Event-plane-dependent dihadron correlations with harmonic v(n) subtraction in Au plus Au collisions at v root sNN=200 GeV
AGAKISHIEV, H; AGGARWAL, MM; AHAMMED, Z; ALAKHVERDYANTS, AV; ALEKSEEV, I; ALFORD, J; ANDERSON, BD; ANSON, CD; ARKHIPKIN, D; AVERICHEV, GS; BALEWSKI, J; BEAVIS, DR; BEHERA, NK; BELLWIED, R; BETANCOURT, MJ; BETTS, RR; BHASIN, A; BHATI, AK; BICHSEL, H; BIELCIK, J; BIELCIKOVA, J; BIRITZ, B; BLAND, LC; BOROWSKI, W; BOUCHET, J; BRAIDOT, E; BRANDIN, AV; BRIDGEMAN, A; BROVKO, SG; BRUNA, E; BUELTMANN, S; BUNZAROV, I; BURTON, TP; CAI, XZ; CAINES, H; SANCHEZ, MCD; CEBRA, D; CENDEJAS, R; CERVANTES, MC; CHAJECKI, Z; CHALOUPKA, P; CHATTOPADHYAY, S; CHEN, HF; CHEN, JH; CHEN, JY; CHEN, L; CHENG, J; CHERNEY, M; CHIKANIAN, A; CHOI, KE; CHRISTIE, W; CHUNG, P; CODRINGTON, MJM; CORLISS, R; CRAMER, JG; CRAWFORD, HJ; DASH, S; LEYVA, AD; DE SILVA, LC; DEBBE, RR; DEDOVICH, TG; DEREVSCHIKOV, AA; DE SOUZA, RD; DIDENKO, L; DJAWOTHO, P; DOGRA, SM; DONG, X; DRACHENBERG, JL; DRAPER, JE; DUNLOP, JC; EFIMOV, LG; ELNIMR, M; ENGELAGE, J; EPPLEY, G; ESTIENNE, M; EUN, L; EVDOKIMOV, O; FATEMI, R; FEDORISIN, J; FENG, A; FERSCH, RG; FILIP, P; FINCH, E; FINE, V; FISYAK, Y; GAGLIARDI, CA; GANGADHARAN, DR; GEROMITSOS, A; GEURTS, F; GHOSH, P; GORBUNOV, YN; GORDON, A; GREBENYUK, O; GROSNICK, D; GUERTIN, SM; GUPTA, A; GURYN, W; HAAG, B; HAJKOVA, O; HAMED, A; HAN, LX; HARRIS, JW; HAYS-WEHLE, JP; HEINZ, M; HEPPELMANN, S; HIRSCH, A; HJORT, E; HOFFMANN, GW; HOFMAN, DJ; HUANG, B; HUANG, HZ; HUMANIC, TJ; HUO, L; IGO, G; JACOBS, P; JACOBS, WW; JENA, C; JIN, F; JOSEPH, J; JUDD, EG; KABANA, S; KANG, K; KAPITAN, J; KAUDER, K; KE, H; KEANE, D; KECHECHYAN, A; KETTLER, D; KIKOLA, DP; KIRYLUK, J; KISIEL, A; KIZKA, V; KNOSPE, AG; KOETKE, DD; KOLLEGGER, T; KONZER, J; KORALT, I; KOROLEVA, L; KORSCH, W; KOTCHENDA, L; KOUCHPIL, V; KRAVTSOV, P; KRUEGER, K; KRUS, M; KUMAR, L; KURNADI, P; LAMONT, MAC; LANDGRAF, JM; LAPOINTE, S; LAURET, J; LEBEDEV, A; LEDNICKY, R; LEE, JH; LEIGHT, W; LEVINE, MJ; LI, C; LI, L; LI, N; LI, W; LI, X; LI, X; LI, Y; LI, ZM; LISA, MA; LIU, F; LIU, H; LIU, J; LJUBICIC, T; LLOPE, WJ; LONGACRE, RS; LOVE, WA; LU, Y; LUKASHOV, EV; LUO, X; MA, GL; MA, YG; MAHAPATRA, DP; MAJKA, R; MALL, OI; MANGOTRA, LK; MANWEILER, R; MARGETIS, S; MARKERT, C; MASUI, H; MATIS, HS; MATULENKO, YA; MCDONALD, D; MCSHANE, TS; MESCHANIN, A; MILNER, R; MINAEV, NG; MIODUSZEWSKI, S; MISCHKE, A; MITROVSKI, MK; MOHANTY, B; MONDAL, MM; MOROZOV, B; MOROZOV, DA; MUNHOZ, MG; NAGLIS, M; NANDI, BK; NAYAK, TK; NETRAKANTI, PK; NOGACH, LV; NURUSHEV, SB; ODYNIEC, G; OGAWA, A; OH, K; OHLSON, A; OKOROKOV, V; OLDAG, EW; OLSON, D; PACHR, M; PAGE, BS; PAL, SK; PANDIT, Y; PANEBRATSEV, Y; PAWLAK, T; PEI, H; PEITZMANN, T; PERKINS, C; PERYT, W; PHATAK, SC; PILE, P; PLANINIC, M; PLOSKON, MA; PLUTA, J; PLYKU, D; POLJAK, N; POSKANZER, AM; POTUKUCHI, BVKS; POWELL, CB; PRINDLE, D; PRUTHI, NK; PUJAHARI, PR; PUTSCHKE, J; QIU, H; RANIWALA, R; RANIWALA, S; REDWINE, R; REED, R; RITTER, HG; ROBERTS, JB; ROGACHEVSKIY, OV; ROMERO, JL; ROSE, A; RUAN, L; RUSNAK, J; SAHOO, NR; SAKAI, S; SAKREJDA, I; SAKUMA, T; SALUR, S; SANDWEISS, J; SANGALINE, E; SARKAR, A; SCHAMBACH, J; SCHARENBERG, RP; SCHMAH, AM; SCHMITZ, N; SCHUSTER, TR; SEELE, J; SEGER, J; SELYUZHENKOV, I; SEYBOTH, P; SHAHALIEV, E; SHAO, M; SHARMA, M; SHI, SS; SHOU, QY; SICHTERMANN, EP; SIMON, F; SINGARAJU, RN; SKOBY, MJ; SMIRNOV, N; SPINKA, HM; SRIVASTAVA, B; STANISLAUS, TDS; STASZAK, D; STEADMAN, SG; STEVENS, JR; STOCK, R; STRIKHANOV, M; STRINGFELLOW, B; SUAIDE, AAP; SUAREZ, MC; SUBBA, NL; SUMBERA, M; SUN, XM; SUN, Y; SUN, Z; SURROW, B; SVIRIDA, DN; SYMONS, TJM; DE TOLEDO, AS; TAKAHASHI, J; TANG, AH; TANG, Z; TARINI, LH; TARNOWSKY, T; THEIN, D; THOMAS, JH; TIAN, J; TIMMINS, AR; TLUSTY, D; TOKAREV, M; TRAM, VN; TRENTALANGE, S; TRIBBLE, RE; TRIBEDY, P; TSAI, OD; ULLRICH, T; UNDERWOOD, DG; VAN BUREN, G; VAN NIEUWENHUIZEN, G; VANFOSSEN, JA; VARMA, R; VASCONCELOS, GMS; VASILIEV, AN; VIDEBAEK, F; VIYOGI, YP; VOKAL, S; WADA, M; WALKER, M; WANG, F; WANG, G; WANG, H; WANG, JS; WANG, Q; WANG, XL; WANG, Y; WEBB, G; WEBB, JC; WESTFALL, GD; WHITTEN, C; WIEMAN, H; WISSINK, SW; WITT, R; WITZKE, W; WU, YF; XIAO, Z; XIE, W; XU, H; XU, N; XU, QH; XU, W; XU, Y; XU, Z; XUE, L; YANG, Y; YEPES, P; YIP, K; YOO, IK; ZAWISZA, M; ZBROSZCZYK, H; ZHAN, W; ZHANG, JB; ZHANG, S; ZHANG, WM; ZHANG, XP; ZHANG, Y; ZHANG, ZP; ZHAO, J; ZHONG, C; ZHOU, W; ZHU, X; ZHU, YH; ZOULKARNEEV, R; ZOULKARNEEVA, Y
Date:
2014
Abstract:
STAR measurements of dihadron azimuthal correlations (Lambda phi) are reported in midcentral (20-60%) Au + Au collisions at v root sNN = 200 GeV as a function of the trigger particle's azimuthal angle relative to the event plane, phi(s) = | phi(1) -psi(EP)|. The elliptic (v(2)), triangular (v(3)), and quadratic (v(4)) flow harmonic backgrounds are subtracted using the zero yield at mini + Au collisions. It is found that a finite near-side (| Delta phi | < pi/2) long-range pseudorapidity correlation (ridge) is present in the in-plane direction (phi(s) similar to 0). The away-side (| Delta phi | > pi/2) correlation shows a modification from d+ Au data, varying with fs. The modification may be a consequence of path-length-dependent jet quenching and may lead to a better understanding of high-density QCD.
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