Single electrons from heavy-flavor decays in p + p collisions at root s=200 GeV

SS Adler, S Afanasiev, C Aidala, NN Ajitanand, Y Akiba, J Alexander, R Amirikas, L Aphecetche, SH Aronson, R Averbeck, TC Awes, R Azmoun, V Babintsev, A Baldisseri, KN Barish, PD Barnes, B Bassalleck, S Bathe, S Batsouli, V BaublisA Bazilevsky, S Belikov, Y Berdnikov, S Bhagavatula, JG Boissevain, H Borel, S Borenstein, ML Brooks, DS Brown, N Bruner, D Bucher, H Buesching, V Bumazhnov, G Bunce, JM Burward-Hoy, S Butsyk, X Camard, J-S Chai, P Chand, WC Chang, S Chernichenko, CY Chi, J Chiba, M Chiu, IJ Choi, J Choi, RK Choudhury, T Chujo, V Cianciolo, Y Cobigo, BA Cole, P Constantin, D d'Enterria, G David, H Delagrange, A Denisov, A Deshpande, EJ Desmond, A Devismes, O Dietzsch, O Drapier, A Drees, Rickard du Rietz, A Durum, D Dutta, YV Efremenko, KE Chenawi, A Enokizono, H En'yo, S Esumi, L Ewell, DE Fields, F Fleuret, SL Fokin, BD Fox, Z Fraenkel, JE Frantz, A Franz, AD Frawley, S-Y Fung, Sten Garpman, TK Ghosh, A Glenn, G Gogiberidze, M Gonin, J Gosset, Y Goto, RG de Cassagnac, N Grau, SV Greene, MG Perdekamp, W Guryn, Hans-Åke Gustafsson, T Hachiya, JS Haggerty, H Hamagaki, AG Hansen, EP Hartouni, M Harvey, R Hayano, N Hayashi, X He, M Heffner, TK Hemmick, JM Heuser, M Hibino, JC Hill, W Holzmann, K Homma, B Hong, A Hoover, T Ichihara, VV Ikonnikov, K Imai, D Isenhower, M Ishihara, M Issah, A Isupov, BV Jacak, WY Jang, Y Jeong, J Jia, O Jinnouchi, BM Johnson, SC Johnson, KS Joo, D Jouan, S Kametani, N Kamihara, JH Kang, SS Kapoor, K Katou, S Kelly, B Khachaturov, A Khanzadeev, J Kikuchi, DH Kim, DJ Kim, DW Kim, E Kim, G-B Kim, HJ Kim, E Kistenev, A Kiyomichi, K Kiyoyama, C Klein-Boesing, H Kobayashi, L Kochenda, V Kochetkov, D Koehler, T Kohama, M Kopytine, D Kotchetkov, A Kozlov, PJ Kroon, CH Kuberg, K Kurita, Y Kuroki, MJ Kweon, Y Kwon, GS Kyle, R Lacey, V Ladygin, JG Lajoie, A Lebedev, S Leckey, DM Lee, S Lee, MJ Leitch, XH Li, H Lim, A Litvinenko, MX Liu, Y Liu, CF Maguire, YI Makdisi, A Malakhov, VI Manko, Y Mao, G Martinez, MD Marx, H Masui, F Matathias, T Matsumoto, PL McGaughey, E Melnikov, F Messer, Y Miake, J Milan, TE Miller, A Milov, S Mioduszewski, RE Mischke, GC Mishra, JT Mitchell, AK Mohanty, DP Morrison, JM Moss, F Muhlbacher, D Mukhopadhyay, M Muniruzzaman, J Murata, S Nagamiya, JL Nagle, T Nakamura, BK Nandi, M Nara, J Newby, P Nilsson, AS Nyanin, Joakim Nystrand, E O'Brien, CA Ogilvie, H Ohnishi, ID Ojha, K Okada, M Ono, V Onuchin, Anders Oskarsson, Ingvar Otterlund, K Oyama, K Ozawa, D Pal, APT Palounek, V Pantuev, V Papavassiliou, J Park, A Parmar, SF Pate, T Peitzmann, J-C Peng, V Peresedov, C Pinkenburg, RP Pisani, F Plasil, ML Purschke, AK Purwar, J Rak, I Ravinovich, KF Read, M Reuter, K Reygers, V Riabov, Y Riabov, G Roche, A Romana, M Rosati, P Rosnet, SS Ryu, ME Sadler, N Saito, T Sakaguchi, M Sakai, S Sakai, V Samsonov, L Sanfratello, R Santo, HD Sato, S Sato, S Sawada, Y Schutz, V Semenov, R Seto, MR Shaw, TK Shea, T-A Shibata, K Shigaki, T Shiina, CL Silva, David Silvermyr, KS Sim, CP Singh, V Singh, M Sivertz, A Soldatov, RA Soltz, WE Sondheim, Stacey Ristinmaa Sörensen, IV Sourikova, F Staley, PW Stankus, Evert Stenlund, M Stepanov, A Ster, SP Stoll, T Sugitate, JP Sullivan, EM Takagui, A Taketani, M Tamai, KH Tanaka, Y Tanaka, K Tanida, MJ Tannenbaum, P Tarjan, JD Tepe, TL Thomas, J Tojo, H Torii, RS Towell, I Tserruya, H Tsuruoka, SK Tuli, Henrik Tydesjö, N Tyurin, HW van Hecke, J Velkovska, M Velkovsky, V Veszpremi, L Villatte, AA Vinogradov, MA Volkov, E Vznuzdaev, XR Wang, Y Watanabe, SN White, FK Wohn, CL Woody, W Xie, Y Yang, A Yanovich, S Yokkaichi, GR Young, IE Yushmanov, WA Zajc, C Zhang, S Zhou, SJ Zhou, L Zolin

Research output: Contribution to journalArticlepeer-review

Abstract

The invariant differential cross section for inclusive electron production in p+p collisions at root s=200 GeV has been measured by the PHENIX experiment at the BNL Relativistic Heavy Ion Collider over the transverse momentum range 0.4 <= p(T) <= 5.0 GeV/c in the central rapidity region (vertical bar eta vertical bar <= 0.35). The contribution to the inclusive electron spectrum from semileptonic decays of hadrons carrying heavy flavor, i.e., charm quarks or, at high p(T), bottom quarks, is determined via three independent methods. The resulting electron spectrum from heavy-flavor decays is compared to recent leading and next-to-leading order perturbative QCD calculations. The total cross section of charm quark-antiquark pair production is determined to be sigma(c (c) over bar) = 0.92 +/- 0.15(stat) +/- 0.54(syst) mb.
Original languageEnglish
Article number032001
JournalPhysical Review Letters
Volume96
Issue number3
DOIs
Publication statusPublished - 2006

Bibliographical note

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Particle Physics (011013002), Physics, science (011013100)

Subject classification (UKÄ)

  • Subatomic Physics

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