Measurement of the B-0 ->pi(-)l(+)nu form-factor shape and branching fraction, and determination of |V-ub| with a loose neutrino reconstruction technique RID A-8798-2012 RID C-2728-2008 RID C-5223-2009 RID C-5719-2008 RID D-1055-2009

Aubert, B; Bona, M; Boutigny, D; Karyotakis, Y; Lees, Jp; Poireau, V; Prudent, X; Tisserand, V; Zghiche, A; Grauges, E; Palano, A; Chen, Jc; Qi, Nd; Rong, G; Wang, P; Zhu, Ys; Eigen, G; Ofte, I; Stugu, B; Abrams, Gs; Battaglia, M; Brown, Dn; Button Shafer, J; Cahn, Rn; Groysman, Y; Jacobsen, Rg; Kadyk, Ja; Kerth, Lt; Kolomensky, Yg; Kukartsev, G; Pegna, Dl; Lynch, G; Mir, Lm; Orimoto, Tj; Pripstein, M; Roe, Na; Ronan, Mt; Tackmann, K; Wenzel, Wa; Sanchez, Pda; Barrett, M; Harrison, Tj; Hart, Aj; Hawkes, Cm; Watson, At; Held, T; Koch, H; Lewandowski, B; Pelizaeus, M; Peters, K; Schroeder, T; Steinke, M; Boyd, Jt; Burke, Jp; Cottingham, Wn; Walker, D; Asgeirsson, Dj; Cuhadar Donszelmann, T; Fulsom, Bg; Hearty, C; Knecht, Ns; Mattison, Ts; McKenna, Ja; Khan, A; Kyberd, P; Saleem, M; Sherwood, Dj; Teodorescu, L; Blinov, Ve; Bukin, Ad; Druzhinin, Vp; Golubev, Vb; Onuchin, Ap; Serednyakov, Si; Skovpen, Yi; Solodov, Ep; Todyshev, Ky; Bondioli, M; Bruinsma, M; Chao, M; Curry, S; Eschrich, I; Kirkby, D; Lankford, Aj; Lund, P; Martin, Ec; Stoker, Dp; Abachi, S; Buchanan, C; Foulkes, Sd; Gary, Jw; Liu, F; Long, O; Shen, Bc; Zhang, L; Hill, Ej; Paar, Hp; Rahatlou, S; Sharma, V; Berryhill, Jw; Campagnari, C; Cunha, A; Dahmes, B; Hong, Tm; Kovalskyi, D; Richman, Jd; Beck, Tw; Eisner, Am; Flacco, Cj; Heusch, Ca; Kroseberg, J; Lockman, Ws; Schalk, T; Schumm, Ba; Seiden, A; Williams, Dc; Wilson, Mg; Winstrom, Lo; Chen, E; Cheng, Ch; Dvoretskii, A; Fang, F; Hitlin, Dg; Narsky, I; Piatenko, T; Porter, Fc; Mancinelli, G; Meadows, Bt; Mishra, K; Sokoloff, Md; Blanc, F; Bloom, Pc; Chen, S; Ford, Wt; Hirschauer, Jf; Kreisel, A; Nagel, M; Nauenberg, U; Olivas, A; Smith, Jg; Ulmer, Ka; Wagner, Sr; Zhang, J; Chen, A; Eckhart, Ea; Soffer, A; Toki, Wh; Wilson, Rj; Winklmeier, F; Zeng, Q; Altenburg, Dd; Feltresi, E; Hauke, A; Jasper, H; Merkel, J; Petzold, A; Spaan, B; Wacker, K; Brandt, T; Klose, V; Lacker, Hm; Mader, Wf; Nogowski, R; Schubert, J; Schubert, Kr; Schwierz, R; Sundermann, Je; Volk, A; Bernard, D; 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doi:10.1103/PhysRevLett.98.091801

We report the results of a study of the exclusive charmless semileptonic decay, B-0 ->pi(-)center dot(+)nu, undertaken with approximately 227x10(6) BB pairs collected at the Upsilon(4S) resonance with the BABAR detector. The analysis uses events in which the signal B decays are reconstructed with an innovative loose neutrino reconstruction technique. We obtain partial branching fractions in 12 bins of q(2), the momentum transfer squared, from which we extract the f(+)(q(2)) form-factor shape and the total branching fraction B(B-0 ->pi(-)l(+)nu)=(1.46 +/- 0.07(stat)+/- 0.08(syst))x10(-4). Based on a recent unquenched lattice QCD calculation of the form factor in the range q(2)> 16 GeV2, we find the magnitude of the Cabibbo-Kobayashi-Maskawa matrix element vertical bar V-ub vertical bar to be (4.1 +/- 0.2(stat)+/- 0.2(syst)+0.6-0.4(FF))x10(-3), where the last uncertainty is due to the normalization of the form factor.

