We report the observation of decays B-0 -> D-s((*)+)pi(-) and B-0 -> Ds(*)-K+ in a sample of 230x10(6) Upsilon(4S)-> BB 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 -> Ds-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 -> Ds*-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 -> Ds*-K+ decays.
Observation of decays B-0 -> D-s((*)+)pi(-) and B-0 -> Ds(*)-K+ / B. Aubert, R. Barate, D. Boutigny, F. Couderc, Y. Karyotakis, J.P. Lees, V. Poireau, V. Tisserand, A. Zghiche, E. Grauges, A. Palano, M. Pappagallo, A. Pompili, J.C. Chen, N.D. Qi, G. Rong, P. Wang, Y.S. Zhu, G. Eigen, I. Ofte, B. Stugu, G.S. Abrams, M. Battaglia, D. Best, A.B. Breon, D.N. Brown, J. BUTTON SHAFER, R.N. Cahn, E. Charles, C.T. Day, M.S. Gill, A.V. Gritsan, Y. Groysman, R.G. Jacobsen, R.W. Kadel, J. Kadyk, L.T. Kerth, Y.G. Kolomensky, G. Kukartsev, G. Lynch, L.M. Mir, P.J. Oddone, T.J. Orimoto, M. Pripstein, N.A. Roe, M.T. Ronan, W.A. Wenzel, M. Barrett, K.E. Ford, T.J. Harrison, A.J. Hart, C.M. Hawkes, S.E. Morgan, A.T. Watson, M. Fritsch, K. Goetzen, T. Held, H. Koch, B. Lewandowski, M. Pelizaeus, K. Peters, T. Schroeder, M. Steinke, J.T. Boyd, J.P. Burke, N. Chevalier, W.N. Cottingham, T. CUHADAR DONSZELMANN, B.G. Fulsom, C. Hearty, N.S. Knecht, T.S. Mattison, J.A. Mckenna, A. Khan, P. Kyberd, M. Saleem, L. Teodorescu, A.E. Blinov, V.E. Blinov, A.D. Bukin, V.P. Druzhinin, V.B. Golubev, E.A. Kravchenko, A.P. Onuchin, S.I. Serednyakov, Y.I. Skovpen, E.P. Solodov, A.N. Yushkov, M. Bondioli, M. Bruinsma, M. Chao, S. Curry, I. Eschrich, D. Kirkby, A.J. Lankford, P. Lund, M. Mandelkern, R.K. Mommsen, W. Roethel, D.P. Stoker, C. Buchanan, B.L. Hartfiel, S.D. Foulkes, J.W. Gary, O. Long, B.C. Shen, K. Wang, L. Zhang, D. DEL RE, H.K. Hadavand, E.J. Hill, D.B. Macfarlane, H.P. Paar, S. Rahatlou, V. Sharma, J.W. Berryhill, C. Campagnari, A. Cunha, B. Dahmes, T.M. Hong, M.A. Mazur, J.D. Richman, W. Verkerke, T.W. Beck, A.M. Eisner, C.J. Flacco, C.A. Heusch, J. Kroseberg, W.S. Lockman, G. Nesom, T. Schalk, B.A. Schumm, A. Seiden, P. Spradlin, D.C. Williams, M.G. Wilson, J. Albert, E. Chen, G.P. DUBOIS FELSMANN, A. Dvoretskii, D.G. Hitlin, J.S. Minamora, I. Narsky, T. Piatenko, F.C. Porter, A. Ryd, A. Samuel, R. Andreassen, G. Mancinelli, B.T. Meadows, M.D. Sokoloff, F. Blanc, P.C. Bloom, S. Chen, W.T. Ford, J.F. Hirschauer, A. Kreisel, U. Nauenberg, A. Olivas, W.O. Ruddick, J.G. Smith, K.A. Ulmer, S.R. Wagner, J. Zhang, A. Chen, E.A. Eckhart, A. Soffer, W.H. Toki, R.J. Wilson, Q. Zeng, D. Altenburg, E. Feltresi, A. Hauke, B. Spaan, T. Brandt, J. Brose, M. Dickopp, V. Klose, H.M. Lacker, R. Nogowski, S. Otto, A. Petzold, J. Schubert, K.R. Schubert, R. Schwierz, J.E. Sundermann, D. Bernard, G.R. Bonneaud, P. Grenier, S. Schrenk, C. Thiebaux, G. Vasileiadis, M. Verderi, D.J. Bard, P.J. Clark, W. Gradl, F. Muheim, S. Playfer, Y. Xie, M. Andreotti, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Luppi, M. Negrini, L. Piemontese, F. Anulli, R. BALDINI FERROLI, A. Calcaterra, R. DE