High p(T) nonphotonic electron production in p plus p collisions at root s=200 GeV

Autoria(s): AGAKISHIEV, H.; AGGARWAL, M. M.; AHAMMED, Z.; ALAKHVERDYANTS, A. V.; ALEKSEEV, I.; ALFORD, J.; ANDERSON, B. D.; ANSON, C. D.; ARKHIPKIN, D.; AVERICHEV, G. S.; BALEWSKI, J.; BEAVIS, D. R.; BEHERA, N. K.; BELLWIED, R.; BETANCOURT, M. J.; BETTS, R. R.; BHASIN, A.; BHATI, A. K.; BICHSEL, H.; BIELCIK, J.; BIELCIKOVA, J.; BIRITZ, B.; BLAND, L. C.; BORDYUZHIN, I. G.; BOROWSKI, W.; BOUCHET, J.; BRAIDOT, E.; BRANDIN, A. V.; BRIDGEMAN, A.; BROVKO, S. G.; BRUNA, E.; BUELTMANN, S.; BUNZAROV, I.; BURTON, T. P.; CAI, X. Z.; CAINES, H.; SANCHEZ, M. Calderon de la Barca; CEBRA, D.; CENDEJAS, R.; CERVANTES, M. C.; CHAJECKI, Z.; CHALOUPKA, P.; CHATTOPADHYAY, S.; CHEN, H. F.; CHEN, J. H.; CHEN, J. Y.; CHEN, L.; CHENG, J.; CHERNEY, M.; CHIKANIAN, A.; CHOI, K. E.; CHRISTIE, W.; CHUNG, P.; CODRINGTON, M. J. M.; CORLISS, R.; CRAMER, J. G.; CRAWFORD, H. J.; DASH, S.; LEYVA, A. Davila; SILVA, L. C. De; DEBBE, R. R.; DEDOVICH, T. G.; DEREVSCHIKOV, A. A.; SOUZA, R. Derradi De; DIDENKO, L.; DJAWOTHO, P.; DOGRA, S. M.; DONG, X.; DRACHENBERG, J. L.; DRAPER, J. E.; DUNLOP, J. C.; EFIMOV, L. G.; ELNIMR, M.; ENGELAGE, J.; EPPLEY, G.; ESTIENNE, M.; EUN, L.; EVDOKIMOV, O.; FATEMI, R.; FEDORISIN, J.; FERSCH, R. G.; FILIP, P.; FINCH, E.; FINE, V.; FISYAK, Y.; GAGLIARDI, C. A.; GANGADHARAN, D. R.; GEROMITSOS, A.; GEURTS, F.; GHOSH, P.; GORBUNOV, Y. N.; GORDON, A.; GREBENYUK, O. G.; GROSNICK, D.; GUERTIN, S. M.; GUPTA, A.; GURYN, W.; HAAG, B.; HAJKOVA, O.; HAMED, A.; HAN, L-X.; HARRIS, J. W.; HAYS-WEHLE, J. P.; HEINZ, M.; HEPPELMANN, S.; HIRSCH, A.; HJORT, E.; HOFFMANN, G. W.; HOFMAN, D. J.; HUANG, B.; HUANG, H. Z.; HUMANIC, T. J.; HUO, L.; IGO, G.; JACOBS, P.; JACOBS, W. W.; JENA, C.; JIN, F.; JOSEPH, J.; JUDD, E. G.; KABANA, S.; KANG, K.; KAPITAN, J.; KAUDER, K.; KE, H. W.; KEANE, D.; KECHECHYAN, A.; KETTLER, D.; KIKOLA, D. P.; KIRYLUK, J.; KISIEL, A.; KIZKA, V.; KLEIN, S. R.; KNOSPE, A. G.; KOETKE, D. D.; 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, M. A. C.; LANDGRAF, J. M.; LAPOINTE, S.; LAURET, J.; LEBEDEV, A.; LEDNICKY, R.; LEE, J. H.; LEIGHT, W.; LEVINE, M. J.; LI, C.; LI, L.; LI, N.; LI, W.; LI, X.; LI, Y.; LI, Z. M.; LISA, M. A.; LIU, F.; LIU, H.; LIU, J.; LJUBICIC, T.; LLOPE, W. J.; LONGACRE, R. S.; LOVE, W. A.; LU, Y.; LUKASHOV, E. V.; LUO, X.; MA, G. L.; MA, Y. G.; MAHAPATRA, D. P.; MAJKA, R.; MALL, O. I.; MANGOTRA, L. K.; MANWEILER, R.; MARGETIS, S.; MARKERT, C.; MASUI, H.; MATIS, H. S.; MATULENKO, Yu. A.; MCDONALD, D.; MCSHANE, T. S.; MESCHANIN, A.; MILNER, R.; MINAEV, N. G.; MIODUSZEWSKI, S.; MISCHKE, A.; MITROVSKI, M. K.; MOHAMMED, Y.; MOHANTY, B.; MONDAL, M. M.; MOROZOV, B.; MOROZOV, D. A.; Munhoz, Marcelo