B0 s→φφ衰变的证据以及B+→φK+分支比和A(CP)的测量。
Evidence for B0 s-->phiphi decay and measurements of branching ratio and A(CP) for B+ -->phiK+.
作者信息
Acosta D, Adelman J, Affolder T, Akimoto T, Albrow M G, Ambrose D, Amerio S, Amidei D, Anastassov A, Anikeev K, Annovi A, Antos J, Aoki M, Apollinari G, Arisawa T, Arguin J-F, Artikov A, Ashmanskas W, Attal A, Azfar F, Azzi-Bacchetta P, Bacchetta N, Bachacou H, Badgett W, Barbaro-Galtieri A, Barker G J, Barnes V E, Barnett B A, Baroiant S, Bauer G, Bedeschi F, Behari S, Belforte S, Bellettini G, Bellinger J, Belloni A, Ben-Haim E, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bishai M, Blair R E, Blocker C, Bloom K, Blumenfeld B, Bocci A, Bodek A, Bolla G, Bolshov A, Bortoletto D, Boudreau J, Bourov S, Brau B, Bromberg C, Brubaker E, Budagov J, Budd H S, Burkett K, Busetto G, Bussey P, Byrum K L, Cabrera S, Campanelli M, Campbell M, Canelli F, Canepa A, Casarsa M, Castellano S, Carlsmith D, Carosi R, Carron S, Cavalli-Sforza M, Castro A, Catastini P, Cauz D, Cerri A, Cerrito L, Chapman J, Chen Y C, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho I, Cho K, Chokheli D, Chou J P, Chuang S, Chung K, Chung W-H, Chung Y S, Cijliak M, Ciobanu C I, Ciocci M A, Clark A G, Clark D, Coca M, Connolly A, Convery M, Conway J, Cooper B, Copic K, Cordelli M, Cortiana G, Cranshaw J, Cuevas J, Cruz A, Culbertson R, Currat C, Cyr D, Dagenhart D, Da Ronco S, D'Auria S, de Barbaro P, De Cecco S, Deisher A, De Lentdecker G, Dell'Orso M, Demers S, Demortier L, Deninno M, De Pedis D, Derwent P F, Dionisi C, Dittmann J R, DiTuro P, Dörr C, Dominguez A, Donati S, Donega M, Donini J, D'Onofrio M, Dorigo T, Ebina K, Efron J, Ehlers J, Erbacher R, Erdmann M, Errede D, Errede S, Eusebi R, Fang H-C, Farrington S, Fedorko I, Fedorko W T, Feild R G, Feindt M, Fernandez J P, Field R D, Flanagan G, Flaugher B, Flores-Castillo L R, Foland A, Forrester S, Foster G W, Franklin M, Freeman J C, Fujii Y, Furic I, Gajjar A, Galyardt J, Gallinaro M, Garcia-Sciveres M, Garfinkel A F, Gay C, Gerberich H, Gerdes D W, Gerchtein E, Giagu S, Giannetti P, Gibson A, Gibson K, Ginsburg C, Giolo K, Giordani M, Giunta M, Giurgiu G, Glagolev V, Glenzinski D, Gold M, Goldschmidt N, Goldstein D, Goldstein J, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw A T, Gotra Y, Goulianos K, Gresele A, Griffiths M, Grosso-Pilcher C, Grundler U, Guimaraes da Costa J, Haber C, Hahn K, Hahn S R, Halkiadakis E, Hamilton A, Han B-Y, Handler R, Happacher F, Hara K, Hare M, Harr R F, Harris R M, Hartmann F, Hatakeyama K, Hauser J, Hays C, Hayward H, Heinemann B, Heinrich J, Hennecke M, Herndon M, Hill C, Hirschbuehl D, Hocker A, Hoffman K D, Holloway A, Hou S, Houlden M A, Huffman B