在2飞靶的质子-质子碰撞中寻找Bs0→μ⁺μ⁻和B0→μ⁺μ⁻衰变。
Search for Bs0 --> micro+ micro- and B0 --> micro+ micro- decays with 2 fb-1 of pp collisions.
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, 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, 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, St Denis R, 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 14;100(10):101802. doi: 10.1103/PhysRevLett.100.101802.
We have performed a search for B(s)(0) --> micro(+) micro(-) and B(0) --> micro(+) micro(-) decays in pp collisions at square root s = 1.96 TeV using 2 fb(-1) of integrated luminosity collected by the CDF II detector at the Fermilab Tevatron Collider. The observed number of B(s)(0) and B0 candidates is consistent with background expectations. The resulting upper limits on the branching fractions are B(B(s)0) --> micro(+) micro(-)) <5.8 x 10(-8) and B(B(0) --> micro(+) micro(-))<1.8 x 10(-8) at 95% C.L.
我们利用费米实验室Tevatron对撞机上CDF II探测器收集的2飞靶-1的积分亮度，在质心能量平方根s = 1.96 TeV的质子-质子对撞中搜寻了B(s)(0)→μ(+)μ(-)和B(0)→μ(+)μ(-)衰变。观测到的B(s)(0)和B0候选事例数与本底预期相符。在95%置信水平下，得到的分支比上限为B(B(s)0→μ(+)μ(-))<5.8×10^(-8)以及B(B(0)→μ(+)μ(-))<1.8×10^(-8)。
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