Gameiro; MUSTAFA, M. K.; NAGLIS, M.; NANDI, B. K.; NAYAK, T. K.; NETRAKANTI, P. K.; NOGACH, L. V.; NURUSHEV, S. B.; ODYNIEC, G.; OGAWA, A.; OH, K.; OHLSON, A.; OKOROKOV, V.; OLDAG, E. W.; OLSON, D.; PACHR, M.; PAGE, B. S.; PAL, S. K.; PANDIT, Y.; PANEBRATSEV, Y.; PAWLAK, T.; PEI, H.; PEITZMANN, T.; PERKINS, C.; PERYT, W.; PHATAK, S. C.; PILE, P.; PLANINIC, M.; PLOSKON, M. A.; PLUTA, J.; PLYKU, D.; POLJAK, N.; POSKANZER, A. M.; POTUKUCHI, B. V. K. S.; POWELL, C. B.; PRINDLE, D.; PRUNEAU, C.; PRUTHI, N. K.; PUJAHARI, P. R.; PUTSCHKE, J.; QIU, H.; RANIWALA, R.; RANIWALA, S.; RAY, R. L.; REDWINE, R.; REED, R.; RITTER, H. G.; ROBERTS, J. B.; ROGACHEVSKIY, O. V.; ROMERO, J. L.; ROSE, A.; RUAN, L.; RUSNAK, J.; SAHOO, N. R.; SAKAI, S.; SAKREJDA, I.; SALUR, S.; SANDWEISS, J.; SANGALINE, E.; SARKAR, A.; SCHAMBACH, J.; SCHARENBERG, R. P.; SCHMAH, A. M.; SCHMITZ, N.; SCHUSTER, T. R.; SEELE, J.; SEGER, J.; SELYUZHENKOV, I.; SEYBOTH, P.; SHAHALIEV, E.; SHAO, M.; SHARMA, M.; SHI, S. S.; SHOU, Q. Y.; SICHTERMANN, E. P.; SIMON, F.; SINGARAJU, R. N.; SKOBY, M. J.; SMIRNOV, N.; SORENSEN, P.; SPINKA, H. M.; SRIVASTAVA, B.; STANISLAUS, T. D. S.; STASZAK, D.; STEADMAN, S. G.; STEVENS, J. R.; STOCK, R.; STRIKHANOV, M.; STRINGFELLOW, B.; Suaide, Alexandre Alarcon do Passo; SUAREZ, M. C.; SUBBA, N. L.; SUMBERA, M.; SUN, X. M.; SUN, Y.; SUN, Z.; SURROW, B.; SVIRIDA, D. N.; SYMONS, T. J. M.; Szanto de Toledo, Alejandro; TAKAHASHI, J.; TANG, A. H.; TANG, Z.; TARINI, L. H.; TARNOWSKY, T.; THEIN, D.; THOMAS, J. H.; TIAN, J.; TIMMINS, A. R.; TLUSTY, D.; TOKAREV, M.; TRAINOR, T. A.; TRAM, V. N.; TRENTALANGE, S.; TRIBBLE, R. E.; TRIBEDY, P.; TSAI, O. D.; ULLRICH, T.; UNDERWOOD, D. G.; BUREN, G. Van; NIEUWENHUIZEN, G. Van; VANFOSSEN JR., J. A.; VARMA, R.; VASCONCELOS, G. M. S.; VASILIEV, A. N.; VIDEBAEK, F.; VIYOGI, Y. P.; VOKAL, S.; VOLOSHIN, S. A.; WADA, M.; WALKER, M.; WANG, F.; WANG, G.; WANG, H.; WANG, J. S.; WANG, Q.; WANG, X. L.; WANG, Y.; WEBB, G.; WEBB, J. C.; WESTFALL, G. D.; WHITTEN JR., C.; WIEMAN, H.; WISSINK, S. W.; WITT, R.; WITZKE, W.; WU, Y. F.; XIAO, Z.; XIE, W.; XU, H.; XU, N.; XU, Q. H.; XU, W.; XU, Y.; XU, Z.; XUE, L.; YANG, Y.; YEPES, P.; YIP, K.; YOO, I-K.; ZAWISZA, M.; ZBROSZCZYK, H.; ZHAN, W.; ZHANG, J. B.; ZHANG, S.; ZHANG, W. M.; ZHANG, X. P.; ZHANG, Y.; ZHANG, Z. P.; ZHAO, J.; ZHONG, C.; ZHOU, W.; ZHU, X.; ZHU, Y. H.; ZOULKARNEEV, R.; ZOULKARNEEVA, Y.
Contribuinte(s)

