Author: "TSAI, OD" / Publisher: purdue university - Searchworks@Jio Institute Digital Library Search Results

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16 results on '"TSAI, OD"'

1. Measurement of the Bottom Quark Contribution to Nonphotonic Electron Production in p plus p Collisions at root s=200 GeV

Author: AGGARWAL, MM, AHAMMED, Z, ALAKHVERDYANTS, AV, ALEKSEEV, I, ALFORD, J, ANDERSON, BD, ANSON, D, ARKHIPKIN, D, AVERICHEV, GS, BALEWSKI, J, BARNBY, LS, GHAZIKHANIAN, V, GHOSH, P, GORBUNOV, YN, GORDON, A, GREBENYUK, O, SAKREJDA, I, JONES, PG, JOSEPH, J, JUDD, EG, UNDERWOOD, DG, ZHOU, W, BIELCIKOVA, J, KABANA, S, BELLWIED, R, KAJIMOTO, K, KANG, K, KAPITAN, J, KAUDER, K, SAKUMA, T, KEANE, D, KECHECHYAN, A, ZHU, X, MA, GL, KETTLER, D, KIKOLA, DP, MATULENKO, YA, KIRYLUK, J, KISIEL, A, BETANCOURT, MJ, KIZKA, V, KLEIN, SR, SALUR, S, ZHU, YH, KNOSPE, AG, RAY, RL, KOCOLOSKI, A, KOETKE, DD, KOLLEGGER, T, KONZER, J, MCDONALD, D, KORALT, I, KOROLEVA, L, KORSCH, W, ZOULKARNEEV, R, BETTS, RR, BRIDGEMAN, A, CAINES, H, KOTCHENDA, L, KOUCHPIL, V, KRAVTSOV, P, KRUEGER, K, KRUS, M, KUMAR, L, MCSHANE, TS, ZOULKARNEEVA, Y, KURNADI, P, LAMONT, MAC, LANDGRAF, JM, VAN BUREN, G, SANDWEISS, J, LAPOINTE, S, BHASIN, A, LAURET, J, LEBEDEV, A, LEDNICKY, R, MANGOTRA, LK, LEE, CH, LEE, JH, MESCHANIN, A, LEIGHT, W, VAN LEEUWEN, M, LEVINE, MJ, SANGALINE, E, LI, C, LI, L, LI, N, CHAJECKI, Z, BHATI, AK, LI, W, LI, X, LI, Y, VAN NIEUWENHUIZEN, G, MILNER, R, LI, ZM, LJUBICIC, T, LIN, G, CHALOUPKA, P, LIN, XY, LINDENBAUM, SJ, LISA, MA, LIU, F, BICHSEL, H, LIU, H, VANFOSSEN, JA, MINAEV, NG, MIODUSZEWSKI, S, MISCHKE, A, CHATTOPADHYAY, S, HEINZ, M, MITROVSKI, MK, GUPTA, A, MOHANTY, B, BIRITZ, B, MONDAL, MM, MOROZOV, B, VARMA, R, MOROZOV, DA, MUNHOZ, MG, ROSE, A, NANDI, BK, NATTRASS, C, SCHAMBACH, J, NAYAK, TK, NELSON, JM, GURYN, W, NETRAKANTI, PK, NG, MJ, VASCONCELOS, GMS, BLAND, LC, TRAINOR, TA, NOGACH, LV, NURUSHEV, SB, ODYNIEC, G, OGAWA, A, SCHARENBERG, RP, OKOROKOV, V, OLDAG, EW, OLSON, D, HAAG, B, HOFMAN, DJ, IGO, G, PACHR, M, PAGE, BS, PAL, SK, BONNER, BE, PANDIT, Y, PANEBRATSEV, Y, SCHMITZ, N, PAWLAK, T, PEITZMANN, T, PEREVOZTCHIKOV, V, CHEN, HF, VASILIEV, AN, PERKINS, C, HAMED, A, PERYT, W, PHATAK, SC, PILE, P, PLANINIC, M, BOUCHET, J, SCHUSTER, TR, PLOSKON, MA, CHEN, JH, PLUTA, J, VIDEBAEK, F, PLYKU, D, POLJAK, N, POSKANZER, AM, HAN, LX, POTUKUCHI, BVKS, POWELL, CB, PRINDLE, D, PRUNEAU, C, CHEN, JY, SEELE, J, PRUTHI, NK, REDWINE, R, BRAIDOT, E, PUJAHARI, PR, PUTSCHKE, J, QIU, H, RANIWALA, R, HARRIS, JW, RANIWALA, S, CHENG, J, SEGER, J, SELYUZHENKOV, I, SEYBOTH, P, BIELCIK, J, BRUNA, E, LLOPE, WJ, SHAHALIEV, E, BAUMGART, S, SHAO, M, SHARMA, M, CHERNEY, M, SHI, SS, SICHTERMANN, EP, SIMON, F, SINGARAJU, RN, VIYOGI, YP, SKOBY, MJ, SMIRNOV, N, LONGACRE, RS, SORENSEN, P, BUELTMANN, S, CHIKANIAN, A, HEPPELMANN, S, SOWINSKI, J, SPINKA, HM, SRIVASTAVA, B, STANISLAUS, TDS, VOKAL, S, STASZAK, D, STEVENS, JR, STOCK, R, LOVE, WA, MANWEILER, R, STRIKHANOV, M, STRINGFELLOW, B, SUAIDE, AAP, HIRSCH, A, BUNZAROV, I, SUAREZ, MC, SANCHEZ, MCD, SUBBA, NL, SUMBERA, M, SUN, XM, CHOI, KE, SUN, Y, LU, Y, SUN, Z, SURROW, B, SVIRIDA, DN, SYMONS, TJM, HJORT, E, VOLOSHIN, SA, DE TOLEDO, AS, BURTON, TP, CHRISTIE, W, TAKAHASHI, J, TANG, AH, TANG, Z, LUKASHOV, EV, TARINI, LH, TARNOWSKY, T, THEIN, D, THOMAS, JH, WADA, M, TIAN, J, TRAM, VN, HOFFMAN, AM, TIMMINS, AR, TIMOSHENKO, S, CAI, XZ, TLUSTY, D, LUO, X, TOKAREV, M, WALKER, M, WANG, F, WANG, G, HAYS-WEHLE, JP, HUANG, B, REED, R, WANG, H, GROSNICK, D, WANG, JS, WANG, Q, WANG, XL, WANG, Y, CATU, O, WEBB, G, CHUNG, P, WEBB, JC, WESTFALL, GD, RITTER, HG, WHITTEN, C, HUANG, HZ, MA, YG, WIEMAN, H, WISSINK, SW, WITT, R, WU, YF, CLARKE, RF, XIE, W, XU, H, CEBRA, D, ROBERTS, JB, XU, N, XU, QH, XU, W, MAHAPATRA, DP, HUMANIC, TJ, XU, Y, JACOBS, P, XU, Z, XUE, L, YANG, Y, YEPES, P, BRANDIN, AV, YIP, K, YOO, IK, CENDEJAS, R, YUE, Q, MAJKA, R, CODRINGTON, MJM, ZAWISZA, M, HUO, L, ZBROSZCZYK, H, ZHAN, W, ZHANG, JB, ROGACHEVSKIY, OV, ZHANG, S, ZHANG, WM, ZHANG, XP, ZHANG, Y, CORLISS, R, ZHANG, ZP, MALL, OI, CERVANTES, MC, ZHAO, J, BEAVIS, DR, ZHONG, C, ROMERO, JL, ZHOU, J, CRAMER, JG, CRAWFORD, HJ, DAS, D, MARGETIS, S, TRENTALANGE, S, DASH, S, LIU, J, LEYVA, AD, DE SILVA, LC, DEBBE, RR, DEDOVICH, TG, JACOBS, WW, DEREVSCHIKOV, AA, DE SOUZA, RD, DIDENKO, L, TRIBBLE, RE, DJAWOTHO, P, MARKERT, C, ROY, C, DOGRA, SM, DONG, X, DRACHENBERG, JL, DRAPER, JE, DUNLOP, JC, MAZUMDAR, MRD, JENA, C, TSAI, OD, EFIMOV, LG, ELHALHULI, E, ELNIMR, M, RUAN, L, MASUI, H, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, ESTIENNE, M, EUN, L, HOFFMANN, GW, EVDOKIMOV, O, FACHINI, P, JIN, F, FATEMI, R, SAHOO, R, FEDORISIN, J, MATIS, HS, FERSCH, RG, FILIP, P, FINCH, E, ULERY, J, FINE, V, FISYAK, Y, GAGLIARDI, CA, GANGADHARAN, DR, GANTI, MS, SAKAI, S, JONES, CL, GARCIA-SOLIS, EJ, GUERTIN, SM, GEROMITSOS, A, ULLRICH, T, and GEURTS, F
Subjects: High Energy Physics::Lattice, Nuclear Theory, High Energy Physics::Phenomenology, High Energy Physics::Experiment, Nuclear Experiment, Tomography
Abstract: The contribution of B meson decays to nonphotonic electrons, which are mainly produced by the semileptonic decays of heavy-flavor mesons, in p + p collisions at root s = 200 GeV has been measured using azimuthal correlations between nonphotonic electrons and hadrons. The extracted B decay contribution is approximately 50% at a transverse momentum of p(T) >= 5 GeV/c. These measurements constrain the nuclear modification factor for electrons from B and D meson decays. The result indicates that B meson production in heavy ion collisions is also suppressed at high p(T).
Published: 2010

2. Azimuthal di-hadron correlations in d plus Au and Au plus Au collisions at root s(NN)=200 GeV measured at the STAR detector

Author: AGGARWAL, MM, AHAMMED, Z, ALAKHVERDYANTS, AV, ALEKSEEV, I, ALFORD, J, ANDERSON, BD, ARKHIPKIN, D, AVERICHEV, GS, BALEWSKI, J, BARNBY, LS, BAUMGART, S, ZOULKARNEEVA, Y, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, CHEN, JH, MARGETIS, S, CHEN, JY, CHENG, J, CHERNEY, M, SAHOO, R, TRIBBLE, RE, HUO, L, CHIKANIAN, A, CHOI, KE, CHRISTIE, W, CHUNG, P, CLARKE, RF, CODRINGTON, MJM, MARKERT, C, CORLISS, R, CRAMER, JG, TSAI, OD, HAYS-WEHLE, JP, CRAWFORD, HJ, DAS, D, IGO, G, DASH, S, LEYVA, AD, DE SILVA, LC, DEBBE, RR, DEDOVICH, TG, MASUI, H, ULERY, J, DEREVSCHIKOV, AA, LJUBICIC, T, DE SOUZA, RD, DIDENKO, L, DJAWOTHO, P, DOGRA, SM, JACOBS, P, DONG, X, DRACHENBERG, JL, DRAPER, JE, ULLRICH, T, DUNLOP, JC, MATIS, HS, SAKAI, S, MAZUMDAR, MRD, EFIMOV, LG, ELHALHULI, E, ELNIMR, M, ENGELAGE, J, EPPLEY, G, JACOBS, WW, UNDERWOOD, DG, ERAZMUS, B, ESTIENNE, M, EUN, L, SAKREJDA, I, MATULENKO, YA, EVDOKIMOV, O, FACHINI, P, FATEMI, R, FEDORISIN, J, FERSCH, RG, HOFFMANN, GW, FILIP, P, FINCH, E, JENA, C, FINE, V, SAKUMA, T, FISYAK, Y, MCDONALD, D, GAGLIARDI, CA, GANGADHARAN, DR, GANTI, MS, VAN BUREN, G, GARCIA-SOLIS, EJ, GEROMITSOS, A, GEURTS, F, GHAZIKHANIAN, V, GHOSH, P, SALUR, S, JIN, F, GORBUNOV, YN, GUPTA, A, GORDON, A, VAN LEEUWEN, M, GREBENYUK, O, GROSNICK, D, JONES, CL, JONES, PG, JOSEPH, J, JUDD, EG, SANDWEISS, J, BETANCOURT, MJ, KABANA, S, KAJIMOTO, K, VAN NIEUWENHUIZEN, G, BIRITZ, B, KANG, K, KAPITAN, J, KAUDER, K, KEANE, D, KECHECHYAN, A, KETTLER, D, SANGALINE, E, KIKOLA, DP, KIRYLUK, J, MAHAPATRA, DP, BETTS, RR, KISIEL, A, MCSHANE, TS, KLEIN, SR, KNOSPE, AG, KOCOLOSKI, A, KOETKE, DD, KOLLEGGER, T, SCHAMBACH, J, KONZER, J, RITTER, HG, KORALT, I, KOROLEVA, L, KORSCH, W, BHASIN, A, MESCHANIN, A, KOTCHENDA, L, KOUCHPIL, V, KRAVTSOV, P, KRUEGER, K, BRUNA, E, SANCHEZ, MCD, KRUS, M, KUMAR, L, KURNADI, P, LAMONT, MAC, LANDGRAF, JM, LAPOINTE, S, MILNER, R, BHATI, AK, LAURET, J, LEBEDEV, A, VANFOSSEN, JA, SCHARENBERG, RP, LEDNICKY, R, LEE, CH, LEE, JH, LEIGHT, W, LEVINE, MJ, LI, C, LI, L, MINAEV, NG, LI, N, VARMA, R, BICHSEL, H, SCHMITZ, N, LI, W, LI, X, LI, Y, LI, ZM, LIN, G, LINDENBAUM, SJ, LISA, MA, VASCONCELOS, GMS, MIODUSZEWSKI, S, LIU, F, LLOPE, WJ, LIU, H, BIELCIK, J, LIU, J, MISCHKE, A, MITROVSKI, MK, MOHANTY, B, MONDAL, MM, VASILIEV, AN, GUPTA, N, MOROZOV, B, BLAND, LC, HEINZ, M, MOROZOV, DA, MUNHOZ, MG, NANDI, BK, NATTRASS, C, NAYAK, TK, NELSON, JM, VIDEBAEK, F, NETRAKANTI, PK, NG, MJ, GURYN, W, NOGACH, LV, SCHUSTER, TR, NURUSHEV, SB, BONNER, BE, ODYNIEC, G, OGAWA, A, OKOROKOV, V, VIYOGI, YP, OLDAG, EW, OLSON, D, PACHR, M, PAGE, BS, HAAG, B, SEELE, J, PAL, SK, PANDIT, Y, PANEBRATSEV, Y, BOUCHET, J, HOFMAN, DJ, PAWLAK, T, PEITZMANN, T, PEREVOZTCHIKOV, V, PERKINS, C, PERYT, W, PHATAK, SC, SEGER, J, HAMED, A, PILE, P, PLANINIC, M, VOKAL, S, PLOSKON, MA, PLUTA, J, BRAIDOT, E, PLYKU, D, POLJAK, N, POSKANZER, AM, POTUKUCHI, BVKS, SELYUZHENKOV, I, POWELL, CB, HAN, LX, VOLOSHIN, SA, PRINDLE, D, PRUNEAU, C, PRUTHI, NK, PUJAHARI, PR, PUTSCHKE, J, BRANDIN, AV, RANIWALA, R, RANIWALA, S, SEYBOTH, P, RAY, RL, ROBERTS, JB, REDWINE, R, HARRIS, JW, REED, R, SHAHALIEV, E, SHAO, M, SHARMA, M, BUELTMANN, S, LONGACRE, RS, SHI, SS, BEAVIS, DR, BIELCIKOVA, J, SICHTERMANN, EP, SIMON, F, SINGARAJU, RN, SKOBY, MJ, SMIRNOV, N, SORENSEN, P, SOWINSKI, J, SPINKA, HM, LOVE, WA, SRIVASTAVA, B, WADA, M, BUNZAROV, I, HEPPELMANN, S, STANISLAUS, TDS, STASZAK, D, STEVENS, JR, STOCK, R, STRIKHANOV, M, STRINGFELLOW, B, SUAIDE, AAP, LU, Y, WALKER, M, SUAREZ, MC, SUBBA, NL, SUMBERA, M, HIRSCH, A, BURTON, TP, SUN, XM, SUN, Y, SUN, Z, SURROW, B, SVIRIDA, DN, CATU, O, LUO, X, SYMONS, TJM, DE TOLEDO, AS, TAKAHASHI, J, TANG, AH, HJORT, E, TANG, Z, CAI, XZ, TARINI, LH, TARNOWSKY, T, WANG, F, THEIN, D, MA, GL, THOMAS, JH, TIAN, J, TIMMINS, AR, TIMOSHENKO, S, TLUSTY, D, HOFFMAN, AM, TOKAREV, M, TRAINOR, TA, WANG, G, CAINES, H, TRAM, VN, MA, YG, TRENTALANGE, S, WANG, H, WANG, JS, WANG, Q, HORNER, MJ, ROGACHEVSKIY, OV, WANG, XL, GUERTIN, SM, WANG, Y, WEBB, G, WEBB, JC, WESTFALL, GD, CEBRA, D, WHITTEN, C, WIEMAN, H, WISSINK, SW, ROMERO, JL, WITT, R, HUANG, B, MAJKA, R, WU, YF, XIE, W, XU, N, XU, QH, XU, W, XU, Y, CENDEJAS, R, ROSE, A, XU, Z, XUE, L, YANG, Y, MALL, OI, HUANG, HZ, YEPES, P, YIP, K, YOO, IK, YUE, Q, ZAWISZA, M, BRIDGEMAN, A, ZBROSZCZYK, H, ZHAN, W, CERVANTES, MC, ZHANG, JB, MANGOTRA, LK, ZHANG, S, HUMANIC, TJ, ZHANG, WM, ZHANG, XP, ZHANG, Y, ROY, C, ZHANG, ZP, ZHAO, J, ZHONG, C, ZHOU, J, ZHOU, W, MANWEILER, R, CHAJECKI, Z, ZHU, X, BELLWIED, R, ZHU, YH, RUAN, L, and ZOULKARNEEV, R
Subjects: Plasma, Radiation, Au+Au Collisions, Nuclear Experiment
Abstract: Yields, correlation shapes, and mean transverse momenta p(T) of charged particles associated with intermediate-to high-p(T) trigger particles (2.5 < p(T) < 10 GeV/c) in d + Au and Au + Au collisions at root s(NN) = 200 GeV are presented. For associated particles at higher p(T) greater than or similar to 2.5 GeV/c, narrow correlation peaks are seen in d + Au and Au + Au, indicating that the main production mechanism is jet fragmentation. At lower associated particle pT < 2 GeV/c, a large enhancement of the near- (Delta phi similar to 0) and away-side (Delta phi similar to pi) associated yields is found, together with a strong broadening of the away-side azimuthal distributions in Au + Au collisions compared to d + Au measurements, suggesting that other particle production mechanisms play a role. This is further supported by the observed significant softening of the away-side associated particle yield distribution at Delta phi similar to pi in central Au + Au collisions.
Published: 2010

