Results 51 to 60 of about 1,763,375 (163)

A precision relation between Γ(K → μ + μ − )(t) and B K L → μ + μ − / B K L → γγ $$ \mathcal{B}\left({K}_L\to {\mu}^{+}{\mu}^{-}\right)/\mathcal{B}\left({K}_L\to \gamma \gamma \right) $$

Journal of High Energy Physics, 2023
We find that the phase appearing in the unitarity relation between B K L → μ + μ − $$ \mathcal{B}\left({K}_L\to {\mu}^{+}{\mu}^{-}\right) $$ and B K L → γγ $$ \mathcal{B}\left({K}_L\to \gamma \gamma \right) $$ is equal to the phase shift in the ...
Avital Dery, Mitrajyoti Ghosh, Yuval Grossman, Teppei Kitahara, Stefan Schacht   +4 more
doaj   +1 more source

Rare Charm decays at LHCb

, 2018
Rare decays are particularly sensitive to contributions from beyond the Standard Model. Here the focus is on rare charm decays where thelatest results from the LHCb collaboration on branching fractions and on \(CP\) and angular asymmetries are ...
Marino, Pietro, Pietro Marino
core   +1 more source

Non-leptonic B-decays in and beyond QCD factorisation [PDF]

, 2005
This thesis examines the non-leptonic B-decays within QCD factorization and beyond, to challenge the assumptions and limitations of the method. We analyse the treatment of the distribution amplitudes of light mesons and present a new model described by ...
Talbot, Angelique N., Talbot, Angelique N   +1 more
core  

Rare decays in CMS & ATLAS

, 2019
Rare decays in CMS ...
Cerri, Alex, Cerri, Alex (6339113)
core   +1 more source

The simplest B decay, precisely

Journal of High Energy Physics
We derive the QCD×QED factorization theorem governing the leptonic decay B − → μ − ν ¯ μ γ $$ {B}^{-}\to {\mu}^{-}{\overline{\nu}}_{\mu}\left(\gamma \right) $$ at all orders in α s and α.
Claudia Cornella, Max Ferré, Matthias König, Matthias Neubert   +3 more
doaj   +1 more source

Nonleptonic B-meson decays to next-to-next-to-leading order

Journal of High Energy Physics
We compute next-to-next-to-leading order QCD corrections to the partonic processes b → c u ¯ d $$ c\overline{u}d $$ and b → c c ¯ s $$ c\overline{c}s $$ , which constitute the dominant decay channels in standard model predictions for B-meson lifetimes ...
Manuel Egner, Matteo Fael, Kay Schönwald, Matthias Steinhauser   +3 more
doaj   +1 more source

Rare heavy-flavour decays

, 2021
The search and study of rare decays of B hadrons and of the $\tau$ lepton are among the most promising approaches of putting the Standard Model of particle physics to the test.
Boletti, Alessio, Alessio Boletti
core   +1 more source

Probing quantum decoherence at Belle II and LHCb

Journal of High Energy Physics
With the advent of Belle II and the LHCb upgrade, the precision measurements of various B-Physics observables are on cards. This holds significant potential for delving into physics beyond the standard model of electroweak interactions.
Ashutosh Kumar Alok, Subhashish Banerjee, Neetu Raj Singh Chundawat, S.Uma Sankar   +3 more
doaj   +1 more source

Theory of rare K decays

, 2018
I review rare kaon decays. I introduce the flavor problem and possible solutions. Very rare kaon decays like K → πvv¯ are very important to this purpose: we study also K → πl+l-, K → ππee where chiral dynamics is important to disentangle short distance ...
D’Ambrosio Giancarlo, Giancarlo D’Ambrosio, Giancarlo D'Ambrosio   +2 more
core   +1 more source

Higher twist corrections to doubly-charmed baryonic B decays

Journal of High Energy Physics
Baryonic two-body B mesons decays have been measured experimentally for some time, which provides an excellent ground for studying the QCD of baryonic B decays.
Zhou Rui, Zhi-Tian Zou, Ying Li
doaj   +1 more source