UNIVERSIDADE DE SÃO PAULO
Data(s)

18/04/2012

18/04/2012

2011
Resumo

We present the measurement of nonphotonic electron production at high transverse momentum (p(T) > 2.5 GeV/c) in p + p collisions at root s = 200 GeV using data recorded during 2005 and 2008 by the STAR experiment at the Relativistic Heavy Ion Collider (RHIC). The measured cross sections from the two runs are consistent with each other despite a large difference in photonic background levels due to different detector configurations. We compare the measured nonphotonic electron cross sections with previously published RHIC data and perturbative quantum chromodynamics calculations. Using the relative contributions of B and D mesons to nonphotonic electrons, we determine the integrated cross sections of electrons (e++e-2/2) at 3 GeV/c < p(T) < 10 GeV/c from bottom and charm meson decays to be [(d sigma((B -> e)+(B -> D -> e))/(dy(e))](ye=0) 4.0 +/- 0.5(stat) +/- 1.1(syst) nb and [(d sigma(D -> e))/(dy(e))](ye=0) = 6.2 +/- 0.7(stat) +/- 1.5(syst) nb, respectively.

RHIC Operations Group

RCF at BNL

NERSC Center at LBNL

Open Science Grid consortium

Offices of NP within the US DOE Office of Science

U.S. Department of Energy (DOE) - HEP

U.S. DOE Office of Science

U.S. NSF National Science Foundation

Sloan Foundation

Deutsche Forschungsgemeinschaft - DFG cluster of excellence ""Origin and Structure of the Universe'' of Germany

FAPESP

CNPq of Brazil

MES Ministry of Education and Science of the Russian Federation

National Natural Science Foundation of China (NNSFC)

CAS of China

MoST of China

MoE of China

GACR Grant Agency of the Academy of Sciences of the Czech Republic

MSMT of the Czech Republic

FOM of the Netherlands

NWO of the Netherlands

(DAE) Department of Atomic Energy, India

(DST) Department of Science and Technology, India

(CSIR) Council of Scientific and Industrial Research - India

Polish Ministry of Science and Higher Education

Korea Research Foundation (KRF)

Ministry of Science, Education and Sports of the Republic Of Croatia

RosAtom of Russia

Centre National de la Recherche Scientifique [CNRS/IN2P3]
Identificador

PHYSICAL REVIEW D, v.83, n.5, 2011

1550-7998

http://producao.usp.br/handle/BDPI/16283

10.1103/PhysRevD.83.052006

http://dx.doi.org/10.1103/PhysRevD.83.052006
Idioma(s)

eng
Publicador

AMER PHYSICAL SOC
Relação

Physical Review D
Direitos

restrictedAccess

Copyright AMER PHYSICAL SOC
Palavras-Chave #TIME PROJECTION CHAMBER #HEAVY-ION COLLISIONS #STAR #TOMOGRAPHY #SYSTEM #Astronomy & Astrophysics #Physics, Particles & Fields
Tipo

article

original article

publishedVersion
Acesso ao item digital