在质心能量√s = 1.96 TeV的质子-质子碰撞中，首次测量与单个粲夸克相关联产生的W玻色子。
First measurement of W boson production in association with a single Charm quark in pp collisions at sqrt(s)=1.96 TeV.
作者信息
Aaltonen T, Adelman J, Akimoto T, Albrow M G, Alvarez González B, Amerio S, Amidei D, Anastassov A, Annovi A, Antos J, Aoki M, Apollinari G, Apresyan A, Arisawa T, Artikov A, Ashmanskas W, Attal A, Aurisano A, Azfar F, Azzi-Bacchetta P, Azzurri P, Bacchetta N, Badgett W, Barbaro-Galtieri A, Barnes V E, Barnett B A, Baroiant S, Bartsch V, Bauer G, Beauchemin P-H, Bedeschi F, Bednar P, Behari S, Bellettini G, Bellinger J, Belloni A, Benjamin D, Beretvas A, Beringer J, Berry T, Bhatti A, Binkley M, Bisello D, Bizjak I, Blair R E, Blocker C, Blumenfeld B, Bocci A, Bodek A, Boisvert V, Bolla G, Bolshov A, Bortoletto D, Boudreau J, Boveia A, Brau B, Bridgeman A, Brigliadori L, Bromberg C, Brubaker E, Budagov J, Budd H S, Budd S, Burkett K, Busetto G, Bussey P, Buzatu A, Byrum K L, Cabrera S, Campanelli M, Campbell M, Canelli F, Canepa A, Carlsmith D, Carosi R, Carrillo S, Carron S, Casal B, Casarsa M, Castro A, Catastini P, Cauz D, Cavalli-Sforza M, Cerri A, Cerrito L, Chang S H, Chen Y C, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho K, Chokheli D, Chou J P, Choudalakis G, Chuang S H, Chung K, Chung W H, Chung Y S, Ciobanu C I, Ciocci M A, Clark A, Clark D, Compostella G, Convery M E, Conway J, Cooper B, Copic K, Cordelli M, Cortiana G, Crescioli F, Cuenca Almenar C, Cuevas J, Culbertson R, Cully J C, Dagenhart D, Datta M, Davies T, de Barbaro P, De Cecco S, Deisher A, De Lentdecker G, De Lorenzo G, Dell'Orso M, Demortier L, Deng J, Deninno M, De Pedis D, Derwent P F, Di Giovanni G P, Dionisi C, Di Ruzza B, Dittmann J R, D'Onofrio M, Donati S, Dong P, Donini J, Dorigo T, Dube S, Efron J, Erbacher R, Errede D, Errede S, Eusebi R, Fang H C, Farrington S, Fedorko W T, Feild R G, Feindt M, Fernandez J P, Ferrazza C, Field R, Flanagan G, Forrest R, Forrester S, Franklin M, Freeman J C, Furic I, Gallinaro M, Galyardt J, Garberson F, Garcia J E, Garfinkel A F, Genser K, Gerberich H, Gerdes D, Giagu S, Giakoumopolou V, Giannetti P, Gibson K, Gimmell J L, Ginsburg C M, Giokaris N, Giordani M, Giromini P, Giunta M, Glagolev V, Glenzinski D, Gold M, Goldschmidt N, Golossanov A, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw A T, Goulianos K, Gresele A, Grinstein S, Grosso-Pilcher C, Grundler U, Guimaraes da Costa J, Gunay-Unalan Z, Haber C, Hahn K, Hahn S R, Halkiadakis E, Hamilton A, Han B-Y, Han J Y, Handler R, Happacher F, Hara K, Hare D, Hare M, Harper S, Harr R F, Harris R M, Hartz M, Hatakeyama K, Hauser J, Hays C, Heck M, Heijboer A, Heinemann B, Heinrich J, Henderson C, Herndon M, Heuser