Titolo:	Measurement of the B-0 ->pi(-)l(+)nu form-factor shape and branching fraction, and determination of \|V-ub\| with a loose neutrino reconstruction technique RID A-8798-2012 RID C-2728-2008 RID C-5223-2009 RID C-5719-2008 RID D-1055-2009
Autori:	Aubert B Bona M Boutigny D Karyotakis Y Lees JP Poireau V Prudent X Tisserand V Zghiche A Grauges E Palano A Chen JC Qi ND Rong G Wang P Zhu YS Eigen G Ofte I Stugu B Abrams GS Battaglia M Brown DN Button Shafer J Cahn RN Groysman Y Jacobsen RG Kadyk JA Kerth LT Kolomensky YG Kukartsev G Pegna DL Lynch G Mir LM Orimoto TJ Pripstein M Roe NA Ronan MT Tackmann K Wenzel WA Sanchez PDA Barrett M Harrison TJ Hart AJ Hawkes CM Watson AT Held T Koch H Lewandowski B Pelizaeus M Peters K Schroeder T Steinke M Boyd JT Burke JP Cottingham WN Walker D Asgeirsson DJ Cuhadar Donszelmann T Fulsom BG Hearty C Knecht NS Mattison TS McKenna JA Khan A Kyberd P Saleem M Sherwood DJ Teodorescu L Blinov VE Bukin AD Druzhinin VP Golubev VB Onuchin AP Serednyakov SI Skovpen YI Solodov EP Todyshev KY Bondioli M Bruinsma M Chao M Curry S Eschrich I Kirkby D Lankford AJ Lund P Martin EC Stoker DP Abachi S Buchanan C Foulkes SD Gary JW Liu F Long O Shen BC Zhang L Hill EJ Paar HP Rahatlou S Sharma V Berryhill JW Campagnari C Cunha A Dahmes B Hong TM Kovalskyi D Richman JD Beck TW Eisner AM Flacco CJ Heusch CA Kroseberg J Lockman WS Schalk T Schumm BA Seiden A Williams DC Wilson MG Winstrom LO Chen E Cheng CH Dvoretskii A Fang F Hitlin DG Narsky I Piatenko T Porter FC Mancinelli G Meadows BT Mishra K Sokoloff MD Blanc F Bloom PC Chen S Ford WT Hirschauer JF Kreisel A Nagel M Nauenberg U Olivas A Smith JG Ulmer KA Wagner SR Zhang J Chen A Eckhart EA Soffer A Toki WH Wilson RJ Winklmeier F Zeng Q Altenburg DD Feltresi E Hauke A Jasper H Merkel J Petzold A Spaan B Wacker K Brandt T Klose V Lacker HM Mader WF Nogowski R Schubert J Schubert KR Schwierz R Sundermann JE Volk A Bernard D Bonneaud GR Latour E Thiebaux C Verderi M Clark PJ Gradl W Muheim F Playfer S Robertson AI 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 IM Piccolo M Rama M Zallo A Buzzo A Contri R Lo Vetere M Macri MM Monge MR Passaggio S Patrignani C Robutti E Santroni A Tosi S Chaisanguanthum KS Morii M Wu J Dubitzky RS Marks J Schenk S Uwer U Bard DJ Dauncey PD Flack RL Nash JA Nikolich MB Vazquez WP Behera PK Chai X Charles MJ Mallik U Meyer NT Ziegler V Cochran J Crawley HB Dong L Eyges V Meyer WT Prell S Rosenberg EI Rubin AE Gritsan AV Denig AG Fritsch M Schott G Arnaud N Davier M Grosdidier G Hocker A Lepeltier V Le Diberder F Lutz AM Pruvot S Rodier S Roudeau P Schune MH Serrano J Stocchi A Wang WF Wormser G Lange DJ Wright DM Chavez CA Forster IJ Fry JR Gabathuler E Gamet R Hutchcroft DE Payne DJ Schofield KC Touramanis C Bevan AJ George KA Di Lodovico F Menges W Sacco R Cowan G Flaecher HU Hopkins DA Jackson PS McMahon TR Salvatore F Wren AC Brown DN Davis CL Allison J Barlow NR Barlow RJ Chia YM Edgar CL Lafferty GD West TJ Yi JI Chen C Hulsbergen WD Jawahery A Lae CK Roberts DA Simi