Observation of decays B0-->Ds(*)+ pi- and B0-->Ds(*)- K+.
作者信息
Aubert B, Barate R, Bona M, Boutigny D, Couderc F, Karyotakis Y, Lees J P, Poireau V, Tisserand V, Zghiche A, Grauges E, Palano A, Chen J C, Qi N D, Rong G, Wang P, Zhu Y S, Eigen G, Ofte I, Stugu B, Abrams G S, Battaglia M, Brown D N, Button-Shafer J, Cahn R N, Charles E, Gill M S, Groysman Y, Jacobsen R G, Kadyk J A, Kerth L T, Kolomensky Yu G, Kukartsev G, Lynch G, Mir L M, Oddone P J, Orimoto T J, Pripstein M, Roe N A, Ronan M T, Suzuki A, Troost D, Wenzel W A, Barrett M, Ford K E, Harrison T J, Hart A J, Hawkes C M, Morgan S E, Watson A T, Goetzen K, Held T, Koch H, Lewandowski B, Pelizaeus M, Peters K, Schroeder T, Steinke M, Boyd J T, Burke J P, Cottingham W N, Walker D, Cuhadar-Donszelmann T, Fulsom B G, Hearty C, Knecht N S, Mattison T S, McKenna J A, Khan A, Kyberd P, 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, Best D S, Bondioli M, Bruinsma M, Chao M, Curry S, Eschrich I, Kirkby D, Lankford A J, Lund P, Mandelkern M, Mommsen R K, Roethel W, Stoker D P, Abachi S, Buchanan C, Foulkes S D, Gary J W, Long O, Shen B C, Wang K, Zhang L, Hadavand H K, Hill E J, 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, Nesom G, Schalk T, Schumm B A, Seiden A, Spradlin P, Williams D C, Wilson M G, Albert J, Chen E, Dvoretskii A, Hitlin D G, Narsky I, Piatenko T, Porter F C, Ryd A, Samuel A, Andreassen R, Mancinelli G, Meadows B T, Sokoloff M D, Blanc F, Bloom P C, Chen S, Ford W T, Hirschauer J F, Kreisel A, Nauenberg U, Olivas A, Ruddick W O, Smith J G, Ulmer K A, Wagner S R, Zhang J, Chen A, Eckhart E A, Soffer A, Toki W H, Wilson R J, Winklmeier F, Zeng Q, Altenburg D D, Feltresi E, Hauke A, Jasper H, Spaan B, Brandt T, Klose V, Lacker H M, Mader W F, Nogowski R, Petzold A, Schubert J, Schubert K R, Schwierz R, Sundermann J E, Volk A, Bernard D, Bonneaud G R, Grenier P, Latour E, Thiebaux Ch, Verderi M, Bard D J, Clark P J, Gradl W, Muheim F, Playfer S, Robertson A I, Xie Y, Andreotti M, Bettoni D, Bozzi C, Calabrese R, Cibinetto G, Luppi E, Negrini M, Petrella A, Piemontese L, Prencipe E, 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, Capra R, Contri R, Lo Vetere M, Macri M M, Monge M R, Passaggio S, Patrignani C, Robutti E, Santroni A, Tosi S, Brandenburg G, Chaisanguanthum K S, Morii M, Wu J, Dubitzky R S, Marks J, Schenk S, Uwer U, Bhimji W, Bowerman D A, Dauncey P D, Egede U, Flack R L, Gaillard J R, Nash J A, Nikolich M B, Panduro Vazquez W, Chai X, Charles M J, Mallik U, Meyer N T, Ziegler V, Cochran J, Crawley H B, Dong L, Eyges V, Meyer W T, Prell S, Rosenberg E I, Rubin A E, Gritsan A V, Fritsch M, Schott G, Arnaud N, Davier M, Grosdidier G, Höcker A, Le Diberder F, Lepeltier V, Lutz A M, Oyanguren A, Pruvot S, Rodier S, Roudeau P, Schune M H, Stocchi A, Wang W F, Wormser G, Cheng C H, Lange D J, Wright D M, Chavez C A, Forster I J, Fry J R, Gabathuler E, Gamet R, George K A, Hutchcroft D E, Payne D J, Schofield K C, Touramanis C, Bevan A J, Di Lodovico F, Menges W, Sacco R, Brown C L, Cowan G, Flaecher H U, Hopkins D A, Jackson P S, McMahon T R, Ricciardi S, Salvatore F, Brown D N, Davis C L, Allison J, Barlow N R, Barlow R J, Chia Y M, Edgar C L, Kelly M P, Lafferty G D, Naisbit M T, Williams J C, Yi J I, Chen C, Hulsbergen W D, Jawahery A, Lae C K, Roberts D A, Simi G, Blaylock G, Dallapiccola C, Hertzbach S S, Li X, Moore T B, Saremi S, Staengle H, Willocq S Y, Cowan R, Koeneke K, Sciolla G, Sekula S J, Spitznagel M, Taylor F, Yamamoto R K, Kim H, Patel P M, Robertson S H, Lazzaro A, Lombardo V, Palombo F, Bauer J M, Cremaldi L, Eschenburg V, Godang R, Kroeger R, Reidy J, Sanders D A, Summers D J, Zhao H W, Brunet S, Côté D, Taras P, Viaud F B, Nicholson