J, Hewamanage S, Hidas D, Hill C S, Hirschbuehl D, Hocker A, Hou S, Houlden M, Hsu S-C, Huffman B T, Hughes R E, Husemann U, Huston J, Incandela J, Introzzi G, Iori M, Ivanov A, Iyutin B, James E, Jayatilaka B, Jeans D, Jeon E J, Jindariani S, Johnson W, Jones M, Joo K K, Jun S Y, Jung J E, Junk T R, Kamon T, Kar D, Karchin P E, Kato Y, Kephart R, Kerzel U, Khotilovich V, Kilminster B, Kim D H, Kim H S, Kim J E, Kim M J, Kim S B, Kim S H, Kim Y K, Kimura N, Kirsch L, Klimenko S, Klute M, Knuteson B, Ko B R, Koay S A, Kondo K, Kong D J, Konigsberg J, Korytov A, Kotwal A V, Kraus J, Kreps M, Kroll J, Krumnack N, Kruse M, Krutelyov V, Kubo T, Kuhlmann S E, Kuhr T, Kulkarni N P, Kusakabe Y, Kwang S, Laasanen A T, Lai S, Lami S, Lammel S, Lancaster M, Lander R L, Lannon K, Lath A, Latino G, Lazzizzera I, LeCompte T, Lee J, Lee J, Lee Y J, Lee S W, Lefèvre R, Leonardo N, Leone S, Levy S, Lewis J D, Lin C, Lin C S, Linacre J, Lindgren M, Lipeles E, Liss T M, Lister A, Litvintsev D O, Liu T, Lockyer N S, Loginov A, Loreti M, Lovas L, Lu R-S, Lucchesi D, Lueck J, Luci C, Lujan P, Lukens P, Lungu G, Lyons L, Lys J, Lysak R, Lytken E, Mack P, MacQueen D, Madrak R, Maeshima K, Makhoul K, Maki T, Maksimovic P, Malde S, Malik S, Manca G, Mangano M L, Manousakis A, Margaroli F, Marino C, Marino C P, Martin A, Martin M, Martin V, Martínez M, Martínez-Ballarín R, Maruyama T, Mastrandrea P, Masubuchi T, Mattson M E, Mazzanti P, McFarland K S, McIntyre P, McNulty R, Mehta A, Mehtala P, Menzemer S, Menzione A, Merkel P, Mesropian C, Messina A, Miao T, Miladinovic N, Miles J, Miller R, Mills C, Milnik M, Mitra A, Mitselmakher G, Miyake H, Moed S, Moggi N, Moon C S, Moore R, Morello M, Movilla Fernandez P, Mülmenstädt J, Mukherjee A, Muller Th, Mumford R, Murat P, Mussini M, Nachtman J, Nagai Y, Nagano A, Naganoma J, Nakamura K, Nakano I, Napier A, Necula V, Neu C, Neubauer M S, Nielsen J, Nodulman L, Norman M, Norniella O, Nurse E, Oh S H, Oh Y D, Oksuzian I, Okusawa T, Oldeman R, Orava R, Osterberg K, Pagan Griso S, Pagliarone C, Palencia E, Papadimitriou V, Papaikonomou A, Paramonov A A, Parks B, Pashapour S, Patrick J, Pauletta G, Paulini M, Paus C, Pellett D E, Penzo A, Phillips T J, Piacentino G, Piedra J, Pinera L, Pitts K, Plager C, Pondrom L, Portell X, Poukhov O, Pounder N, Prakoshyn F, Pronko A, Proudfoot J, Ptohos F, Punzi G, Pursley J, Rademacker J, Rahaman A, Ramakrishnan V, Ranjan N, Redondo I, Reisert B, Rekovic V, Renton P, Rescigno M, Richter S, Rimondi F, Ristori L, Robson A, Rodrigo T, Rogers E, Rolli S, Roser R, Rossi M, Rossin R, Roy P, Ruiz A, Russ J, Rusu V, Saarikko H, Safonov A, Sakumoto W K, Salamanna G, Saltó O, Santi L, Sarkar S, Sartori L, Sato K, Savoy-Navarro A, Scheidle