We present a search for the rare decays B(+) -> K(+) v (v) over bar and B(0) -> K(0) v (v) over bar using 459 x 10(6) B (B) over bar pairs collected with the BABAR detector at the SLAC National Accelerator Laboratory. Flavor-changing neutral-current decays such as these are forbidden at tree level but can occur through one-loop diagrams in the standard model (SM), with possible contributions from new physics at the same order. The presence of two neutrinos in the final state makes identification of signal events challenging, so reconstruction in the semileptonic decay channels B -> D((*)) lv of the B meson recoiling from the signal B is used to suppress backgrounds. We set an upper limit at the 90% confidence level (CL) of 1.3 x 10(-5) on the total branching fraction for B(+) -> K(+) v (v) over bar, and 5.6 x 10(-5) for B(0) -> K(0) v (v) over bar. We additionally report 90% CL upper limits on partial branching fractions in two ranges of dineutrino mass squared for B(+) -> K(+) v (v) over bar.
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Autori: | Sanchez PD; Lees JP; Poireau V; Prencipe E; Tisserand V; Tico JG; Grauges E; Martinelli M; Palano A; Pappagallo M; Eigen G; Stugu B; Sun L; Battaglia M; Brown DN; Hooberman B; Kerth LT; Kolomensky YG; Lynch G; Osipenkov IL; Tanabe T; Hawkes CM; Watson AT; Koch H; Schroeder T; Asgeirsson DJ; Hearty C; Mattison TS; McKenna JA; Khan A; Randle-Conde A; Blinov VE; Buzykaev AR; Druzhinin VP; Golubev VB; Onuchin AP; Serednyakov SI; Skovpen YI; Solodov EP; Todyshev KY; Yushkov AN; Bondioli M; Curry S; Kirkby D; Lankford AJ; Mandelkern M; Martin EC; Stoker DP; Atmacan H; Gary JW; Liu F; Long O; Vitug GM; Campagnari C; Hong TM; Kovalskyi D; Richman JD; Eisner AM; Heusch CA; Kroseberg J; Lockman WS; Martinez AJ; Schalk T; Schumm BA; Seiden A; Winstrom LO; Cheng CH; Doll DA; Echenard B; Hitlin DG; Ongmongkolkul P; Porter FC; Rakitin AY; Andreassen R; Dubrovin MS; Mancinelli G; Meadows BT; Sokoloff MD; Bloom PC; Ford WT; Gaz A; Nagel M; Nauenberg U; Smith JG; Wagner SR; Ayad R; Toki WH; Jasper H; Karbach TM; Merkel J; Petzold A; Spaan B; Wacker K; Kobel MJ; Schubert KR; Schwierz R; Bernard D; Verderi M; Clark PJ; Playfer S; Watson JE; Andreotti M; Bettoni D; Bozzi C; Calabrese R; Cecchi A; Cibinetto G; Fioravanti E; Franchini P; Luppi E; Munerato M; Negrini M; Petrella A; Piemontese L; Baldini-Ferroli R; Calcaterra A; de Sangro R; Finocchiaro G; Nicolaci M; Pacetti S; Patteri P; Peruzzi IM; Piccolo M; Rama M; Zallo A; Contri R; Guido E; Lo Vetere M; Monge MR; Passaggio S; Patrignani C; Robutti E; Tosi S; Bhuyan B; Prasad V; Lee CL; Morii M; Adametz A; Marks J; Uwer U; Bernlochner FU; Ebert M; Lacker HM; Lueck T; Volk A; Dauncey PD; Tibbetts M; Behera PK; Mallik U; Chen C; Cochran J; Crawley HB; Dong L; Meyer WT; Prell S; Rosenberg EI; Rubin AE; Gao YY; Gritsan AV; Guo ZJ; Arnaud N; Davier M; Derkach D; da Costa JF; Grosdidier G; Le Diberder F; Lutz AM; Malaescu B; Perez A; Roudeau P; Schune MH; Serrano J; Sordini V; Stocchi A; Wang L; Wormser G; Lange DJ; Wright DM; Bingham I; Chavez CA; Coleman JP; Fry JR; Gabathuler E; Gamet R; Hutchcroft DE; Payne DJ; Touramanis C; Bevan AJ; Di Lodovico F; Sacco