3. gamma cross section in p plus p collisions at root s=200 GeV

Author: ABELEV, BI, AGGARWAL, MM, AHAMMED, Z, ALAKHVERDYANTS, AV, ANDERSON, BD, ARKHIPKIN, D, AVERICHEV, GS, BALEWSKI, J, BARNBY, LS, BAUMGART, S, BEAVIS, DR, GORDON, A, GREBENYUK, O, JACOBS, WW, JAKL, P, JENA, C, SAKUMA, T, JIN, F, BETTS, RR, JONES, CL, VAN LEEUWEN, M, ZOULKARNEEV, R, BLAND, LC, JONES, PG, JOSEPH, J, JUDD, EG, KABANA, S, KAJIMOTO, K, KANG, K, SALUR, S, KAPITAN, J, KAUDER, K, ZOULKARNEEVA, Y, MA, GL, KEANE, D, BHASIN, A, MATULENKO, YA, KECHECHYAN, A, KETTLER, D, KIKOLA, DP, KIRYLUK, J, KISIEL, A, SANDWEISS, J, CHATTOPADHYAY, S, KNOSPE, AG, REED, R, KOCOLOSKI, A, KOETKE, DD, KOLLEGGER, T, KONZER, J, MCDONALD, D, BHATI, AK, KOPYTINE, M, KORALT, I, CHEN, HF, KORSCH, W, BUELTMANN, S, CATU, O, KOTCHENDA, L, KOUCHPIL, V, KRAVTSOV, P, KRUEGER, K, KRUS, M, KUMAR, L, MCSHANE, TS, CHEN, JH, KURNADI, P, BICHSEL, H, LAMONT, MAC, VAN NIEUWENHUIZEN, G, SANGALINE, E, LANDGRAF, JM, LAPOINTE, S, LAURET, J, LEBEDEV, A, LEDNICKY, R, MANGOTRA, LK, LEE, CH, LEE, JH, MESCHANIN, A, LEIGHT, W, VANFOSSEN, JA, LEVINE, MJ, SCHAMBACH, J, BIELCIK, J, LI, C, LI, L, CHEN, JY, LI, N, LI, W, LI, X, LI, Y, VARMA, R, MILNER, R, LI, Z, LIU, H, LIN, G, CHENG, J, LINDENBAUM, SJ, BIELCIKOVA, J, LISA, MA, MINAEV, NG, MIODUSZEWSKI, S, MISCHKE, A, VASCONCELOS, GMS, MITROVSKI, MK, GUERTIN, SM, MOHANTY, B, CHERNEY, M, HAN, LX, BONNER, BE, MONDAL, MM, MOROZOV, DA, MUNHOZ, MG, NANDI, BK, NATTRASS, C, VASILIEV, AN, NAYAK, TK, NELSON, JM, ROY, C, NETRAKANTI, PK, GUPTA, A, SCHARENBERG, RP, NG, MJ, NOGACH, LV, BOUCHET, J, NURUSHEV, SB, ODYNIEC, G, VIDEBAEK, F, OGAWA, A, TRENTALANGE, S, OKADA, H, OKOROKOV, V, OLSON, D, PACHR, M, SCHMITZ, N, GUPTA, N, PAGE, BS, PAL, SK, PANDIT, Y, HJORT, E, HUANG, HZ, BRAIDOT, E, PANEBRATSEV, Y, PAWLAK, T, PEITZMANN, T, PEREVOZTCHIKOV, V, PERKINS, C, SCHUSTER, TR, PERYT, W, GURYN, W, PHATAK, SC, CHIKANIAN, A, VIYOGI, YP, PILE, P, PLANINIC, M, PLOSKON, MA, BRANDIN, AV, PLUTA, J, PLYKU, D, POLJAK, N, SEELE, J, POSKANZER, AM, CHOI, KE, POTUKUCHI, BVKS, VOKAL, S, HAAG, B, POWELL, CB, PRINDLE, D, PRUNEAU, C, PRUTHI, NK, PUJAHARI, PR, BRIDGEMAN, A, PUTSCHKE, J, CHRISTIE, W, SEGER, J, RANIWALA, R, REHBERG, JM, RANIWALA, S, RAY, RL, HALLMAN, TJ, REDWINE, R, SELYUZHENKOV, I, SEYBOTH, P, SHAHALIEV, E, CHUNG, P, BUNZAROV, I, LIU, J, SHAO, M, BIRITZ, B, BELLWIED, R, SHARMA, M, SHI, SS, SICHTERMANN, EP, SIMON, F, SINGARAJU, RN, CLARKE, RF, SKOBY, MJ, SMIRNOV, N, SORENSEN, P, LJUBICIC, T, VOLOSHIN, SA, SOWINSKI, J, BURTON, TP, HARRIS, JW, SPINKA, HM, SRIVASTAVA, B, CODRINGTON, MJM, STANISLAUS, TDS, STASZAK, D, STEVENS, JR, STOCK, R, STRIKHANOV, M, WADA, M, LLOPE, WJ, STRINGFELLOW, B, SUAIDE, AAP, SUAREZ, MC, MANWEILER, R, HAYS-WEHLE, JP, CAI, XZ, SUBBA, NL, SUMBERA, M, SUN, XM, SUN, Y, CEBRA, D, SUN, Z, LONGACRE, RS, SURROW, B, CORLISS, R, SYMONS, TJM, DE TOLEDO, AS, TAKAHASHI, J, HEINZ, M, TANG, AH, CAINES, H, TANG, Z, WALKER, M, TARINI, LH, TARNOWSKY, T, COSENTINO, MR, LOVE, WA, THEIN, D, THOMAS, JH, TIAN, J, TIMMINS, AR, TIMOSHENKO, S, HEPPELMANN, S, TLUSTY, D, WANG, F, TOKAREV, M, TRIBBLE, RE, SANCHEZ, MCDB, TRAINOR, TA, LU, Y, TRAM, VN, WANG, G, WANG, H, WANG, JS, HOFFMAN, AM, RITTER, HG, WANG, Q, HAMED, A, GROSNICK, D, WANG, XL, WANG, Y, WEBB, G, WEBB, JC, CENDEJAS, R, WESTFALL, GD, WHITTEN, C, WIEMAN, H, ROBERTS, JB, CRAMER, JG, WINGFIELD, E, HOFFMANN, GW, MA, YG, WISSINK, SW, WITT, R, WU, Y, XIE, W, XU, N, XU, QH, CERVANTES, MC, CRAWFORD, HJ, ROGACHEVSKIY, OV, XU, W, XU, Y, XU, Z, MAHAPATRA, DP, HOFMAN, DJ, XUE, L, YANG, Y, YEPES, P, YIP, K, HUMANIC, TJ, YOO, IK, BRUNA, E, YUE, Q, ZAWISZA, M, CHAJECKI, Z, ZBROSZCZYK, H, MAJKA, R, ZHAN, W, HOLLIS, RS, ZHANG, S, DAS, D, ZHANG, WM, ZHANG, XP, ROMERO, JL, ZHANG, Y, ZHANG, ZP, ZHAO, J, ZHONG, C, ZHOU, J, MALL, OI, CHALOUPKA, P, DASH, S, ZHOU, W, BETANCOURT, MJ, ZHU, X, ROSE, A, ZHU, YH, LEYVA, AD, DE SILVA, LC, DEBBE, RR, MARGETIS, S, TSAI, OD, DEDOVICH, TG, LIU, F, DEPHILLIPS, M, DEREVSCHIKOV, AA, DE SOUZA, RD, DIDENKO, L, HUO, L, DJAWOTHO, P, DOGRA, SM, DONG, X, ULERY, J, DRACHENBERG, JL, MARKERT, C, RUAN, L, DRAPER, JE, DUNLOP, JC, MAZUMDAR, MRD, EFIMOV, LG, ELHALHULI, E, ELNIMR, M, IGO, G, ULLRICH, T, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, SAHOO, R, MASUI, H, ESTIENNE, M, EUN, L, EVDOKIMOV, O, FACHINI, P, FATEMI, R, HIRSCH, A, FEDORISIN, J, FERSCH, RG, IORDANOVA, A, FILIP, P, SAKAI, S, FINCH, E, MATIS, HS, FINE, V, FISYAK, Y, GAGLIARDI, CA, UNDERWOOD, DG, GANGADHARAN, DR, GANTI, MS, GARCIA-SOLIS, EJ, GEROMITSOS, A, GEURTS, F, SAKREJDA, I, JACOBS, P, GHAZIKHANIAN, V, GRUBE, B, GHOSH, P, VAN BUREN, G, and GORBUNOV, YN
Subjects: Suppression, Nucleus-Nucleus Collisions, Resonances, Quark-Gluon Plasma, High Energy Physics::Experiment, J-Psi, Nuclear Experiment, Dimuon
Abstract: We report on a measurement of the gamma(1S + 2S + 3S) -> e(+)e(-) cross section at midrapidity in p + p collisions at root s = 200 GeV. We find the cross section to be 114 +/- 38(stat + fit)(-24)(+23)(syst) pb. Perturbative QCD calculations at next-to-leading order in the color evaporation model are in agreement with our measurement, while calculations in the color singlet model underestimate it by 2 sigma. Our result is consistent with the trend seen in world data as a function of the center-of-mass energy of the collision and extends the availability of gamma data to RHIC energies. The dielectron continuum in the invariant-mass range near the gamma is also studied to obtain a combined yield of e(+)e(-) pairs from the sum of the Drell-Yan process and b-(b) over bar production.
Published: 2010

4. Inclusive pi(0), eta, and direct photon production at high transverse momentum in p plus p and d plus Au collisions at root s(NN)=200 GeV

Author: ABELEV, BI, AGGARWAL, MM, AHAMMED, Z, ALAKHVERDYANTS, AV, ANDERSON, BD, ARKHIPKIN, D, AVERICHEV, GS, BALEWSKI, J, BARANNIKOVA, O, BARNBY, LS, BAUMGART, S, LISA, MA, LIU, F, LIU, H, LIU, J, LJUBICIC, T, LLOPE, WJ, LONGACRE, RS, LOVE, WA, LU, Y, BIELCIK, J, GROSNICK, D, MA, GL, MA, YG, MAHAPATRA, DP, MAJKA, R, MALL, OI, MANGOTRA, LK, MANWEILER, R, MARGETIS, S, MARKERT, C, MASUI, H, GRUBE, B, BIELCIKOVA, J, MATIS, HS, MATULENKO, YA, MCDONALD, D, MCSHANE, TS, MESCHANIN, A, MILNER, R, MINAEV, NG, MIODUSZEWSKI, S, MISCHKE, A, GUERTIN, SM, MITROVSKI, MK, BIRITZ, B, MOHANTY, B, MONDAL, MM, MOROZOV, DA, MUNHOZ, MG, NANDI, BK, NATTRASS, C, NAYAK, TK, NELSON, JM, GUPTA, A, NETRAKANTI, PK, NG, MJ, BLAND, LC, NOGACH, LV, NURUSHEV, SB, ODYNIEC, G, OGAWA, A, OKADA, H, OKOROKOV, V, OLSON, D, GUPTA, N, PACHR, M, PAGE, BS, PAL, SK, BONNER, BE, PANDIT, Y, PANEBRATSEV, Y, PAWLAK, T, PEITZMANN, T, PEREVOZTCHIKOV, V, PERKINS, C, GURYN, W, PERYT, W, PHATAK, SC, PILE, P, PLANINIC, M, BOUCHET, J, PLOSKON, MA, PLUTA, J, PLYKU, D, POLJAK, N, POSKANZER, AM, HAAG, B, POTUKUCHI, BVKS, POWELL, CB, PRINDLE, D, PRUNEAU, C, PRUTHI, NK, BRAIDOT, E, PUJAHARI, PR, PUTSCHKE, J, RANIWALA, R, RANIWALA, S, HALLMAN, TJ, RAY, RL, REDWINE, R, REED, R, REHBERG, JM, RITTER, HG, ROBERTS, JB, BRANDIN, AV, ROGACHEVSKIY, OV, ROMERO, JL, ROSE, A, HAMED, A, ROY, C, RUAN, L, RUSSCHER, MJ, SAHOO, R, SAKAI, S, SAKREJDA, I, SAKUMA, T, BRIDGEMAN, A, SALUR, S, SANDWEISS, J, HAN, LX, SANGALINE, E, SCHAMBACH, J, SCHARENBERG, RP, SCHMITZ, N, SCHUSTER, TR, SEELE, J, SEGER, J, SELYUZHENKOV, I, BRUNA, E, SEYBOTH, P, BEAVIS, DR, SHAHALIEV, E, SHAO, M, SHARMA, M, SHI, SS, SICHTERMANN, EP, SIMON, F, SINGARAJU, RN, SKOBY, MJ, SMIRNOV, N, BUELTMANN, S, HARRIS, JW, SORENSEN, P, SOWINSKI, J, SPINKA, HM, SRIVASTAVA, B, STANISLAUS, TDS, STASZAK, D, STEVENS, JR, STOCK, R, STRIKHANOV, M, STRINGFELLOW, B, HAYS-WEHLE, JP, BUNZAROV, I, SUAIDE, AAP, SUAREZ, MC, SUBBA, NL, SUMBERA, M, SUN, XM, SUN, Y, SUN, Z, SURROW, B, SYMONS, TJM, HEINZ, M, DE TOLEDO, AS, BURTON, TP, TAKAHASHI, J, TANG, AH, TANG, Z, TARINI, LH, TARNOWSKY, T, THEIN, D, THOMAS, JH, TIAN, J, HEPPELMANN, S, TIMMINS, AR, TIMOSHENKO, S, CAI, XZ, TLUSTY, D, TOKAREV, M, TRAINOR, TA, TRAM, VN, TRENTALANGE, S, TRIBBLE, RE, TSAI, OD, HIRSCH, A, ULERY, J, ULLRICH, T, UNDERWOOD, DG, CAINES, H, VAN BUREN, G, VAN NIEUWENHUIZEN, G, VANFOSSEN, JA, VARMA, R, VASCONCELOS, GMS, VASILIEV, AN, HJORT, E, VIDEBAEK, F, VIYOGI, YP, VOKAL, S, VOLOSHIN, SA, SANCHEZ, MCD, WADA, M, WALKER, M, WANG, F, WANG, G, WANG, H, HOFFMAN, AM, WANG, JS, WANG, Q, WANG, X, WANG, XL, WANG, Y, CATU, O, WEBB, G, WEBB, JC, WESTFALL, GD, WHITTEN, C, HOFFMANN, GW, WIEMAN, H, WINGFIELD, E, WISSINK, SW, WITT, R, WU, Y, XIE, W, CEBRA, D, XU, N, XU, QH, XU, W, HOFMAN, DJ, XU, Y, XU, Z, XUE, L, YANG, Y, YEPES, P, YIP, K, YOO, IK, CENDEJAS, R, YUE, Q, ZAWISZA, M, HOLLIS, RS, ZBROSZCZYK, H, ZHAN, W, ZHANG, S, ZHANG, WM, ZHANG, XP, ZHANG, Y, ZHANG, ZP, ZHAO, J, CERVANTES, MC, ZHONG, C, BELLWIED, R, ZHOU, J, ZHOU, W, ZHU, X, ZHU, YH, ZOULKARNEEV, R, ZOULKARNEEVA, Y, CHAJECKI, Z, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, HUANG, HZ, CHEN, JH, CHEN, JY, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHOI, KE, CHRISTIE, W, CHUNG, P, CLARKE, RF, CODRINGTON, MJM, HUMANIC, TJ, CORLISS, R, CRAMER, JG, CRAWFORD, HJ, DAS, D, DASH, S, LEYVA, AD, DE SILVA, LC, DEBBE, RR, DEDOVICH, TG, DEPHILLIPS, M, HUO, L, DEREVSCHIKOV, AA, DE SOUZA, RD, DIDENKO, L, DJAWOTHO, P, DOGRA, SM, DONG, X, DRACHENBERG, JL, DRAPER, JE, DUNLOP, JC, MAZUMDAR, MRD, IGO, G, EFIMOV, LG, ELHALHULI, E, ELNIMR, M, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, ESTIENNE, M, EUN, L, FACHINI, P, FATEMI, R, IORDANOVA, A, FEDORISIN, J, FERSCH, RG, FILIP, P, FINCH, E, FINE, V, FISYAK, Y, GAGLIARDI, CA, GANGADHARAN, DR, GANTI, MS, GARCIA-SOLIS, EJ, JACOBS, P, GEROMITSOS, A, GEURTS, F, GHAZIKHANIAN, V, GHOSH, P, GORBUNOV, YN, GORDON, A, GREBENYUK, O, JACOBS, WW, JAKL, P, JENA, C, JIN, F, BENEDOSSO, F, JONES, CL, JONES, PG, JOSEPH, J, JUDD, EG, KABANA, S, KAJIMOTO, K, KANG, K, KAPITAN, J, KAUDER, K, KEANE, D, BETANCOURT, MJ, KECHECHYAN, A, KETTLER, D, KIKOLA, DP, KIRYLUK, J, KISIEL, A, KLEIN, SR, KNOSPE, AG, KOCOLOSKI, A, KOETKE, DD, KOLLEGGER, T, BETTS, RR, KONZER, J, KOPYTINE, M, KORALT, I, KORSCH, W, KOTCHENDA, L, KOUCHPIL, V, KRAVTSOV, P, KRUEGER, K, KRUS, M, KUMAR, L, BHASIN, A, KURNADI, P, LAMONT, MAC, LANDGRAF, JM, LAPOINTE, S, LAURET, J, LEBEDEV, A, LEDNICKY, R, LEE, CH, LEE, JH, LEIGHT, W, BHATI, AK, LEVINE, MJ, LI, C, LI, L, LI, N, LI, W, LI, X, LI, Y, LI, Z, LIN, G, BICHSEL, H, and LINDENBAUM, SJ
Subjects: D+Au Collisions, Barrel Electromagnetic Calorimeter, Star, Fragmentation, Physics, Time Projection Chamber, Heavy-Ion Collisions, Distributions, High Energy Physics::Experiment, Leading Order, Hadron-Production, Nuclear Experiment
Abstract: We report a measurement of high-p(T) inclusive pi(0), eta, and direct photon production in p + p and d + Au collisions at root s(NN) = 200 GeV at midrapidity (0 < eta < 1). Photons from the decay pi(0) -> gamma gamma were detected in the barrel electromagnetic calorimeter of the STAR experiment at the Relativistic Heavy Ion Collider. The eta -> gamma gamma decay was also observed and constituted the first eta measurement by STAR. The first direct photon cross-section measurement by STAR is also presented; the signal was extracted statistically by subtracting the pi(0), eta, and omega(782) decay background from the inclusive photon distribution observed in the calorimeter. The analysis is described in detail, and the results are found to be in good agreement with earlier measurements and with next-to-leading-order perturbative QCD calculations.
Published: 2010

