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Related papers: Establishing CP Violation in $b$-Baryon Decays

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We present an overview of a few recent results related to CP-violation from the Tevatron. First, we discuss a measurement of the dimuon charge asymmetry from D{\O}that extracts the CP-violation parameter of $\Bo$ mixing and decay. This is…

High Energy Physics - Experiment · Physics 2008-11-26 E. Ben-Haim

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

The BABAR detector, at the PEP-II asymmetric B Factory at SLAC collected a sample of 32 million BBbar pairs whilst operating at energies near the Upsilon(4S) resonance between October 1999 and May 2001. An study of time-dependent…

High Energy Physics - Experiment · Physics 2010-11-23 James Weatherall

We study the decay $B^-\to DK^{*-}$ using a sample of 379$\times 10^6$ $\Upsilon(4S)\to B\bar{B}$ events collected with the BABAR detector at the PEP-II $B$-factory. We perform a "GLW" analysis where the $D$ meson decays into either a…

High Energy Physics - Experiment · Physics 2010-04-12 The BaBar Collaboration , B. Aubert

Results by the BaBar and Belle experiments of the measurements $\sin 2\alpha$, $\sin 2\beta$ and $\sin (2\beta + \gamma)$ along with the CKM matrix elements $V_{cb}$ and $V_{ub}$ are presented. The BaBar and Belle experiments $b \to…

High Energy Physics - Experiment · Physics 2010-11-23 E. O. Olaiya

Data indicate that $\Delta I=1/2$ transitions account for 4.5-4.7% of both CP conserving and CP violating $K \to 2\pi$ decays, as well as CP conserving radiative $K \to \pi\pi\gamma$ processes. Observed $K \to \pi\pi\gamma/\pi\pi$ branching…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael D. Scadron , George Rupp , Eef van Beveren

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

In this talk I discuss CP violation in hyperon decays in Left-Right symmetric models. I show that the asymmetry in polarization in $\Lambda \to p\pi^-$ can be as large as $6\times 10^{-4}$ in these models, which is an order of magnitude…

High Energy Physics - Phenomenology · Physics 2016-09-01 Xiao-Gang He

The baryon decay modes of B,bar{B}-> N_{1}bar{N}_{2}(f), bar{N}_{1}N_{2}(bar{f}) provide a frame work to test CP-invariance in baryon sector. It is shown that in the rest frame of B, N_{1} and bar{N}_{2} come out with longitudnal…

High Energy Physics - Phenomenology · Physics 2008-11-26 Fayyazuddin

The subject of CP violation in B decays is reviewed in the Standard Model (SM) and beyond the SM. The present explanation of CP violation in terms of phases in the Cabibbo-Kobayashi-Maskawa (CKM) matrix can be tested through a variety of CP…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Gronau

We have searched for direct CP violation in quasi-two-body charmless B decays observed in a sample of about 45 million B mesons collected with the BABAR detector at the PEP-II collider. We measure the following charge asymmetries in decay:…

High Energy Physics - Experiment · Physics 2007-05-23 B. Aubert

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

Several baryons containing a heavy b-quark, the b-baryons, have been discovered. The charmless two-body decays of b-baryons can provide a new platform for CP violating studies in a similar way as charmless two-body decays of B-meson. In…

High Energy Physics - Phenomenology · Physics 2015-09-02 Min He , Xiao-Gang He , Guan-Nan Li

We present a measurement of the branching fraction and time-dependent CP violation parameters in B0 --> a_1^+-(1260) pi^-+ decays. The results are obtained from the final data sample containing 772x10^6 BBbar pairs collected at the…

