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Measurement of B → X^y Decays and Determination of │V_(td)/V_(ts)│

Aubert, B. and Bona, M. and Karyotakis, Y. and Lees, J. P. and Poireau, V. and Prencipe, E. and Prudent, X. and Tisserand, V. and Garra-Tico, J. and Grauges, E. and Lopez, L. and Palano, A. and Pappagallo, M. and Eigen, G. and Stugu, B. and Sun, L. and Abrams, G. S. and Battaglia, M. and Brown, D. N. and Cahn, R. N. and Jacobsen, R. G. and Kerth, L. T. and Kolomensky, Yu. G. and Lynch, G. and Osipenkov, I. L. and Ronan, M. T. and Tackmann, K. and Tanabe, T. and Hawkes, C. M. and Soni, N. and Watson, A. T. and Koch, H. and Schroeder, T. and Walker, D. and Asgeirsson, D. J. and Fulsom, B. G. and Hearty, C. and Mattison, T. S. and McKenna, J. A. and Barrett, M. and Khan, A. and Blinov, V. E. and Bukin, A. D. and Buzykaev, A. R. and Druzhinin, V. P. and Golubev, V. B. and Onuchin, A. P. and Serednyakov, S. I. and Skovpen, Yu. I. and Solodov, E. P. and Todyshev, K. Yu. and Bondioli, M. and Curry, S. and Eschrich, I. and Kirkby, D. and Lankford, A. J. and Lund, P. and Mandelkern, M. and Martin, E. C. and Stoker, D. P. and Abachi, S. and Buchanan, C. and Gary, J. W. and Liu, F. and Long, O. and Shen, B. C. and Vitug, G. M. and Yasin, Z. and Zhang, L. and Sharma, V. and Campagnari, C. and Hong, T. M. and Kovalskyi, D. and Mazur, M. A. and Richman, J. D. and Beck, T. W. and Eisner, A. M. and Flacco, C. J. and Heusch, C. A. and Kroseberg, J. and Lockman, W. S. and Martinez, A. J. and Schalk, T. and Schumm, B. A. and Seiden, A. and Wilson, M. G. and Winstrom, L. O. and Cheng, C. H. and Doll, D. A. and Echenard, B. and Fang, F. and Hitlin, D. G. and Narsky, I. and Piatenko, T. and Porter, F. C. and Andreassen, R. and Mancinelli, G. and Meadows, B. T. and Mishra, K. and Sokoloff, M. D. and Bloom, P. C. and Ford, W. T. and Gaz, A. and Hirschauer, J. F. and Nagel, M. and Nauenberg, U. and Smith, J. G. and Ulmer, K. A. and Wagner, S. R. and Ayad, R. and Soffer, A. and Toki, W. H. and Wilson, R. J. and Altenburg, D. D. and Feltresi, E. and Hauke, A. and Jasper, H. and Karbach, M. and Merkel, J. and Petzold, A. and Spaan, B. and Wacker, K. and Kobel, M. J. and Mader, W. F. and Nogowski, R. and Schubert, K. R. and Schwierz, R. and Volk, A. and Bernard, D. and Bonneaud, G. R. and Latour, E. and Verderi, M. and Clark, P. J. and Playfer, S. and Watson, J. E. and Andreotti, M. and Bettoni, D. and Bozzi, C. and Calabrese, R. and Cecchi, A. and Cibinetto, G. and Franchini, P. and Luppi, E. and Negrini, M. and Petrella, A. and Piemontese, L. and Santoro, V. and Baldini-Ferroli, R. and Calcaterra, A. and De-Sangro, R. and Finocchiaro, G. and Pacetti, S. and Patteri, P. and Peruzzi, I. M. and Piccolo, M. and Rama, M. and Zallo, A. and Buzzo, A. and Contri, R. and Lo-Vetere, M. and Macri, M. M. and Monge, M. R. and Passaggio, S. and Patrignani, C. and Robutti, E. and Santroni, A. and Tosi, S. and Chaisanguanthum, K. S. and Morii, M. and Adametz, A. and Marks, J. and Schenk, S. and Uwer, U. and Klose, V. and Lacker, H. M. and Bard, D. J. and Dauncey, P. D. and Nash, J. A. and Tibbetts, M. and Behera, P. K. and Chai, X. and Charles, M. J. and Mallik, U. and Cochran, J. and Crawley, H. B. and Dong, L. and Meyer, W. T. and Prell, S. and Rosenberg, E. I. and Rubin, A. E. and Gao, Y. Y. and Gritsan, A. V. and Guo, Z. J. and Lae, C. K. and Arnaud, N. and Béquilleux, J. and D'Orazio, A. and Davier, M. and Firmino-da-Costa, J. and Grosdidier, G. and Höcker, A. and Lepeltier, V. and Le-Diberder, F. and Lutz, A. M. and Pruvot, S. and Roudeau, P. and Schune, M. H. and Serrano, J. and Sordini, V. and Stocchi, A. and Wormser, G. and Lange, D. J. and Wright, D. M. and Bingham, I. and Burke, J. P. and Chavez, C. A. and Fry, J. R. and Gabathuler, E. and Gamet, R. and Hutchcroft, D. E. and Payne, D. J. and Touramanis, C. and Bevan, A. J. and Clarke, C. K. and George, K. 