对衰变B⁺→K⁺K⁻π⁺的观测。
Observation of the decay B+ --> K+K-pi+.
作者信息
Aubert B, Bona M, Boutigny D, Karyotakis Y, Lees J P, Poireau V, Prudent X, Tisserand V, Zghiche A, Garra Tico J, Grauges E, Lopez L, Palano A, Pappagallo M, Eigen G, Stugu B, Sun L, Abrams G S, Battaglia M, Brown D N, Button-Shafer J, Cahn R N, Groysman Y, Jacobsen R G, Kadyk J A, Kerth L T, Kolomensky Yu G, Kukartsev G, Lopes Pegna D, Lynch G, Mir L M, Orimoto T J, Osipenkov I L, Ronan M T, Tackmann K, Tanabe T, Wenzel W A, Del Amo Sanchez P, Hawkes C M, Watson A T, Held T, Koch H, Pelizaeus M, Schroeder T, Steinke M, Walker D, Asgeirsson D J, Cuhadar-Donszelmann T, Fulsom B G, Hearty C, Mattison T S, McKenna J A, Khan A, Saleem M, Teodorescu L, Blinov V E, Bukin A D, Druzhinin V P, Golubev V B, Onuchin A P, Serednyakov S I, Skovpen Yu I, Solodov E P, Todyshev K Yu, Bondioli M, Curry S, Eschrich I, Kirkby D, Lankford A J, Lund P, Mandelkern M, Martin E C, Stoker D P, Abachi S, Buchanan C, Foulkes S D, Gary J W, Liu F, Long O, Shen B C, Zhang L, Paar H P, Rahatlou S, Sharma V, Berryhill J W, Campagnari C, Cunha A, Dahmes B, Hong T M, Kovalskyi D, Richman J D, Beck T W, Eisner A M, Flacco C J, Heusch C A, Kroseberg J, Lockman W S, Schalk T, Schumm B A, Seiden A, Wilson M G, Winstrom L O, Chen E, Cheng C H, Fang F, Hitlin D G, Narsky I, Piatenko T, Porter F C, Andreassen R, Mancinelli G, Meadows B T, Mishra K, Sokoloff M D, Blanc F, Bloom P C, Chen S, Ford W T, Hirschauer J F, Kreisel A, Nagel M, Nauenberg U, Olivas A, Smith J G, Ulmer K A, Wagner S R, Zhang J, Gabareen A M, Soffer A, Toki W H, Wilson R J, Winklmeier F, Altenburg D D, Feltresi E, Hauke A, Jasper H, Merkel J, Petzold A, Spaan B, Wacker K, Klose V, Kobel M J, Lacker H M, Mader W F, Nogowski R, Schubert J, Schubert K R, Schwierz R, Sundermann J E, Volk A, Bernard D, Bonneaud G R, Latour E, Lombardo V, Thiebaux Ch, Verderi M, Clark P J, Gradl W, Muheim F, Playfer S, Robertson A I, Watson J E, Xie Y, Andreotti M, Bettoni D, Bozzi C, Calabrese R, Cecchi A, Cibinetto G, Franchini P, Luppi E, Negrini M, Petrella A, Piemontese L, Prencipe E, Santoro V, Anulli F, Baldini-Ferroli R, Calcaterra A, de Sangro R, Finocchiaro G, Pacetti S, Patteri P, Peruzzi I M, Piccolo M, Rama M, Zallo A, Buzzo A, Contri R, Lo Vetere M, Macri M M, Monge M R, Passaggio S, Patrignani C, Robutti E, Santroni A, Tosi S, Chaisanguanthum K S, Morii M, Wu J, Dubitzky R S, Marks J, Schenk S, Uwer U, Bard D J, Dauncey P D, Flack R L, Nash J A, Panduro Vazquez W, Tibbetts M, Behera P K, Chai X, Charles M J, Mallik U, Ziegler V, Cochran J, Crawley H B, Dong L, Eyges V, Meyer W T, Prell S, Rosenberg E I, Rubin A E, Gao Y Y, Gritsan A V, Guo Z J, Lae C K, Denig A G, Fritsch M, Schott G, Arnaud N, Béquilleux J, D'Orazio A, Davier M, Grosdidier G, Höcker A, Lepeltier V, Le Diberder F, Lutz A M, Pruvot S, Rodier S, Roudeau P, Schune M H, Serrano J, Sordini V, Stocchi A, Wang W F, Wormser G, Lange D J, Wright D M, Bingham I, Burke J P, Chavez C A, Forster I J, Fry J R, Gabathuler E, Gamet R, Hutchcroft D E, Payne D J, Schofield K C, Touramanis C, Bevan A J, George K A, Di Lodovico F, Menges W, Sacco R, Cowan G, Flaecher H U, Hopkins D A, Paramesvaran S, Salvatore F, Wren A C, Brown D N, Davis C L, Allison J, Barlow N R, Barlow R J, Chia Y M, Edgar C L, Lafferty G D, West T J, Yi J I, Anderson J, Chen C, Jawahery A, Roberts D A, Simi G, Tuggle J M, Blaylock G, Dallapiccola C, Hertzbach S S, Li X, Moore T B, Salvati E, Saremi S, Cowan R, Dujmic D, Fisher P H, Koeneke K, Sciolla G, Sekula S J, Spitznagel M, Taylor F, Yamamoto R K, Zhao M, Zheng Y, McLachlin S E, Patel P M, Robertson S H, Lazzaro A, Palombo F, Bauer J M, Cremaldi L, Eschenburg V, Godang R, Kroeger R, Sanders D A, Summers D J, Zhao H W, Brunet S, Côté D, Simard M, Taras P, Viaud F B, Nicholson H, De Nardo G, Fabozzi F, Lista L, Monorchio