T, Huang Y, Hughes R E, Huston J, Ikado K, Incandela J, Introzzi G, Iori M, Ishizawa Y, Issever C, Ivanov A, Iwata Y, Iyutin B, James E, Jang D, Jayatilaka B, Jeans D, Jensen H, Jeon E J, Jones M, Joo K K, Jun S Y, Junk T, Kamon T, Kang J, Karagoz Unel M, Karchin P E, Kato Y, Kemp Y, Kephart R, Kerzel U, Khotilovich V, Kilminster B, Kim D H, Kim H S, Kim J E, Kim M J, Kim M S, Kim S B, Kim S H, Kim Y K, Kirby M, Kirsch L, Klimenko S, Knuteson B, Ko B R, Kobayashi H, Kong D J, Kondo K, Konigsberg J, Kordas K, Korn A, Korytov A, Kotwal A V, Kovalev A, Kraus J, Kravchenko I, Kreymer A, Kroll J, Kruse M, Krutelyov V, Kuhlmann S E, Kwang S, Laasanen A T, Lai S, Lami S, Lammel S, Lancaster M, Lander R, Lannon K, Lath A, Latino G, Lauhakangas R, Lazzizzera I, Lecci C, LeCompte T, Lee J, Lee J, Lee S W, Lefèvre R, Leonardo N, Leone S, Levy S, Lewis J D, Li K, Lin C, Lin C S, Lindgren M, Lipeles E, Liss T M, Lister A, Litvintsev D O, Liu T, Liu Y, Lockyer N S, Loginov A, Loreti M, Loverre P, Lu R-S, Lucchesi D, Lujan P, Lukens P, Lungu G, Lyons L, Lys J, Lysak R, Lytken E, MacQueen D, Madrak R, Maeshima K, Maksimovic P, Maladinovic N, Manca G, Marginean R, Marino C, Martin A, Martin M, Martin V, Martínez M, Maruyama T, Matsunaga H, Mattson M, Mazzanti P, McFarland K S, McGivern D, McIntyre P M, McNamara P, Mehta A, Menzemer S, Menzione A, Merkel P, Mesropian C, Messina A, Miao T, Miles J, Miller L, Miller R, Miller J S, Mills C, Miquel R, Miscetti S, Mitselmakher G, Miyamoto A, Moggi N, Mohr B, Moore R, Morello M, Movilla Fernandez P A, Muelmenstaedt J, Mukherjee A, Mulhearn M, Muller T, Mumford R, Munar A, Murat P, Nachtman J, Nahn S, Nakano I, Napier A, Napora R, Naumov D, Necula V, Nielsen J, Nelson T, Neu C, Neubauer M S, Nigmanov T, Nodulman L, Norniella O, Ogawa T, Oh S H, Oh Y D, Ohsugi T, Okusawa T, Oldeman R, Orava R, Orejudos W, Osterberg K, Pagliarone C, Palencia E, Paoletti R, Papadimitriou V, Paramonov A A, Pashapour S, Patrick J, Pauletta G, Paulini M, Paus C, Pellett D, Penzo A, Phillips T J, Piacentino G, Piedra J, Pitts K T, Plager C, Pondrom L, Pope G, Portell X, Poukhov O, Pounder N, Prakoshyn F, Pratt T, Pronko A, Proudfoot J, Ptohos F, Punzi G, Rademacker J, Rahaman M A, Rakitine A, Rappoccio S, Ratnikov F, Ray H, Reisert B, Rekovic V, Renton P, Rescigno M, Rimondi F, Rinnert K, Ristori L, Robertson W J, Robson A, Rodrigo T, Rolli S, Roser R, Rossin R, Rott C, Russ J, Rusu V, Ruiz A, Ryan D, Saarikko H, Sabik S, Safonov A, St Denis R, Sakumoto W K, Salamanna G, Saltzberg D, Sanchez C, Santi L, Sarkar S, Sato K, Savard P, Savoy-Navarro A, Schlabach P, Schmidt E E, Schmidt M P, Schmitt M, Scodellaro L, Scott A L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semenov