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B. and Nicholson, H. and De-Nardo, G. and Lista, L. and Monorchio, D. and Onorato, G. and Sciacca, C. and Raven, G. and Snoek, H. L. and Jessop, C. P. and Knoepfel, K. J. and LoSecco, J. M. and Wang, W. F. and Benelli, G. and Corwin, L. A. and Honscheid, K. and Kagan, H. and Kass, R. and Morris, J. P. and Rahimi, A. M. and Regensburger, J. J. and Sekula, S. J. and Wong, Q. K. and Blount, N. L. and Brau, J. and Frey, R. and Igonkina, O. and Kolb, J. A. and Lu, M. and Rahmat, R. and Sinev, N. B. and Strom, D. and Strube, J. and Torrence, E. and Castelli, G. and Gagliardi, N. and Margoni, M. and Morandin, M. and Posocco, M. and Rotondo, M. and Simonetto, F. and Stroili, R. and Voci, C. and del-Amo-Sanchez, P. and Ben-Haim, E. and Briand, H. and Calderini, G. and Chauveau, J. and David, P. and Del-Buono, L. and Hamon, O. and Leruste, Ph. and Ocariz, J. and Perez, A. and Prendki, J. and Sitt, S. and Gladney, L. and Biasini, M. and Covarelli, R. and Manoni, E. and Angelini, C. and Batignani, G. and Bettarini, S. and Carpinelli, M. and Cervelli, A. and Forti, F. and Giorgi, M. A. and Lusiani, A. and Marchiori, G. and Morganti, M. and Neri, N. and Paoloni, E. and Rizzo, G. and Walsh, J. J. and Lopes-Pegna, D. and Lu, C. and Olsen, J. and Smith, A. J. S. and Telnov, A. V. and Anulli, F. and Baracchini, E. and Cavoto, G. and del-Re, D. and Di-Marco, E. and Faccini, R. and Ferrarotto, F. and Ferroni, F. and Gaspero, M. and Jackson, P. D. and Gioi, L. Li and Mazzoni, M. A. and Morganti, S. and Piredda, G. and Polci, F. and Renga, F. and Voena, C. and Ebert, M. and Hartmann, T. and Schröder, H. and Waldi, R. and Adye, T. and Franek, B. and Olaiya, E. O. and Wilson, F. F. and Emery, S. and Escalier, M. and Esteve, L. and Ganzhur, S. F. and Hamel-de-Monchenault, G. and Kozanecki, W. and Vasseur, G. and Yèche, Ch. and Zito, M. and Chen, X. R. and Liu, H. and Park, W. and Purohit, M. V. and White, R. M. and WIlson, J. R. and Allen, M. T. and Aston, D. and Bartoldus, R. and Bechtle, P. and Benitez, J. F. and Cenci, R. and Coleman, J. P. and Convery, M. R. and Dingfelder, J. C. and Dorfan, J. and Dubois-Felsmann, G. P. and Dunwoodie, W. and Field, R. C. and Gabareen, A. M. and Gowdy, S. J. and Graham, M. T. and Grenier, P. and Hast, C. and Innes, W. R. and Kaminski, J. and Kelsey, M. H. and Kim, H. and Kim, P. and Kocian, M. L. and Leith, D. W. G. S. and Li, S. and Lindquist, B. and Luitz, S. and Luth, V. and Lynch, H. L. and MacFarlane, D. B. and Marsiske, H. and Messner, R. and Muller, D. R. and Neal, H. and Nelson, S. and O'Grady, C. P. and Ofte, I. and Perazzo, A. and Perl, M. and Ratcliff, B. N. and Roodman, A. and Salnikov, A. A. and Schindler, R. H. and Schwiening, J. and Snyder, A. and Su, D. and Sullivan, M. K. and Suzuki, K. and Swain, S. K. and Thompson, J. M. and Va'vra, J. and Wagner, A. P. and Weaver, M. and West, C. A. and Wisniewski, W. J. and Wittgen, M. and Wright, D. H. and Wulsin, H. W. and Yarritu, A. K. and Yi, K. and Young, C. C. and Ziegler, V. and Burchat, P. R. and Edwards, A. J. and Majewski, S. A. and Miyashita, T. S. and Petersen, B. A. and Wilden, L. and Ahmed, S. and Alam, M. S. and Ernst, J. A. and Pan, B. and Saeed, M. A. and Zain, S. B. and Spanier, S. M. and Wogsland, B. J. and Eckmann, R. and Ritchie, J. L. and Ruland, A. M. and Schilling, C. J. and Schwitters, R. F. and Drummond, B. W. and Izen, J. M. and Lou, X. C. and Bianchi, F. and Gamba, D. and Pelliccioni, M. and Bomben, M. and Bosisio, L. and Cartaro, C. and Della-Ricca, G. and Lanceri, L. and Vitale, L. and Azzolini, V. and Lopez-March, N. and Martinez-Vidal, F. and Milanes, D. A. and Oyanguren, A. and Albert, J. and Banerjee, Sw. and Bhuyan, B. and Choi, H. H. F. and Hamano, K. and Kowalewski, R. and Lewczuk, M. J. and Nugent, I. M. and Roney, J. M. and Sobie, R. J. and Gershon, T. J. and Harrison, P. F. and Ilic, J. and Latham, T. E. and Mohanty, G. B. and Band, H. R. and Chen, X. and Dasu, S. and Flood, K. T. and Pan, Y. and Pierini, M. and Prepost, R. and Vuosalo, C. O. and Wu, S. L. (2009) Measurement of B → X^y Decays and Determination of │V_(td)/V_(ts)│. Physical Review Letters, 102 (16). Art. No. 161803. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:20091103-142922459

