We report on a search for eleven lepton-number violating processes B+→X−ℓ+ℓ'+ with X−=K−, π−, ρ−, K*−, or D− and ℓ+/ℓ'+=e+ or μ+, using a sample of 471±3 million BB¯ events collected with the BABAR detector at the PEP-II e+e− collider at the SLAC National Accelerator Laboratory. We find no evidence for any of these modes and place 90% confidence level upper limits on their branching fractions in the range (1.5–26)×10−7.
Search for lepton-number violating B+ -> X(-)l(+)l '(+) decays / J.P. Lees, V. Poireau, V. Tisserand, E. Grauges, A. Palano, G. Eigen, B. Stugu, D.N. Brown, L.T. Kerth, Y.U.G. Kolomensky, M.J. Lee, G. Lynch, H. Koch, T. Schroeder, C. Hearty, T.S. Mattison, J.A. Mckenna, G.Y. So, A. Khan, V.E. Blinovac, A.R. Buzykaeva, V.P. Druzhinin, V.B. Golubev, E.A. Kravchenko, A.P. Onuchin, S.I. Serednyakov, Y.U.I. Skovpen, E.P. Solodov, K.Y.U. Todyshev, A.N. Yushkov, A.J. Lankford, M. Mandelkern, B. Dey, J.W. Gary, O. Long, C. Campagnari, M. Franco Sevilla, T.M. Hong, D. Kovalskyi, J.D. Richman, C.A. West, A.M. Eisner, W.S. Lockman, B.A. Schumm, A. Seiden, D.S. Chao, C.H. Cheng, B. Echenard, K.T. Flood, D.G. Hitlin, T.S. Miyashita, P. Ongmongkolkul, F.C. Porter, R. Andreassen, Z. Huard, B.T. Meadows, B.G. Pushpawela, M.D. Sokoloff, L. Sun, P.C. Bloom, W.T. Ford, A.G.U. Nauenberg, J.G. Smith, S.R. Wagner, R. Ayad, W.H. Toki, B. Spaan, R. Schwierz, D. Bernard, M. Verderi, S. Playfer, D. Bettonia, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, L. Piemontese, V. Santoro, A. Calcaterra, R. de Sangro, G. Finocchiaro, S. Martellotti, P. Patteri, I.M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. Lo Vetere, M.R. Mong, S. Passaggio, C. Patrignani, E. Robutti, B. Bhuyan, V. Prasad, M. Morii, A. Adametz, U. Uwer, H.M. Lacker, P.D. Dauncey, U. Mallik, C. Chen, J. Cochran, W.T. Meyer, S. Prell, H. Ahmed, A.V. Gritsan, N. Arnaud, M. Davier, D. Derkach, G. Grosdidier, F. Le Diberder, A.M. Lutz, B. Malaescu, P. Roudeau, A. Stocchi, G. Wormser, D.J. Lange, D.M. Wright, J.P. Coleman, J.R. Fry, E. Gabathuler, D.E. Hutchcroft, D.J. Payne, C. Touramanis, A.J. Bevan, F. Di Lodovico, R. Sacco, G. Cowan, J. Bougher, D.N. Brown, C.L. Davis, A.G. Denig, M. Fritsch, W. Gradl, K. Griessinger, A. Hafner, E. Prencipe, K.R. Schubert, R.J. Barlow, G.D. Lafferty, R. Cenci, B. Hamilton, A. Jawahery, D.A. Roberts, R. Cowan, D. Dujmic, G. Sciolla, R. Cheaib, P.M. Patel, S.H. Robertson, P. Biassoni, N. Neri, F. Palombo, L. Cremaldi, R. Godang, P. Sonnek, D.J. Summers, M. Simard, P. Taras, G. De Nardo, D. Monorchio, G. Onorato, C. Sciacca, M. Martinelli, G. Raven, C.P. Jessop, J.M. Lo