A, Semeria F, Sexton-Kennedy L, Sfiligoi I, Shapiro M D, Shears T, Shepard P F, Sherman D, Shimojima M, Shochet M, Shon Y, Shreyber I, Sidoti A, Sill A, Sinervo P, Sisakyan A, Sjolin J, Skiba A, Slaughter A J, Sliwa K, Smirnov D, Smith J R, Snider F D, Snihur R, Soderberg M, Soha A, Somalwar S V, Spalding J, Spezziga M, Spinella F, Squillacioti P, Stadie H, Stanitzki M, Stelzer B, Stelzer-Chilton O, Stentz D, Strologas J, Stuart D, Suh J S, Sukhanov A, Sumorok K, Sun H, Suzuki T, Taffard A, Tafirout R, Takano H, Takashima R, Takeuchi Y, Takikawa K, Tanaka M, Tanaka R, Tanimoto N, Tecchio M, Teng P K, Terashi K, Tesarek R J, Tether S, Thom J, Thompson A S, Thomson E, Tipton P, Tiwari V, Tkaczyk S, Toback D, Tollefson K, Tomura T, Tonelli D, Tönnesmann M, Torre S, Torretta D, Tourneur S, Trischuk W, Tsuchiya R, Tsuno S, Tsybychev D, Turini N, Ukegawa F, Unverhau T, Uozumi S, Usynin D, Vacavant L, Vaiciulis A, Varganov A, Vejcik S, Velev G, Veszpremi V, Veramendi G, Vickey T, Vidal R, Vila I, Vilar R, Vollrath I, Volobouev I, von der Mey M, Wagner P, Wagner R G, Wagner R L, Wagner W, Wallny R, Walter T, Wan Z, Wang M J, Wang S M, Warburton A, Ward B, Waschke S, Waters D, Watts T, Weber M, Wester W C, Whitehouse B, Whiteson D, Wicklund A B, Wicklund E, Williams H H, Wilson P, Winer B L, Wittich P, Wolbers S, Wolfe C, Wolter M, Worcester M, Worm S, Wright T, Wu X, Würthwein F, Wyatt A, Yagil A, Yamashita T, Yamamoto K, Yamaoka J, Yang C, Yang U K, Yao W, Yeh G P, Yoh J, Yorita K, Yoshida T, Yu I, Yu S, Yun J C, Zanello L, Zanetti A, Zaw I, Zetti F, Zhou J, Zucchelli S
机构信息
University of Florida, Gainesville, FL 32611, USA.
出版信息
Phys Rev Lett. 2005 Jul 15;95(3):031801. doi: 10.1103/PhysRevLett.95.031801.
We present the first evidence of charmless decays of the B(0)(s) meson, the decay B(0)(s)--> phiphi, and a measurement of the branching ratio BR(B(0)(s)--> phiphi) using 180 pb(-1) of data collected by the CDF II experiment at the Fermilab Tevatron collider. In addition, the BR and direct CP asymmetry for the B+-->phiK+ decay are measured. We obtain BR(B(0)(s)--> phiphi)=[14(+6)(-5)(stat)+/-6(syst)] x 10(-6), BR(B+-->phiK+)=[7.6+/-1.3(stat)+/-0.6(syst)] x 10(-6), and A(CP)(B+-->phiK+)= -0.07+/-0.17(stat)+0.03 / -0.02(syst). Both decays are governed in the standard model by second order (penguin) b-->s(-)ss amplitudes.
我们展示了B⁰ₛ介子无 charm 衰变的首个证据，即衰变B⁰ₛ→φφ，并利用费米实验室Tevatron对撞机上CDF II实验收集的180 pb⁻¹数据测量了分支比BR(B⁰ₛ→φφ)。此外，还测量了B⁺→φK⁺衰变的分支比和直接CP不对称性。我们得到BR(B⁰ₛ→φφ)=[14(⁺⁶)(₋₅)(统计)+/₋6(系统)]×10⁻⁶，BR(B⁺→φK⁺)=[7.6+/₋1.3(统计)+/₋0.6(系统)]×10⁻⁶，以及A(CP)(B⁺→φK⁺)= -0.07+/₋0.17(统计)+0.03 / ₋0.02(系统)。在标准模型中，这两种衰变均由二阶（企鹅）b→s⁻ss振幅控制。
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