5. Measurement of D* mesons in jets from p plus p collisions at root s=200 GeV

Author: ABELEV, BI, AGGARWAL, MM, AHAMMED, Z, ANDERSON, BD, ARKHIPKIN, D, AVERICHEV, GS, BALEWSKI, J, BARANNIKOVA, O, BARNBY, LS, BAUDOT, J, BAUMGART, S, GHAZIKHANIAN, V, GHOSH, P, GORBUNOV, YN, GORDON, A, GREBENYUK, O, GROSNICK, D, GRUBE, B, GUERTIN, SM, GUIMARAES, KSFF, GUPTA, A, BEAVIS, DR, GUPTA, N, GURYN, W, HAAG, B, HALLMAN, TJ, HAMED, A, HARRIS, JW, HE, W, HEINZ, M, HEPPELMANN, S, HIPPOLYTE, B, BELLWIED, R, HIRSCH, A, HJORT, E, HOFFMAN, AM, HOFFMANN, GW, HOFMAN, DJ, HOLLIS, RS, HUANG, HZ, HUMANIC, TJ, IGO, G, IORDANOVA, A, BENEDOSSO, F, JACOBS, P, JACOBS, WW, JAKL, P, JENA, C, JIN, F, JONES, CL, JONES, PG, JOSEPH, J, JUDD, EG, KABANA, S, BETANCOURT, MJ, KAJIMOTO, K, KANG, K, KAPITAN, J, KEANE, D, KECHECHYAN, A, KETTLER, D, KHODYREV, VY, KIKOLA, DP, KIRYLUK, J, KISIEL, A, BETTS, RR, KLEIN, SR, KNOSPE, AG, KOCOLOSKI, A, KOETKE, DD, KOPYTINE, M, KORSCH, W, KOTCHENDA, L, KOUCHPIL, V, KRAVTSOV, P, KRAVTSOV, VI, BHASIN, A, KRUEGER, K, KRUS, M, KUHN, C, KUMAR, L, KURNADI, P, LAMONT, MAC, LANDGRAF, JM, LAPOINTE, S, LAURET, J, LEBEDEV, A, BHATI, AK, LEDNICKY, R, LEE, CH, LEE, JH, LEIGHT, W, LEVINE, MJ, LI, N, LI, C, LI, Y, LIN, G, LINDENBAUM, SJ, BICHSEL, H, LISA, MA, LIU, F, LIU, J, LIU, L, LJUBICIC, T, LLOPE, WJ, LONGACRE, RS, LOVE, WA, LU, Y, LUDLAM, T, BIELCIK, J, MA, GL, MA, YG, MAHAPATRA, DP, MAJKA, R, MALL, OI, MANGOTRA, LK, MANWEILER, R, MARGETIS, S, MARKERT, C, MATIS, HS, BIELCIKOVA, J, MATULENKO, YA, MCSHANE, TS, MESCHANIN, A, MILNER, R, MINAEV, NG, MIODUSZEWSKI, S, MISCHKE, A, MITCHELL, J, MOHANTY, B, MOROZOV, DA, BIRITZ, B, MUNHOZ, MG, NANDI, BK, NATTRASS, C, NAYAK, TK, NELSON, JM, NETRAKANTI, PK, NG, MJ, NOGACH, LV, NURUSHEV, SB, ODYNIEC, G, BLAND, LC, OGAWA, A, OKADA, H, OKOROKOV, V, OLSON, D, PACHR, M, PAGE, BS, PAL, SK, PANDIT, Y, PANEBRATSEV, Y, PAWLAK, T, BOMBARA, M, PEITZMANN, T, PEREVOZTCHIKOV, V, PERKINS, C, PERYT, W, PHATAK, SC, PLANINIC, M, PLUTA, J, POLJAK, N, POSKANZER, AM, POTUKUCHI, BVKS, BONNER, BE, PRINDLE, D, PRUNEAU, C, PRUTHI, NK, PUTSCHKE, J, RANIWALA, R, RANIWALA, S, RAY, RL, REDWINE, R, REED, R, RIDIGER, A, BOTJE, M, RITTER, HG, ROBERTS, JB, ROGACHEVSKIY, OV, ROMERO, JL, ROSE, A, ROY, C, RUAN, L, RUSSCHER, MJ, SAHOO, R, SAKREJDA, I, BOUCHET, J, SAKUMA, T, SALUR, S, SANDWEISS, J, SARSOUR, M, SCHAMBACH, J, SCHARENBERG, RP, SCHMITZ, N, SEGER, J, SELYUZHENKOV, I, SEYBOTH, P, BRAIDOT, E, SHABETAI, A, SHAHALIEV, E, SHAO, M, SHARMA, M, SHI, SS, SHI, XH, SICHTERMANN, EP, SIMON, F, SINGARAJU, RN, SKOBY, MJ, BRANDIN, AV, SMIRNOV, N, SNELLINGS, R, SORENSEN, P, SOWINSKI, J, SPINKA, HM, SRIVASTAVA, B, STADNIK, A, STANISLAUS, TDS, STASZAK, D, STRIKHANOV, M, BRUNA, E, STRINGFELLOW, B, SUAIDE, AAP, SUAREZ, MC, SUBBA, NL, SUMBERA, M, SUN, XM, SUN, Y, SUN, Z, SURROW, B, SYMONS, TJM, BUELTMANN, S, DE TOLEDO, AS, TAKAHASHI, J, TANG, AH, TANG, Z, TARNOWSKY, T, THEIN, D, THOMAS, JH, TIAN, J, TIMMINS, AR, TIMOSHENKO, S, BURTON, TP, TLUSTY, D, TOKAREV, M, TRAINOR, TA, TRAM, VN, TRATTNER, AL, TRENTALANGE, S, TRIBBLE, RE, TSAI, OD, ULERY, J, ULLRICH, T, BYSTERSKY, M, UNDERWOOD, DG, VAN BUREN, G, VAN LEEUWEN, M, MOLEN, AMV, VANFOSSEN, JA, VARMA, R, VASCONCELOS, GMS, VASILEVSKI, IM, VASILIEV, AN, VIDEBAEK, F, CAI, XZ, VIGDOR, SE, VIYOGI, YP, VOKAL, S, VOLOSHIN, SA, WADA, M, WAGGONER, WT, WALKER, M, WANG, F, WANG, G, WANG, JS, CAINES, H, WANG, Q, WANG, X, WANG, XL, WANG, Y, WEBB, G, WEBB, JC, WESTFALL, GD, WHITTEN, C, WIEMAN, H, WISSINK, SW, SANCHEZ, MCD, WITT, R, WU, Y, XIE, W, XU, N, XU, QH, XU, Y, XU, Z, YANG, Y, YEPES, P, YOO, IK, CATU, O, YUE, Q, ZAWISZA, M, ZBROSZCZYK, H, ZHAN, W, ZHANG, S, ZHANG, WM, ZHANG, XP, ZHANG, Y, ZHANG, ZP, ZHAO, Y, CEBRA, D, ZHONG, C, ZHOU, J, ZOULKARNEEV, R, ZOULKARNEEVA, Y, ZUO, JX, CENDEJAS, R, CERVANTES, MC, CHAJECKI, Z, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, CHEN, JH, CHEN, JY, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHOI, KE, CHRISTIE, W, CLARKE, RF, CODRINGTON, MJM, CORLISS, R, CORMIER, TM, COSENTINO, MR, CRAMER, JG, CRAWFORD, HJ, DAS, D, DASH, S, DAUGHERITY, M, DE SILVA, LC, DEDOVICH, TG, DEPHILLIPS, M, DEREVSCHIKOV, AA, DE SOUZA, RD, DIDENKO, L, DJAWOTHO, P, DOGRA, SM, DONG, X, DRACHENBERG, JL, DRAPER, JE, DU, F, DUNLOP, JC, MAZUMDAR, MRD, EDWARDS, WR, EFIMOV, LG, ELHALHULI, E, ELNIMR, M, EMELIANOV, V, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, ESTIENNE, M, EUN, L, FACHINI, P, FATEMI, R, FEDORISIN, J, FENG, A, FILIP, P, FINCH, E, FINE, V, FISYAK, Y, GAGLIARDI, CA, GAILLARD, L, GANGADHARAN, DR, GANTI, MS, GARCIA-SOLIS, EJ, GEROMITSOS, A, and GEURTS, F
Subjects: Z Decays, Physics, Heavy-Quark Production
Abstract: We report the measurement of charged D* mesons in inclusive jets produced in proton-proton collisions at a center-of-mass energy root s = 200 GeV with the STAR experiment at the Relativistic Heavy Ion Collider. For D* mesons with fractional momenta 0.2< z< 0.5 in inclusive jets with 11.5 GeV mean transverse energy, the production rate is found to be N(D*(+) + D*(-))/N(jet) = 0.015 +/- 0.008(stat) +/- 0.007(sys). This rate is consistent with perturbative QCD evaluation of gluon splitting into a pair of charm quarks and subsequent hadronization.
Published: 2009

6. Spin alignment measurements of the K*(0)(892) and phi(1020) vector mesons in heavy ion collisions at root S-NN=200 GeV

Author: ABELEV, BI, AGGARWAL, MM, AHAMMED, Z, ANDERSON, BD, ARKHIPKIN, D, AVERICHEV, GS, BAI, Y, BALEWSKI, J, BARANNIKOVA, O, BARNBY, LS, BAUDOT, J, GARCIA-SOLIS, E, GHAZIKHANIAN, V, GHOSH, P, GORBUNOV, YN, GORDON, A, GREBENYUK, O, GROSNICK, D, GRUBE, B, GUERTIN, SM, GUIMARAES, KSFF, BAUMGART, S, GUPTA, A, GUPTA, N, GURYN, W, HAAG, B, HALLMAN, TJ, HAMED, A, HARRIS, JW, HE, W, HEINZ, M, HEPPELMANN, S, BEAVIS, DR, HIPPOLYTE, B, HIRSCH, A, HOFFMAN, AM, HOFFMANN, GW, HOFMAN, DJ, HOLLIS, RS, HUANG, HZ, HUGHES, EW, HUMANIC, TJ, IGO, G, BELLWIED, R, IORDANOVA, A, JACOBS, P, JACOBS, WW, JAKL, P, JIN, F, JONES, PG, JUDD, EG, KABANA, S, KAJIMOTO, K, KANG, K, BENEDOSSO, F, KAPITAN, J, KAPLAN, M, KEANE, D, KECHECHYAN, A, KETTLER, D, KHODYREV, VY, KIRYLUK, J, KISIEL, A, KLEIN, SR, KNOSPE, AG, BETTS, RR, KOCOLOSKI, A, KOETKE, DD, KOLLEGGER, T, KOPYTINE, M, KOTCHENDA, L, KOUCHPIL, V, KRAVTSOV, P, KRAVTSOV, VI, KRUEGER, K, KUHN, C, BHARDWAJ, S, KUMAR, A, KUMAR, L, KURNADI, P, LAMONT, MAC, LANDGRAF, JM, LANGE, S, LAPOINTE, S, LAUE, F, LAURET, J, LEBEDEV, A, BHASIN, A, LEDNICKY, R, LEE, CH, LEVINE, MJ, LI, C, LI, Y, LIN, G, LIN, X, LINDENBAUM, SJ, LISA, MA, LIU, F, BHATI, AK, LIU, H, LIU, J, LIU, L, LJUBICIC, T, LLOPE, WJ, LONGACRE, RS, LOVE, WA, LU, Y, LUDLAM, T, LYNN, D, BICHSEL, H, MA, GL, MA, JG, MA, YG, MAHAPATRA, DP, MAJKA, R, MANGOTRA, LK, MANWEILER, R, MARGETIS, S, MARKERT, C, MATIS, HS, BIELCIK, J, MATULENKO, YA, MCSHANE, TS, MESCHANIN, A, MILLANE, J, MILLER, ML, MINAEV, NG, MIODUSZEWSKI, S, MISCHKE, A, MITCHELL, J, MOHANTY, B, BIELCIKOVA, J, MOROZOV, DA, MUNHOZ, MG, NANDI, BK, NATTRASS, C, NAYAK, TK, NELSON, JM, NEPALI, C, NETRAKANTI, PK, NG, MJ, NOGACH, LV, BIRITZ, B, NURUSHEV, SB, ODYNIEC, G, OGAWA, A, OKADA, H, OKOROKOV, V, OLSON, D, PACHR, M, PAL, SK, PANEBRATSEV, Y, PAWLAK, T, BLAND, LC, PEITZMANN, T, PEREVOZTCHIKOV, V, PERKINS, C, PERYT, W, PHATAK, SC, PLANINIC, M, PLUTA, J, POLJAK, N, PORILE, N, POSKANZER, AM, BOMBARA, M, POTEKHIN, M, POTUKUCHI, BVKS, PRINDLE, D, PRUNEAU, C, PRUTHI, NK, PUTSCHKE, J, QATTAN, IA, RANIWALA, R, RANIWALA, S, RAY, RL, BONNER, BE, RIDIGER, A, RITTER, HG, ROBERTS, JB, ROGACHEVSKIY, OV, ROMERO, JL, ROSE, A, ROY, C, RUAN, L, RUSSCHER, MJ, RYKOV, V, BOTJE, M, SAHOO, R, SAKREJDA, I, SAKUMA, T, SALUR, S, SANDWEISS, J, SARSOUR, M, SCHAMBACH, J, SCHARENBERG, RP, SCHMITZ, N, SEGER, J, BOUCHET, J, SELYUZHENKOV, I, SEYBOTH, P, SHABETAI, A, SHAHALIEV, E, SHAO, M, SHARMA, M, SHI, SS, SHI, XH, SICHTERMANN, EP, SIMON, F, BRAIDOT, E, SINGARAJU, RN, SKOBY, MJ, SMIRNOV, N, SNELLINGS, R, SORENSEN, P, SOWINSKI, J, SPINKA, HM, SRIVASTAVA, B, STADNIK, A, STANISLAUS, TDS, BRANDIN, AV, STASZAK, D, STOCK, R, STRIKHANOV, M, STRINGFELLOW, B, SUAIDE, AAP, SUAREZ, MC, SUBBA, NL, SUMBERA, M, SUN, XM, SUN, Z, BUELTMANN, S, SURROW, B, SYMONS, TJM, DE TOLEDO, AS, TAKAHASHI, J, TANG, AH, TANG, Z, TARNOWSKY, T, THEIN, D, THOMAS, JH, TIAN, J, BURTON, TP, TIMMINS, AR, TIMOSHENKO, S, TOKAREV, M, TRAINOR, TA, TRAM, VN, TRATTNER, AL, TRENTALANGE, S, TRIBBLE, RE, TSAI, OD, ULERY, J, BYSTERSKY, M, ULLRICH, T, UNDERWOOD, DG, VAN BUREN, G, VAN DER KOLK, N, VAN LEEUWEN, M, MOLEN, AMV, VARMA, R, VASCONCELOS, GMS, VASILEVSKI, IM, VASILIEV, AN, CAI, XZ, VIDEBAEK, F, VIGDOR, SE, VIYOGI, YP, VOKAL, S, VOLOSHIN, SA, WADA, M, WAGGONER, WT, WANG, F, WANG, G, WANG, JS, CAINES, H, WANG, Q, WANG, X, WANG, XL, WANG, Y, WEBB, JC, WESTFALL, GD, WHITTEN, C, WIEMAN, H, WISSINK, SW, WITT, R, SANCHEZ, MCD, WU, J, WU, Y, XU, N, XU, QH, XU, Z, YEPES, P, YOO, IK, YUE, Q, ZAWISZA, M, ZBROSZCZYK, H, CALLNER, J, ZHAN, W, ZHANG, H, ZHANG, S, ZHANG, WM, ZHANG, Y, ZHANG, ZP, ZHAO, Y, ZHONG, C, ZHOU, J, ZOULKARNEEV, R, CATU, O, ZOULKARNEEVA, Y, ZUO, JX, CEBRA, D, CENDEJAS, R, CERVANTES, MC, CHAJECKI, Z, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, CHEN, JH, CHEN, JY, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHOI, KE, CHRISTIE, W, CHUNG, SU, CLARKE, RF, CODRINGTON, MJM, COFFIN, JP, CORMIER, TM, COSENTINO, MR, CRAMER, JG, CRAWFORD, HJ, DAS, D, DASH, S, DAUGHERITY, M, DE MOURA, MM, DEDOVICH, TG, DEPHILLIPS, M, DEREVSCHIKOV, AA, DE SOUZA, RD, DIDENKO, L, DIETEL, T, DJAWOTHO, P, DOGRA, SM, DONG, X, DRACHENBERG, JL, DRAPER, JE, DU, F, DUNLOP, JC, MAZUMDAR, MRD, EDWARDS, WR, EFIMOV, LG, ELHALHULI, E, ELNIMR, M, EMELIANOV, V, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, ESTIENNE, M, EUN, L, FACHINI, P, FATEMI, R, FEDORISIN, J, FENG, A, FILIP, P, FINCH, E, FINE, V, FISYAK, Y, GAGLIARDI, CA, GAILLARD, L, GANGADHARAN, DR, and GANTI, MS
Subjects: Physics, Nuclear, Z(0) Decays, Quark-Gluon Plasma, Hyperon Polarization, Magnetic-Moment, High Energy Physics::Experiment, K&P Interactions, Protons, Hadron-Production, Signature, Pp, Nuclear Experiment, High-Energies
Abstract: We present the first spin alignment measurements for the K*(0)(892) and phi(1020) vector mesons produced at midrapidity with transverse momenta up to 5 GeV/c at root s(NN) = 200 GeV at RHIC. The diagonal spin-density matrix elements with respect to the reaction plane in Au+Au collisions are rho(00) = 0.32 +/- 0.04 (stat) +/- 0.09 (syst) for the K*(0) (0.8 < p(T) < 5.0 GeV/c) and rho(00) = 0.34 +/- 0.02 (stat) +/- 0.03 (syst) for the phi (0.4 < p(T) < 5.0 GeV/c) and are constant with transverse momentum and collision centrality. The data are consistent with the unpolarized expectation of 1/3 and thus no evidence is found for the transfer of the orbital angular momentum of the colliding system to the vector-meson spins. Spin alignments for K-*0 and phi in Au+Au collisions were also measured with respect to the particle's production plane. The phi result, rho(00) = 0.41 +/- 0.02 (stat) +/- 0.04 (syst), is consistent with that in p+p collisions, rho(00) = 0.39 +/- 0.03 (stat) +/- 0.06 (syst), also measured in this work. The measurements thus constrain the possible size of polarization phenomena in the production dynamics of vector mesons.
Published: 2008