Secco, K. Honscheid, R. Kass, J. Brau, R. Frey, N.B. Sinev, D. Strom, E. Torrence, E. Feltresi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, G. Simi, F. Simonetto, R. Stroili, S. Akar, E. Ben Haim, M. Bomben, G.R. Bonneaud, H. Briand, G. Calderini, J. Chauveau, P.H. Leruste, G. Marchiori, J. Ocariz, S. Sitt, M. Biasini, E. Manonia, S. Pacetti, A. Rossi, C. Angelini, G. Batignani, S. Bettarini, M. Carpinelli, G. Casarosa, A. Cervelli, M. Chrzaszcz, F. Forti, M.A. Giorgi, A. Lusiani, B. Oberhof, E. Paoloni, A. Perez, G. Rizzo, 5.J.J. Walsh, D. Lopes Pegna, J. Olsen, A.J.S. Smith, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, L. Li Gioi, G. Piredda, C. Bunnge, O. Grunberg, T. Hartmann, T. Leddig, C. Voß, R. Waldi, T. Adye, E.O. Olaiya, F.F. Wilson, S. Emery, G. Hamel de Monchenault, G. Vasseur, C.H. Y`eche, F. Anulli, D. Aston, D.J. Bard, J.F. Benitez, C. Cartaro, M.R. Convery, J. Dorfan, G.P. Dubois Felsmann, W. Dunwoodie, M. Ebert, R.C. Field, B.G. Fulsom, A.M. Gabareen, M.T. Graham, C. Hast, W.R. Innes, P. Kim, M.L. Kocian, D.W.G.S. Leith, D. Lindemann, B. Lindquist, S. Luitz, V. Luth, H.L. Lynch, D.B. Macfarlane, D.R. Muller, H. Neal, S. Nelson, M. Perl, T. Pulliam, B.N. Ratcliff, A. Roodman, A.A. Salnikov, R.H. Schindler, A. Snyder, D. Su, M.K. Sullivan, J. Va’Vra, A.P. Wagner, W.F. Wang, W.J. Wisniewski, M. Wittgen, D.H. Wright, H.W. Wulsin, V. Ziegler, W. Park, M.V. Purohit, R.M. White, J.R. Wilson, A. Randle Conde, S.J. Sekula, M. Bellis, P.R. Burchat, E.M.T. Puccio, M.S. Alam, J.A. Ernst, R. Gorodeisky, N. Guttman, D.R. Peimer, A. Soffer, S.M. Spanier, J.L. Ritchie, A.M. Ruland, R.F. Schwitters, B.C. Wray, J.M. Izen, X.C. Lou, F. Bianchi, F. De Mori, A. Filippi, D. Gamba, S. Zambito, L. Lanceri, L. Vitale, F. Martinez Vidal, A. Oyanguren, P. Villanueva Perez, J. Albert, S.W. Banerjee, F.U. Bernlochner, H.H.F. Choi, G.J. King, R. Kowalewski, M.J. Lewczuk, T. Lueck, I.M. Nugent, J.M. Roney, R.J. Sobie, N. Tasneem, T.J. Gershon, P.F. Harrison, T.E. Latham, H.R. Band, S. Dasu, Y. Pan, R. Prepost, S.L. Wu. - In: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY. - ISSN 1550-7998. - 89:1(2014), pp. 011102.1-011102.8. [10.1103/PhysRevD.89.011102]
Search for lepton-number violating B+ -> X(-)l(+)l '(+) decays
N. Neri;F. Palombo;
2014
Abstract
We report on a search for eleven lepton-number violating processes B+→X−ℓ+ℓ'+ with X−=K−, π−, ρ−, K*−, or D− and ℓ+/ℓ'+=e+ or μ+, using a sample of 471±3 million BB¯ events collected with the BABAR detector at the PEP-II e+e− collider at the SLAC National Accelerator Laboratory. We find no evidence for any of these modes and place 90% confidence level upper limits on their branching fractions in the range (1.5–26)×10−7.Pubblicazioni consigliate
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