High Energy Physics - Experiment · Physics 2013-01-29 Belle Collaboration , J. Dalseno , I. Adachi , H. Aihara , D. M. Asner , V. Aulchenko , T. Aushev , A. M. Bakich , A. Bay , K. Belous , B. Bhuyan , A. Bozek , M. Bračko , O. Brovchenko , T. E. Browder , V. Chekelian , A. Chen , P. Chen , B. G. Cheon , K. Chilikin , R. Chistov , I. -S. Cho , K. Cho , Y. Choi , Z. Doležal , Z. Drásal , S. Eidelman , J. E. Fast , V. Gaur , N. Gabyshev , A. Garmash , Y. M. Goh , H. Hayashii , Y. Horii , Y. Hoshi , W. -S. Hou , Y. B. Hsiung , H. J. Hyun , T. Iijima , K. Inami , A. Ishikawa , R. Itoh , M. Iwabuchi , Y. Iwasaki , T. Iwashita , T. Julius , J. H. Kang , C. Kiesling , H. O. Kim , J. B. Kim , Y. J. Kim , K. Kinoshita , B. R. Ko , S. Koblitz , P. Kodyš , S. Korpar , P. Križan , P. Krokovny , B. Kronenbitter , T. Kuhr , T. Kumita , Y. -J. Kwon , S. -H. Lee , J. Li , J. Libby , C. Liu , Z. Q. Liu , R. Louvot , J. MacNaughton , D. Matvienko , S. McOnie , K. Miyabayashi , H. Miyata , Y. Miyazaki , G. B. Mohanty , D. Mohapatra , A. Moll , N. Muramatsu , M. Nakao , Z. Natkaniec , E. Nedelkovska , C. Ng , S. Nishida , K. Nishimura , O. Nitoh , S. Ogawa , T. Ohshima , S. Okuno , P. Pakhlov , G. Pakhlova , C. W. Park , H. K. Park , T. K. Pedlar , R. Pestotnik , M. Petrič , L. E. Piilonen , M. Prim , K. Prothmann , M. Ritter , M. Röhrken , H. Sahoo , Y. Sakai , T. Sanuki , O. Schneider , C. Schwanda , A. J. Schwartz , K. Senyo , O. Seon , M. E. Sevior , M. Shapkin , V. Shebalin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , A. Sibidanov , F. Simon , P. Smerkol , Y. -S. Sohn , E. Solovieva , M. Starič , M. Sumihama , T. Sumiyoshi , G. Tatishvili , Y. Teramoto , K. Trabelsi , M. Uchida , S. Uehara , Y. Unno , S. Uno , P. Urquijo , Y. Usov , P. Vanhoefer , G. Varner , C. H. Wang , P. Wang , M. Watanabe , Y. Watanabe , K. M. Williams , E. Won , B. D. Yabsley , Y. Yamashita , Z. P. Zhang , V. Zhilich , V. Zhulanov , A. Zupanc

Within the standard model we carry out an analysis of $CP$-violating observables in neutral $B$-meson decays at the $\Upsilon (4S)$ resonance. Both time-dependent and time-integrated $CP$ asymmetries are calculated, without special…

High Energy Physics - Phenomenology · Physics 2010-11-01 H. Fritzsch , D. Wu , Z. Xing

We consider various contributions to the nonresonant decay $B^\pm\rightarrow \pi^+\pi^-\pi^\pm$, both of the long-distance and short-distance types with the former providing for most of the branching ratio, predicted to be…

High Energy Physics - Phenomenology · Physics 2010-11-01 Deshpande , Eilam , He , Trampetic

By assuming a dynamical source of CP violation, the tension between sufficient CP violation for successful electroweak baryogenesis and strong constraints from current electric dipole moment measurements could be alleviated. We study how to…

High Energy Physics - Phenomenology · Physics 2018-07-11 Fa Peng Huang , Zhuoni Qian , Mengchao Zhang

In this paper, we investigate the CP asymmetries ${\mathcal A}_{CP}^{pm}$ and ${\mathcal A}_{CP}^{mp}$ in $B_{c}^{\pm}\rightarrow B^{\pm} K^{0}+B^{\pm} {\bar{K}}^0\rightarrow B^{\pm} \pi^{\pm} e^{\mp} \nu_{e}$ and $B_{c}^{\pm}\rightarrow…

High Energy Physics - Phenomenology · Physics 2025-11-19 Xiao-Dong Cheng , Zhen-Lu Weng , Ying-Ying Fan , Ru-Min Wang

We report a measurement of CP asymmetry parameters in the $b \to c\bar{c}d$-transition-induced decays $B^0(\bar{B^0}) \to J/\psi pi^0$. The analysis is based on a 140 fb$^{-1}$ data sample accumulated at the $\Upsilon(4S)$ resonance by the…

High Energy Physics - Experiment · Physics 2009-09-29 K. Abe , the Belle Collaboration

The role of B decays in the study of CP violation is reviewed. We treat the interactions and spectroscopy of the $b$ quark and then introduce CP violation in $B$ meson decays, including time-dependences, decays to CP eigenstates and…

High Energy Physics - Phenomenology · Physics 2017-08-23 Jonathan L. Rosner