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Abstract

Using a sample of 383 X 10^6 BB events collected by the BABAR experiment, we measure sums of seven exclusive final states B → X_(d(s))Y, where X_d (Xs) is a nonstrange (strange) charmless hadronic system in the mass range 0:6–1:8 GeV/c^2. After correcting for unmeasured decay modes in this mass range, we obtain a branching fraction for b → dy of (7:2 ± 2:7(stat) ± 2:3(syst) X 10^(-6). Taking the ratio of X_d to X_s we find Г(b → dy)/Г(b → sy) = 0:033 ± 0:013(stat) ± 0:009(syst), from which we determine │V_(td)/V_(ts)│= 0:177 ± 0:043.


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http://dx.doi.org/10.1103/PhysRevLett.102.161803DOIArticle
http://link.aps.org/doi/10.1103/PhysRevLett.102.161803 PublisherArticle
Additional Information:© 2009 The American Physical Society. Received 1 August 2008; published 23 April 2009. We are grateful for the excellent luminosity and machine conditions provided by our PEP-II colleagues, and for the substantial dedicated effort from the computing organizations that support BABAR. The collaborating institutions wish to thank SLAC for its support and kind hospitality. This work is supported by DOE and NSF (USA), NSERC (Canada), CEA and CNRS-IN2P3 (France), BMBF and DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MES (Russia), MEC (Spain), and STFC (United Kingdom). Individuals have received support from the Marie Curie EIF (European Union) and the A. P. Sloan Foundation.
Funders:
Funding AgencyGrant Number
Stanford Linear Accelerator CenterUNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
NSFUNSPECIFIED
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Commissariat à l’Energie Atomique (CEA)UNSPECIFIED
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
Bundesministerium für Bildung und Forschung (BMBF)UNSPECIFIED
Deutsche Forschungsgemeinschaft (DFG)UNSPECIFIED
Istituto Nazionale di Fisica Nucleare (INFN)UNSPECIFIED
Stichting voor Fundamenteel Onderzoek der Materie (FOM)UNSPECIFIED
Norwegian Research CouncilUNSPECIFIED
Ministry of Education and Science of the Russian Federation UNSPECIFIED
Ministerio de Educación y Ciencia (MEC)UNSPECIFIED
Science and Technology Facilities Council (STFC)UNSPECIFIED
Marie Curie FellowshipUNSPECIFIED
Alfred P. Sloan FoundationUNSPECIFIED
Institut National de Physique Nucléaire et de Physique des Particules (IN2P3)UNSPECIFIED
Classification Code:PACS: 13.20.He; 12.15.Hh
Record Number:CaltechAUTHORS:20091103-142922459
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20091103-142922459
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:16568
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:25 Nov 2009 18:41
Last Modified:23 May 2017 23:37

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