T, Schlabach P, Schmidt E E, Schmidt M A, Schmidt M P, Schmitt M, Schwarz T, Scodellaro L, Scott A L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Sexton-Kennedy L, Sfyria A, Shalhout S Z, Shapiro M D, Shears T, Shepard P F, Sherman D, Shimojima M, Shochet M, Shon Y, Shreyber I, Sidoti A, Sinervo P, Sisakyan A, Slaughter A J, Slaunwhite J, Sliwa K, Smith J R, Snider F D, Snihur R, Soderberg M, Soha A, Somalwar S, Sorin V, Spalding J, Spinella F, Spreitzer T, Squillacioti P, Stanitzki M, Denis R St, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Stuart D, Suh J S, Sukhanov A, Sun H, Suslov I, Suzuki T, Taffard A, Takashima R, Takeuchi Y, Tanaka R, Tecchio M, Teng P K, Terashi K, Thom J, Thompson A S, Thompson G A, Thomson E, Tipton P, Tiwari V, Tkaczyk S, Toback D, Tokar S, Tollefson K, Tomura T, Tonelli D, Torre S, Torretta D, Tourneur S, Trischuk W, Tu Y, Turini N, Ukegawa F, Uozumi S, Vallecorsa S, van Remortel N, Varganov A, Vataga E, Vázquez F, Velev G, Vellidis C, Veszpremi V, Vidal M, Vidal R, Vila I, Vilar R, Vine T, Vogel M, Volobouev I, Volpi G, Würthwein F, Wagner P, Wagner R G, Wagner R L, Wagner-Kuhr J, Wagner W, Wakisaka T, Wallny R, Wang S M, Warburton A, Waters D, Weinberger M, Wester W C, Whitehouse B, Whiteson D, Wicklund A B, Wicklund E, Williams G, Williams H H, Wilson P, Winer B L, Wittich P, Wolbers S, Wolfe C, Wright T, Wu X, Wynne S M, Yagil A, Yamamoto K, Yamaoka J, Yamashita T, Yang C, Yang U K, Yang Y C, Yao W M, Yeh G P, Yoh J, Yorita K, Yoshida T, Yu G B, Yu I, Yu S S, Yun J C, Zanello L, Zanetti A, Zaw I, Zhang X, Zheng Y, Zucchelli S
机构信息
Division of High Energy Physics, Department of Physics, University of Helsinki and Helsinki Institute of Physics, FIN-00014, Helsinki, Finland.
出版信息
Phys Rev Lett. 2008 Mar 7;100(9):091803. doi: 10.1103/PhysRevLett.100.091803.
We present the first measurement of the production cross section of a W boson with a single charm quark (c) in pp collisions at sqrt(s)=1.96 TeV, using soft muon tagging of c jets. In a data sample of approximately 1.8 fb(-1), recorded with the Collider Detector at Fermilab II detector at the Fermilab Tevatron, we select events with W+1 or 2 jets. We use the charge correlation between the W and the muon from the semileptonic decay of a charm hadron to extract the Wc signal. We measure sigma Wc(PTc >20 GeV/c,|eta c|<1.5) x BR(W-->l nu)=9.8+/-3.2 pb, in agreement with theoretical expectations.
我们展示了在√s = 1.96 TeV的质子-质子碰撞中，利用c喷注的软μ子标记对含单个魅夸克（c）的W玻色子产生截面的首次测量。在费米实验室Tevatron的费米实验室II探测器记录的约1.8 fb⁻¹的数据样本中，我们选择了含W + 1或2个喷注的事件。我们利用来自魅强子半轻子衰变的W与μ子之间的电荷关联来提取Wc信号。我们测量得到σWc（PTc > 20 GeV/c，|ηc| < 1.5）× BR（W→l ν）= 9.8 ± 3.2 pb，与理论预期相符。
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