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Related papers: Present Status of epsilon'/epsilon

200 papers

A summary is given of the current status of measurements of the strong coupling constant $\alpha_s$ performed at LEP. These include measurements from inclusive observables as well as from event shape variables. Recent results based on power…

High Energy Physics - Experiment · Physics 2007-05-23 G. Dissertori

We study the phenomenological consequences of several $CP$-violating structures that could arise in the Standard Model effective field theory framework. Focusing on operators involving electroweak gauge and/or Higgs bosons, we derive…

High Energy Physics - Phenomenology · Physics 2017-10-16 Felipe Ferreira , Benjamin Fuks , Veronica Sanz , Dipan Sengupta

This talk outlines some recent theoretical developments in Lorentz and CPT violation.

High Energy Physics - Phenomenology · Physics 2007-05-23 Alan Kostelecky

A Dalitz-plot analysis of Bd(t) -> rho pi -> pi+ pi- pi0 decays allows one to obtain the CP-violating phase \alpha. In addition, one can extract the various tree (T) and penguin (P) amplitudes contributing to these decays. By comparing the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Veronique Page , David London

I review some of the salient issues connected to CP-violation and weak decays. In particular, I focus on recent and forthcoming tests of the CKM model and discuss the accuracy one can expect to achieve in B-decays for the parameters of this…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. D. Peccei

This is an experimentalist's view of the recent results on, and prospects for, CP Violation in charmed and bottom baryons

High Energy Physics - Phenomenology · Physics 2022-08-09 John M Yelton

Recent measurements of CP violating asymmetries have led to a significant progress in our understanding of CP violation. The implications of the experimental results for the Kobayashi-Maskawa mechanism and for new physics are explained.

High Energy Physics - Phenomenology · Physics 2010-11-23 Yosef Nir

We present the current status of experimental results and prospects for the determination of CP and T violation in the charm sector. Such measurements have acquired renewed interest in recent years in view of theoretical work, which has…

High Energy Physics - Experiment · Physics 2011-06-15 Giampiero Mancinelli

We analyze the CP violating ratio epsilon'/epsilon and rare K and B decays in the MSSM with minimal flavour and CP violation, including NLO QCD corrections and imposing constraints on the supersymmetric parameters coming from epsilon,…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. J. Buras , P. Gambino , M. Gorbahn , S. Jager , L. Silvestrini

Experimental prospects for observing CP violation in B-meson decays are reviewed. Comparisons are made for various options: experiments at $e^+ e^-$ B-Meson Factories, HERA and the TEVATRON will produce results in near future. They will…

High Energy Physics - Experiment · Physics 2007-05-23 T. Nakada

We review the present status of CP violating problem in supersymmetric extensions of the standard model. We analyze the constraints imposed by the experimental limits of the electron, neutron, and mercury electric dipole moments on the…

High Energy Physics - Phenomenology · Physics 2014-11-17 Shaaban Khalil

We review the main aspects of Flavour Physics and CP Violation in the Standard Model. After presenting a grand view of the field including a Master Formula for weak decays we discuss i) Standard analysis of the unitarity triangle, ii) The…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andrzej J. Buras

We present results for $\varepsilon_K$, the indirect CP violation parameter, calculated in the Standard Model using inputs from lattice QCD: the kaon bag parameter $\hat{B}_K$, and the CKM matrix element $V_{cb}$ from the axial current form…

High Energy Physics - Lattice · Physics 2014-11-13 Jon A. Bailey , Yong-Chull Jang , Weonjong Lee

Searches for experimental manifestations of CP violation have born much fruit in recent years with the discovery of direct CP violation and the first evidence of CP violation outside of the neutral kaon system. Nevertheless we still know…

High Energy Physics - Experiment · Physics 2007-05-23 E. Craig Dukes

The status of precision tests of the Standard Model is reviewed.

High Energy Physics - Phenomenology · Physics 2011-07-19 G. Altarelli

We propose to search for CP-violating effects in the decay psi(2S)->J/psi+pi+pi. The scheme has the advantage that one does not need to track two or more CP-conjugate processes. Model independent amplitudes are derived for this purpose. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jie-Jie Zhu , Mu-Lin Yan

The phenomenon of CP violation and strategies for extracting the angles of the unitarity triangle are reviewed. Special emphasis is given to the B-meson system, as it plays an outstanding role to test the Standard Model description of CP…

High Energy Physics - Phenomenology · Physics 2007-05-23 Robert Fleischer

An introductory overview of the Standard Model description of flavour is presented. The main emphasis is put on present tests of the quark-mixing matrix structure and the phenomenological determination of its parameters. Special attention…

High Energy Physics - Phenomenology · Physics 2011-12-20 Antonio Pich

We have compared the decay rates of K_L and K_S to \pi^+ \pi^- and \pi^0 \pi^0 final states using a subset of the data from the KTeV experiment (E832) at Fermilab. We find that the direct-CP-violation parameter Re(\epsilon'/\epsilon) is…

High Energy Physics - Experiment · Physics 2012-08-27 KTeV Collaboration

CP violation in hadronic B-decays is studied in a definite and well motivated framework of flavour physics and supersymmetry. Possible deviations from the standard model both in mixing and in decay amplitudes are discussed. An attempt is…

High Energy Physics - Phenomenology · Physics 2009-10-09 Riccardo Barbieri , Alessandro Strumia