Single Electrons from Heavy-Flavor Decays inp+pCollisions ats=200  GeV

S S Adler,S Butsyk,M Harvey,K Katou,D E Fields,F Staley,J S Haggerty,H Tsuruoka,G R Young,S F Pate,M Rosati,M Hibino,D Bucher,M J Leitch,S Yokkaichi,V V Ikonnikov,A Durum,M Heffner,R K Choudhury,C H Kuberg,Z Fraenkel,K Kiyoyama,E M Takagui,F K Wohn,T Hachiya,X Camard,A K Purwar,N N Ajitanand,M L Brooks,T C Awes,M Ono,E Kistenev,N Kamihara,D Mukhopadhyay,A Drees,H Delagrange,W A Zajc,R Lacey,I V Sourikova,K S Sim,E Stenlund,S H Aronson,A Enokizono,W E Sondheim,A D Frawley,I J Choi,R E Mischke,Y Riabov,K Tanida,S Garpman,O Dietzsch,I Ravinovich,Y Goto,V Papavassiliou,J Newby,M Sivertz,S C Johnson,G Roche,B Khachaturov,S Chernichenko,W C Chang,G S Kyle,M J Tannenbaum,R Seto,A Kozlov,J P Sullivan,Y Watanabe,V Singh,W Guryn,Y Akiba,K Kurita,Y Berdnikov,Y Kuroki,L Sanfratello,S Esumi,B M Johnson,J Choi,S Zhou,E Vznuzdaev,D Kotchetkov,L Aphecetche,B Bassalleck,H W Van Hecke,L Ewell,P L Mcgaughey,J M Burward-Hoy,R S Towell,M E Sadler,R Amirikas,C L Woody,V Cianciolo,L Kochenda,J Milan,S Nagamiya,M Muniruzzaman,E P Hartouni,J D Tepe,S S Kapoor,A Lebedev,Y Cobigo,K El Chenawi,C P Singh,A Devismes,S P Stoll,O Drapier,J M Heuser,A Taketani,S K Tuli,K Imai,R A Soltz,T Peitzmann,M Kopytine,S Kametani,T Matsumoto,J H Kang,D M Lee,Y I Makdisi,B D Fox,A Yanovich,A Romana,T Kohama,K N Barish,D P Morrison,P Chand,S Batsouli,F Messer,C Pinkenburg,D Jouan,A Franz,R Santo,K Okada,I Tserruya,L Villatte,T Shiina,J E Frantz,P W Stankus,M Grosse Perdekamp,I Otterlund,F Matathias,A Denisov,S Afanasiev,R P Pisani,J Chiba,I E Yushmanov,G Bunce,D Koehler,W Y Jang,V Bumazhnov,T Ichihara,T K Shea,A Bazilevsky,V Babintsev,M Velkovsky,N Grau,A Deshpande,S Sawada,J Murata,A Hoover,V Baublis,I D Ojha,D Isenhower,G Gogiberidze,S Leckey,E J Desmond,J L Nagle,H Masui,E Melnikov,A Isupov,P J Kroon,T K Hemmick,N Bruner,S Mioduszewski,Y Tanaka,R Granier De Cassagnac,J G Boissevain,G David,A Ster,P Tarján,M Gonin,T L Thomas,M Stepanov,W Holzmann,V Peresedov,M Chiu,M Issah,S Bathe,S Bhagavatula,S Borenstein,C A Ogilvie,M J Kweon,R Azmoun,J C Hill,J G Lajoie,S Sakai,Y V Efremenko,H Lim,E O’Brien,A Kiyomichi,O Jinnouchi,T Sakaguchi,D Pal,V Veszprémi,M L Purschke,K Oyama,J M Moss,R Hayano,D S Brown,S Y Fung ,K S Joo,B Cole ,L Zolin,J Gösset ,J Nystrand,T E Miller,V Manko ,D W Kim,A Milov,F Plášil ,A K Mohanty,D Silvermyr,V Riabov,E Kim,H Ohnìshì ,Susumu Sato ,M X Liu,M Ishihara,J T Mitchell,V Semenov,S Greene ,H Å Gustafsson ,S White ,J Velkovska,S Kelly,M Tamai,Naoki Hayashi ,B Hong,H Buesching,Y Liu,M Nara,B Jacak ,Yi Yang ,A Soldatov,V Kochetkov,R Du Rietz ,J Rak,X He,J Jia,K Ozawa,T Nakamura,С Беликов ,J Alexander,M Marx ,H J Kim,M Sakai,C Y ,A Parmar,N Saito,K Shigaki,Kazuhiro Tanaka ,C Maguire ,A Glenn,S S Ryu,Yu Seon Jeong ,S Sörensen ,A Nyanin ,V Samsonov,R Averbeck,T Sugitate,Y Kwon,М А Volkov ,A P.t Palounek ,D D’Enterria,P Nilsson,G Martı́nez ,P Rosnet,Y Mao,C L Silva,J S Chai ,X R Wang,D H Kim,H En’Yo,A Malakhov,K Reygers,M Reuter,Christian Klein-Boesing ,H Torii,A Litvinenko,T Chujo,K Homma,H Tydesjö,H Hamagaki,S Lee,V Pantuev,H Sato ,Tarun Kanti Ghosh ,J Tojo,J Park,А Виноградов ,A Öskarsson ,D J Kim,N Tyurin,M R Shaw,W Xie,P D Barnes,T A Shibata ,A Hansen ,A Baldisseri,Y Miake,G C Mishra,J C Peng ,X H Li,B K Nandi,C Zhang,F Mühlbacher,K F Read,C A Aidala ,V Onuchìn ,S Fokin ,V P Ladygin ,A Khanzadeev,Hisao Kobayashi ,D Dutta,G B Kim ,P Constantin,Jun Kikuchi ,H Borel,F Fleuret,Y Schütz

doi:10.1103/physrevlett.96.032001

Abstract

The invariant differential cross section for inclusive electron production in p+p collisions at [FORMULA: SEE TEXT] has been measured by the PHENIX experiment at the BNL Relativistic Heavy Ion Collider over the transverse momentum range 0.4<or=pT<OR=5.0 GeV/c in the central rapidity region ([FORMULA: SEE TEXT]). The contribution to the inclusive electron spectrum from semileptonic decays of hadrons carrying heavy flavor, i.e., charm quarks or, at high , 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 [FORMULA: SEE TEXT].

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