SANGRO, G. Finocchiaro, P. Patteri, I.M. Peruzzi, M. Piccolo, A. Zallo, A. Buzzo, R. Capra, R. Contri, M.L. Vetere, M.M. Macri, M.R. Monge, S. Passaggio, C. Patrignani, E. Robutti, A. Santroni, S. Tosi, G. Brandenburg, K.S. Chaisanguanthum, M. Morii, E. Won, J. Wu, R.S. Dubitzky, U. Langenegger, J. Marks, S. Schenk, U. Uwer, W. Bhimji, D.A. Bowerman, P.D. Dauncey, U. Egede, R.L. Flack, J.R. Gaillard, J.A. Nash, M.B. Nikolich, W.P. Vazquez, X. Chai, M.J. Charles, W.F. Mader, U. Mallik, V. Ziegler, J. Cochran, H.B. Crawley, V. Eyges, W.T. Meyer, S. Prell, E.I. Rosenberg, A.E. Rubin, J.I. Yi, G. Schott, N. Arnaud, M. Davier, X. Giroux, G. Grosdidier, A. Hocker, F.L. Diberder, V. Lepeltier, A.M. Lutz, A. Oyanguren, T.C. Petersen, S. Plaszczynski, S. Rodier, P. Roudeau, M.H. Schune, A. Stocchi, G. Wormser, C.H. Cheng, D.J. Lange, M.C. Simani, D.M. Wright, A.J. Bevan, C.A. Chavez, I.J. Forster, J.R. Fry, E. Gabathuler, R. Gamet, K.A. George, D.E. Hutchcroft, R.J. Parry, D.J. Payne, K.C. Schofield, C. Touramanis, C.M. Cormack, F.D. Lodovico, W. Menges, R. Sacco, C.L. Brown, G. Cowan, H.U. Flaecher, M.G. Green, D.A. Hopkins, P.S. Jackson, T.R. Mcmahon, S. Ricciardi, F. Salvatore, D.N. Brown, C.L. Davis, J. Allison, N.R. Barlow, R.J. Barlow, C.L. Edgar, M.C. Hodgkinson, M.P. Kelly, G.D. Lafferty, M.T. Naisbit, J.C. Williams, C. Chen, W.D. Hulsbergen, A. Jawahery, D. Kovalskyi, C.K. Lae, D.A. Roberts, G. Simi, G. Blaylock, C. Dallapiccola, S.S. Hertzbach, R. Kofler, X. Li, T.B. Moore, S. Saremi, H. Staengle, S.Y. Willocq, R. Cowan, K. Koeneke, G. Sciolla, S.J. Sekula, M. Spitznagel, F. Taylor, R.K. Yamamoto, H. Kim, P.M. Patel, S.H. Robertson, A. Lazzaro, V. Lombardo, F. Palombo, J.M. Bauer, L. Cremaldi, V. Eschenburg, R. Godang, R. Kroeger, J. Reidy, D.A. Sanders, D.J. Summers, H.W. Zhao, S. Brunet, D. Cote, P. Taras, F.B. Viaud, H. Nicholson, N. Cavallo, G.D. Nardo, F. Fabozzi, C. Gatto, L. Lista, D. Monorchio, P. Paolucci, D. Piccolo, C. Sciacca, M. Baak, H. Bulten, G. Raven, H.L. Snoek, L. Wilden, C.P. Jessop, J.M. Losecco, T. Allmendinger, G. Benelli, K.K. Gan, K. Honscheid, D. Hufnagel, P.D. Jackson, H. Kagan, R. Kass, T. Pulliam, A.M. Rahimi, R. TER ANTONYAN, Q.K. Wong, N.L. Blount, J. Brau, R. Frey, O. Igonkina, M. Lu, C.T. Potter, R. Rahmat, N.B. Sinev, D. Strom, J. Strube, E. Torrence, F. Galeazzi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, F. Simonetto, R. Stroili, C. Voci, M. Benayoun, H. Briand, J. Chauveau, P. David, L.D. Buono, C. DE LA VAISSIERE, O. Hamon, M.J.J. John, P. Leruste, J. Malcles, J. Ocariz, L. Roos, G. Therin, P.K. Behera, L. Gladney, Q.H. Guo, J. Panetta, M. Biasini, R. Covarelli, S. Pacetti, M. Pioppi, C. Angelini, G. Batignani, S. Bettarini, F. Bucci, G. Calderini, M. Carpinelli, R. Cenci, F. Forti, M.A. Giorgi, A. Lusiani, G. Marchiori, M. Morganti, N. Neri, E. Paoloni, M. Rama, G. Rizzo, J. Walsh, M. Haire, D. Judd, D.E. Wagoner, J. Biesiada, N. Danielson, P. Elmer, Y.P. Lau, C. Lu, J. Olsen, A.J.S. Smith, A.V. Telnov, F. Bellini, G. Cavoto, A. D'Orazio, E. DI MARCO, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, L. LI