Results 61 to 70 of about 5,931 (207)

Dispersive analysis of B → K (*) and B s → ϕ form factors

Journal of High Energy Physics, 2023
We propose a stronger formulation of the dispersive (or unitarity) bounds à la Boyd-Grinstein-Lebed (BGL), which are commonly applied in analyses of the hadronic form factors for B decays.
Nico Gubernari, Méril Reboud, Danny van Dyk, Javier Virto   +3 more
doaj   +1 more source

Charmless Non-Leptonic Multi-Body B decays [PDF]

, 2017
We review the theoretical and phenomenological status of two- and three-body charmless non- leptonic B decays, with an emphasis on factorization ...
Virto Iñigo, Javier
core  

Heavy quark symmetry behind b → c semileptonic sum rule

Journal of High Energy Physics
Lepton flavor universality violations in semileptonic b → c transitions have garnered attention over a decade. For $${R}_{{H}_{c}}={\text{BR}}\left({H}_{b}\to {H}_{c}\tau {\overline{\nu }}_{\tau }\right)/{\text{BR}}\left({H}_{b}\to {H}_{c}{\ell ...
Motoi Endo, Syuhei Iguro, Satoshi Mishima, Ryoutaro Watanabe   +3 more
doaj   +1 more source

On the impact of meson mixing on B s → ϕee angular observables at low q 2

Journal of High Energy Physics, 2023
Decays based on the b → sγ transition are expected to yield left-handed photons in the Standard Model, but could be particularly sensitive to New Physics contributions modifying the short-distance Wilson coefficients C $$ \mathcal{C} $$ 7 and C ...
Sébastien Descotes-Genon, Ioannis Plakias, Olcyr Sumensari   +2 more
doaj   +1 more source

A lattice study of semi-leptonic decays of D-mesons [PDF]

Nuclear Physics B - Proceedings Supplements, 1995
3 pages, uuencoded compressed postscript file, contribution to Lattice '94, 27 Sep - 1 Oct, Bielefeld, Germany, to appear in the ...
openaire   +2 more sources

Experimental prospects for Vud, Vus, Vcd, Vcs and (semi-)leptonic D decays at LHC-b

, 2019
Experimental prospects for Vud, Vus, Vcd, Vcs and (semi-)leptonic D decays at LHC-
Davis, Adam, Davis, Adam (6339227)
core   +1 more source

Radiative τ leptonic decays and the possibility to determine the τ dipole moments [PDF]

, 2016
Precise data on radiative leptonic τ decays offer the opportunity to probe the electromagnetic properties of the τ and may allow to determine its anomalous magnetic moment which, in spite of its precise Standard Model prediction, has never been measured.
Passera, Massimo, Massarotti, P., Fael, Matteo, D’Ambrosio, G., Iacovacci, M., Venanzoni, G., Mastroianni, S.   +6 more
core   +1 more source

Semileptonic tau decays beyond the Standard Model

Journal of High Energy Physics, 2022
Hadronic τ decays are studied as probe of new physics. We determine the dependence of several inclusive and exclusive τ observables on the Wilson coefficients of the low-energy effective theory describing charged-current interactions between light quarks
Vincenzo Cirigliano, David Díaz-Calderón, Adam Falkowski, Martín González-Alonso, Antonio Rodríguez-Sánchez   +4 more
doaj   +1 more source

Rare b decays meet high-mass Drell-Yan

Journal of High Energy Physics, 2023
Rare b hadron decays are considered excellent probes of new semileptonic four-fermion interactions of microscopic origin. However, the same interactions also correct the high-mass Drell-Yan tails.
Admir Greljo, Jakub Salko, Aleks Smolkovič, Peter Stangl   +3 more
doaj   +1 more source

Form factors for semi-leptonic B decays [PDF]

Proceedings of The 30th International Symposium on Lattice Field Theory — PoS(Lattice 2012), 2012
We report on form factors for the B->K l^+ l^- semi-leptonic decay process. We use several lattice spacings from a=0.12 fm down to 0.06 fm and a variety of dynamical quark masses with 2+1 flavors of asqtad quarks provided by the MILC Collaboration. These ensembles allow good control of the chiral and continuum extrapolations.
Zhou, Ran, Gottlieb, Steven, Bailey, Jon A., Du, Daping, El-Khadra, Aida X., Jain, R. D., Kronfeld, Andreas S., Van de Water, Ruth S., Liu, Yuzhi, Meurice, Yannick   +9 more
openaire   +2 more sources