D, Sciacca C, Baak M A, Raven G, Snoek H L, Jessop C P, Knoepfel K J, Losecco J M, Benelli G, Corwin L A, Honscheid K, Kagan H, Kass R, Morris J P, Rahimi A M, Regensburger J J, Wong Q K, Blount N L, Brau J, Frey R, Igonkina O, Kolb J A, Lu M, Rahmat R, Sinev N B, Strom D, Strube J, Torrence E, Gagliardi N, Gaz A, Margoni M, Morandin M, Pompili A, Posocco M, Rotondo M, Simonetto F, Stroili R, Voci C, Ben-Haim E, Briand H, Calderini G, Chauveau J, David P, Del Buono L, de la Vaissière Ch, Hamon O, Leruste Ph, Malclès J, Ocariz J, Perez A, Prendki J, Gladney L, Biasini M, Covarelli R, Manoni E, Angelini C, Batignani G, Bettarini S, Carpinelli M, Cenci R, Cervelli A, Forti F, Giorgi M A, Lusiani A, Marchiori G, Mazur M A, Morganti M, Neri N, Paoloni E, Rizzo G, Walsh J J, Haire M, Biesiada J, Elmer P, Lau Y P, Lu C, Olsen J, Smith A J S, Telnov A V, Baracchini E, Bellini F, Cavoto G, Del Re D, Di Marco E, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Jackson P D, Li Gioi L, Mazzoni M A, Morganti S, Piredda G, Polci F, Renga F, Voena C, Ebert M, Hartmann T, Schröder H, Waldi R, Adye T, Castelli G, Franek B, Olaiya E O, Ricciardi S, Roethel W, Wilson F F, Emery S, Escalier M, Gaidot A, Ganzhur S F, Hamel de Monchenault G, Kozanecki W, Vasseur G, Yèche Ch, Zito M, Chen X R, Liu H, Park W, Purohit M V, Wilson J R, Allen M T, Aston D, Bartoldus R, Bechtle P, Berger N, Claus R, Coleman J P, Convery M R, Dingfelder J C, Dorfan J, Dubois-Felsmann G P, Dunwoodie W, Field R C, Glanzman T, Gowdy S J, Graham M T, Grenier P, Hast C, Hryn'ova T, Innes W R, Kaminski J, Kelsey M H, Kim H, Kim P, Kocian M L, Leith D W G S, Li S, Luitz S, Luth V, Lynch H L, Macfarlane D B, Marsiske H, Messner R, Muller D R, O'Grady C P, Ofte I, Perazzo A, Perl M, Pulliam T, Ratcliff B N, Roodman A, Salnikov A A, Schindler R H, Schwiening J, Snyder A, Stelzer J, Su D, Sullivan M K, Suzuki K, Swain S K, Thompson J M, Va'vra J, van Bakel N, Wagner A P, Weaver M, Wisniewski W J, Wittgen M, Wright D H, Yarritu A K, Yi K, Young C C, Burchat P R, Edwards A J, Majewski S A, Petersen B A, Wilden L, Ahmed S, Alam M S, Bula R, Ernst J A, Jain V, Pan B, Saeed M A, Wappler F R, Zain S B, Krishnamurthy M, Spanier S M, Eckmann R, Ritchie J L, Ruland A M, Schilling C J, Schwitters R F, Izen J M, Lou X C, Ye S, Bianchi F, Gallo F, Gamba D, Pelliccioni M, Bomben M, Bosisio L, Cartaro C, Cossutti F, Della Ricca G, Lanceri L, Vitale L, Azzolini V, Lopez-March N, Martinez-Vidal F, Milanes D A, Oyanguren A, Albert J, Banerjee Sw, Bhuyan B, Hamano K, Kowalewski R, Nugent I M, Roney J M, Sobie R J, Gershon T J, Harrison P F, Ilic J, Latham T E, Mohanty G B, Band H R, Chen X, Dasu S, Flood K T, Hollar J J, Kutter P E, Pan Y, Pierini M, Prepost R, Wu S L, Neal H
机构信息
Laboratoire de Physique des Particules, IN2P3/CNRS et Université de Savoie, F-74941 Annecy-Le-Vieux, France.
出版信息
Phys Rev Lett. 2007 Nov 30;99(22):221801. doi: 10.1103/PhysRevLett.99.221801. Epub 2007 Nov 28.
We report the observation of charmless hadronic decays of charged B mesons to the final state K{+}K{-}pi{+}. Using a data sample of 347.5 fb{-1} collected at the Upsilon(4S) resonance with the BABAR detector, we observe 429+/-43 signal events with a significance of 9.6sigma. We measure the inclusive branching fraction B(B{+}-->K{+}K{-}pi{+})=[5.0+/-0.5(stat)+/-0.5(syst)]x10{-6}. Inspection of the Dalitz plot of signal candidates shows a broad structure peaking near 1.5 GeV/c{2} in the K+K- invariant mass distribution. We find the direct CP asymmetry to be consistent with zero.
我们报告了对带电B介子到末态K⁺K⁻π⁺的无 charm 强子衰变的观测。利用在 Υ(4S) 共振处用BABAR探测器收集的347.5 fb⁻¹的数据样本，我们观测到429±43个信号事例，显著性为9.6σ。我们测量了 inclusive 分支比 B(B⁺→K⁺K⁻π⁺)=[5.0±0.5(统计)±0.5(系统)]×10⁻⁶。对信号候选事例的 Dalitz 图的检查显示，在K⁺K⁻不变质量分布中，在1.5 GeV/c²附近有一个宽结构的峰。我们发现直接CP不对称性与零一致。
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