7. Longitudinal double-spin asymmetry for inclusive jet production in (p)over-right-arrow + (p)over-right-arrow collisions at root s=200 GeV

Author: ABELEV, BI, AGGARWAL, MM, AHAMMED, Z, ANDERSON, BD, ARKHIPKIN, D, AVERICHEV, GS, BAI, Y, BALEWSKI, J, BARANNIKOVA, O, BARNBY, LS, BAUDOT, J, BAUMGART, S, BELAGA, VV, BELLINGERI-LAURIKAINEN, A, BELLWIED, R, BENEDOSSO, F, BETTS, RR, BHARDWAJ, S, BHASIN, A, BHATI, AK, BICHSEL, H, BIELCIK, J, BIELCIKOVA, J, BLAND, LC, BLYTH, SL, BOMBARA, M, BONNER, BE, BOTJE, M, BOUCHET, J, BRANDIN, AV, BURTON, TP, BYSTERSKY, M, CAI, XZ, CAINES, H, SANCHEZ, MCDLB, CALLNER, J, CATU, O, CEBRA, D, CERVANTES, MC, CHAJECKI, Z, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, CHEN, JH, CHEN, JY, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHRISTIE, W, CHUNG, SU, CLARKE, RF, CODRINGTON, MJM, COFFIN, JP, CORMIER, TM, COSENTINO, MR, CRAMER, JG, CRAWFORD, HJ, DAS, D, DASH, S, DAUGHERITY, M, DE MOURA, MM, DEDOVICH, TG, DEPHILLIPS, M, DEREVSCHIKOV, AA, DIDENKO, L, DIETEL, T, DJAWOTHO, P, DOGRA, SM, DONG, X, DRACHENBERG, JL, DRAPER, JE, DU, F, DUNIN, VB, DUNLOP, JC, MAZUMDAR, MRD, EDWARDS, WR, EFIMOV, LG, ELHALHULI, E, EMELIANOV, V, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, ESTIENNE, M, FACHINI, P, FATEMI, R, FEDORISIN, J, FENG, A, FILIP, P, FINCH, E, FINE, V, FISYAK, Y, FU, J, GAGLIARDI, CA, GAILLARD, L, GANTI, MS, GARCIA-SOLIS, E, GHAZIKHANIAN, V, GHOSH, P, GORBUNOV, YN, GOS, H, GREBENYUK, O, GROSNICK, D, GRUBE, B, GUERTIN, SM, GUIMARAES, KSFF, GUPTA, A, GUPTA, N, HAAG, B, HALLMAN, TJ, HAMED, A, HARRIS, JW, HE, W, HEINZ, M, HENRY, TW, HEPPELMANN, S, HIPPOLYTE, B, HIRSCH, A, HJORT, E, HOFFMAN, AM, HOFFMANN, GW, HOFMAN, DJ, HOLLIS, RS, HORNER, MJ, HUANG, HZ, HUGHES, EW, HUMANIC, TJ, IGO, G, IORDANOVA, A, JACOBS, P, JACOBS, WW, JAKL, P, JONES, PG, JUDD, EG, KABANA, S, KANG, K, KAPITAN, J, KAPLAN, M, KEANE, D, KECHECHYAN, A, KETTLER, D, KHODYREV, VY, KIRYLUK, J, KISIEL, A, KISLOV, EM, KLEIN, SR, KNOSPE, AG, KOCOLOSKI, A, KOETKE, DD, KOLLEGGER, T, KOPYTINE, M, KOTCHENDA, L, KOUCHPIL, V, KOWALIK, KL, KRAVTSOV, P, KRAVTSOV, VI, KRUEGER, K, KUHN, C, KULIKOV, AI, KUMAR, A, KURNADI, P, KUZNETSOV, AA, LAMONT, MAC, LANDGRAF, JM, LANGE, S, LAPOINTE, S, LAUE, F, LAURET, J, LEBEDEV, A, LEDNICKY, R, LEE, CH, LEHOCKA, S, LEVINE, MJ, LI, C, LI, Q, LI, Y, LIN, G, LIN, X, LINDENBAUM, SJ, LISA, MA, LIU, F, LIU, H, LIU, J, LIU, L, LJUBICIC, T, LLOPE, WJ, LONGACRE, RS, LOVE, WA, LU, Y, LUDLAM, T, LYNN, D, MA, GL, MA, JG, MA, YG, MAHAPATRA, DP, MAJKA, R, MANGOTRA, LK, MANWEILER, R, MARGETIS, S, MARKERT, C, MARTIN, L, MATIS, HS, MATULENKO, YA, MCSHANE, TS, MESCHANIN, A, MILLANE, J, MILLER, ML, MINAEV, NG, MIODUSZEWSKI, S, MISCHKE, A, MITCHELL, J, MOHANTY, B, MOROZOV, DA, MUNHOZ, MG, NANDI, BK, NATTRASS, C, NAYAK, TK, NELSON, JM, NEPALI, C, NETRAKANTI, PK, NOGACH, LV, NURUSHEV, SB, ODYNIEC, G, OGAWA, A, OKOROKOV, V, OLSON, D, PACHR, M, PAL, SK, PANEBRATSEV, Y, PAVLINOV, AI, PAWLAK, T, PEITZMANN, T, PEREVOZTCHIKOV, V, PERKINS, C, PERYT, W, PHATAK, SC, PLANINIC, M, PLUTA, J, POLJAK, N, PORILE, N, POSKANZER, AM, POTEKHIN, M, POTREBENIKOVA, E, POTUKUCHI, BVKS, PRINDLE, D, PRUNEAU, C, PRUTHI, NK, PUTSCHKE, J, QATTAN, IA, RANIWALA, R, RANIWALA, S, RAY, RL, RELYEA, D, RIDIGER, A, RITTER, HG, ROBERTS, JB, ROGACHEVSKIY, OV, ROMERO, JL, ROSE, A, ROY, C, RUAN, L, RUSSCHER, MJ, SAHOO, R, SAKREJDA, I, SAKUMA, T, SALUR, S, SANDWEISS, J, SARSOUR, M, SAZHIN, PS, SCHAMBACH, J, SCHARENBERG, RP, SCHMITZ, N, SEGER, J, SELYUZHENKOV, I, SEYBOTH, P, SHABETAI, A, SHAHALIEV, E, SHAO, M, SHARMA, M, SHEN, WQ, SHIMANSKIY, SS, SICHTERMANN, EP, SIMON, F, SINGARAJU, RN, SKOBY, MJ, SMIRNOV, N, SNELLINGS, R, SORENSEN, P, SOWINSKI, J, SPELTZ, J, SPINKA, HM, SRIVASTAVA, B, STADNIK, A, STANISLAUS, TDS, STASZAK, D, STOCK, R, STRIKHANOV, M, STRINGFELLOW, B, SUAIDE, AAP, SUAREZ, MC, SUBBA, NL, SUMBERA, M, SUN, XM, SUN, Z, SURROW, B, SYMONS, TJM, DE TOLEDO, AS, TAKAHASHI, J, TANG, AH, TARNOWSKY, T, THOMAS, JH, TIMMINS, AR, TIMOSHENKO, S, TOKAREV, M, TRAINOR, TA, TRAM, VN, TRENTALANGE, S, TRIBBLE, RE, TSAI, OD, ULERY, J, ULLRICH, T, UNDERWOOD, DG, VAN BUREN, G, VAN DER KOLK, N, VAN LEEUWEN, M, MOLEN, AMV, VARMA, R, VASILEVSKI, IM, VASILIEV, AN, VERNET, R, VIGDOR, SE, VIYOGI, YP, VOKAL, S, VOLOSHIN, SA, WADA, M, WAGGONER, WT, WANG, F, WANG, G, WANG, JS, WANG, XL, WANG, Y, WEBB, JC, WESTFALL, GD, WHITTEN, C, WIEMAN, H, WISSINK, SW, WITT, R, WU, J, WU, Y, XU, N, XU, QH, XU, Z, YEPES, P, YOO, IK, YUE, Q, YUREVICH, VI, ZAWISZA, M, ZHAN, W, ZHANG, H, ZHANG, WM, ZHANG, Y, ZHANG, ZP, ZHAO, Y, ZHONG, C, ZHOU, J, ZOULKARNEEV, R, ZOULKARNEEVA, Y, ZUBAREV, AN, and ZUO, JX
Subjects: Photoproduction, Pair, Nuclear Theory, Physics, Multidisciplinary, High Energy Physics::Experiment, Polarized Protons, Nuclear Experiment, Nucleon
Abstract: We report a new STAR measurement of the longitudinal double-spin asymmetry A(LL) for inclusive jet production at midrapidity in polarized p+p collisions at a center-of-mass energy of root s = 200 GeV. The data, which cover jet transverse momenta 5 < p(T) < 30 GeV/c, are substantially more precise than previous measurements. They provide significant new constraints on the gluon spin contribution to the nucleon spin through the comparison to predictions derived from one global fit to polarized deep-inelastic scattering measurements. They provide significant new constraints on the gluon spin contribution to the nucleon spin through the comparison to predictions derived from one global fit to polarized deep-inelastic scattering measurements.
Published: 2008

8. Centrality dependence of charged hadron and strange hadron elliptic flow from root s(NN)=200 GeVAu+Au collisions

Author: ABELEV, BI, AGGARWAL, MM, AHAMMED, Z, ANDERSON, BD, ARKHIPKIN, D, AVERICHEV, GS, BAI, Y, BALEWSKI, J, BARANNIKOVA, O, BARNBY, LS, BAUDOT, J, GREBENYUK, O, GROSNICK, D, GRUBE, B, GUERTIN, SM, GUPTA, A, GUPTA, N, GURYN, W, HAAG, B, HALLMAN, TJ, HAMED, A, BAUMGART, S, HARRIS, JW, HE, W, HEINZ, M, HEPPELMANN, S, HIPPOLYTE, B, HIRSCH, A, HOFFMAN, AM, HOFFMANN, GW, HOFMAN, DJ, HOLLIS, RS, BEAVIS, DR, HUANG, HZ, HUGHES, EW, HUMANIC, TJ, LGO, G, IORDANOVA, A, JACOBS, P, JACOBS, WW, JAKL, P, JIN, F, JONES, PG, BELLWIED, R, JUDD, EG, KABANA, S, KAJIMOTO, K, KANG, K, KAPITAN, J, KAPLAN, M, KEANE, D, KECHECHYAN, A, KETTLER, D, KHODYREV, VY, BENEDOSSO, F, KIRYLUK, J, KISIEL, A, KLEIN, SR, KNOSPE, AG, KOCOLOSKI, A, KOETKE, DD, KOLLEGGER, T, KOPYTINE, M, KOTCHENDA, L, KOUCHPIL, V, BETTS, RR, KRAVTSOV, P, KRAVTSOV, V, KRUEGER, K, KUHN, C, KUMAR, A, KUMAR, L, KURNADI, P, LAMONT, MAC, LANDGRAF, JM, LANGE, S, BHARDWAJ, S, LAPOINTE, S, LAUE, F, LAURET, J, LEBEDEV, A, LEDNICKY, R, LEE, CH, LEVINE, MJ, LI, C, LI, Y, LIN, G, BHASIN, A, LIN, X, LINDENBAUM, SJ, LISA, MA, LIU, F, LIU, H, LIU, J, LIU, L, LJUBICIC, T, LLOPE, WJ, LONGACRE, RS, BHATI, AK, LOVE, WA, LU, Y, LUDLAM, T, LYNN, D, MA, GL, MA, JG, MA, YG, MAHAPATRA, DP, MAJKA, R, MANGOTRA, LK, BICHSEL, H, MANWEILER, R, MARGETIS, S, MARKERT, C, MATIS, HS, MATULENKO, YA, MCSHANE, TS, MESCHANIN, A, MILLANE, J, MILLER, ML, MINAEV, NG, BIELCIK, J, MIODUSZEWSKI, S, MISCHKE, A, MITCHELL, J, MOHANTY, B, MOROZOV, DA, MUNHOZ, MG, NANDI, BK, NATTRASS, C, NAYAK, TK, NELSON, JM, BIELCIKOVA, J, NEPALI, C, NETRAKANTI, PK, NG, MJ, NOGACH, LV, NURUSHEV, SB, ODYNIEC, G, OGAWA, A, OKADA, H, OKOROKOV, V, OLDENBURG, M, BLAND, LC, OLSON, D, PACHR, M, PAL, SK, PANEBRATSEV, Y, PAWLAK, T, PEITZMANN, T, PEREVOZTCHIKOV, V, PERKINS, C, PERYT, W, PHATAK, SC, BOMBARA, M, PLANINIC, M, PLUTA, J, POLJAK, N, PORILE, N, POSKANZER, AM, POTEKHIN, M, POTUKUCHI, BVKS, PRINDLE, D, PRUNEAU, C, PRUTHI, NK, BONNER, BE, PUTSCHKE, J, QATTAN, IA, RANIWALA, R, RANIWALA, S, RAY, RL, RELYEA, D, RIDIGER, A, RITTER, HG, ROBERTS, JB, ROGACHEVSKIY, OV, BOTJE, M, ROMERO, JL, ROSE, A, ROY, C, RUAN, L, RUSSCHER, MJ, RYKOV, V, SAHOO, R, SAKREJDA, I, SAKUMA, T, SALUR, S, BRAIDOT, E, SANDWEISS, J, SARSOUR, M, SCHAMBACH, J, SCHARENBERG, RP, SCHMITZ, N, SCHWEDA, K, SEGER, J, SELYUZHENKOV, I, SEYBOTH, P, SHABETAI, A, BRANDIN, AV, SHAHALIEV, E, SHAO, M, SHARMA, M, SHI, SS, SHI, XH, SICHTERMANN, EP, SIMON, F, SINGARAJU, RN, SKOBY, MJ, SMIRNOV, N, BUELTMANN, S, SNELLINGS, R, SORENSEN, P, SOWINSKI, J, SPINKA, HM, SRIVASTAVA, B, STADNIK, A, STANISLAUS, TDS, STASZAK, D, STOCK, R, STRIKHANOV, M, BURTON, TP, STRINGFELLOW, B, SUAIDE, AAP, SUAREZ, MC, SUBBA, NL, SUMBERA, M, SUN, XM, SUN, Z, SURROW, B, SYMONS, TJM, DE TOLEDO, AS, BYSTERSKY, M, TAKAHASHI, J, TANG, AH, TANG, Z, TARNOWSKY, T, THEIN, D, THOMAS, JH, TIAN, J, TIMMINS, AR, TIMOSHENKO, S, TOKAREV, M, CAI, XZ, TRAM, VN, TRATMER, AL, TRENTALANGE, S, TRIBBLE, RE, TSAI, OD, ULERY, J, ULLRICH, T, UNDERWOOD, DG, VAN BUREN, G, VAN DER KOLK, N, CAINES, H, VAN LEEUWEN, M, MOLEN, AMV, VARMA, R, VASCONCELOS, GMS, VASILEVSKI, IM, VASILIEV, AN, VIDEBAEK, F, VIGDOR, SE, VIYOGI, YP, VOKAL, S, SANCHEZ, MCD, VOLOSHIN, SA, WADA, M, WAGGONER, WT, WANG, F, WANG, G, WANG, JS, WANG, Q, WANG, X, WANG, XL, WANG, Y, CALLNER, J, WEBB, JC, WESTFALL, GD, WHITTEN, C, WIEMAN, H, WISSINK, SW, WITT, R, WU, J, WU, Y, XU, N, XU, QH, CATU, O, XU, Z, YEPES, P, YOO, IK, YUE, Q, ZAWISZA, M, ZBROSZCZYK, H, ZHAN, W, ZHANG, H, ZHANG, S, ZHANG, WM, CEBRA, D, ZHANG, Y, ZHANG, ZP, ZHAO, Y, ZHONG, C, ZHOU, J, ZOULKAMEEV, R, ZOULKARNEEVA, Y, ZUO, JX, CERVANTES, MC, CHAJECKI, Z, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, CHEN, JH, CHEN, JY, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHOI, KE, CHRISTIE, W, CHUNG, SU, CLARKE, RF, CODRINGTON, MJM, COFFIN, JP, CORMIER, TM, COSENTINO, MR, CRAMER, JG, CRAWFORD, HJ, DAS, D, DASH, S, DAUGHERITY, M, DE MOURA, MM, DEDOVICH, TG, DEPHILLIPS, M, DEREVSCHIKOV, AA, DE SOUZA, RD, DIDENKO, L, DIETEL, T, DJAWOTHO, P, DOGRA, SM, DONG, X, DRACHENBERG, JL, DRAPER, JE, DU, F, DUNLOP, JC, MAZUMDAR, MRD, EDWARDS, WR, EFIMOV, LG, ELHALHULI, E, EMELIANOV, V, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, ESTIENNE, M, EUN, L, FACHINI, P, FATEMI, R, FEDORISIN, J, FENG, A, FILIP, P, FINCH, E, FINE, V, FISYAK, Y, GAGLIARDI, CA, GAILLARD, L, GANTI, MS, GARCIA-SOLIS, E, GHAZIKHANIAN, V, GHOSH, R, GORBUNOV, YN, and GORDON, A
Subjects: Expansion, Energy, Nuclear Theory, Lee-Yang Zeros, Relativistic Nuclear Collisions, Collective Flow, Signature, Collaboration, Anisotropic Flow, Physics, Nuclear, Quark-Gluon Plasma, High Energy Physics::Experiment, Phase-Transition, Nuclear Experiment
Abstract: We present STAR results on the elliptic flow upsilon(2) Of charged hadrons, strange and multistrange particles from,root s(NN) = 200 GeV Au+Au collisions at the BNL Relativistic Heavy Ion Collider (RHIC). The detailed study of the centrality dependence of upsilon(2) over a broad transverse momentum range is presented. Comparisons of different analysis methods are made in order to estimate systematic uncertainties. To discuss the nonflow effect, we have performed the first analysis Of upsilon(2) with the Lee-Yang zero method for K-S(0) and A. In the relatively low PT region, P-T
Published: 2008

