Measurement of Bottom Versus Charm as a Function of Transverse Momentum with Electron-Hadron Correlations in p plus p Collisions at s=200 GeV

  • Adare, A.
  • Afanasiev, S.
  • Aidala, C.
  • Ajitanand, N. N.
  • Akiba, Y.
  • ... Hong, B.
  • 외 426명
Citations

WEB OF SCIENCE

73
Citations

SCOPUS

94

초록

The momentum distribution of electrons from semileptonic decays of charm and bottom quarks for midrapidity |y|< 0.35 in p+p collisions at s=200 GeV is measured by the PHENIX experiment at the Relativistic Heavy Ion Collider over the transverse momentum range 2 < p(T)< 7 GeV/c. The ratio of the yield of electrons from bottom to that from charm is presented. The ratio is determined using partial D/D -> e(+/-)K(-/+)X (K unidentified) reconstruction. It is found that the yield of electrons from bottom becomes significant above 4 GeV/c in p(T). A fixed-order-plus-next-to-leading-log perturbative quantum chromodynamics calculation agrees with the data within the theoretical and experimental uncertainties. The extracted total bottom production cross section at this energy is sigma(bb)=3.2(-1.1)(+1.2)(stat)(-1.3)(+1.4)(syst)mu b.

키워드

PHYSICSMATTER
제목
Measurement of Bottom Versus Charm as a Function of Transverse Momentum with Electron-Hadron Correlations in p plus p Collisions at s=200 GeV
저자
Adare, A.Afanasiev, S.Aidala, C.Ajitanand, N. N.Akiba, Y.Al-Bataineh, H.Alexander, J.Aoki, K.Aphecetche, L.Armendariz, R.Aronson, S. H.Asai, J.Atomssa, E. T.Averbeck, R.Awes, T. C.Azmoun, B.Babintsev, V.Bai, M.Baksay, G.Baksay, L.Baldisseri, A.Barish, K. N.Barnes, P. D.Bassalleck, B.Basye, A. T.Bathe, S.Batsouli, S.Baublis, V.Baumann, C.Bazilevsky, A.Belikov, S.Bennett, R.Berdnikov, A.Berdnikov, Y.Bickley, A. A.Boissevain, J. G.Borel, H.Boyle, K.Brooks, M. L.Buesching, H.Bumazhnov, V.Bunce, G.Butsyk, S.Camacho, C. M.Campbell, S.Chang, B. S.Chang, W. C.Charvet, J.-L.Chernichenko, S.Chiba, J.Chi, C. Y.Chiu, M.Choi, I. J.Choudhury, R. K.Chujo, T.Chung, P.Churyn, A.Cianciolo, V.Citron, Z.Cleven, C. R.Cole, B. A.Comets, M. P.Constantin, P.Csanad, M.Csorgo, T.Dahms, T.Dairaku, S.Das, K.David, G.Deaton, M. B.Dehmelt, K.Delagrange, H.Denisov, A.d'Enterria, D.Deshpande, A.Desmond, E. J.Dietzsch, O.Dion, A.Donadelli, M.Drapier, O.Drees, A.Drees, K. A.Dubey, A. K.Durum, A.Dutta, D.Dzhordzhadze, V.Efremenko, Y. V.Egdemir, J.Ellinghaus, F.Emam, W. S.Engelmore, T.Enokizono, A.En'yo, H.Esumi, S.Eyser, K. O.Fadem, B.Fields, D. E.Finger, M., Jr.Finger, M.Fleuret, F.Fokin, S. L.Fraenkel, Z.Frantz, J. E.Franz, A.Frawley, A. D.Fujiwara, K.Fukao, Y.Fusayasu, T.Gadrat, S.Garishvili, I.Glenn, A.Gong, H.Gonin, M.Gosset, J.Goto, Y.de Cassagnac, R. GranierGrau, N.Greene, S. V.Perdekamp, M. GrosseGunji, T.Gustafsson, H. -A.Hachiya, T.Henni, A. HadjHaegemann, C.Haggerty, J. S.Hamagaki, H.Han, R.Harada, H.Hartouni, E. P.Haruna, K.Haslum, E.Hayano, R.Heffner, M.Hemmick, T. K.Hester, T.He, X.Hiejima, H.Hill, J. C.Hobbs, R.Hohlmann, M.Holzmann, W.Homma, K.Hong, B.Horaguchi, T.Hornback, D.Huang, S.Ichihara, T.Ichimiya, R.Ikeda, Y.Imai, K.Imrek, J.Inaba, M.Inoue, Y.Isenhower, D.Isenhower, L.Ishihara, M.Isobe, T.Issah, M.Isupov, A.