Zobrazeno 1 - 10
of 52
pro vyhledávání: '"A. Genon"'
Autor:
Algueró, Marcel, Biswas, Aritra, Capdevila, Bernat, Descotes-Genon, Sébastien, Matias, Joaquim, Novoa-Brunet, Martín
We discuss the impact of the recent LHCb update on the two lepton-flavour universality ratios $R_K$ and $R_{K^*}$, and the CMS update of $B({B_s \to \mu^+\mu^-})$ regarding the possibility of New Physics in $b\to s\ell^+\ell^-$ decays. We perform glo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30229c8fa1871fb94fb0b729828205cf
http://arxiv.org/abs/2304.07330
http://arxiv.org/abs/2304.07330
In this letter, we use LHC data from the Drell-Yan processes $pp\to\ell_i\ell_j$ (with $i\neq j$) to derive model-independent upper limits on lepton-flavor-violating meson decays. Our analysis is based on an Effective Field Theory (EFT) approach and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93065b686a4cd46e0161929c5e13f8db
Decays based on the $b\to sγ$ 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 $\mathcal{C}_7$ and $\mathcal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85e3a83bddf75a01c83e8734bb0e8462
We consider the time-dependent analysis of rare $B_d$ and $B_s$ decays mediated by $b\to s ν\bar ν$ transitions. The inclusion of time evolution allows us to construct novel observables with specific sensitivity to CP-odd phases in these processes.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2983d8a03696d53df41b4aea4bdcae8
Publikováno v:
55th Rencontres de Moriond on QCD and High Energy Interactions
55th Rencontres de Moriond on QCD and High Energy Interactions, Mar 2021, Online, Italy
INSPIRE-HEP
55th Rencontres de Moriond on QCD and High Energy Interactions, Mar 2021, Online, Italy
INSPIRE-HEP
We discuss the anatomy of the $L_{VV}$ observable designed as a ratio of the longitudinal components of $B_s \to VV$ versus $B_d \to VV$ decays. We focus on the particular case of $B_{d,s} \to K^{*0} {\bar K^{*0}}$ where we find for the SM prediction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f65fb6281b5d49ec7c9c1139862dba9
https://hal.archives-ouvertes.fr/hal-03260077
https://hal.archives-ouvertes.fr/hal-03260077
We propose a novel method to probe the persistent hints of Lepton Flavour Universality violation observed in semileptonic $B$ decays. Relying on the specific properties of the Belle II experiment, it consists in comparing the inclusive rates of $�
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00e32c26f75fd353eef55465a27c2ea1
Autor:
Algueró, Marcel, Capdevila, Bernat, Descotes-Genon, Sébastien, Matias, Joaquim, Novoa-Brunet, Martín
We present an up-to-date complete model-independent global fit to $b\to s\ell^+\ell^-$ observables that confirms patterns of New Physics able to explain the data. We include the recent LHCb measurements of $R_K$, $R_{K_S}$, $R_{K^{*+}}$, $B_s \to \ph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43a96b80e665b6f4d6d8c7c255fb5f17
We investigate the consequences of deviations from the Standard Model observed in $b\to s����$ transitions for flavour-changing neutral-current processes involving down-type quarks and neutrinos, under generic assumptions concerning the struc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e75adb46ab7b6d8f79e9bafb061d2c42
Autor:
Luiz Vale Silva, Sébastien Descotes-Genon, Michele Papucci, Karim Trabelsi, Zoltan Ligeti, Jérôme Charles, S. Monteil
Publikováno v:
Physical Review D
Physical Review D, American Physical Society, 2020, 102 (5), pp.056023. ⟨10.1103/PhysRevD.102.056023⟩
Physical Review D, vol 102, iss 5
Physical Review
Digital.CSIC. Repositorio Institucional del CSIC
instname
Phys.Rev.D
Phys.Rev.D, 2020, 102 (5), pp.056023. ⟨10.1103/PhysRevD.102.056023⟩
Physical Review D, American Physical Society, 2020, 102 (5), pp.056023. ⟨10.1103/PhysRevD.102.056023⟩
Physical Review D, vol 102, iss 5
Physical Review
Digital.CSIC. Repositorio Institucional del CSIC
instname
Phys.Rev.D
Phys.Rev.D, 2020, 102 (5), pp.056023. ⟨10.1103/PhysRevD.102.056023⟩
The mixing of neutral mesons is sensitive to some of the highest scales probed in laboratory experiments. In light of the planned LHCb Upgrade II, a possible upgrade of Belle II, and the broad interest in flavor physics in the tera-Z phase of the pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1434c490ec66625aedfcfa7d8e0656cc
https://hal.archives-ouvertes.fr/hal-02886955
https://hal.archives-ouvertes.fr/hal-02886955
Autor:
Amhis, Yasmine, Descotes-Genon, S��bastien, Benito, Carla Marin, Novoa-Brunet, Mart��n, Schune, Marie-H��l��ne
We present the prospects of an angular analysis of the $��_b \to ��(1520)\ell^+\ell^-$ decay. Using the expected yield in the current dataset collected at the LHCb experiment, as well as the foreseen ones after the LHCb upgrades, sensitivity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::352180e6fdcada78ddb10fe9915b6e90