English
Related papers

Related papers: CP Violation and B Physics at the LHC

200 papers

The discovery of CP violation in charm sector in 2019 was a milestone in searches performed over last decades. The $\Delta A_{CP}$ measured by LHCb is at the upper end of the Standard Model predictions. This triggers many interpretations…

High Energy Physics - Experiment · Physics 2024-04-01 Jolanta Brodzicka

Precision measurements of time-integrated CP violation in beauty decays permit a better understanding of the different mechanisms underlying CP violation. They allow to better constrain the Standard Model and probe for new physics. A…

High Energy Physics - Experiment · Physics 2019-05-30 Emilie Bertholet

LHCb has started its charm physics programme using the data taken at the LHC. The first measurements of open charm production cross-sections for proton proton collisions at $\sqrt{s}=7 \tev$ are presented. The cross-sections of the \PDzero,…

High Energy Physics - Experiment · Physics 2010-12-17 Marco Gersabeck

In absence of direct signs of new physics at the LHC, flavour physics provides an ideal laboratory to look for deviations from the Standard Model and explore an energy regime beyond the LHC reach. Here, new results in CP violation and rare…

High Energy Physics - Experiment · Physics 2014-11-25 Patrick Koppenburg

These lecture notes provide an introduction to the theoretical concepts of flavour physics and CP violation, based on a series of lectures given at the ESHEP 2016 summer school. In the first lecture we review the basics of flavour and CP…

High Energy Physics - Phenomenology · Physics 2017-04-20 Monika Blanke

This paper emphasizes four topics that represent some of the year's highlights in heavy quark physics. First of all, a review is given of charm lifetime measurements and how they lead to better understanding of the mechanisms of charm…

High Energy Physics - Experiment · Physics 2010-11-23 Guy Blaylock

These lectures review the progress made in our present understanding of $B$ decays. The emphasis here is on applications of QCD to $B$ decays and the attendant perturbative and non-perturbative uncertainties, which limit present theoretical…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Ali

We present a summary of recent studies on $CP$ violation with the Belle experiment using the final data sample of $772 \times 10^{6}$ B\bar{B} pairs produced at the Ypsilon(4S) resonance at the KEK asymmetric e^+ e^- collider. We discuss…

High Energy Physics - Experiment · Physics 2015-09-23 P. Vanhoefer

We review the status of bottom quark physics at the CDF experiment. The measurements reported are based on about 110 pb-1 of data collected at the Fermilab Tevatron pp= Collider operating at sqrt{s} = 1.8 TeV. In particular, we review…

High Energy Physics - Experiment · Physics 2008-11-26 Manfred Paulini

We review the subject of CP violation in the $B$ meson system within the Standard Model of CP violation, which is based on a complex phase in the Cabibbo-Kobayashi-Maskawa (CKM) matrix. Three kinds of CP nonconservation are studied: In…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael Gronau

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

The observation of CP violation in meson decays is a testament to the Cabibbo-Kobayashi-Maskawa (CKM) quark mixing paradigm, and an integral part of the Standard Model (SM). The SM also predicts the existence of CP violation in baryon…

High Energy Physics - Phenomenology · Physics 2023-03-07 Shibasis Roy , N. G. Deshpande , Anirban Kundu , Rahul Sinha

We present an updated measurement of time-dependent CP-violating asymmetries in neutral B decays with the BABAR detector at the PEP-II asymmetric B Factory at SLAC. This result uses an additional sample of Upsilon(4S) decays collected in…

High Energy Physics - Experiment · Physics 2010-05-28 B. Aubert , BABAR Collaboration

In this talk, I review the various measurements that have been made over the years of CP-violating observables in $B$ decays. These include indirect CP asymmetries, direct CP asymmetries, and triple products. All are discussed in the…

High Energy Physics - Phenomenology · Physics 2020-07-14 David London

We discuss some possible signals of CPT violation in the $B_s$ system that may be probed at the Large Hadron Collider (LHC). We show how one can construct combinations ofobservables coming from tagged and untagged decay rates of $B_s\to…

High Energy Physics - Phenomenology · Physics 2013-05-30 Anirban Kundu , Soumitra Nandi , Sunando Kumar Patra , Amarjit Soni

Four topics in theory of CP violation are reviewed. (a) CP violation in $B$ decays: We describe a new clean way of constraining the angle $\gamma$ of the unitarity triangle and how new CP violation in decay amplitudes can signal new…

High Energy Physics - Phenomenology · Physics 2009-09-25 Yosef Nir

LHCb has recorded large samples of semileptonic {\textit B} decays. These provide the possibility to study {\textit CP} violation effects in the $B^{0}_s$ and $B^{0}$ systems. Decay-time-integrated or decay-time-dependent asymmetries…

High Energy Physics - Experiment · Physics 2014-11-25 Lucia Grillo

It is shown that in the approximation of $|\frac{q}{p}|$=1 the CP violation in $B^0_{d,s} \to l^+ l^-$ decays vanishes in SM. In a 2HDM with CP violating phases and MSSM the CP asymmetries depend on the parameters of models and can be as…

High Energy Physics - Phenomenology · Physics 2009-10-31 Chao-Shang Huang , Liao Wei

We report on recent B-Physics results from the Tevatron. The topics covered include measurement of the polarization amplitudes in $B_s^0 \to \phi \phi$, the search for rare flavor-changing neutral-current decays, CP violation in $B_s^0 \to…

High Energy Physics - Experiment · Physics 2015-05-20 John Ellison

We describe CP violating observables in resonant $W^\pm$ and $W^\pm$ plus one jet production at the Tevatron. We present simple examples of CP violating effective operators, consistent with the symmetries of the Standard Model, which would…

High Energy Physics - Phenomenology · Physics 2010-11-01 S. Dawson , G. Valencia