English
Related papers

Related papers: New Physics Search in B Meson Decays

200 papers

Direct CP violation in B -> J/Psi K is a clean test for new physics. However, the direct CP asymmetry will vanish if the new-physics amplitude has the same strong phase as the standard-model amplitude. We show that this type of new physics…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. London , N. Sinha , R. Sinha

Although recent experimental results in b-->s penguin process seem to be roughly consistent with the standard model predictions, there may be still large possibilities of new physics hiding in this processes. Therefore, here we investigate…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. S. Kim , Y. J. Kwon , Jake Lee , T. Yoshikawa

We have just entered a new round in the testing of the flavour sector of the Standard Model through high-precision measurements of B-meson decays. A particularly exciting aspect is the exploration of the B_s-meson system at LHCb. We focus…

High Energy Physics - Phenomenology · Physics 2015-03-17 Robert Fleischer

Over the last two decades, $B \to \pi K$ modes have received a lot of attention. They are particularly interesting since the main contribution to these decays comes from QCD penguin topologies. Furthermore, electroweak penguin amplitudes…

High Energy Physics - Phenomenology · Physics 2018-12-07 Robert Fleischer , Ruben Jaarsma , Eleftheria Malami , K. Keri Vos

B physics represents a privileged place to look for supersymmetry (SUSY) through its virtual effects. Here we discuss rare B decays ($b \to s \gamma$, $b \to s g$, $b \to s l^{+} l^{-}$) and $B-\bar{B}$ oscillations in the context of…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. Masiero , L. Silvestrini

The existence of New Physics particles can be probed by performing precision measurements of physics phenomena at the few GeV energy scale. The decays of B and D mesons are an excellent example of relatively low energy phenomena that can be…

High Energy Physics - Experiment · Physics 2019-08-14 A. Gaz

In contrast with $B^0-\bar B^0$, $B_s-\bar B_s$ mixing where the standard model (SM) contributions overwhelm that of new physics beyond standard model (BSM), a measured relatively large $D^0-\bar D^0$ mixing where the SM contribution is…

High Energy Physics - Phenomenology · Physics 2015-06-18 Lian-Bao Jia , Ming-Gang Zhao , Hong-Wei Ke , Xue-Qian Li

We analyze the $5\sigma$ difference between the CP asymmetries of the $B^0 \to K^+ \pi^-$ and $B^+ \to K^+ \pi^0$ decays within the Soft Collinear Effective Theory. We find that in the Standard Model, such a big difference cannot be…

High Energy Physics - Phenomenology · Physics 2010-05-25 K. Huitu , S. Khalil

This paper is concerned with the physics of meson decays to J/psi and phi.These decays have been observed at the Tevatron [7] and, in particular, should be copiously observed at the LHCb detector. This paper gives a concise presentation of…

High Energy Physics - Phenomenology · Physics 2007-09-18 W. N. Cottingham

We summarize both the study of CP violation with $K$ and $B$ mesons, as well as rare decays of kaons, emphasizing recent developments. The topics discussed include the unitarity triangle, $\epsilon'/\epsilon$, $K\to\pi\nu\bar\nu$ and other…

High Energy Physics - Phenomenology · Physics 2007-05-23 Gerhard Buchalla

In this talk we discuss rare B decays (b -> s gamma, b -> s g, b -> s l^+ l^-), B-\bar{B} oscillations and CP violation in B physics in the context of low-energy SUSY. We outline the variety of predictions that arise according to the choice…

High Energy Physics - Phenomenology · Physics 2016-11-03 A. Masiero , L. Silvestrini

We present recent results from the \babar Collaboration on radiative decays. These include searches for new physics via measurements of several observables such as the time-dependent $CP$ asymmetry in $B^0 \to K^0_S \pi^- \pi^+ \gamma$…

High Energy Physics - Experiment · Physics 2015-06-23 Simon Akar

I provide a comprehensive review of indirect searches for New Physics with charmed mesons. I discuss current theoretical and experimental challenges and successes in understanding decays and mixings of those mesons. I argue that in many New…

High Energy Physics - Phenomenology · Physics 2010-03-05 Alexey A Petrov

Opportunities for searches for phenomena beyond the Standard Model (BSM) using heavy-ions beams at high energies are outlined. Different BSM searches proposed in the last years in collisions of heavy ions, mostly at the Large Hadron…

Many topics are discussed in b physics including lifetimes, decay mechanisms, determinations of the CKM matrix elements |V_{cb}| and |V_{ub}|, facilities for b quark studies, neutral $B$ meson mixing, rare b decays, hadronic decays and CP…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sheldon Stone

With the running B, kaon and neutrino physics experiments, flavour physics takes centre stage within today's particle physics. We discuss the opportunities offered by these experiments in our search for new physics beyond the SM and discuss…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tobias Hurth

We discuss theoretical and experimental preparations for an indirect new physics search using the rare decay B to K*0 (to K pi) l+ l- focusing on CP violating observables. The separation of new physics effects and hadronic uncertainties is…

High Energy Physics - Phenomenology · Physics 2014-11-20 U. Egede , T. Hurth , J. Matias , M. Ramon , W. Reece

We present allowed regions in the space of observables of certain non-leptonic B-meson decays that characterize these modes within the Standard Model. A future measurement of observables lying significantly outside of these regions would…

High Energy Physics - Phenomenology · Physics 2009-10-31 Robert Fleischer , Joaquim Matias

Rare radiative, leptonic and semileptonic B meson decays are valuable probes of physics beyond the Standard Model. This talk reviews the sensitivity to new physics of observables related to two rare B decays to be measured in the near…

High Energy Physics - Phenomenology · Physics 2015-03-19 David M. Straub