Results 31 to 40 of about 12,458,012 (347)

RADIATIVE B MESON DECAY [PDF]

B Physics and CP Violation, 2001
We studied radiative B meson decays with the Belle detector. We measured the following branching fractions; Br(B->K*0(892) ) = (49.6 \pm 6.7 \pm 4.5) x 10^{-6}, Br(B->K*+(892) ) = (38.9 \pm 9.3 \pm 4.1) x 10^{-6}, Br(B->Xs ) = (3.39 \pm 0.53 \pm 0.42 +0.51-0.55) x 10^{-4}.
openaire   +2 more sources

Dark matter and B -meson anomalies in a flavor dependent gauge symmetry [PDF]

Physical Review D, 2019
A possibility of explaining the anomalies in the semileptonic $B$-meson decay $B \to K^{*} \mu \bar\mu$ has been explored in the framework of the gauged $U(1)_{\mu-\tau}$ symmetry.
P. Hutauruk, Takaaki Nomura, H. Okada, Y. Orikasa   +3 more
semanticscholar   +1 more source

Rank-one flavor violation and B-meson anomalies [PDF]

Journal of High Energy Physics, 2019
We assume that the quark-flavor coefficients matrix of the semileptonic operators addressing the neutral-current B-meson anomalies has rank-one, i.e. it can be described by a single vector in quark-flavor space.
V. Gherardi, D. Marzocca, M. Nardecchia, A. Romanino   +3 more
semanticscholar   +1 more source

Study of B Meson Decays with Excited eta and eta' Mesons [PDF]

Physical review letters, 2008
Using 383 million BBbar pairs from the BaBar data sample, we report results for branching fractions of six charged B-meson decay modes, where a charged kaon recoils against a charmless resonance decaying to KKbar* or etapipi final states with mass in the range (1.2-1.8)gev/c^2. We observe a significant enhancement at the low KK*bar invariant mass which
B, Aubert, M, Bona, D, Boutigny, Y, Karyotakis, J P, Lees, V, Poireau, X, Prudent, V, Tisserand, A, Zghiche, J Garra, Tico, E, Grauges, L, Lopez, A, Palano, M, Pappagallo, G, Eigen, B, Stugu, L, Sun, G S, Abrams, M, Battaglia, D N, Brown, J, Button-Shafer, R N, Cahn, Y, Groysman, R G, Jacobsen, J A, Kadyk, L T, Kerth, Yu G, Kolomensky, G, Kukartsev, D, Lopes Pegna, G, Lynch, L M, Mir, T J, Orimoto, I L, Osipenkov, M T, Ronan, K, Tackmann, T, Tanabe, W A, Wenzel, P, del Amo Sanchez, C M, Hawkes, A T, Watson, T, Held, H, Koch, M, Pelizaeus, T, Schroeder, M, Steinke, D, Walker, D J, Asgeirsson, T, Cuhadar-Donszelmann, B G, Fulsom, C, Hearty, T S, Mattison, J A, McKenna, M, Barrett, A, Khan, M, Saleem, L, Teodorescu, V E, Blinov, A D, Bukin, V P, Druzhinin, V B, Golubev, A P, Onuchin, S I, Serednyakov, Yu I, Skovpen, E P, Solodov, K Yu, Todyshev, M, Bondioli, S, Curry, I, Eschrich, D, Kirkby, A J, Lankford, P, Lund, M, Mandelkern, E C, Martin, D P, Stoker, S, Abachi, C, Buchanan, S D, Foulkes, J W, Gary, F, Liu, O, Long, B C, Shen, L, Zhang, H P, Paar, S, Rahatlou, V, Sharma, J W, Berryhill, C, Campagnari, A, Cunha, B, Dahmes, T M, Hong, D, Kovalskyi, J D, Richman, T W, Beck, A M, Eisner, C J, Flacco, C A, Heusch, J, Kroseberg, W S, Lockman, T, Schalk, B A, Schumm, A, Seiden, M G, Wilson, L O, Winstrom, E, Chen, C H, Cheng, F, Fang, D G, Hitlin, I, Narsky, T, Piatenko, F C, Porter, R, Andreassen, G, Mancinelli, B T, Meadows, K, Mishra, M D, Sokoloff, F, Blanc, P C, Bloom, S, Chen, W T, Ford, J F, Hirschauer, A, Kreisel, M, Nagel, U, Nauenberg, A, Olivas, J G, Smith, K A, Ulmer, S R, Wagner, J, Zhang, A M, Gabareen, A, Soffer, W H, Toki, R J, Wilson, F, Winklmeier, D D, Altenburg, E, Feltresi, A, Hauke, H, Jasper, J, Merkel, A, Petzold, B, Spaan, K, Wacker, V, Klose, M J, Kobel, H M, Lacker, W F, Mader, R, Nogowski, J, Schubert, K R, Schubert, R, Schwierz, J E, Sundermann, A, Volk, D, Bernard, G R, Bonneaud, E, Latour, V, Lombardo, Ch, Thiebaux, M, Verderi, P J, Clark, W, Gradl, F, Muheim, S, Playfer, A I, Robertson, J E, Watson, Y, Xie, M, Andreotti, D, Bettoni, C, Bozzi, R, Calabrese, A, Cecchi, G, Cibinetto, P, Franchini, E, Luppi, M, Negrini, A, Petrella, L, Piemontese, E, Prencipe, V, Santoro, F, Anulli, R, Baldini-Ferroli, A, Calcaterra, R, de Sangro, G, Finocchiaro, S, Pacetti, P, Patteri, I M, Peruzzi, M, Piccolo, M, Rama, A, Zallo, A, Buzzo, R, Contri, M, Lo Vetere, M M, Macri, M R, Monge, S, Passaggio, C, Patrignani, E, Robutti, A, Santroni, S, Tosi, K S, Chaisanguanthum, M, Morii, D J, Bard, L, Dong, N, Arnaud, J, Serrano, V, Sordini, C, Touramanis, F, Di Lodovico, H U, Flaecher, F, Salvatore, G D, Lafferty, C, Chen, C, Dallapiccola, F, Palombo, C, Sciacca, G, Raven, L A, Corwin, J, Strube, G, Calderini, L, Del Buono, J, Ocariz, G, Marchiori, N, Neri, F, Bellini, P D, Jackson, C, Voena, M, Ebert, T, Adye, M, Escalier, G, Hamel de Monchenault, G, Vasseur, N, Berger, T, Hryn'ova, A, Roodman, D, Su, S A, Majewski, M, Bomben, L, Lanceri, J, Albert, R, Kowalewski, J M, Roney, T E, Latham, S, Dasu, S L, Wu   +242 more
openaire   +10 more sources