G Blaylock G Dallapiccola C Hertzbach SS Li X Moore TB Salvati E Saremi S Cowan R Sciolla G Sekula SJ Spitznagel M Taylor F Yamamoto RK Kim H Mclachlin SE Patel PM Robertson SH Lazzaro A Lombardo V Palombo F Bauer JM Cremaldi L Eschenburg V Godang R Kroeger R Sanders DA Summers DJ Zhao HW Brunet S Cote D Simard M Taras P Viaud FB Nicholson H Cavallo N De Nardo G Fabozzi F Gatto C Lista L Monorchio D Paolucci P Piccolo D Sciacca C Baak MA Raven G Snoek HL Jessop CP LoSecco JM Benelli G Corwin LA Gan KK Honscheid K Hufnagel D Kagan H Kass R Morris JP Rahimi AM Regensburger JJ Ter Antonyan R Wong QK Blount NL Brau J Frey R Igonkina O Kolb JA Lu M Potter CT Rahmat R Sinev NB Strom D Strube J Torrence E Gaz A Margoni M Morandin M Pompili A Posocco M Rotondo M Simonetto F Stroili R Voci C Ben Haim E Briand H Chauveau J David P Del Buono L de la Vaissiere C Hamon O Hartfiel BL Leruste P Malcles J Ocariz J Gladney L Biasini M Covarelli R Angelini C Batignani G Bettarini S Calderini G Carpinelli M Cenci R Forti F Giorgi MA LUSIANI, Alberto Marchiori G Mazur MA Morganti M Neri N Paoloni E Rizzo G Walsh JJ Biesiada J Elmer P Lau YP Lu C Olsen J Smith AJS Telnov AV Bellini F Cavoto G D'Orazio A del Re D Di Marco E Faccini R Ferrarotto F Ferroni F Gaspero M Jackson PD Gioi LL Mazzoni MA Morganti S Piredda G Polci F Voena C Ebert M Schroder H Waldi R Adye T Castelli G Franek B Olaiya EO Ricciardi S Roethel W Wilson FF Aleksan R Emery S Escailier M Gaidot A Ganzhur SF de Monchenault GH Kozanecki W Legendre M Vasseur G Yeche C Zito M Chen XR Liu H Park W Purohit MV Wilson JR Allen MT Aston D Bartoldus R Bechtle P Berger N Claus R Coleman JP Convery MR Dingfelder JC Dorfan J Dubois Felsmann GP Dujmic D Dunwoodie W Field RC Glanzman T Gowdy SJ Graham MT Grenier P Halyo V Hast C Hryn'ova T Innes WR Kelsey MH Kim P Leith DWGS Li S Luitz S Luth V Lynch HL MacFarlane DB Marsiske H Messner R Muller DR O'Grady CP Ozcan VE Perazzo A Perl M Pulliam T Ratcliff BN Roodman A Salnikov AA Schindler RH Schwiening J Snyder A Stelzer J Su D Sullivan MK Suzuki K Swain SK Thompson JM Va'vra J van Bakel N Wagner AP Weaver M Wisniewski WJ Wittgen M Wright DH Wulsin HW Yarritu AK Yi K Young CC Burchat PR Edwards AJ Majewski SA Petersen BA Wilden L Ahmed S Alam MS Bula R Ernst JA Jain V Pan B Saeed MA Wappler FR Zain SB Bugg W Krishnamurthy M Spanier SM Eckmann R Ritchie JL Schilling CJ Schwitters RF Izen JM Lou XC 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 Oyanguren A Albert J Banerjee S Bhuyan B Hamano K Kowalewski R Nugent IM Roney JM Sobie RJ Back JJ Harrison PF Latham TE Mohanty GB Pappagallo M Band HR Chen X Dasu S Flood KT Hollar JJ Kutter PE Mellado B Pan Y Pierini M Prepost R Wu SL Yu Z Neal H. mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2007
Rivista:	PHYSICAL REVIEW LETTERS
Digital Object Identifier (DOI):	http://dx.doi.org/10.1103/PhysRevLett.98.091801
Handle:	http://hdl.handle.net/11384/5088
Appare nelle tipologie:	1.1 Articolo in rivista

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