9. Scaling properties of hyperon production in Au+Au collisions at root s(NN)=200 GeV

Author: ADAMS, J, AGGARWAL, MM, AHAMMED, Z, AMONETT, J, ANDERSON, BD, ANDERSON, M, ARKHIPKIN, D, AVERICHEV, GS, BAI, Y, BALEWSKI, J, BARANNIKOVA, O, BARNBY, LS, BAUDOT, J, BEKELE, S, BELAGA, VV, BELLINGERI-LAURIKAINEN, A, BELLWIED, R, BEZVERKHNY, BI, BHARDWAJ, S, BHASIN, A, BHATI, AK, BICHSEL, H, BIELCIK, J, BIELCIKOVA, J, BLAND, LC, BLYTH, CO, BLYTH, SL, BONNER, BE, BOTJE, M, BOUCHET, J, BRANDIN, AV, BRAVAR, A, BYSTERSKY, M, CADMAN, RV, CAI, XZ, CAINES, H, SANCHEZ, MCD, CASTILLO, J, CATU, O, CEBRA, D, CHAJECKI, Z, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, CHEN, JH, CHEN, Y, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHOI, HA, CHRISTIE, W, COFFIN, JP, CORMIER, TM, COSENTINO, MR, CRAMER, JG, CRAWFORD, HJ, DAS, D, DAS, S, DAUGHERITY, M, DE MOURA, MM, DEDOVICH, TG, DEPHILLIPS, M, DEREVSCHIKOV, AA, DIDENKO, L, DIETEL, T, DJAWOTHO, P, DOGRA, SM, DONG, WJ, DONG, X, DRAPER, JE, DU, F, DUNIN, VB, DUNLOP, JC, MAZUMDAR, MRD, ECKARDT, V, EDWARDS, WR, EFIMOV, LG, EMELIANOV, V, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, ESTIENNE, M, FACHINI, P, FATEMI, R, FEDORISIN, J, FILIMONOV, K, FILIP, P, FINCH, E, FINE, V, FISYAK, Y, FU, J, GAGLIARDI, CA, GAILLARD, L, GANS, J, GANTI, MS, GHAZIKHANIAN, V, GHOSH, P, GONZALEZ, JE, GORBUNOV, YG, GOS, H, GREBENYUK, O, GROSNICK, D, GUERTIN, SM, GUIMARAES, KSFF, GUO, Y, GUPTA, N, GUTIERREZ, TD, HAAG, B, HALLMAN, TJ, HAMED, A, HARRIS, JW, HE, W, HEINZ, M, HENRY, TW, HEPPLEMANN, S, HIPPOLYTE, B, HIRSCH, A, HJORT, E, HOFFMANN, GW, HORNER, MJ, HUANG, HZ, HUANG, SL, HUGHES, EW, HUMANIC, TJ, IGO, G, JACOBS, P, JACOBS, WW, JAKL, P, JIA, F, JIANG, H, JONES, PG, JUDD, EG, KABANA, S, KANG, K, KAPITAN, J, KAPLAN, M, KEANE, D, KECHECHYAN, A, KHODYREV, VY, KIM, BC, KIRYLUK, J, KISIEL, A, KISLOV, EM, KLEIN, SR, KOETKE, DD, KOLLEGGER, T, KOPYTINE, M, KOTCHENDA, L, KOUCHPIL, V, KOWALIK, KL, KRAMER, M, KRAVTSOV, P, KRAVTSOV, VI, KRUEGER, K, KUHN, C, KULIKOV, AI, KUMAR, A, KUZNETSOV, AA, LAMONT, MAC, LANDGRAF, JM, LANGE, S, LAPOINTE, S, LAUE, F, LAURET, J, LEBEDEV, A, LEDNICKY, R, LEE, CH, 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, 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, MAHAPATRA, DP, MAJKA, R, MANGOTRA, LK, MANWEILER, R, MARGETIS, S, MARKERT, C, MARTIN, L, MATIS, HS, MATULENKO, YA, MCCLAIN, CJ, MCSHANE, TS, MELNICK, Y, MESCHANIN, A, MILLER, ML, MINAEV, NG, MIODUSZEWSKI, S, MIRONOV, C, MISCHKE, A, MISHRA, DK, MITCHELL, J, MOHANTY, B, MOLNAR, L, MOORE, CF, MOROZOV, DA, MUNHOZ, MG, NANDI, BK, NATTRASS, C, NAYAK, TK, NELSON, JM, NETRAKANTI, PK, NIKITIN, VA, NOGACH, LV, NURUSHEV, SB, ODYNIEC, G, OGAWA, A, OKOROKOV, V, OLDENBURG, M, OLSON, D, PACHR, M, 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, POLJAK, N, PORILE, N, PORTER, J, POSKANZER, AM, POTEKHIN, M, POTREBENIKOVA, E, POTUKUCHI, BVKS, PRINDLE, D, PRUNEAU, C, PUTSCHKE, J, RAKNESS, G, RANIWALA, R, RANIWALA, S, RAY, RL, RAZIN, SV, REINNARTH, J, RELYEA, D, 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, SAZHIN, PS, SCHAMBACH, J, SCHARENBERG, RP, SCHMITZ, N, SCHWEDA, K, SEGER, J, SELYUZHENKOV, I, SEYBOTH, P, SHABETAI, A, SHAHALIEV, E, SHAO, M, SHARMA, M, SHEN, WQ, 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, SUMBERA, M, SUN, Z, SURROW, B, SWANGER, M, SYMONS, TJM, DE TOLEDO, AS, TAI, A, TAKAHASHI, J, TANG, AH, TARNOWSKY, T, THEIN, D, THOMAS, JH, TIMMINS, AR, TIMOSHENKO, S, TOKAREV, M, TRAINOR, TA, TRENTALANGE, S, TRIBBLE, RE, TSAI, OD, ULERY, J, ULLRICH, T, UNDERWOOD, DG, VAN BUREN, G, VAN DER KOLK, N, VAN LEEUWEN, M, VANDER MOLEN, AM, VARMA, R, VASILEVSKI, IM, VASILIEV, AN, VERNET, R, VIGDOR, SE, VIYOGI, YP, VOKAL, S, VOLOSHIN, SA, WAGGONER, WT, WANG, F, WANG, G, WANG, JS, WANG, XL, WANG, Y, WATSON, JW, WEBB, JC, WESTFALL, GD, WETZLER, A, WHITTEN, C, WIEMAN, H, WISSINK, SW, WITT, R, WOOD, J, WU, J, XU, N, XU, QH, XU, Z, YEPES, P, YOO, IK, YUREVICH, VI, ZHAN, W, ZHANG, H, ZHANG, WM, ZHANG, Y, ZHANG, ZP, ZHAO, Y, ZHONG, C, ZOULKARNEEV, R, ZOULKARNEEVA, Y, ZUBAREV, AN, and ZUO, JX
Subjects: System-Size Dependence, Au Collisions, Strangeness Enhancement, Physics, Multidisciplinary, Nuclear Theory, Rapidity, system-size dependence, pb-pb collisions, hadron-production, strangeness enhancement, au collisions, rapidity, Statistical Hadronization, High Energy Physics::Experiment, Pb-Pb Collisions, Hadron-Production, Nuclear Experiment
Abstract: We present the scaling properties of Lambda, Xi, and Omega in midrapidity Au+Au collisions at the Brookhaven National Laboratory Relativistic Heavy Ion Collider at root s(NN)=200 GeV. The yield of multistrange baryons per participant nucleon increases from peripheral to central collisions more rapidly than that of Lambda, indicating an increase of the strange-quark density of the matter produced. The strange phase-space occupancy factor gamma(s) approaches unity for the most central collisions. Moreover, the nuclear modification factors of p, Lambda, and Xi are consistent with each other for 2 < p(T) < 5 GeV/c in agreement with a scenario of hadron formation from constituent quark degrees of freedom.
Published: 2007

10. Strange particle production in p+p collisions at root s=200 GeV

Author: ABELEV, BI, ADAMS, J, AGGARWAL, MM, AHAMMED, Z, AMONETT, J, ANDERSON, BD, ANDERSON, M, ARKHIPKIN, D, AVERICHEV, GS, BAI, Y, BALEWSKI, J, RAKNESS, G, RANIWALA, R, RANIWALA, S, RAY, RL, RAZIN, SV, BLYTH, SL, REINNARTH, J, RELYEA, D, RETIERE, F, HARRIS, JW, LJUBICIC, T, RIDIGER, A, RITTER, HG, ROBERTS, JB, ROGACHEVSKIY, OV, ROMERO, JL, ROSE, A, ROY, C, BONNER, BE, RUAN, L, RUSSCHER, MJ, LLOPE, WJ, HE, W, SAHOO, R, SAKUMA, T, SALUR, S, SANDWEISS, J, SARSOUR, M, SAZHIN, PS, SCHAMBACH, J, SCHARENBERG, RP, BOTJE, M, LONG, H, SCHMITZ, N, BARANNIKOVA, O, SCHWEDA, K, SEGER, J, SELYUZHENKOV, I, SEYBOTH, P, SHABETAI, A, SHAHALIEV, E, SHAO, M, SHARMA, M, LONGACRE, RS, SHEN, WQ, BOUCHET, J, HEINZ, M, SHIMANSKIY, SS, SICHTERMANN, E, SIMON, F, SINGARAJU, RN, SMIRNOV, N, SNELLINGS, R, SOOD, G, LOVE, WA, SORENSEN, P, SOWINSKI, J, SPELTZ, J, HENRY, TW, BRANDIN, AV, SPINKA, HM, SRIVASTAVA, B, STADNIK, A, STANISLAUS, TDS, STOCK, R, LU, Y, STOLPOVSKY, A, STRIKHANOV, M, STRINGFELLOW, B, SUAIDE, AAP, HEPPLEMANN, S, SUGARBAKER, E, BRAVAR, A, SUMBERA, M, SUN, Z, SURROW, B, LUDLAM, T, SWANGER, M, SYMONS, TJM, DE TOLEDO, AS, TAI, A, TAKAHASHI, J, HIPPOLYTE, B, TANG, AH, TARNOWSKY, T, BURTON, TP, THEIN, D, LYNN, D, THOMAS, JH, TIMMINS, AR, TIMOSHENKO, S, TOKAREV, M, TRAINOR, TA, TRENTALANGE, S, HIRSCH, A, TRIBBLE, RE, TSAI, OD, ULERY, J, MA, GL, BYSTERSKY, M, ULLRICH, T, UNDERWOOD, DG, VAN BUREN, G, VAN DER KOLK, N, VAN LEEUWEN, M, VANDER MOLEN, AM, HJORT, E, VARMA, R, VASILEVSKI, IM, BHARDWAJ, S, VASILIEV, AN, VERNET, R, CADMAN, RV, VIGDOR, SE, VIYOGI, VP, VOKAL, S, VOLOSHIN, SA, WAGGONER, WT, HOFFMAN, AM, WANG, F, GROSNICK, D, WANG, G, WANG, JS, WANG, XL, WANG, Y, CAI, XZ, WATSON, JW, WEBB, JC, WESTFALL, GD, WETZLER, A, HOFFMANN, GW, MA, JG, WHITTEN, C, WIEMAN, H, WISSINK, SW, WITT, R, WOOD, J, WU, J, CAINES, H, XU, N, XU, QH, XU, Z, MA, YG, HORNER, MJ, YEPES, P, YOO, IK, YUREVICH, VI, ZHAN, W, ZHANG, H, ZHANG, WM, ZHANG, Y, SANCHEZ, MCD, ZHANG, ZP, MAGESTRO, D, ZHAO, Y, HUANG, HZ, ZHONG, C, ZOULKARNEEV, R, ZOULKARNEEVA, Y, ZUBAREV, AN, ZUO, JX, CASTILLO, J, CATU, O, CEBRA, D, MAHAPATRA, DP, CHAJECKI, Z, CHALOUPKA, P, BARNBY, LS, CHATTOPADHYAY, S, CHEN, HF, CHEN, JH, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHRISTIE, W, MAJKA, R, COFFIN, JP, CORMIER, TM, COSENTINO, MR, HUANG, SL, CRAMER, JG, CRAWFORD, HJ, DAS, D, DAS, S, DASH, S, DAUGHERITY, M, MANGOTRA, LK, DE MOURA, MM, DEDOVICH, TG, DEPHILLIPS, M, DEREVSCHIKOV, AA, HUGHES, EW, DIDENKO, L, DIETEL, T, DJAWOTHO, P, DOGRA, SM, DONG, WJ, MANWEILER, R, DONG, X, DRAPER, JE, DU, F, DUNIN, VB, DUNLOP, JC, HUMANIC, TJ, MAZUMDAR, MRD, ECKARDT, V, EDWARDS, WR, EFIMOV, LG, MARGETIS, S, EMELIANOV, V, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, ESTIENNE, M, FACHINI, P, IGO, G, FATEMI, R, FEDORISIN, J, FILIMONOV, K, MARKERT, C, FILIP, P, FINCH, E, FINE, V, FISYAK, Y, FU, J, GAGLIARDI, CA, GAILLARD, L, JACOBS, P, GANTI, MS, GHAZIKHANIAN, V, MARTIN, L, GHOSH, P, GONZALEZ, JE, GORBUNOV, YG, GOS, H, GREBENYUK, O, JACOBS, WW, JAKL, P, JIA, F, JIANG, H, JONES, PG, GUERTIN, SM, BAUDOT, J, JUDD, EG, KABANA, S, KANG, K, KAPITAN, J, KAPLAN, M, KEANE, D, KECHECHYAN, A, KHODYREV, VY, KIM, BC, BHASIN, A, KIRYLUK, J, BEKELE, S, KISIEL, A, KISLOV, EM, KLEIN, SR, KOCOLOSKI, A, KOETKE, DD, KOLLEGGER, T, KOPYTINE, M, KOTCHENDA, L, MATIS, HS, KOUCHPIL, V, KOWALIK, KL, BELAGA, VV, KRAMER, M, KRAVTSOV, P, KRAVTSOV, VI, KRUEGER, K, KUHN, C, KULIKOV, AI, KUMAR, A, MATULENKO, YA, KUZNETSOV, AA, LAMONT, MAC, LANDGRAF, JM, BELLINGERI-LAURIKAINEN, A, LANGE, S, LAPOINTE, S, LAUE, F, LAURET, J, LEBEDEV, A, LEDNICKY, R, MCCLAIN, CJ, LEE, CH, LEHOCKA, S, LEVINE, MJ, LI, C, BELLWIED, R, LI, Q, LI, Y, LIN, G, LIN, X, LINDENBAUM, SJ, MCSHANE, TS, LISA, MA, LIU, F, LIU, H, LIU, J, LIU, L, BENEDOSSO, F, LIU, Z, MELNICK, Y, MESCHANIN, A, MILLANE, J, MILLER, ML, MINAEV, NG, GUIMARAES, KSFF, MIODUSZEWSKI, S, BHATI, AK, MIRONOV, C, MISCHKE, A, MISHRA, DK, MITCHELL, J, MOHANTY, B, MOLNAR, L, MOORE, CF, MOROZOV, DA, GUPTA, A, MUNHOZ, MG, NANDI, BK, BICHSEL, H, NATTRASS, C, NAYAK, TK, NELSON, JM, NETRAKANTI, PK, NOGACH, LV, NURUSHEV, SB, ODYNIEC, G, GUTIERREZ, TD, OGAWA, A, OKOROKOV, V, OLDENBURG, M, BIELCIK, J, OLSON, D, PACHR, M, PAL, SK, PANEBRATSEV, Y, PANITKIN, SY, PAVLINOV, AI, HAAG, B, PAWLAK, T, PEITZMANN, T, PEREVOZTCHIKOV, V, PERKINS, C, BIELCIKOVA, J, PERYT, W, PHATAK, SC, PICHA, R, PLANINIC, M, PLUTA, J, HALLMAN, TJ, POLJAK, N, PORILE, N, PORTER, J, POSKANZER, AM, POTEKHIN, M, BLAND, LC, POTREBENIKOVA, E, POTUKUCHI, BVKS, PRINDLE, D, PRUNEAU, C, HAMED, A, and PUTSCHKE, J
Subjects: High Energy Physics::Phenomenology, Nuclear Theory, Heavy-Ion Collisions, P(P)Over-Bar Collisions, Physics, Nuclear, Large Transverse-Momentum, Proton-Proton Collisions, Au+Au Collisions, Thermal Hadron-Production, Fragmentation Functions, High Energy Physics::Experiment, Nuclear Experiment, Gev Cm Energy, Statistical Thermodynamics, Nuclear Collisions
Abstract: We present strange particle spectra and yields measured at midrapidity in root s = 200 GeV proton-proton (p + p) collisions at the BNL Relativistic Heavy Ion Collider (RHIC). We find that the previously observed universal transverse mass (m(T) = root PT2 + m(2)) scaling of hadron production in p + p collisions seems to break down at higher m(T) and that there is a difference in the shape of the m(T) spectrum between baryons and mesons. We observe midrapidity antibaryon to baryon ratios near unity for Lambda and Xi baryons and no dependence of the ratio on transverse momentum, indicating that our data do not yet reach the quark-jet dominated region. We show the dependence of the mean transverse momentum < p(T)> on measured charged particle multiplicity and on particle mass and infer that these trends are consistent with gluon-jet dominated particle production. The data are compared with previous measurements made at the CERN Super Proton Synchrotron and Intersecting Storage Rings and in Fermilab experiments and with leading-order and next-to-leading-order string fragmentation model predictions. We infer from these comparisons that the spectral shapes and particle yields from p + p collisions at RHIC energies have large contributions from gluon jets rather than from quark jets.
Published: 2007

11. Transverse momentum and centrality dependence of High-p(T) nonphotonic electron suppression in Au plus Au collisions at root(NN)-N-S=200 GeV