GIOI, M.A. Mazzoni, S. Morganti, G. Piredda, F. Polci, F.S. Tehrani, C. Voena, H. Schroder, R. Waldi, T. Adye, N. DE GROOT, B. Franek, G.P. Gopal, E.O. Olaiya, F.F. Wilson, R. Aleksan, S. Emery, A. Gaidot, S.F. Ganzhur, G. Graziani, G.H. DE MONCHENAULT, W. Kozanecki, M. Legendre, G.W. London, B. Mayer, G. Vasseur, C. Yeche, M. Zito, M.V. Purohit, A.W. Weidemann, J.R. Wilson, F.X. Yumiceva, T. Abe, M.T. Allen, D. Aston, R. Bartoldus, N. Berger, A.M. Boyarski, O.L. Buchmueller, R. Claus, J.P. Coleman, M.R. Convery, M. Cristinziani, J.C. Dingfelder, D. Dong, J. Dorfan, D. Dujmic, W. Dunwoodie, S. Fan, R.C. Field, T. Glanzman, S.J. Gowdy, T. Hadig, V. Halyo, C. Hast, T. Hryn'Ova, W.R. Innes, M.H. Kelsey, P. Kim, M.L. Kocian, D.W.G.S. Leith, J. Libby, S. Luitz, V. Luth, H.L. Lynch, H. Marsiske, R. Messner, D.R. Muller, C.P. O'Grady, V.E. Ozcan, A. Perazzo, M. Perl, B.N. Ratcliff, A. Roodman, A.A. Salnikov, R.H. Schindler, J. Schwiening, A. Snyder, J. Stelzer, D. Su, M.K. Sullivan, K. Suzuki, S.K. Swain, J.M. Thompson, J. Va'Vra, N. VAN BAKEL, M. Weaver, A.J.R. Weinstein, W.J. Wisniewski, M. Wittgen, D.H. Wright, A.K. Yarritu, K. Yi, C.C. Young, P.R. Burchat, A.J. Edwards, S.A. Majewski, B.A. Petersen, C. Roat, M. Ahmed, S. Ahmed, M.S. Alam, R. Bula, J.A. Ernst, M.A. Saeed, F.R. Wappler, S.B. Zain, W. Bugg, M. Krishnamurthy, S.M. Spanier, R. Eckmann, J.L. Ritchie, A. Satpathy, R.F. Schwitters, J.M. Izen, I. Kitayama, X.C. Lou, S. Ye, F. Bianchi, M. Bona, F. Gallo, D. Gamba, M. Bomben, L. Bosisio, C. Cartaro, F. Cossutti, G. DELLA RICCA, S. Dittongo, S. Grancagnolo, L. Lanceri, L. Vitale, V. Azzolini, F. MARTINEZ VIDAL, R.S. Panvini, S. Banerjee, B. Bhuyan, C.M. Brown, D. Fortin, K. Hamano, R. Kowalewski, J.M. Roney, R.J. Sobie, J.J. Back, P.F. Harrison, T.E. Latham, G.B. Mohanty, H.R. Band, X. Chen, B. Cheng, S. Dasu, M. Datta, A.M. Eichenbaum, K.T. Flood, M.T. Graham, J.J. Hollar, J.R. Johnson, P.E. Kutter, H. Li, R. Liu, B. Mellado, A. Mihalyi, A.K. Mohapatra, Y. Pan, M. Pierini, R. Prepost, P. Tan, S.L. Wu, Z. Yu, H. Neal. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 98:8(2007), pp. 081801.081801-1-081801.081801-7.
Observation of decays B-0 -> D-s((*)+)pi(-) and B-0 -> Ds(*)-K+
A. Lazzaro;V. Lombardo;F. Palombo;N. Neri;
2007
Abstract
We report the observation of decays B-0 -> D-s((*)+)pi(-) and B-0 -> Ds(*)-K+ in a sample of 230x10(6) Upsilon(4S)-> BB 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 -> Ds-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 -> Ds*-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 -> Ds*-K+ decays.| File | Dimensione | Formato | |
|---|---|---|---|
|
PhysRevLett.98.081801.pdf
accesso aperto
Tipologia:
Publisher's version/PDF
Dimensione
244.82 kB
Formato
Adobe PDF
|
244.82 kB | Adobe PDF | Visualizza/Apri |
Pubblicazioni consigliate
I metadati presenti in AIR sono rilasciati con licenza CCO mentre i file delle pubblicazioni sono rilasciati con licenza CC BY-SA, salvo diversa indicazione. In caso di violazione di copyright, contattare l'assistenza di AIR




