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Related papers: New physics in $B$ meson mixing: future sensitivit…

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We review and update the effects of physics beyond the standard model on CP asymmetries in B decays. These asymmetries can be significantly altered if there are important new-physics contributions to \bqbqbar mixing. This same new physics…

High Energy Physics - Phenomenology · Physics 2014-11-17 M. Gronau , D. London

We study a new class of flavor changing interactions, which can arise in models based on extended gauge groups (rank $>$4) when new charged fermions are present together with a new neutral gauge boson. We discuss the cases in which the…

High Energy Physics - Phenomenology · Physics 2009-10-22 E. Nardi

We review standard and non-standard neutrino physics probes that are based on nuclear measurements. We pay special attention on the discussion of prospects to extract new physics at prominent rare event measurements looking for…

High Energy Physics - Phenomenology · Physics 2019-11-28 D. K. Papoulias , T. S. Kosmas , Y. Kuno

We shortly review and emphasize how l_j -> l_i gamma experiments and the searches for lepton e.d.m. are constraining New Physics model building. They are pure signals of new phenomena around the TeV scale since the SM contributions are…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. Masina , C. A. Savoy

Recently, several indications of lepton non-universality observables have been perceived in semileptonic $B$ meson decay processes, both in the neutral-current ($b \to s ll $) and charged-current ($b \to c l \bar \nu_l$) transitions.…

High Energy Physics - Phenomenology · Physics 2025-07-16 Aishwarya Bhatta , Rukmani Mohanta

Run 2 of the LHC offers some beautiful prospects for new physics, including flavour physics as well as more detailed studies of the Higgs boson and searches for new physics beyond the Standard Model (BSM). One of the possibilities for BSM…

High Energy Physics - Phenomenology · Physics 2014-12-09 John Ellis

Semileptonic decays provide an excellent environment for testing the Standard Model (SM). Violation of lepton universality would be a smoking gun for physics beyond the SM. Using semi-tauonic $B$ decays, LHCb finds a value of…

High Energy Physics - Experiment · Physics 2016-11-28 Suzanne Klaver

The direct searches for Beyond Standard Model (BSM) particles have been constraining their mass scale to the extent where it is now becoming consensual that such particles are likely to be above the energy reach of the LHC. Meanwhile, the…

High Energy Physics - Experiment · Physics 2022-09-21 A. Hicheur

The measurements carried out at LEP and SLC projected us into the precision era of electroweak physics. This has also been relevant in the theoretical interpretation of LHCb and Belle measurements of rare $B$ semileptonic decays, paving the…

High Energy Physics - Phenomenology · Physics 2021-02-05 Lina Alasfar , Aleksandr Azatov , Jorge de Blas , Ayan Paul , Mauro Valli

The importance of incorporating flavor constraints, when providing bounds on new physics is stressed. As is well known it is very difficult for models of new physics to have scales lighter than about 10 TeV once flavor constraints are built…

High Energy Physics - Phenomenology · Physics 2015-12-01 Amarjit Soni

Heavy flavor physics is an important element in understanding the nature of physics. The accurate knowledge of properties of heavy flavor physics plays an essential role for the determination of the Cabibbo-Kobayashi-Maskawa (CKM) matrix.…

High Energy Physics - Experiment · Physics 2015-05-13 Kihyeon Cho , Hyunwoo Kim

Since the top quark FCNC processes are extremely supressed in the Standard Model (SM) but could be greatly enhanced in some new physics models, they could serve as a smoking gun for new physics hunting at the LHC. In this brief review we…

High Energy Physics - Phenomenology · Physics 2010-10-27 Jin Min Yang

The neutral $B$ mesons, $B^0$ and $B_s$, can oscillate between their particle and antiparticle states owing to flavor-changing weak interactions. In recent years, techniques to detect these oscillations as a function of the meson's decay…

High Energy Physics - Experiment · Physics 2014-11-17 Colin Gay

The phenomenon of $B^0_q-\bar B^0_q$ mixing ($q=d,s$) provides a sensitive probe for physics beyond the Standard Model. We explore the corresponding space for New Physics left through the current data, having a careful look at analyses of…

High Energy Physics - Phenomenology · Physics 2023-03-16 Kristof De Bruyn , Robert Fleischer , Eleftheria Malami , Philine van Vliet

We present a tool to compute the sensitivity of the Future Circular Electron--Positron Collider (FCC-ee) to the interactions of new, heavy particles via publicly available extensions to the smelli and flavio computer programs. We…

High Energy Physics - Phenomenology · Physics 2025-09-18 Ben Allanach , Eetu Loisa

We present an overview of recent work on flavour physics in the presence of a sequential fourth generation. We will discuss shortly the constraints on the new parameters and in the reminder present predictions for observables like Br(B_s ->…

High Energy Physics - Phenomenology · Physics 2010-12-07 Tillmann Heidsieck

A short summary is given of the current status of B physics. Reasons for physics beyond the Standard Model are discussed. Constraints on New Physics are given using measurements of B mixing, Bs mixing, and CP violation, along with |Vub.…

High Energy Physics - Phenomenology · Physics 2009-11-11 Sheldon Stone

$B$ decays proceeding via $b\to c\ell\nu$ transitions with $\ell=e$ or $\mu$ are tree-level processes in the Standard Model. They are used to measure the CKM element $V_{cb}$, as such forming an important ingredient in the determination of…

High Energy Physics - Phenomenology · Physics 2019-01-30 Martin Jung , David M. Straub

We interpret the recent hints for lepton flavor universality violation in rare $B$ meson decays. Based on a model-independent effective Hamiltonian approach, we determine regions of new physics parameter space that give a good description…

High Energy Physics - Phenomenology · Physics 2018-05-04 Wolfgang Altmannshofer , Peter Stangl , David M. Straub

The measurement of lepton universality parameters $R_{K^{(*)}}$ was updated by LHCb in December 2022, which indicated that the well-known anomalies in flavor-changing neutral current (FCNC) processes of B meson decays have faded away.…

High Energy Physics - Phenomenology · Physics 2023-10-31 Qiaoyi Wen , Fanrong Xu
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