Author: ABELEV, BI, AGGARWAL, MM, AHAMMED, Z, ANDERSON, BD, ARKHIPKIN, D, AVERICHEV, GS, BAI, Y, BALEWSKI, J, BARANNIKOVA, O, BARNBY, LS, BAUDOT, J, BAUMGART, S, BELAGA, VV, BELLINGERI-LAURIKAINEN, A, BELLWIED, R, BENEDOSSO, F, BETTS, RR, BHARDWAJ, S, BHASIN, A, BHATI, AK, BICHSEL, H, BIELCIK, J, BIELCIKOVA, J, BLAND, LC, BLYTH, SL, BOMBARA, M, BONNER, BE, BOTJE, M, BOUCHET, J, BRANDIN, AV, BRAVAR, A, BURTON, TP, BYSTERSKY, M, CADMAN, RV, CAI, XZ, CAINES, H, SANCHEZ, MCD, CALLNER, J, CATU, O, CEBRA, D, CHAJECKI, Z, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, CHEN, JH, CHEN, JY, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHRISTIE, W, CHUNG, SU, COFFIN, JP, CORMIER, TM, COSENTINO, MR, CRAMER, JG, CRAWFORD, HJ, DAS, D, DASH, S, DAUGHERITY, M, DE MOURA, MM, DEDOVICH, TG, DEPHILLIPS, M, DEREVSCHIKOV, AA, DIDENKO, L, DIETEL, T, DJAWOTHO, P, DOGRA, SM, DONG, X, DRACHENBERG, JL, DRAPER, JE, DU, F, DUNIN, VB, DUNLOP, JC, MAZUMDAR, MRD, ECKARDT, V, EDWARDS, WR, EFIMOV, LG, EMELIANOV, V, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, ESTIENNE, M, FACHINI, P, FATEMI, R, FEDORISIN, J, FENG, A, FILIP, P, FINCH, E, FINE, V, FISYAK, Y, FU, J, GAGLIARDI, CA, GAILLARD, L, GANTI, MS, GARCIA-SOLIS, E, GHAZIKHANIAN, V, GHOSH, P, GORBUNOV, YG, GOS, H, GREBENYUK, O, GROSNICK, D, GUERTIN, SM, GUIMARAES, KSFF, GUPTA, N, HAAG, B, HALLMAN, TJ, HAMED, A, HARRIS, JW, HE, W, HEINZ, M, HENRY, TW, HEPPELMANN, S, HIPPOLYTE, B, HIRSCH, A, HJORT, E, HOFFMAN, AM, HOFFMANN, GW, HOFMAN, D, HOLLIS, R, HORNER, MJ, HUANG, HZ, HUGHES, EW, HUMANIC, TJ, IGO, G, IORDANOVA, A, JACOBS, P, JACOBS, WW, JAKL, P, JIA, F, JONES, PG, JUDD, EG, KABANA, S, KANG, K, KAPITAN, J, KAPLAN, M, KEANE, D, KECHECHYAN, A, KETTLER, D, KHODYREV, VY, KIM, BC, KIRYLUK, J, KISIEL, A, KISLOV, EM, KLEIN, SR, KNOSPE, AG, KOCOLOSKI, A, KOETKE, DD, KOLLEGGER, T, KOPYTINE, M, KOTCHENDA, L, KOUCHPIL, V, KOWALIK, KL, KRAVTSOV, P, KRAVTSOV, VI, KRUEGER, K, KUHN, C, KULIKOV, AI, KUMAR, A, KURNADI, P, KUZNETSOV, AA, LAMONT, MAC, LANDGRAF, JM, LANGE, S, LAPOINTE, S, LAUE, F, LAURET, J, LEBEDEV, A, LEDNICKY, R, LEE, CH, LEHOCKA, S, LEVINE, MJ, LI, C, LI, Q, LI, Y, LIN, G, LIN, X, LINDENBAUM, SJ, LISA, MA, LIU, F, LIU, H, LIU, J, LIU, L, LJUBICIC, T, LLOPE, WJ, LONGACRE, RS, LOVE, WA, LU, Y, LUDLAM, T, LYNN, D, MA, GL, MA, JG, MA, YG, MAGESTRO, D, MAHAPATRA, DP, MAJKA, R, MANGOTRA, LK, MANWEILER, R, MARGETIS, S, MARKERT, C, MARTIN, L, MATIS, HS, MATULENKO, YA, MCCLAIN, CJ, MCSHANE, TS, MELNICK, Y, MESCHANIN, A, MILLANE, J, MILLER, ML, MINAEV, NG, MIODUSZEWSKI, S, MIRONOV, C, MISCHKE, A, MITCHELL, J, MOHANTY, B, MOROZOV, DA, MUNHOZ, MG, NANDI, BK, NATTRASS, C, NAYAK, TK, NELSON, JM, NEPALI, NS, NETRAKANTI, PK, NOGACH, LV, NURUSHEV, SB, ODYNIEC, G, OGAWA, A, OKOROKOV, V, OLDENBURG, M, OLSON, D, PACHR, M, PAL, SK, PANEBRATSEV, Y, PAVLINOV, AI, PAWLAK, T, PEITZMANN, T, PEREVOZTCHIKOV, V, PERKINS, C, PERYT, W, PHATAK, SC, PLANINIC, M, PLUTA, J, POLJAK, N, PORILE, N, POSKANZER, AM, POTEKHIN, M, POTREBENIKOVA, E, POTUKUCHI, BVKS, PRINDLE, D, PRUNEAU, C, PUTSCHKE, J, QATTAN, IA, RANIWALA, R, RANIWALA, S, RAY, RL, RELYEA, D, RIDIGER, A, RITTER, HG, ROBERTS, JB, ROGACHEVSKIY, OV, ROMERO, JL, ROSE, A, ROY, C, RUAN, L, RUSSCHER, MJ, SAHOO, R, SAKREJDA, I, SAKUMA, T, SALUR, S, SANDWEISS, J, SARSOUR, M, SAZHIN, PS, SCHAMBACH, J, SCHARENBERG, RP, SCHMITZ, N, SEGER, J, SELYUZHENKOV, I, SEYBOTH, P, SHABETAI, A, SHAHALIEV, E, SHAO, M, SHARMA, M, SHEN, WQ, SHIMANSKIY, SS, SICHTERMANN, EP, SIMON, F, SINGARAJU, RN, SMIRNOV, N, SNELLINGS, R, SORENSEN, P, SOWINSKI, J, SPELTZ, J, SPINKA, HM, SRIVASTAVA, B, STADNIK, A, STANISLAUS, TDS, STASZAK, D, STOCK, R, STRIKHANOV, M, STRINGFELLOW, B, SUAIDE, AAP, SUAREZ, MC, SUBBA, NL, SUMBERA, M, SUN, XM, SUN, Z, SURROW, B, SYMONS, TJM, DE TOLEDO, AS, TAKAHASHI, J, TANG, AH, TARNOWSKY, T, THOMAS, JH, TIMMINS, AR, TIMOSHENKO, S, TOKAREV, M, TRAINOR, TA, TRENTALANGE, S, TRIBBLE, RE, TSAI, OD, ULERY, J, ULLRICH, T, UNDERWOOD, DG, VAN BUREN, G, VAN DER KOLK, N, VAN LEEUWEN, M, VANDER MOLEN, AM, VARMA, R, VASILEVSKI, IM, VASILIEV, AN, VERNET, R, VIGDOR, SE, VIYOGI, YP, VOKAL, S, VOLOSHIN, SA, WAGGONER, WT, WANG, F, WANG, G, WANG, JS, WANG, XL, WANG, Y, WATSON, JW, WEBB, JC, WESTFALL, GD, WETZLER, A, WHITTEN, C, WIEMAN, H, WISSINK, SW, WITT, R, WU, J, WU, Y, XU, N, XU, QH, XU, Z, YEPES, P, YOO, IK, YUE, Q, YUREVICH, VI, ZHAN, W, ZHANG, H, ZHANG, WM, ZHANG, Y, ZHANG, ZP, ZHAO, Y, ZHONG, C, ZHOU, J, ZOULKARNEEV, R, ZOULKARNEEVA, Y, ZUBAREV, AN, and ZUO, JX
Subjects: Perturbative Qcd, Energy-Loss, High Energy Physics::Phenomenology, Physics, Multidisciplinary, Particle Identification, High Energy Physics::Experiment, Nuclear Experiment, Tomography, Heavy-Quark Production
Abstract: The STAR collaboration at the BNL Relativistic Heavy-Ion Collider (RHIC) reports measurements of the inclusive yield of nonphotonic electrons, which arise dominantly from semileptonic decays of heavy flavor mesons, over a broad range of transverse momenta (1.2 < p(T)< 10 GeV/c) in p+p, d+Au, and Au+Au collisions at root s(NN)=200 GeV. The nonphotonic electron yield exhibits an unexpectedly large suppression in central Au+Au collisions at high p(T), suggesting substantial heavy-quark energy loss at RHIC. The centrality and p(T) dependences of the suppression provide constraints on theoretical models of suppression.
Published: 2007

12. Partonic flow and phi-meson production in Au+Au collisions at root s(NN)=200 GeV

Author: ABELEV, BI, AGGARWAL, MM, AHAMMED, Z, ANDERSON, BD, ARKHIPKIN, D, AVERICHEV, GS, BAI, Y, BALEWSKI, J, BARANNIKOVA, O, BARNBY, LS, BAUDOT, J, LIU, J, LIU, L, LJUBICIC, T, LLOPE, WJ, LONGACRE, RS, LOVE, WA, LU, Y, LUDLAM, T, LYNN, D, BHATI, AK, GROSNICK, D, MA, GL, MA, JG, MA, YG, MAHAPATRA, DP, MAJKA, R, MANGOTRA, LK, MANWEILER, R, MARGETIS, S, MARKERT, C, MARTIN, L, GRUBE, B, BICHSEL, H, MATIS, HS, MATULENKO, YA, MCCLAIN, CJ, MCSHANE, TS, MELNICK, Y, MESCHANIN, A, MILLANE, J, MILLER, ML, MINAEV, NG, GUERTIN, SM, MIODUSZEWSKI, S, BIELCIK, J, MIRONOV, C, MISCHKE, A, MITCHELL, J, MOHANTY, B, MOROZOV, DA, MUNHOZ, MG, NANDI, BK, NATTRASS, C, GUIMARAES, KSFF, NAYAK, TK, NELSON, JM, BIELCIKOVA, J, NEPALI, C, NETRAKANTI, PK, NOGACH, LV, NURUSHEV, SB, ODYNIEC, G, OGAWA, A, OKOROKOV, V, GUPTA, N, OLDENBURG, M, OLSON, D, PACHR, M, BLAND, LC, PAL, SK, PANEBRATSEV, Y, PAVLINOV, AI, PAWLAK, T, PEITZMANN, T, PEREVOZTCHIKOV, V, HAAG, B, PERKINS, C, PERYT, W, PHATAK, SC, PLANINIC, M, BLYTH, SL, PLUTA, J, POLJAK, N, PORILE, N, POSKANZER, AM, POTEKHIN, M, HALLMAN, TJ, POTREBENIKOVA, E, POTUKUCHI, BVKS, PRINDLE, D, PRUNEAU, C, PUTSCHKE, J, BOMBARA, M, QATTAN, IA, RANIWALA, R, RANIWALA, S, RAY, RL, HAMED, A, RELYEA, D, RIDIGER, A, RITTER, HG, ROBERTS, JB, ROGACHEVSKIY, OV, ROMERO, JL, BONNER, BE, ROSE, A, ROY, C, RUAN, L, HARRIS, JW, RUSSCHER, MJ, SAHOO, R, SAKREJDA, I, SAKUMA, T, SALUR, S, SANDWEISS, J, SARSOUR, M, BOTJE, M, SAZHIN, PS, SCHAMBACH, J, HE, W, SCHARENBERG, RP, SCHMITZ, N, SEGER, J, SELYUZHENKOV, I, SEYBOTH, P, SHABETAI, A, SHAHALIEV, E, SHAO, M, BOUCHET, J, SHARMA, M, BAUMGART, S, SHEN, WQ, SHIMANSKIY, SS, SICHTERMANN, EP, SIMON, F, SINGARAJU, RN, SMIRNOV, N, SNELLINGS, R, SORENSEN, P, SOWINSKI, J, BRANDIN, AV, HEINZ, M, SPELTZ, J, SPINKA, HM, SRIVASTAVA, B, STADNIK, A, STANISLAUS, TDS, STASZAK, D, STOCK, R, STRIKHANOV, M, STRINGFELLOW, B, SUAIDE, AAP, HENRY, TW, BRAVAR, A, SUAREZ, MC, SUBBA, NL, SUMBERA, M, SUN, XM, SUN, Z, SURROW, B, SYMONS, TJM, SZANTO DE TOLEDO, A, TAKAHASHI, J, HEPPELMANN, S, TANG, AH, BURTON, TP, TARNOWSKY, T, THOMAS, JH, TIMMINS, AR, TIMOSHENKO, S, TOKAREV, M, TRAINOR, TA, TRENTALANGE, S, TRIBBLE, RE, HIPPOLYTE, B, TSAI, OD, ULERY, J, BYSTERSKY, M, ULLRICH, T, UNDERWOOD, DG, VAN BUREN, G, VAN DER KOLK, N, VAN LEEUWEN, M, MOLEN, AMV, VARMA, R, HIRSCH, A, VASILEVSKI, IM, VASILIEV, AN, VERNET, R, CADMAN, RV, VIGDOR, SE, VIYOGI, YP, VOKAL, S, VOLOSHIN, SA, WAGGONER, WT, WANG, F, HJORT, E, WANG, G, WANG, JS, WANG, XL, WANG, Y, CAI, XZ, WATSON, JW, WEBB, JC, WESTFALL, GD, WETZLER, A, WHITTEN, C, HOFFMAN, AM, WIEMAN, H, WISSINK, SW, WITT, R, WU, J, WU, Y, CAINES, H, XU, N, XU, QH, XU, Z, YEPES, P, HOFFMANN, GW, YOO, IK, YUE, Q, YUREVICH, VI, ZHAN, W, ZHANG, H, ZHANG, WM, CALDERON DE LA BARCA SANCHEZ, M, ZHANG, Y, ZHANG, ZP, ZHAO, Y, HOFMAN, DJ, ZHONG, C, ZHOU, J, ZOULKARNEEV, R, ZOULKARNEEVA, Y, ZUBAREV, AN, ZUO, JX, CALLNER, J, CATU, O, CEBRA, D, CHAJECKI, Z, HOLLIS, RS, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, CHEN, JH, CHEN, JY, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHRISTIE, W, CHUNG, SU, BELAGA, VV, COFFIN, JP, CORMIER, TM, COSENTINO, MR, CRAMER, JG, CRAWFORD, HJ, DAS, D, DASH, S, DAUGHERITY, M, DE MOURA, MM, DEDOVICH, TG, HORNER, MJ, DEPHILLIPS, M, DEREVSCHIKOV, AA, DIDENKO, L, DIETEL, T, DJAWOTHO, P, DOGRA, SM, DONG, X, DRACHENBERG, JL, DRAPER, JE, DU, F, HUANG, HZ, DUNIN, VB, DUNLOP, JC, MAZUMDAR, MRD, ECKARDT, V, EDWARDS, WR, EFIMOV, LG, EMELIANOV, V, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, HUGHES, EW, ESTIENNE, M, FACHINI, P, FATEMI, R, FEDORISIN, J, FENG, A, FILIP, P, FINCH, E, FINE, V, FISYAK, Y, FU, J, HUMANIC, TJ, GAGLIARDI, CA, GAILLARD, L, GANTI, MS, GARCIA-SOLIS, E, GHAZIKHANIAN, V, GHOSH, P, GORBUNOV, YG, GOS, H, GREBENYUK, O, IGO, G, IORDANOVA, A, JACOBS, P, JACOBS, WW, JAKL, P, JIA, F, BELLINGERI-LAURIKAINEN, A, JONES, PG, JUDD, EG, KABANA, S, KANG, K, KAPITAN, J, KAPLAN, M, KEANE, D, KECHECHYAN, A, KETTLER, D, KHODYREV, VY, BELLWIED, R, KIM, BC, KIRYLUK, J, KISIEL, A, KISLOV, EM, KLEIN, SR, KNOSPE, AG, KOCOLOSKI, A, KOETKE, DD, KOLLEGGER, T, KOPYTINE, M, BENEDOSSO, F, KOTCHENDA, L, KOUCHPIL, V, KOWALIK, KL, KRAVTSOV, P, KRAVTSOV, VI, KRUEGER, K, KUHN, C, KULIKOV, AI, KUMAR, A, KURNADI, P, BETTS, RR, KUZNETSOV, AA, LAMONT, MAC, LANDGRAF, JM, LANGE, S, LAPOINTE, S, LAUE, F, LAURET, J, LEBEDEV, A, LEDNICKY, R, LEE, CH, BHARDWAJ, S, LEHOCKA, S, LEVINE, MJ, LI, C, LI, Q, LI, Y, LIN, G, LIN, X, LINDENBAUM, SJ, LISA, MA, LIU, F, BHASIN, A, and LIU, H
Subjects: High Energy Physics::Lattice, High Energy Physics::Phenomenology, Nuclear Theory, Physics, Multidisciplinary, Signature, Collaboration, Nuclei, Qcd, Anisotropic Flow, Photoproduction, Elliptic Flow, Perspective, Quark-Gluon Plasma, High Energy Physics::Experiment, Nuclear Experiment
Abstract: We present first measurements of the phi-meson elliptic flow (v(2)(p(T))) and high-statistics p(T) distributions for different centralities from root s(NN) = 200 GeV Au+Au collisions at RHIC. In minimum bias collisions the v(2) of the phi meson is consistent with the trend observed for mesons. The ratio of the yields of the Omega to those of the phi as a function of transverse momentum is consistent with a model based on the recombination of thermal s quarks up to p(T)similar to 4 GeV/c, but disagrees at higher momenta. The nuclear modification factor (R-CP) of phi follows the trend observed in the K-S(0) mesons rather than in Lambda baryons, supporting baryon-meson scaling. These data are consistent with phi mesons in central Au+Au collisions being created via coalescence of thermalized s quarks and the formation of a hot and dense matter with partonic collectivity at RHIC.
Published: 2007

