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Related papers: CP Violation in $t \bar{t}$ Production at $e^+ e^-…

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It is well known that $CP$-violating coupling of the Yukawa interaction of top-quark is a promising candidate of a new source of $CP$ violation effect. Precisely measurement of its $CP$ properties is crucial for understanding new physics…

High Energy Physics - Phenomenology · Physics 2019-09-17 Kai Ma

In order to observe a signal of possible CP violation in top-quark couplings, we study top-quark production and decay under the conditions of the Tevatron upgrade. Transverse energy asymmetries sensitive to CP violation are defined.…

High Energy Physics - Phenomenology · Physics 2014-11-17 B. Grzadkowski , B. Lampe , K. J. Abraham

We discuss the sensitivity of the CP violating measurements at the upcoming B factories to the presence of physics beyond the Standard Model. We review the three manifestations of CP violation possible in the B meson system. We give…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mihir P. Worah

We review the present status of CP violation in the standard model. Subsequently we make an excursion in the future in order to see what we could expect in this field in this and the next decade. We present various strategies for the…

High Energy Physics - Phenomenology · Physics 2009-09-25 A. J. Buras

The last three years have seen a phase transition in our knowledge about CP violation: (i) Direct CP violation has been established in $K_L \to \pi \pi$. (ii) The first CP violation outside $K_L$ decays has been observed in $B_d \to \psi…

High Energy Physics - Phenomenology · Physics 2017-08-23 I. I. Bigi

In the CP violating supersymmetric extension of the standard model with local gauged baryon and lepton symmetries(BLMSSM), there are new CP violating sources which can give new contributions to the quark electric dipole moment (EDM).…

High Energy Physics - Phenomenology · Physics 2017-03-08 Shu-Min Zhao , Tai-Fu Feng , Zhong-Jun Yang , Hai-Bin Zhang , Xing-Xing Dong , Tao-Guo

In this talk I begin with some general discussion of the history of CP violation, then move on to aspects of a spontaneous CP violation model including the production of new particles at LHC, implications for B decay, generalized Cabibbo…

High Energy Physics - Phenomenology · Physics 2009-10-31 Paul H. Frampton

Possible $CP$-violation in top-quark couplings is discussed. It is shown that the lepton-energy distributions in $e^+ e^- \to t\bar{t} \to \ell^+\ell^-X / \ell^\pm X$ at next linear colliders (NLC) could give us useful information for this…

High Energy Physics - Phenomenology · Physics 2016-09-06 B. Grzadkowski , Z. Hioki

In this study, we explore the effects of $\mathcal CP$-violating anomalous interactions of the top-quark through the semileptonic decay modes of the top-quark arising due to pair-production of $t\bar{t}$ at the Large Hardon Collider.…

High Energy Physics - Phenomenology · Physics 2022-11-10 Apurba Tiwari , Sudhir Kumar Gupta

We review the information on the CKM matrix elements, unitarity triangle and CP-violating phases $\alpha, \beta$ and $\gamma$ in the standard model which will be measured in the forthcoming experiments at B factories, HERA-B and hadron…

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

We study the potential observation at the LHC of CP-violating effects in stop production and subsequent cascade decays, g g -> tilde{t}_i tilde{t}_i, tilde{t}_i -> t tilde{chi}^0_j, tilde{chi}^0_j -> tilde{\chi}^0_1 l^+ l^-, within the…

High Energy Physics - Phenomenology · Physics 2009-04-24 J. Ellis , F. Moortgat , G. Moortgat-Pick , J. M. Smillie , J. Tattersall

The study of CP violation in $B$-meson decays has already reached a high level of precision, which will be pushed even higher in the future era of Belle-II and the LHCb upgrade. %Important probes of CP violation are the $B_d^0$ and $B_s^0$…

High Energy Physics - Phenomenology · Physics 2018-07-24 K. Keri Vos

We report on a study of CP Violation in D0-D0bar mixing and Electric Dipole Moments in the framework of supersymmetric alignment models. Both classes of observables are strongly suppressed in the Standard Model and highly sensitive to new…

High Energy Physics - Phenomenology · Physics 2011-05-31 Wolfgang Altmannshofer

The recently observed direct CP violation in $B_d \to K^+ \pi^-$ has raised suggestions of possible new physics. A robust test of the standard model vs. new physics is its prediction of equal direct CP violation in $B_s \to K^- \pi^+$…

High Energy Physics - Phenomenology · Physics 2010-04-05 Harry J. Lipkin

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

In perturbative QCD approach, based on the first order of isospin symmetry breaking, we study the direct $CP$ violation in the decay of $\bar{B}_s^0\to\rho(\omega )K^{*0}\to {\pi^+}{\pi^-}K^{*0}$. An interesting mechanism is applied to…

High Energy Physics - Phenomenology · Physics 2021-10-26 Sheng-Tao Li , Gang Lü

We consider the reaction $e^- e^- \rightarrow W^- W^-$ mediated by possible heavy neutrino exchange at future LINAC energies of $\sqrt{s}>> 2 m_W$. This reaction is sensitive to CP phases of the neutrino mixing matrices, even at the level…

High Energy Physics - Phenomenology · Physics 2009-10-28 B. Ananthanarayan , P. Minkowski

We investigate the direct $CP$ violation for the decay process of $\bar{B}_{s}\rightarrow P(V)\pi^{0}$ (P,V refer to the pseudoscalar meson and vector meson, respectively) via isospin symmetry breaking effects from the $\pi^{0}-\eta-\eta'$…

High Energy Physics - Phenomenology · Physics 2019-02-27 Gang Lü , Qin-Qin Zhi

We discuss the prospects - within several models - for the observation of CP-violation (CPV) in top decays and production. The outlook looks best for t -> bW at the LHC (MSSM CPV), t -> b \tau \nu_\tau at TeV3, LHC and NLC (H^+ CPV), p…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Bar-Shalom , G. Eilam

In the near future, we will have the first significant experimental measurements of CP violation in B decays. These measurements will easily test crucial questions such as whether the Standard Model Kobayashi-Maskawa phase plays a dominant…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yosef Nir