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

Summary, in English

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.

• Author: 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 Baublis; A 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
• Department/s: Department of Physics; Particle and nuclear physics
• Publishing year: 2006
• Language: English
• Publication/Series: Physical Review Letters
• Volume: 96
• Issue: 3
• Links: http://dx.doi.org/10.1103/PhysRevLett.96.032001
• Document type: Journal article
• Publisher: American Physical Society
• Topic: Subatomic Physics
• Status: Published
• ISBN/ISSN/Other: ISSN: 1079-7114