Ivanischev, D.Jacak, B. V.Jia, J.Jin, J.Jinnouchi, O.Johnson, B. M.Joo, K. S.Jouan, D.Kajihara, F.Kametani, S.Kamihara, N.Kamin, J.Kaneta, M.Kang, J. H.Kanou, H.Kapustinsky, J.Kawall, D.Kazantsev, A. V.Kempel, T.Khanzadeev, A.Kijima, K. M.Kikuchi, J.Kim, B. I.Kim, D. H.Kim, D. J.Kim, E.Kim, S. H.Kinney, E.Kiriluk, K.Kiss, A.Kistenev, E.Kiyomichi, A.Klay, J.Klein-Boesing, C.Kochenda, L.Kochetkov, V.Komkov, B.Konno, M.Koster, J.Kotchetkov, D.Kozlov, A.Kral, A.Kravitz, A.Kubart, J.Kunde, G. J.Kurihara, N.Kurita, K.Kurosawa, M.Kweon, M. J.Kwon, Y.Kyle, G. S.Lacey, R.Lai, Y.-S.Lai, Y. S.Lajoie, J. G.Layton, D.Lebedev, A.Lee, D. M.Lee, K. B.Lee, M. K.Lee, T.Leitch, M. J.Leite, M. A. L.Lenzi, B.Liebing, P.Liska, T.Litvinenko, A.Liu, H.Liu, M. X.Li, X.Love, B.Lynch, D.Maguire, C. F.Makdisi, Y. I.Malakhov, A.Malik, M. D.Manko, V. I.Mannel, E.Mao, Y.Masek, L.Masui, H.Matathias, F.McCumber, M.McGaughey, P. L.Means, N.Meredith, B.Miake, Y.Mikes, P.Miki, K.Miller, T. E.Milov, A.Mioduszewski, S.Mishra, M.Mitchell, J. T.Mitrovski, M.Mohanty, A. K.Morino, Y.Morreale, A.Morrison, D. P.Moukhanova, T. V.Mukhopadhyay, D.Murata, J.Nagamiya, S.Nagata, Y.Nagle, J. L.Naglis, M.Nagy, M. I.Nakagawa, I.Nakamiya, Y.Nakamura, T.Nakano, K.Newby, J.Nguyen, M.Niita, T.Norman, B. E.Nouicer, R.Nyanin, A. S.O'Brien, E.Oda, S. X.Ogilvie, C. A.Ohnishi, H.Okada, H.Okada, K.Oka, M.Omiwade, O. O.Onuki, Y.Oskarsson, A.Ouchida, M.Ozawa, K.Pak, R.Pal, D.Palounek, A. P. T.Pantuev, V.Papavassiliou, V.Park, J.Park, W. J.Pate, S. F.Pei, H.Peng, J.-C.Pereira, H.Peresedov, V.Peressounko, D. Yu.Pinkenburg, C.Purschke, M. L.Purwar, A. K.Qu, H.Rak, J.Rakotozafindrabe, A.Ravinovich, I.Read, K. F.Rembeczki, S.Reuter, M.Reygers, K.Riabov, V.Riabov, Y.Roach, D.Roche, G.Rolnick, S. D.Romana, A.Rosati, M.Rosendahl, S. S. E.Rosnet, P.Rukoyatkin, P.Ruzicka, P.Rykov, V. L.Sahlmueller, B.Saito, N.Sakaguchi, T.Sakai, S.Sakashita, K.Sakata, H.Samsonov, V.Sato, S.Sato, T.Sawada, S.Sedgwick, K.Seele, J.Seidl, R.Semenov, A. Yu.Semenov, V.Seto, R.Sharma, D.Shein, I.Shevel, A.Shibata, T.-A.Shigaki, K.Shimomura, M.Shoji, K.Shukla, P.Sickles, A.Silva, C. L.Silvermyr, D.Silvestre, C.Sim, K. S.Singh, B. K.Singh, C. P.Singh, V.Skutnik, S.Slunecka, M.Soldatov, A.Soltz, R. A.Sondheim, W. E.Sorensen, S. P.Sourikova, I. V.Staley, F.Stankus, P. W.Stenlund, E.Stepanov, M.Ster, A.Stoll, S. P.Sugitate, T.Suire, C.Sukhanov, A.Sziklai, J.Tabaru, T.Takagi, S.Takagui, E. M.Taketani, A.Tanabe, R.Tanaka, Y.Tanida, K.Tannenbaum, M. J.Taranenko, A.Tarjan, P.Themann, H.Thomas, T. L.Togawa, M.Toia, A.Tojo, J.Tomasek, L.Tomita, Y.Torii, H.Towell, R. S.Tram, V-N.Tserruya, I.Tsuchimoto, Y.Vale, C.Valle, H.van Hecke, H. W.Veicht, A.Velkovska, J.Vertesi, R.Vinogradov, A. A.Virius, M.Vrba, V.Vznuzdaev, E.Wagner, M.Walker, D.Wang, X. R.Watanabe, Y.Wei, F.Wessels, J.White, S. N.Winter, D.Woody, C. L.Wysocki, M.Xie, W.Yamaguchi, Y. L.Yamaura, K.Yang, R.Yanovich, A.Yasin, Z.Ying, J.Yokkaichi, S.Young, G. R.Younus, I.Yushmanov, I. E.Zajc, W. A.Zaudtke, O.Zhang, C.Zhou, S.Zimanyi, J.Zolin, L.
DOI
10.1103/PhysRevLett.103.082002
발행일
2009-08-21
유형
Article
저널명
Physical Review Letters
103
8