Results 111 to 120 of about 5,868 (157)

A General Treatment of Tau Semi-Leptonic Decays

, 1995
Contributed paper to LP95, Beijing. Expanded version to be submitted to Phys. Rev.
Nelson, Charles A., Kim, Minseob, Nazareth, Daryl P., Yang, Hui-Chun   +3 more
openaire   +2 more sources

Hyperon semileptonic decays in QCD sum rules

Journal of High Energy Physics
We investigate the hyperon semileptonic decays within the framework of QCD sum rules. The flavor SU(3) symmetry breaking effects are analyzed via the relevant form factors and corresponding branching fractions.
Sheng-Qi Zhang, Xuan-Heng Zhang, Cong-Feng Qiao   +2 more
doaj   +1 more source

Testing lepton flavor universality at the Electron-Ion Collider

Journal of High Energy Physics
Measurements of b → cτ − ν ¯ τ $$ b\to {c\tau}^{-}{\overline{\nu}}_{\tau } $$ transitions at colliders are highly motivated for testing lepton flavor universality (LFU), a cornerstone hypothesis of the Standard Model (SM).
Yong jie Deng, Xu-Hui Jiang, Tianbo Liu, Bin Yan   +3 more
doaj   +1 more source

SLAC-PUB-7229 ICHEP-96 PA08-026B July 1996 Preliminary Measurement of Time-Dependent [PDF]

, 2007
The time dependence of B mixing has been measured using a sample of 150,000 hadronic Z decays collected by the SLD experiment at the SLC between 1993 and 1995.
Selected Semi-leptonic, Mixing Using Topology, B Decays   +2 more
core  

Radiative corrections to the muon polarization in the semileptonic decay of a neutral kaon

Journal of High Energy Physics
A model-independent expression for the Dalitz plot of the semileptonic decays of a neutral kaon K μ 3 0 $$ {K}_{\mu 3}^0 $$ , including radiative corrections to order O $$ \mathcal{O} $$ [(α/π)(q/M 1)], where q is the four-momentum transfer and M 1 is ...
J. Vieyra, A. Martínez, M. Neri, A. Hernández-Galeana   +3 more
doaj   +1 more source

Disentangling left-handed and right-handed neutrino effects in B c → τ ν ¯ τ $$ {B}_c\to \tau {\overline{\nu}}_{\tau } $$ decay

Journal of High Energy Physics
Inspired by the anomalies in B → D ∗ τ ν ¯ τ $$ B\to {D}^{\left(\ast \right)}\tau {\overline{\nu}}_{\tau } $$ decay, in this work, we carefully study the influence of the most general dimension-six effective operators involving right-handed neutrinos on ...
Quan-Yi Hu
doaj   +1 more source

An imperative study of the angular observables in Λ b → Λ c + → Λ π + ℓ − ν ¯ ℓ $$ {\Lambda}_b\to {\Lambda}_c^{+}\left(\to \Lambda {\pi}^{+}\right){\ell}^{-}{\overline{\nu}}_{\ell } $$ decay and probing the footprint of new physics

Journal of High Energy Physics
We study the four-fold angular distribution of the semileptonic Λ b → Λ c + → Λ π + ℓ − ν ¯ ℓ $$ {\Lambda}_b\to {\Lambda}_c^{+}\left(\to \Lambda {\pi}^{+}\right){\ell}^{-}{\overline{\nu}}_{\ell } $$ decay and find out analytical expressions for various ...
Soumitra Nandi, Shantanu Sahoo, Ria Sain
doaj   +1 more source

D → Pℓ + ℓ − decays assisted by QCD light-cone sum rules

Journal of High Energy Physics
We suggest a new method to analyse the rare D (s) → Pℓ + ℓ − decays (P = π, K), combining QCD light-cone sum rules (LCSR) with hadronic dispersion relations.
Anshika Bansal, Alexander Khodjamirian, Thomas Mannel   +2 more
doaj   +1 more source

CP violation in decays into states with neutral kaons

Journal of High Energy Physics
CP violation in the kaon system can manifest itself in decays to final states containing neutral kaons. The effect is governed by an efficiency function that reflects the specific experimental setup.
Yuval Grossman, Paolo Leo, Alberto Martini, Guglielmo Papiri, Armine Rostomyan   +4 more
doaj   +1 more source

$\Omega_b$ semi-leptonic weak decays

, 2011
$\Omega_b \rightarrow \Omega_c^{(*)}$ semi-leptonic decays are studied in details. Relevant helicity amplitudes are written down. Both unpolarized and polarized $\Omega_b$ cases are considered. Decay angular distributions, asymmetry parameters and semileptonic decay rates are calculated, with numerical results using leading order results of the large ...
Du, Ming-Kai, Liu, Chun
openaire   +1 more source