Measurement of transverse single-spin asymmetries for dijet production in proton-proton collisions at root s=200 GeV

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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/16515

Title:	Measurement of transverse single-spin asymmetries for dijet production in proton-proton collisions at root s=200 GeV
Authors:	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, MCD 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 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 SMIRNOV, N SNELLINGS, R SORENSEN, P SOWINSKI, J SPELTZ, J SPINKA, HM SRIVASTAVA, B STADNIK, A STANISLAUS, TDS STASZAK, D STEVENS, J 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 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 ZUO, JX
Keywords:	deep-inelastic scattering electromagnetic calorimeter state interactions hard-scattering drell-yan
Issue Date:	2007
Publisher:	AMER PHYSICAL SOC
Citation:	PHYSICAL REVIEW LETTERS, 99(14)
Abstract:	We report the first measurement of the opening angle distribution between pairs of jets produced in high-energy collisions of transversely polarized protons. The measurement probes (Sivers) correlations between the transverse spin orientation of a proton and the transverse momentum directions of its partons. With both beams polarized, the wide pseudorapidity (-1 <=eta <=+2) coverage for jets permits separation of Sivers functions for the valence and sea regions. The resulting asymmetries are all consistent with zero and considerably smaller than Sivers effects observed in semi-inclusive deep inelastic scattering. We discuss theoretical attempts to reconcile the new results with the sizable transverse spin effects seen in semi-inclusive deep inelastic scattering and forward hadron production in pp collisions.
URI:	http://dx.doi.org/10.1103/PhysRevLett.99.142003 http://dspace.library.iitb.ac.in/xmlui/handle/10054/16515 http://hdl.handle.net/10054/16515
ISSN:	0031-9007
Appears in Collections:	Article

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