Higher-twist B-meson distribution amplitudes in HQET [PDF]

, 2017
A bstractWe present a systematic study of higher-twist distribution amplitudes (DAs) of the B-meson which give rise to power-suppressed 1/mB contributions to B-decays in final states with energetic light particles in the framework of QCD factorization ...
V. Braun, Yao Ji, A. Manashov
semanticscholar   +1 more source

Baryogenesis from B meson oscillations [PDF]

Physical Review D, 2019
We show how CP violating B meson oscillations in conjunction with baryon number violating decays can generate the cosmological asymmetry between matter and anti-matter, and explore the parameter space of a simple, self-contained model, which can be ...
A. Nelson, Huangyu Xiao
semanticscholar   +1 more source

The decays of $$\bar{B}^0$$ B¯0 , $$\bar{B}^0_s$$ B¯s0 and $$B^-$$ B- into $$\eta _c$$ ηc plus a scalar or vector meson

European Physical Journal C: Particles and Fields, 2018
We investigate the decays of $$\bar{B}^0_s$$ B¯s0 , $$\bar{B}^0$$ B¯0 and $$B^-$$ B- into $$\eta _c$$ ηc plus a scalar or vector meson in a theoretical framework by taking into account the dominant process for the weak decay of $$\bar{B}$$ B¯ meson into $
Ju-Jun Xie, Gang Li
doaj   +1 more source

New methods for B meson decay constants and form factors from lattice NRQCD [PDF]

, 2017
We determine the normalization of scalar and pseudoscalar current operators made from nonrelativistic b quarks and highly improved staggered light quarks in lattice quantum chromodynamics (QCD) through OðαsÞ and ΛQCD=mb. We use matrix elements of these
Christine T. H. Davies, Ciaran Hughes, Ciaran Hughes, C. Monahan, C. Monahan   +4 more
semanticscholar   +1 more source

B Meson Anomalies in a Pati-Salam Model within the Randall-Sundrum Background. [PDF]

Physical Review Letters, 2018
Lepton number as a fourth color is the intriguing theoretical idea of the famous Pati-Salam (PS) model. While in conventional PS models, the symmetry breaking scale and the mass of the resulting vector leptoquark are stringently constrained by K_{L}→μe ...
M. Blanke, A. Crivellin
semanticscholar   +1 more source

Rapidity resummation for B-meson wave functions

EPJ Web of Conferences, 2014
Transverse-momentum dependent (TMD) hadronic wave functions develop light-cone divergences under QCD corrections, which are commonly regularized by the rapidity ζ of gauge vector defining the non-light-like Wilson lines.
Shen Yue-Long, Wang Yu-Ming
doaj   +1 more source