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相关论文: Probing CP violation systematically in differentia…

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CP violation in B decays provides a powerful tool to probe physics from beyond the Standard Model. A theoretical overview of recent developments of benchmark channels is given, ranging from non-leptonic to rare leptonic and semileptonic…

高能物理 - 唯象学 · 物理学 2024-02-02 Robert Fleischer

CP violation is an excellent tool for probing flavor dynamics as we learnt first with $K_L \to 2 \pi$ and later also with the weak decays of beauty mesons. LHCb 2019 data have shown CP violation for the first time in $D^0\to K^-K^+$ vs.…

高能物理 - 唯象学 · 物理学 2019-12-11 Xiao-Dong Shi , Xian-Wei Kang , Ikaros Bigi , Wei-Ping Wang , Hai-Ping Peng

Motivated by recent LHCb measurements of CP violation in $\Lambda_b$ three-body decays, we conduct an analysis of CP asymmetry in three-body decays of bottom baryons utilizing U-spin symmetry. We first develop a convenient representation…

高能物理 - 唯象学 · 物理学 2024-11-28 Wei Wang , Zhi-Peng Xing , Zhen-Xing Zhao

We analyze the extraction of weak phases from CP violation in $B\to\pi^+\pi^-$ decays. By combining the information on mixing induced CP violation in $B\to\pi^+\pi^-$, namely $S_{\pi\pi}$, with the precision observable $\sin 2\beta$…

高能物理 - 唯象学 · 物理学 2010-11-23 A. Salim Safir

It is well known that observing CP violation in many-body decays could provide strong evidence for physics beyond the Standard Model. Many searches have been carried out; however, no 5sigma evidence for CP violation has yet been found in…

高能物理 - 实验 · 物理学 2011-10-25 Mike Williams

The observation of a sizable CP asymmetry in the inclusive decays B -> Xs gamma would be a clean signal of New Physics. In the Standard Model, this asymmetry is below 1 % in magnitude. In extensions of the Standard Model with new…

高能物理 - 唯象学 · 物理学 2009-10-31 Matthias Neubert

We study possible effects of new physics in CP asymmetries in two-body $B_s$ decays in left-right models with spontaneous CP violation. Considering the contributions of new CP phases to the $B_s$ mixing as well as to the penguin dominated…

高能物理 - 唯象学 · 物理学 2011-03-23 G. Barenboim , J. Bernabeu , J. Matias , M. Raidal

Entangled pseudoscalar neutral meson pairs have been used in studying CP violation and searching CPT violation, but almost all the previous works concern $C=-1$ entangled state. Here we consider $C=+1$ entangled state of pseudoscalar…

高能物理 - 唯象学 · 物理学 2015-06-16 Zhijie Huang , Yu Shi

The observation of CP violation effects is becoming more and more significant in a variety of channels, due to the impressive experimental effort of the last years. We review recent progress in Bs semileptonic decays and in Bs decays into…

高能物理 - 唯象学 · 物理学 2012-05-15 Giulia Ricciardi

Cosmological implications of asymmetry between particles and antiparticles are reviewed. Three possible mechanisms of CP-violation in cosmology are described. General features of kinetics of generation of cosmological charge asymmetry are…

高能物理 - 唯象学 · 物理学 2007-05-23 A. D. Dolgov

We argue that the observation of a sizable direct CP asymmetry A_{CP} in the inclusive decays B -> X_s gamma would be a clean signal of New Physics. In the Standard Model, A_{CP} can be calculated reliably and is found to be below 1% in…

高能物理 - 唯象学 · 物理学 2016-08-25 A. L. Kagan , M. Neubert

CP violation in the K system is pedagogically reviewed. We discuss its manifestations in the neutral K meson systems, in rare K meson decays and in decays of charged K mesons. Results from classical experiments, and perspectives for…

高能物理 - 实验 · 物理学 2015-06-25 Juliet Lee-Franzini , Paolo Franzini

In this talk CP violation in the supersymmetric models, and especially in B-decays is discussed. We review our analysis of the supersymmetric contributions to the mixing CP asymmetries of $B\to \phi K_S$ and $B\to \eta^{\prime} K_S$…

高能物理 - 唯象学 · 物理学 2007-05-23 E. Gabrielli , K. Huitu , S. Khalil

CP violation in the decays $t \to \ell^+\nu b$ and $\bar t \to \ell^-\bar\nu \bar b$ from the production process $e^-e^+ \to \ttbar$ is discussed. Since the asymmetry proposed as a measure of CP violation vanishes even at the one-loop level…

高能物理 - 唯象学 · 物理学 2009-09-01 Bohdan Grzadkowski , Wai-Yee Keung

The CP violating asymmetries in the (b -> d l^+ l^-) decay, when one of the leptons is polarized, is investigated using the most general form of the effective Hamiltonian. The sensitivity of the CP violating asymmetries on the new Wilson…

高能物理 - 唯象学 · 物理学 2014-11-17 T. M. Aliev , V. Bashiry , M. Savci

The CP-violating asymmetries in the exclusive decay B->K^*l^+l^- (l=e,mu,tau) are predicted to be exceedingly small in the standard model (SM), thereby offering an opportunity to assess various new-physics scenarios. We derive quantitative…

高能物理 - 唯象学 · 物理学 2011-03-23 F. Krüger , E. Lunghi

We study resonant CP-violating Einstein--Podolsky--Rosen correlations that may take place in the production and decay of unstable scalar particles at high-energy colliders. We show that as a consequence of unitarity and CPT invariance of…

高能物理 - 唯象学 · 物理学 2011-12-14 Olaf Kittel , Apostolos Pilaftsis

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…

高能物理 - 唯象学 · 物理学 2007-05-23 R. D. Peccei

The possibility of spontaneous breaking of CP symmetry by the expectation values of orbifold moduli is investigated with particular reference to $CP$ violating phases in soft supersymmetry breaking terms. The effect of different mechanisms…

高能物理 - 理论 · 物理学 2014-11-18 D. Bailin , G. V. Kraniotis , A. Love

We study the possibility of measuring nonstandard CP violation effects through Dalitz plot analysis in B^\pm -> D_s^\pm D^0 pi^0 decays. The accuracy in the extraction of CP violating phases is analyzed by performing a Monte Carlo…

高能物理 - 唯象学 · 物理学 2009-11-10 L. Epele , D. Gomez Dumm , R. Mendez-Galain , A. Szynkman