13. Delta phi Delta eta correlations in central Au plus Au collisions at root S-NN = 200 GeV

Author: ADAMS, J, AGGARWAL, MM, AHAMMED, Z, AMONETT, J, ANDERSON, BD, ANDERSON, M, ARKHIPKIN, D, AVERICHEV, GS, BAI, Y, BALEWSKI, J, BARANNIKOVA, O, LLOPE, WJ, LONG, H, LONGACRE, RS, LOPEZ-NORIEGA, M, LOVE, WA, LU, Y, LUDLAM, T, LYNN, D, MA, GL, BHASIN, A, GREBENYUK, O, MA, JG, MA, YG, MAGESTRO, D, MAHAPATRA, DP, MAJKA, R, MANGOTRA, LK, MANWEILER, R, MARGETIS, S, MARKERT, C, MARTIN, L, GROSNICK, D, BHATI, AK, MATIS, HS, MATULENKO, YA, MCCLAIN, CJ, MCSHANE, TS, MELNICK, Y, MESCHANIN, A, MILLER, ML, MINAEV, NG, MIODUSZEWSKI, S, GUERTIN, SM, MIRONOV, C, BICHSEL, H, MISCHKE, A, MISHRA, DK, MITCHELL, J, MOHANTY, B, MOLNAR, L, MOORE, CF, MOROZOV, DA, MUNHOZ, MG, GUIMARAES, KSFF, NANDI, BK, NATTRASS, C, BIELCIK, J, NAYAK, TK, NELSON, JM, NETRAKANTI, PK, NIKITIN, VA, NOGACH, LV, NURUSHEV, SB, ODYNIEC, G, GUO, Y, OGAWA, A, OKOROKOV, V, OLDENBURG, M, BIELCIKOVA, J, OLSON, D, PACHR, M, PAL, SK, PANEBRATSEV, Y, PANITKIN, SY, PAVLINOV, AI, GUPTA, N, PAWLAK, T, PEITZMANN, T, PEREVOZTCHIKOV, V, PERKINS, C, BLAND, LC, PERYT, W, PETROV, VA, PHATAK, SC, PICHA, R, PLANINIC, M, GUTIERREZ, TD, PLUTA, J, POLJAK, N, PORILE, N, PORTER, J, POSKANZER, AM, BLYTH, CO, POTEKHIN, M, POTREBENIKOVA, E, POTUKUCHI, BVKS, PRINDLE, D, HAAG, B, PRUNEAU, C, PUTSCHKE, J, RAKNESS, G, RANIWALA, R, RANIWALA, S, RAY, RL, BLYTH, SL, RAZIN, SV, REINNARTH, J, RELYEA, D, HALLMAN, TJ, RETIERE, F, RIDIGER, A, RITTER, HG, ROBERTS, JB, ROGACHEVSKIY, OV, ROMERO, JL, ROSE, A, BONNER, BE, ROY, C, RUAN, L, HAMED, A, RUSSCHER, MJ, SAHOO, R, SAKREJDA, I, SALUR, S, SANDWEISS, J, SARSOUR, M, SAZHIN, PS, SCHAMBACH, J, BOTJE, M, SCHARENBERG, RP, BARNBY, LS, SCHMITZ, N, SCHWEDA, K, SEGER, J, SELYUZHENKOV, I, SEYBOTH, P, SHABETAI, A, SHAHALIEV, E, SHAO, M, SHARMA, M, BOUCHET, J, HARRIS, JW, SHEN, WQ, SHIMANSKIY, SS, SICHTERMANN, E, SIMON, F, SINGARAJU, RN, SMIRNOV, N, SNELLINGS, R, SOOD, G, SORENSEN, P, SOWINSKI, J, HE, W, BRANDIN, AV, SPELTZ, J, SPINKA, HM, SRIVASTAVA, B, STADNIK, A, STANISLAUS, TDS, STOCK, R, STOLPOVSKY, A, STRIKHANOV, M, STRINGFELLOW, B, HEINZ, M, SUAIDE, AAP, BRAVAR, A, SUGARBAKER, E, SUMBERA, M, SUN, Z, SURROW, B, SWANGER, M, SYMONS, TJM, DE TOLEDO, AS, TAKAHASHI, ATJ, HENRY, TW, TANG, AH, TARNOWSKY, T, BYSTERSKY, M, THEIN, D, THOMAS, JH, TIMMINS, AR, TIMOSHENKO, S, TOKAREV, M, TRENTALANGE, S, TRIBBLE, RE, HEPPLEMANN, S, TSAI, OD, ULERY, J, ULLRICH, T, CADMAN, RV, UNDERWOOD, DG, VAN BUREN, G, VAN DER KOLK, N, VAN LEEUWEN, M, MOLEN, AMV, VARMA, R, HIPPOLYTE, B, VASILEVSKI, IM, VASILIEV, AN, VERNET, R, VIGDOR, SE, CAI, XZ, VIYOGI, YP, VOKAL, S, VOLOSHIN, SA, WAGGONER, WT, WANG, F, HIRSCH, A, WANG, G, WANG, JS, WANG, XL, WANG, Y, WATSON, JW, CAINES, H, WEBB, JC, WESTFALL, GD, WETZLER, A, WHITTEN, C, HJORT, E, WIEMAN, H, WISSINK, SW, WITT, R, WOOD, J, WU, J, XU, N, SANCHEZ, MCDB, XU, QH, XU, Z, YEPES, P, HOFFMANN, GW, YOO, IK, YUREVICH, VI, ZHAN, W, ZHANG, H, ZHANG, WM, ZHANG, Y, ZHANG, ZP, CASTILLO, J, ZHAO, Y, ZHONG, C, HORNER, MJ, ZOULKARNEEV, R, ZOULKARNEEVA, Y, ZUBAREV, AN, ZUO, JX, CATU, O, CEBRA, D, CHAJECKI, Z, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, BAUDOT, J, CHEN, JH, CHEN, Y, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHOI, HA, CHRISTIE, W, COFFIN, JP, CORMIER, TM, COSENTINO, MR, HUANG, HZ, CRAMER, JG, CRAWFORD, HJ, DAS, D, DAS, S, DAUGHERITY, M, DE MOURA, MM, DEDOVICH, TG, DEPHILLIPS, M, DEREVSCHIKOV, AA, DIDENKO, L, HUANG, SL, DIETEL, T, DJAWOTHO, P, DOGRA, SM, DONG, WJ, DONG, X, DRAPER, JE, DU, F, DUNIN, VB, DUNLOP, JC, MAZUMDAR, MRD, HUGHES, EW, ECKARDT, V, EDWARDS, WR, EFIMOV, LG, EMELIANOV, V, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, ESTIENNE, M, FACHINI, P, FATEMI, R, HUMANIC, TJ, FEDORISIN, J, FILIMONOV, K, FILIP, P, FINCH, E, FINE, V, FISYAK, Y, FU, J, GAGLIARDI, CA, GAILLARD, L, GANS, J, IGO, G, GANTI, MS, GHAZIKHANIAN, V, GHOSH, P, GONZALEZ, JE, GORBUNOV, YG, GOS, H, JACOBS, P, JACOBS, WW, JAKL, P, JIA, F, JIANG, H, BEKELE, S, JONES, PG, JUDD, EG, KABANA, S, KANG, K, KAPITAN, J, KAPLAN, M, KEANE, D, KECHECHYAN, A, KHODYREV, VY, KIM, BC, BELAGA, VV, KIRYLUK, J, KISIEL, A, KISLOV, EM, KLEIN, SR, KOETKE, DD, KOLLEGGER, T, KOPYTINE, M, KOTCHENDA, L, KOUCHPIL, V, KOWALIK, KL, BELLINGERI-LAURIKAINEN, A, KRAMER, M, KRAVTSOV, P, KRAVTSOV, VI, KRUEGER, K, KUHN, C, KULIKOV, AI, KUMAR, A, KUZNETSOV, AA, LAMONT, MAC, LANDGRAF, JM, BELLWIED, R, LANGE, S, LAPOINTE, S, LAUE, F, LAURET, J, LEBEDEV, A, LEDNICKY, R, LEE, CH, LEHOCKA, S, LEVINE, MJ, LI, C, BEZVERKHNY, BI, LI, Q, LI, Y, LIN, G, LINDENBAUM, SJ, LISA, MA, LIU, F, LIU, H, LIU, J, LIU, L, LIU, Z, BHARADWAJ, S, and LJUBICIC, T
Subjects: Rhic/Lhc, Physics, Nuclear, Quark-Gluon Plasma, Angular-Correlations, Nuclear Experiment, Hadronization, Model
Abstract: We report charged particle pair correlation analyses in the space of Delta phi (azimuth) and Delta eta (pseudorapidity), for central Au+Au collisions at root s(NN)=200 GeV in the STAR detector. The analysis involves unlike-sign charged pairs and like-sign charged pairs, which are transformed into charge-dependent (CD) signals and charge-independent (CI) signals. We present detailed parametrizations of the data. A model featuring dense gluonic hot spots as first proposed by Van Hove predicts that the observables under investigation would have sensitivity to such a substructure should it occur, and the model also motivates selection of transverse momenta in the range 0.8 < p(t)< 2.0 GeV/c. Both CD and CI correlations of high statistical significance are observed, and possible interpretations are discussed.
Published: 2007

14. Minijet deformation and charge-independent angular correlations on momentum subspace (eta, phi) in Au-Au collisions at root S-NN=130 GeV

Author: ADAMS, J, AGGARWAL, MM, AHAMMED, Z, AMONETT, J, ANDERSON, BD, ANDERSON, M, ARKHIPKIN, D, AVERICHEV, GS, BAI, Y, BALEWSKI, J, BARANNIKOVA, O, GREBENYUK, O, GROSNICK, D, GUERTIN, SM, GUIMARAES, KSFF, GUO, Y, GUPTA, A, GUTIERREZ, TD, HAAG, B, HALLMAN, TJ, HAMED, A, BARNBY, LS, HARRIS, JW, HE, W, HEINZ, M, HENRY, TW, HEPPLEMANN, S, HIPPOLYTE, B, HIRSCH, A, HJORT, E, HOFFMANN, GW, HORNER, MJ, BAUDOT, J, HUANG, HZ, HUANG, SL, HUGHES, EW, HUMANIC, TJ, IGO, G, ISHIHARA, A, JACOBS, P, JACOBS, WW, JAKL, P, JIA, F, BEKELE, S, JIANG, H, JONES, PG, JUDD, EG, KABANA, S, KANG, K, KAPITAN, J, KAPLAN, M, KEANE, D, KECHECHYAN, A, KHODYREV, VY, BELAGA, VV, KIM, BC, KIRYLUK, J, KISIEL, A, KISLOV, EM, KLEIN, SR, KOETKE, DD, KOLLEGGER, T, KOPYTINE, M, KOTCHENDA, L, KOUCHPIL, V, BELLINGERI-LAURIKAINEN, A, KOWALIK, KL, KRAMER, M, KRAVTSOV, P, KRAVTSOV, VI, KRUEGER, K, KUHN, C, KULIKOV, AI, KUMAR, A, KUZNETSOV, AA, LAMONT, MAC, BELLWIED, R, LANDGRAF, JM, LANGE, S, LAPOINTE, S, LAUE, F, LAURET, J, LEBEDEV, A, LEDNICKY, R, LEE, CH, LEHOCKA, S, LEVINE, MJ, BEZVERKHNY, BI, LI, C, LI, Q, LI, Y, LIN, G, LINDENBAUM, SJ, LISA, MA, LIU, F, LIU, H, LIU, J, LIU, L, BHARADWAJ, S, LIU, Z, LJUBICIC, T, LLOPE, WJ, LONG, H, LONGACRE, RS, LOPEZ-NORIEGA, M, LOVE, WA, LU, Y, LUDLAM, T, LYNN, D, BHASIN, A, MA, GL, MA, JG, MA, YG, MAGESTRO, D, MAHAPATRA, DP, MAJKA, R, MANGOTRA, LK, MANWEILER, R, MARGETIS, S, MARKERT, C, BHATI, AK, MARTIN, L, MATIS, HS, MATULENKO, YA, MCCLAIN, CJ, MCSHANE, TS, MELNICK, Y, MESCHANIN, A, MILLER, ML, MINAEV, NG, MIODUSZEWSKI, S, BICHSEL, H, MIRONOV, C, MISCHKE, A, MISHRA, DK, MITCHELL, J, MOHANTY, B, MOLNAR, L, MOORE, CF, MOROZOV, DA, MUNHOZ, MG, NANDI, BK, BIELCIK, J, NATTRASS, C, NAYAK, TK, NELSON, JM, NETRAKANTI, PK, NIKITIN, VA, NOGACH, LV, NURUSHEV, SB, ODYNIEC, G, OGAWA, A, OKOROKOV, V, BIELCIKOVA, J, OLDENBURG, M, OLSON, D, PACHR, M, PAL, SK, PANEBRATSEV, Y, PANITKIN, SY, PAVLINOV, AI, PAWLAK, T, PEITZMANN, T, PEREVOZTCHIKOV, V, BLAND, LC, PERKINS, C, PERYT, W, PETROV, VA, PHATAK, SC, PICHA, R, PLANINIC, M, PLUTA, J, POLJAK, N, PORILE, N, PORTER, J, BLYTH, CO, POSKANZER, AM, POTEKHIN, M, POTREBENIKOVA, E, POTUKUCHI, BVKS, PRINDLE, D, PRUNEAU, C, PUTSCHKE, J, RAKNESS, G, RANIWALA, R, RANIWALA, S, BLYTH, SL, RAY, RL, RAZIN, SV, REID, JG, REINNARTH, J, RELYEA, D, RETIERE, F, RIDIGER, A, RITTER, HG, ROBERTS, JB, ROGACHEVSKIY, OV, BONNER, BE, ROMERO, JL, ROSE, A, ROY, C, RUAN, L, RUSSCHER, MJ, SAHOO, R, SAKREJDA, I, SALUR, S, SANDWEISS, J, SARSOUR, M, BOTJE, M, SAZHIN, PS, SCHAMBACH, J, SCHARENBERG, RP, SCHMITZ, N, SCHWEDA, K, SEGER, J, SELYUZHENKOV, I, SEYBOTH, P, SHABETAI, A, SHAHALIEV, E, BOUCHET, J, SHAO, M, SHARMA, M, SHEN, WQ, SHIMANSKIY, SS, SICHTERMANN, E, SIMON, F, SINGARAJU, RN, SMIRNOV, N, SNELLINGS, R, SOOD, G, BRANDIN, AV, SORENSEN, P, SOWINSKI, J, SPELTZ, J, SPINKA, HM, SRIVASTAVA, B, STADNIK, A, STANISLAUS, TDS, STOCK, R, STOLPOVSKY, A, STRIKHANOV, M, BRAVAR, A, STRINGFELLOW, B, SUAIDE, AAP, SUGARBAKER, E, SUMBERA, M, SUN, Z, SURROW, B, SWANGER, M, SYMONS, TJM, DE TOLEDO, AS, TAI, A, BYSTERSKY, M, TAKAHASHI, J, TANG, AH, TARNOWSKY, T, THEIN, D, THOMAS, JH, TIMMINS, AR, TIMOSHENKO, S, TOKAREV, M, TRAINOR, TA, TRENTALANGE, S, CADMAN, RV, TRIBBLE, RE, TSAI, OD, ULERY, J, ULLRICH, T, UNDERWOOD, DG, VAN BUREN, G, VAN DER KOLK, N, VAN LEEUWEN, M, MOLEN, AMV, VARMA, R, CAI, XZ, VASILEVSKI, IM, VASILIEV, AN, VERNET, R, VIGDOR, SE, VIYOGI, YP, VOKAL, S, VOLOSHIN, SA, WAGGONER, WT, WANG, F, WANG, G, CAINES, H, WANG, JS, WANG, XL, WANG, Y, WATSON, JW, WEBB, JC, WESTFALL, GD, WETZLER, A, WHITTEN, C, WIEMAN, H, WISSINK, SW, SANCHEZ, MCD, WITT, R, WOOD, J, WU, J, XU, N, XU, QH, XU, Z, YEPES, P, YOO, IK, YUREVICH, VI, ZHAN, W, CASTILLO, J, ZHANG, H, ZHANG, WM, ZHANG, Y, ZHANG, ZP, ZHAO, Y, ZHONG, C, ZOULKARNEEV, R, ZOULKARNEEVA, Y, ZUBAREV, AN, ZUO, JX, CATU, O, CEBRA, D, CHAJECKI, Z, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, CHEN, JH, CHEN, Y, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHOI, HA, CHRISTIE, W, COFFIN, JP, CORMIER, TM, COSENTINO, MR, CRAMER, JG, CRAWFORD, HJ, DAS, D, DAS, S, DAUGHERITY, M, DE MOURA, MM, DEDOVICH, TG, DEPHILLIPS, M, DEREVSCHIKOV, AA, DIDENKO, L, DIETEL, T, DJAWOTHO, P, DOGRA, SM, DONG, WJ, DONG, X, DRAPER, JE, DU, F, DUNIN, VB, DUNLOP, JC, MAZUMDAR, MRD, ECKARDT, V, EDWARDS, WR, EFIMOV, LG, EMELIANOV, V, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, ESTIENNE, M, FACHINI, P, FATEMI, R, FEDORISIN, J, FILIMONOV, K, FILIP, P, FINCH, E, FINE, V, FISYAK, Y, FU, J, GAGLIARDI, CA, GAILLARD, L, GANS, J, GANTI, MS, GHAZIKHANIAN, V, GHOSH, P, GONZALEZ, JE, GORBUNOV, YG, and GOS, H
Subjects: Azimuthal Anisotropy, Flow, by-event fluctuations, hadronic-interactions, azimuthal anisotropy, nuclear collisions, scale dependence, dynamics, autocorrelations, particle, physics, flow, Physics, Particle, Hadronic-Interactions, High Energy Physics::Experiment, Autocorrelations, Nuclear Experiment, By-Event Fluctuations, Nuclear Collisions, Scale Dependence, Dynamics
Abstract: Measurements of two-particle correlations on angular difference variables eta(1)-eta(2) (pseudorapidity) and phi(1)-phi(2) (azimuth) are presented for all primary charged hadrons with transverse momentum 0.15
Published: 2006

