZOULKARNEEVA, Y; ZUBAREV, A; SANCHEZ, MCD; CASTILLO, J; CATU, O; CEBRA, D; CHAJECKI, Z; CHALOUPKA, R; CHATTOPADHYAY, S; CHEN, HF; CHEN, Y; CHENG, J; CHERNEY, M; CHIKANIAN, A; CHRISTIE, W; COFFIN, JP; CORMIER, TM; CRAMER, JG; CRAWFORD, HJ; DAS, D; DAS, S; DE MOURA, MM; 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; FOMENKO, K; FU, J; GAGLIARDI, CA; GAILLARD, L; GANS, J; GANTI, MS; GAUDICHET, L; GEURTS, F; GHAZIKHANIAN, V; GHOSH, P; GONZALEZ, JE; GRACHOV, O; GREBENYUK, O; GROSNICK, D
Date:
2005
Abstract:
Identified mid-rapidity particle spectra of pi(+/-), K+/-, and p((p) over bar) from 200 GeV p + p and d + Au collisions are reported. A time-of-flight detector based on multi-gap resistive plate chamber technology is used for particle identification. The particle-species dependence of the Cronin effect is observed to be significantly smaller than that at lower energies. The ratio of the nuclear modification factor (R-dAu) between protons (p + (p) over bar) and charged hadrons (h) in the transverse momentum range 1.2 < p(T) < 3.0 GeV/c is measured to be 1.19 +/- 0.05(stat) +/- 0.03(syst) in minimum-bias collisions and shows little centrality dependence. The yield ratio of (p + (p) over bar)/h in minimum-bias d + Au collisions is found to be a factor of 2 lower than that in Au + Au collisions, indicating that the Cronin effect alone is not enough to account for the relative baryon enhancement observed in heavy ion collisions at RHIC. (c) 2005
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