H, Cavallo N, De Nardo G, del Re D, Fabozzi F, Gatto C, Lista L, Monorchio D, Paolucci P, Piccolo D, Sciacca C, Baak M, Bulten H, Raven G, Snoek H L, Jessop C P, LoSecco J M, Allmendinger T, Benelli G, Gan K K, Honscheid K, Hufnagel D, Jackson P D, Kagan H, Kass R, Pulliam T, Rahimi A M, Ter-Antonyan R, Wong Q K, Blount N L, Brau J, Frey R, Igonkina O, Lu M, Potter C T, Rahmat R, Sinev N B, Strom D, Strube J, Torrence E, Galeazzi F, Gaz A, Margoni M, Morandin M, Pompili A, Posocco M, Rotondo M, Simonetto F, Stroili R, Voci C, Benayoun M, Chauveau J, David P, Del Buono L, de la Vaissière Ch, Hamon O, Hartfiel B L, John M J J, Malclès J, Ocariz J, Roos L, Therin G, Behera P K, Gladney L, Panetta J, Biasini M, Covarelli R, Pioppi M, Angelini C, Batignani G, Bettarini S, Bucci F, Calderini G, Carpinelli M, Cenci R, Forti F, Giorgi M A, Lusiani A, Marchiori G, Mazur M A, Morganti M, Neri N, Paoloni E, Rizzo G, Walsh J, Haire M, Judd D, Wagoner D E, Biesiada J, Danielson N, Elmer P, Lau Y P, Lu C, Olsen J, Smith A J S, Telnov A V, Bellini F, Cavoto G, D'Orazio A, Di Marco E, Faccini R, Ferrarotto F, Ferroni F, Gaspero M, Li Gioi L, Mazzoni M A, Morganti S, Piredda G, Polci F, Safai Tehrani F, Voena C, Ebert M, Schröder H, Waldi R, Adye T, De Groot N, Franek B, Olaiya E O, Wilson F F, Emery S, Gaidot A, Ganzhur S F, Hamel de Monchenault G, Kozanecki W, Legendre M, Vasseur G, Yèche Ch, Zito M, Park W, Purohit M V, Wilson J R, Allen M T, Aston D, Bartoldus R, Bechtle P, Berger N, Boyarski A M, Claus R, Coleman J P, Convery M R, Cristinziani M, Dingfelder J C, Dong D, Dorfan J, Dubois-Felsmann G P, Dujmic D, Dunwoodie W, Field R C, Glanzman T, Gowdy S J, Graham M T, Halyo V, Hast C, Hryn'ova T, Innes W R, Kelsey M H, Kim P, Kocian M L, Leith D W G S, Li S, Libby J, Luitz S, Luth V, Lynch H L, MacFarlane D B, Marsiske H, Messner R, Muller D R, O'Grady C P, Ozcan V E, Perl M, Perazzo A, 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, Weaver M, Weinstein A J R, 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, Roat C, 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, Bugg W, Krishnamurthy M, Spanier S M, Eckmann R, Ritchie J L, Satpathy A, Schilling C J, Schwitters R F, Izen J M, Kitayama I, Lou X C, Ye S, Bianchi F, Gallo F, Gamba D, Bomben M, Bosisio L, Cartaro C, Cossutti F, Della Ricca G, Dittongo S, Grancagnolo S, Lanceri L, Vitale L, Azzolini V, Martinez-Vidal F, Banerjee Sw, Bhuyan B, Brown C M, Fortin D, Hamano K, Kowalewski R, Nugent I M, Roney J M, Sobie R J, Back J J, Harrison P F, Latham T E, Mohanty G B, Pappagallo M, Band H R, Chen X, Cheng B, Dasu S, Datta M, Eichenbaum A M, Flood K T, Hollar J J, Kutter P E, Li H, Liu R, Mellado B, Mihalyi A, Mohapatra A K, Pan Y, Pierini M, Prepost R, Tan P, Wu S L, Yu Z, Neal H
机构信息
Laboratoire de Physique des Particules, F-74941 Annecy-le-Vieux, France.
出版信息
Phys Rev Lett. 2007 Feb 23;98(8):081801. doi: 10.1103/PhysRevLett.98.081801. Epub 2007 Feb 20.
We report the observation of decays B{0}-->D{s}{()+}pi- and B{0}-->D{s}{()-}K+ in a sample of 230 x 10(6) Upsilon(4S)-->BB[over] events recorded with the BABAR detector at the SLAC PEP-II asymmetric-energy e+ e- storage ring. We measure the branching fractions B(B{0}-->D{s}{+}pi-)=(1.3+/-0.3(stat)+/-0.2(syst))x10(-5), B(B{0}-->D{s}{-} K+)=(2.5+/-0.4(stat)+/-0.4(syst))x10(-5), B(B{0}-->D{s}{+}pi-)=(2.8+/-0.6(stat)+/-0.5(syst))x10(-5), and B(B{0}-->D{s}{-}K+)=(2.0+/-0.5(stat)+/-0.4(syst))x10(-5). The significances of the measurements to differ from zero are 5, 9, 6, and 5 standard deviations, respectively. This is the first observation of B{0}-->D{s}{+}pi-, B{0}-->D{s}{+}pi-, and B{0}-->D{s}{-}K+ decays.
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