15. Proton-Lambda correlations in central Au+Au collisions at root s(NN)=200 GeV

Author: ADAMS, J, AGGARWAL, MM, AHAMMED, Z, AMONETT, J, ANDERSON, BD, ARKHIPKIN, D, AVERICHEV, GS, BADYAL, SK, BAI, Y, BALEWSKI, J, BARANNIKOVA, O, POSKANZER, AM, POTEKHIN, M, POTREBENIKOVA, E, POTUKUCHI, BVKS, PRINDLE, D, BILLMEIER, A, PRUNEAU, C, PUTSCHKE, J, RAKNESS, G, GROSNICK, D, LIU, H, RANIWALA, R, RANIWALA, S, RAVEL, O, RAY, RL, RAZIN, SV, REICHHOLD, D, REID, JG, BLAND, LC, REINNARTH, J, RENAULT, G, LIU, J, GUERTIN, SM, RETIERE, F, RIDIGER, A, RITTER, HG, ROBERTS, JB, ROGACHEVSKIY, OV, ROMERO, JL, ROSE, A, ROY, C, BLYTH, CO, LIU, L, RUAN, L, BARNBY, LS, RUSSCHER, MJ, SAHOO, R, SAKREJDA, I, SALUR, S, SANDWEISS, J, SARSOUR, M, SAVIN, I, SAZHIN, PS, LIU, QJ, SCHAMBACH, J, BLYTH, SL, GUO, Y, SCHARENBERG, RP, SCHMITZ, N, SCHWEDA, K, SEGER, J, SELYUZHENKOV, I, SEYBOTH, P, SHAHALIEV, E, LIU, Z, SHAO, M, SHAO, W, SHARMA, M, GUPTA, A, BONNER, BE, SHEN, WQ, SHESTERMANOV, KE, SHIMANSKIY, SS, SICHTERMANN, E, SIMON, F, LJUBICIC, T, SINGARAJU, RN, SMIRNOV, N, SNELLINGS, R, SOOD, G, GUPTA, N, SORENSEN, P, BOTJE, M, SOWINSKI, J, SPELTZ, J, SPINKA, HM, LLOPE, WJ, SRIVASTAVA, B, STADNIK, A, STANISLAUS, TDS, STOCK, R, STOLPOVSKY, A, GUTIERREZ, TD, STRIKHANOV, M, STRINGFELLOW, B, BOUCHAM, A, SUAIDE, AAP, LONG, H, SUGARBAKER, E, SUMBERA, M, SURROW, B, SWANGER, M, SYMONS, TJM, DE TOLEDO, AS, HALLMAN, TJ, TAI, A, TAKAHASHI, J, TANG, AH, LONGACRE, RS, BOUCHET, J, TARNOWSKY, T, THEIN, D, THOMAS, JH, TIMMINS, AR, TIMOSHENKO, S, TOKAREV, M, HAMED, A, TRAINOR, TA, TRENTALANGE, S, BHARADWAJ, S, TRIBBLE, RE, TSAI, OD, BRANDIN, AV, ULERY, J, ULLRICH, T, UNDERWOOD, DG, VAN BUREN, G, VAN DER KOLK, N, HARDTKE, D, VAN LEEUWEN, M, GANTI, MS, VANDER MOLEN, AM, VARMA, R, VASILEVSKI, IM, VASILIEV, AN, BRAVAR, A, VERNET, R, VIGDOR, SE, VIYOGI, YP, VOKAL, S, HARRIS, JW, LOPEZ-NORIEGA, M, VOLOSHIN, SA, WAGGONER, WT, WANG, F, WANG, G, WANG, XL, BYSTERSKY, M, WANG, Y, WANG, ZM, LOVE, WA, HEINZ, M, WARD, H, WATSON, JW, WEBB, JC, WESTFALL, GD, WETZLER, A, WHITTEN, C, WIEMAN, H, CADMAN, RV, WISSINK, SW, LU, Y, WITT, R, HENRY, TW, WOOD, J, WU, J, XU, N, XU, Z, XU, ZZ, YAMAMOTO, E, YEPES, P, YOO, IK, LUDLAM, T, CAI, XZ, YUREVICH, VI, BAUDOT, J, ZBOROVSKY, I, ZHANG, H, ZHANG, WM, ZHANG, Y, ZHANG, ZP, ZHONG, C, ZOULKARNEEV, R, LYNN, D, ZOULKARNEEVA, Y, ZUBAREV, AN, CAINES, H, HEPPLEMANN, S, ZUO, JX, SANCHEZ, MCD, CASTILLO, J, CATU, O, CEBRA, D, CHAJECKI, Z, MA, GL, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, CHEN, JH, HIPPOLYTE, B, CHEN, Y, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHOI, HA, MA, JG, CHRISTIE, W, COFFIN, JP, CORMIER, TM, COSENTINO, MR, CRAMER, JG, HIRSCH, A, CRAWFORD, HJ, DAS, D, DAS, S, DAUGHERITY, M, MA, YG, DE MOURA, MM, DEDOVICH, TG, DEPHILLIPS, M, DEREVSCHIKOV, AA, DIDENKO, L, DIETEL, T, HJORT, E, DOGRA, SM, DONG, WJ, DONG, X, MAGESTRO, D, DRAPER, JE, DU, F, DUBEY, AK, DUNIN, VB, DUNLOP, JC, MAZUMDAR, MRD, ECKARDT, V, HOFFMANN, GW, EDWARDS, WR, EFIMOV, LG, MAHAJAN, S, EMELIANOV, V, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, ESTIENNE, M, FACHINI, P, FAIVRE, J, FATEMI, R, HORNER, MJ, FEDORISIN, J, GEURTS, F, FILIMONOV, K, FILIP, P, FINCH, E, FINE, V, FISYAK, Y, FORNAZIER, KSF, FU, J, GAGLIARDI, CA, GAILLARD, L, HUANG, HZ, BHASIN, A, GANS, J, HUANG, SL, HUGHES, EW, HUMANIC, TJ, BEKELE, S, IGO, G, ISHIHARA, A, JACOBS, P, JACOBS, WW, JEDYNAK, M, MAHAPATRA, DP, JIANG, H, JONES, PG, JUDD, EG, KABANA, S, KANG, K, BELAGA, VV, KAPLAN, M, KEANE, D, KECHECHYAN, A, KHODYREV, VY, MAJKA, R, KIM, BC, KIRYLUK, J, KISIEL, A, KISLOV, EM, KLAY, J, KLEIN, SR, BELLINGERI-LAURIKAINEN, A, KOETKE, DD, KOLLEGGER, T, KOPYTINE, M, MANGOTRA, LK, KOTCHENDA, L, KOWALIK, KL, KRAMER, M, KRAVTSOV, P, KRAVTSOV, VI, KRUEGER, K, KUHN, C, BELLWIED, R, KULIKOV, AI, KUMAR, A, MANWEILER, R, KUTUEV, RK, KUZNETSOV, AA, LAMONT, MAC, LANDGRAF, JM, LANGE, S, LAUE, F, LAURET, J, LEBEDEV, A, BERGER, J, LEDNICKY, R, MARGETIS, S, LEE, CH, LEHOCKA, S, LEVINE, MJ, LI, C, LI, Q, LI, Y, LIN, G, LINDENBAUM, SJ, LISA, MA, BEZVERKHNY, BI, MARKERT, C, LIU, F, MARTIN, L, MARX, JN, MATIS, HS, GHAZIKHANIAN, V, MATULENKO, YA, BHATI, AK, MCCLAIN, CJ, MCSHANE, TS, MEISSNER, F, MELNICK, Y, MESCHANIN, A, MILLER, ML, MINAEV, NG, MIRONOV, C, GHOSH, P, MISCHKE, A, MISHRA, DK, BHATIA, VS, MITCHELL, J, MOHANTY, B, MOLNAR, L, MOORE, CF, MOROZOV, DA, MUNHOZ, MG, NANDI, BK, GONZALEZ, JE, NAYAK, SK, NAYAK, TK, NELSON, JM, BICHSEL, H, NETRAKANTI, PK, NIKITIN, VA, NOGACH, LV, NURUSHEV, SB, ODYNIEC, G, OGAWA, A, GOS, H, OKOROKOV, V, OLDENBURG, M, OLSON, D, PAL, SK, BIELCIK, J, PANEBRATSEV, Y, PANITKIN, SY, PAVLINOV, AI, PAWLAK, T, PEITZMANN, T, GRACHOV, O, PEREVOZTCHIKOV, V, PERKINS, C, PERYT, W, PETROV, VA, PHATAK, SC, BIELCIKOVA, J, PICHA, R, PLANINIC, M, PLUTA, J, PORILE, N, GREBENYUK, O, and PORTER, J
Subjects: Scattering, Physics, Nuclear, High Energy Physics::Phenomenology, Heavy-Ion Collisions, High Energy Physics::Experiment, Low-Energy, Nucleon, heavy-ion collisions, low-energy, nucleon, scattering
Abstract: We report on p-Lambda, p-(Lambda) over bar, (p) over bar-Lambda, and (p) over bar-(Lambda) over bar correlation functions constructed in central Au-Au collisions at root s(NN) = 200 GeV by the STAR experiment at RHIC. The proton and lambda source size is inferred from the p-Lambda and (p) over bar-(Lambda) over bar correlation functions. It is found to be smaller than the pion source size also measured by the STAR experiment at smaller transverse masses, in agreement with a scenario of a strong universal collective flow. The p-(Lambda) over bar and (p) over bar-Lambda correlation functions, which are measured for the first time, exhibit a large anticorrelation. Annihilation channels and/or a negative real part of the spin-averaged scattering length must be included in the final-state interactions calculation to reproduce the measured correlation function.
Published: 2006

16. Direct observation of dijets in central Au plus Au collisions at root s(NN)=200 GeV

Author: ADAMS, J, AGGARWAL, MM, AHAMMED, Z, AMONETT, J, ANDERSON, BD, ANDERSON, M, ARKHIPKIN, D, AVERICHEV, GS, BAI, Y, BALEWSKI, J, BARANNIKOVA, O, BARNBY, LS, BAUDOT, J, BEKELE, S, BELAGA, VV, BELLINGERI-LAURIKAINEN, A, BELLWIED, R, BEZVERKHNY, BI, BHARDWAJ, S, BHASIN, A, BHATI, AK, BICHSEL, H, BIELCIK, J, BIELCIKOVA, J, BLAND, LC, BLYTH, CO, BLYTH, SL, BONNER, BE, BOTJE, M, BOUCHET, J, BRANDIN, AV, BRAVAR, A, BYSTERSKY, M, CADMAN, RV, CAI, XZ, CAINES, H, SANCHEZ, MCD, CASTILLO, J, CATU, O, CEBRA, D, CHAJECKI, Z, CHALOUPKA, P, CHATTOPADHYAY, S, CHEN, HF, CHEN, JH, CHEN, Y, CHENG, J, CHERNEY, M, CHIKANIAN, A, CHOI, HA, CHRISTIE, W, COFFIN, JP, CORMIER, TM, COSENTINO, MR, CRAMER, JG, CRAWFORD, HJ, DAS, D, DAS, S, DAUGHERITY, M, DE MOURA, MM, DEDOVICH, TG, DEPHILLIPS, M, DEREVSCHIKOV, AA, DIDENKO, L, DIETEL, T, DJAWOTHO, P, DOGRA, SM, DONG, WJ, DONG, X, DRAPER, JE, DU, F, DUNIN, VB, DUNLOP, JC, MAZUMDAR, MRD, ECKARDT, V, EDWARDS, WR, EFIMOV, LG, EMELIANOV, V, ENGELAGE, J, EPPLEY, G, ERAZMUS, B, ESTIENNE, M, FACHINI, P, FATEMI, R, FEDORISIN, J, FILIMONOV, K, FILIP, P, FINCH, E, FINE, V, FISYAK, Y, FU, J, GAGLIARDI, CA, GAILLARD, L, GANS, J, GANTI, MS, GHAZIKHANIAN, V, GHOSH, P, GONZALEZ, JE, GORBUNOV, YG, GOS, H, GREBENYUK, O, GROSNICK, D, GUERTIN, SM, GUIMARAES, KSFF, GUO, Y, GUPTA, N, GUTIERREZ, TD, HAAG, B, HALLMAN, TJ, HAMED, A, HARRIS, JW, HE, W, HEINZ, M, HENRY, TW, HEPPLEMANN, S, HIPPOLYTE, B, HIRSCH, A, HJORT, E, HOFFMANN, GW, HORNER, MJ, HUANG, HZ, HUANG, SL, HUGHES, EW, HUMANIC, TJ, IGO, G, JACOBS, P, JACOBS, WW, JAKL, P, JIA, F, JIANG, H, JONES, PG, JUDD, EG, KABANA, S, KANG, K, KAPITAN, J, KAPLAN, M, KEANE, D, KECHECHYAN, A, KHODYREV, VY, KIM, BC, KIRYLUK, J, KISIEL, A, KISLOV, EM, KLEIN, SR, KOETKE, DD, KOLLEGGER, T, KOPYTINE, M, KOTCHENDA, L, KOUCHPIL, V, KOWALIK, KL, KRAMER, M, KRAVTSOV, P, KRAVTSOV, VI, KRUEGER, K, KUHN, C, KULIKOV, AI, KUMAR, A, KUZNETSOV, AA, LAMONT, MAC, LANDGRAF, JM, LANGE, S, LAPOINTE, S, LAUE, F, LAURET, J, LEBEDEV, A, LEDNICKY, R, LEE, CH, 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, 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, MAHAPATRA, DP, MAJKA, R, MANGOTRA, LK, MANWEILER, R, MARGETIS, S, MARKERT, C, MARTIN, L, MATIS, HS, MATULENKO, YA, MCCLAIN, CJ, MCSHANE, TS, MELNICK, Y, MESCHANIN, A, MILLER, ML, MINAEV, NG, MIODUSZEWSKI, S, MIRONOV, C, MISCHKE, A, MISHRA, DK, MITCHELL, J, MOHANTY, B, MOLNAR, L, MOORE, CF, MOROZOV, DA, MUNHOZ, MG, NANDI, BK, NATTRASS, C, NAYAK, TK, NELSON, JM, NETRAKANTI, PK, NIKITIN, VA, NOGACH, LV, NURUSHEV, SB, ODYNIEC, G, OGAWA, A, OKOROKOV, V, OLDENBURG, M, OLSON, D, PACHR, M, 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, POLJAK, N, PORILE, N, PORTER, J, POSKANZER, AM, POTEKHIN, M, POTREBENIKOVA, E, POTUKUCHI, BVKS, PRINDLE, D, PRUNEAU, C, PUTSCHKE, J, RAKNESS, G, RANIWALA, R, RANIWALA, S, RAY, RL, RAZIN, SV, REINNARTH, J, RELYEA, D, 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, SAZHIN, PS, SCHAMBACH, J, SCHARENBERG, RP, SCHMITZ, N, SCHWEDA, K, SEGER, J, SELYUZHENKOV, I, SEYBOTH, P, SHABETAI, A, SHAHALIEV, E, SHAO, M, SHARMA, M, SHEN, WQ, 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, SUMBERA, M, SUN, Z, SURROW, B, SWANGER, M, SYMONS, TJM, DE TOLEDO, AS, TAI, A, TAKAHASHI, J, TANG, AH, TARNOWSKY, T, THEIN, D, THOMAS, JH, TIMMINS, AR, TIMOSHENKO, S, TOKAREV, M, TRENTALANGE, S, TRIBBLE, RE, TSAI, OD, ULERY, J, ULLRICH, T, UNDERWOOD, DG, VAN BUREN, G, VAN DER KOLK, N, VAN LEEUWEN, M, VANDER MOLEN, AM, VARMA, R, VASILEVSKI, IM, VASILIEV, AN, VERNET, R, VIGDOR, SE, VIYOGI, YP, VOKAL, S, VOLOSHIN, SA, WAGGONER, WT, WANG, F, WANG, G, WANG, JS, WANG, XL, WANG, Y, WATSON, JW, WEBB, JC, WESTFALL, GD, WETZLER, A, WHITTEN, C, WIEMAN, H, WISSINK, SW, WITT, R, WOOD, J, WU, J, XU, N, XU, QH, XU, Z, YEPES, P, YOO, IK, YUREVICH, VI, ZHAN, W, ZHANG, H, ZHANG, WM, ZHANG, Y, ZHANG, ZP, ZHAO, Y, ZHONG, C, ZOULKARNEEV, R, ZOULKARNEEVA, Y, ZUBAREV, AN, and ZUO, JX
Subjects: Nucleus-Nucleus Collisions, Energy-Loss, Perspective, High Energy Physics::Phenomenology, Quark-Gluon Plasma, nucleus-nucleus collisions, quark-gluon plasma, hadron spectra, energy-loss, collaboration, perspective, qcd, High Energy Physics::Experiment, Hadron Spectra, Nuclear Experiment, Collaboration, Qcd
Abstract: The STAR Collaboration at the Relativistic Heavy Ion Collider reports measurements of azimuthal correlations of high transverse momentum (p(T)) charged hadrons in Au+Au collisions at higher p(T) than reported previously. As p(T) is increased, a narrow, back-to-back peak emerges above the decreasing background, providing a clear dijet signal for all collision centralities studied. Using these correlations, we perform a systematic study of dijet production and suppression in nuclear collisions, providing new constraints on the mechanisms underlying partonic energy loss in dense matter.
Published: 2006

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16 results on '"TSAI, OD"'

1. Measurement of the Bottom Quark Contribution to Nonphotonic Electron Production in p plus p Collisions at root s=200 GeV

2. Azimuthal di-hadron correlations in d plus Au and Au plus Au collisions at root s(NN)=200 GeV measured at the STAR detector

3. gamma cross section in p plus p collisions at root s=200 GeV

4. Inclusive pi(0), eta, and direct photon production at high transverse momentum in p plus p and d plus Au collisions at root s(NN)=200 GeV

5. Measurement of D* mesons in jets from p plus p collisions at root s=200 GeV

6. Spin alignment measurements of the K*(0)(892) and phi(1020) vector mesons in heavy ion collisions at root S-NN=200 GeV

7. Longitudinal double-spin asymmetry for inclusive jet production in (p)over-right-arrow + (p)over-right-arrow collisions at root s=200 GeV

8. Centrality dependence of charged hadron and strange hadron elliptic flow from root s(NN)=200 GeVAu+Au collisions

9. Scaling properties of hyperon production in Au+Au collisions at root s(NN)=200 GeV

10. Strange particle production in p+p collisions at root s=200 GeV

11. Transverse momentum and centrality dependence of High-p(T) nonphotonic electron suppression in Au plus Au collisions at root(NN)-N-S=200 GeV

12. Partonic flow and phi-meson production in Au+Au collisions at root s(NN)=200 GeV

13. Delta phi Delta eta correlations in central Au plus Au collisions at root S-NN = 200 GeV

14. Minijet deformation and charge-independent angular correlations on momentum subspace (eta, phi) in Au-Au collisions at root S-NN=130 GeV

15. Proton-Lambda correlations in central Au+Au collisions at root s(NN)=200 GeV

16. Direct observation of dijets in central Au plus Au collisions at root s(NN)=200 GeV

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