R; Sigamani M; Cowan G; Paramesvaran S; Wren AC; Brown DN; Davis CL; Denig AG; Fritsch M; Gradl W; Hafner A; Alwyn KE; Bailey D; Barlow RJ; Jackson G; Lafferty GD; West TJ; Anderson J; Cenci R; Jawahery A; Roberts DA; Simi G; Tuggle JM; Dallapiccola C; Salvati E; Cowan R; Dujmic D; Fisher PH; Sciolla G; Zhao M; Lindemann D; Patel PM; Robertson SH; Schram M; Biassoni P; Lazzaro A; Lombardo V; Palombo F; Stracka S; Cremaldi L; Godang R; Kroeger R; Sonnek P; Summers DJ; Nguyen X; Simard M; Taras P; De Nardo G; Monorchio D; Onorato G; Sciacca C; Raven G; Snoek HL; Jessop CP; Knoepfel KJ; LoSecco JM; Wang WF; Corwin LA; Honscheid K; Kass R; Morris JP; Blount NL; Brau J; Frey R; Igonkina O; Kolb JA; Rahmat R; Sinev NB; Strom D; Strube J; Torrence E; Castelli G; Feltresi E; Gagliardi N; Margoni M; Morandin M; Posocco M; Rotondo M; Simonetto F; Stroili R; Ben-Haim E; Bonneaud GR; Briand H; Calderini G; Chauveau J; Hamon O; Leruste P; Marchiori G; Ocariz J; Prendki J; Sitt S; Biasini M; Manoni E; Rossi A; Angelini C; Batignani G; Bettarini S; Carpinelli M; Casarosa G; Cervelli A; Forti F; Giorgi MA; Lusiani A; Neri N; Paoloni E; Rizzo G; Walsh JJ; Pegna DL; Lu C; Olsen J; Smith AJS; Telnov AV; Anulli F; Baracchini E; Cavoto G; Faccini R; Ferrarotto F; Ferroni F; Gaspero M; Gioi LL; Mazzoni MA; Piredda G; Renga F; Hartmann T; Leddig T; Schroder H; Waldi R; Adye T; Franek B; Olaiya EO; Wilson FF; Emery S; de Monchenault GH; Vasseur G; Yeche C; Zito M; Allen MT; Aston D; Bard DJ; Bartoldus R; Benitez JF; Cartaro C; Convery MR; Dorfan J; Dubois-Felsmann GP; Dunwoodie W; Field RC; Sevilla MF; Fulsom BG; Gabareen AM; Graham MT; Grenier P; Hast C; Innes WR; Kelsey MH; Kim H; Kim P; Kocian ML; Leith DWGS; Li S; Lindquist B; Luitz S; Luth V; Lynch HL; MacFarlane DB; Marsiske H; Muller DR; Neal H; Nelson S; O'Grady CP; Ofte I; Perl M; Pulliam T; Ratcliff BN; Roodman A; Salnikov AA; Santoro V; Schindler RH; Schwiening J; Snyder A; Su D; Sullivan MK; Sun S; Suzuki K; Thompson JM; Va'vra J; Wagner AP; Weaver M; West CA; Wisniewski WJ; Wittgen M; Wright DH; Wulsin HW; Yarritu AK; Young CC; Ziegler V; Chen XR; Park W; Purohit MV; White RM; Wilson JR; Sekula SJ; Bellis M; Burchat PR; Edwards AJ; Miyashita TS; Ahmed S; Alam MS; Ernst JA; Pan B; Saeed MA; Zain SB; Guttman N; Soffer A; Lund P; Spanier SM; Eckmann R; Ritchie JL; Ruland AM; Schilling CJ; Schwitters RF; Wray BC; Izen JM; Lou XC; Bianchi F; Gamba D; Pelliccioni M; Bomben M; Lanceri L; Vitale L; Lopez-March N; Martinez-Vidal F; Milanes DA; Oyanguren A; Albert J; Banerjee S; Choi HHF; Hamano K; King GJ; Kowalewski R; Lewczuk MJ; Nugent IM; Roney JM; Sobie RJ; Gershon TJ; Harrison PF; Latham TE; Puccio EMT; Band HR; Dasu S; Flood KT; Pan Y; Prepost R; Vuosalo CO; Wu SLi R; Lewczuk MJ; Nugent IM; Roney JM; Sobie RJ; Gershon TJ; Harrison PF; Ilic J; Latham TE; Mohanty GB; Puccio EMT; Band HR; Chen X; Dasu S; Flood KT; Pan Y; Prepost R; Vuosalo CO; Wu SLChen X; Dasu S; Flood KT; Pan Y; Prepost R; Vuosalo CO; Wu SL |
Titolo: | Search for the rare decay B -> Kv(v)over-bar |
Anno del prodotto: | 2010 |
Digital Object Identifier (DOI): | 10.1103/PhysRevD.82.112002 |
Appare nelle tipologie: | 1.1 Articolo in rivista |