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Related papers: CP Violation Studies at Tevatron

200 papers

We report measurements of time dependent decay rates for $B^0(\bar{B}^0) \to D^{(*)\mp}\pi^{\pm}$ decays and extraction of CP violation parameters containing $\phi_3$. Using fully reconstructed $D^{(*)}\pi$ events from a $140 {\rm fb}^{-1}$…

High Energy Physics - Experiment · Physics 2008-11-26 T. R. Sarangi

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 present results of a search for CP violation in B0B0bar mixing with the BABAR detector. We select a sample of B0-->D*-Xl+ nu decays with a partial reconstruction method and use kaon tagging to assess the flavor of the other B meson in…

High Energy Physics - Experiment · Physics 2013-09-11 J. P. Lees , others. The BABAR Collaboration

CP violation in the charm sector is highly sensitive to new physics due to its small predicted value within the standard model. By this work, we investigated the CP violation in the cascade decay process $D^0(t_1) \to \pi^0 K(t_2) \to…

High Energy Physics - Phenomenology · Physics 2025-03-19 Wen-Jie Song , Shi-Qi Wang , Qin Qin , Ya Li

We investigate the phenomenon of CP violation in the weak decay of bottom hadrons (B mesons) through comprehensive theoretical analysis and mathematical derivations. We analyze the fundamental mechanisms of B meson decay, emphasizing the…

General Physics · Physics 2025-03-11 Jingxu Wu , Congyu Li , Chenjia Li , Polyakova Polina , Yan Wang

We search for CP violation in the decay $D^+\rightarrow K^0_S K^+$ using a data sample with an integrated luminosity of 977 fb$^{-1}$ collected with the Belle detector at the KEKB $e^+e^-$ asymmetric-energy collider. No CP violation has…

High Energy Physics - Experiment · Physics 2013-02-25 B. R. Ko , E. Won , I. Adachi , H. Aihara , K. Arinstein , D. M. Asner , T. Aushev , A. M. Bakich , K. Belous , V. Bhardwaj , B. Bhuyan , A. Bondar , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , V. Chekelian , A. Chen , P. Chen , B. G. Cheon , K. Chilikin , R. Chistov , K. Cho , S. -K. Choi , Y. Choi , D. Cinabro , J. Dalseno , Z. Doležal , D. Dutta , S. Eidelman , S. Esen , H. Farhat , J. E. Fast , V. Gaur , N. Gabyshev , S. Ganguly , R. Gillard , Y. M. Goh , B. Golob , K. Hayasaka , H. Hayashii , Y. Hoshi , W. -S. Hou , H. J. Hyun , T. Iijima , A. Ishikawa , Y. Iwasaki , T. Julius , J. H. Kang , E. Kato , C. Kiesling , H. O. Kim , J. B. Kim , K. T. Kim , M. J. Kim , Y. J. Kim , K. Kinoshita , J. Klucar , S. Korpar , R. T. Kouzes , P. Križan , P. Krokovny , T. Kuhr , T. Kumita , A. Kuzmin , Y. -J. Kwon , Y. Li , C. Liu , D. Liventsev , R. Louvot , K. Miyabayashi , H. Miyata , R. Mizuk , G. B. Mohanty , A. Moll , N. Muramatsu , Y. Nagasaka , E. Nakano , M. Nakao , E. Nedelkovska , C. Ng , N. Nellikunnummel , S. Nishida , K. Nishimura , O. Nitoh , S. Ogawa , T. Ohshima , S. Okuno , C. Oswald , P. Pakhlov , G. Pakhlova , H. Park , H. K. Park , T. K. Pedlar , R. Pestotnik , M. Petrič , L. E. Piilonen , K. Prothmann , M. Ritter , M. Röhrken , H. Sahoo , T. Saito , Y. Sakai , S. Sandilya , L. Santelj , T. Sanuki , Y. Sato , O. Schneider , G. Schnell , C. Schwanda , A. J. Schwartz , K. Senyo , O. Seon , M. E. Sevior , M. Shapkin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , A. Sibidanov , F. Simon , P. Smerkol , Y. -S. Sohn , E. Solovieva , M. Starič , T. Sumiyoshi , G. Tatishvili , Y. Teramoto , K. Trabelsi , T. Tsuboyama , M. Uchida , T. Uglov , Y. Unno , S. Uno , C. Van Hulse , P. Vanhoefer , G. Varner , C. H. Wang , M. -Z. Wang , P. Wang , Y. Watanabe , K. M. Williams , Y. Yamashita , C. C. Zhang , V. Zhilich , A. Zupanc

We report a search for CP-violating asymmetry in B0 -> D*+- D-+ decays. The analysis employs two methods of B0 reconstruction: full and partial. In the full reconstruction method all daughter particles of the B0 are required to be detected;…

High Energy Physics - Experiment · Physics 2019-08-14 T. Aushev

We report on a search for CP violation in the decays K^0_{\scriptscriptstyle S} K^\pm$, ${D_s^{\pm} \to K^0_{\scriptscriptstyle S} K^\pm$, and ${D_s^{\pm} \to K^0_{\scriptscriptstyle S} \pi^\pm$ using a data set corresponding to an…

High Energy Physics - Experiment · Physics 2019-08-13 Riccardo Cenci

We measure CP-violating asymmetries of neutral charmed mesons in the modes D0 --> K- K+ and D0 --> pi- pi+ with the highest precision to date by using D0 --> K- pi+ decays to correct detector asymmetries. An analysis of 385.8 fb-1 of data…

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

In view of the discovery potential associated with the future experiments of high-luminosity fixed target facilities, B-meson factories and \tau-charm factories, we highlight some typical signals of D^0-\bar{D}^0 mixing and CP violation…

High Energy Physics - Phenomenology · Physics 2016-09-06 Zhi-zhong Xing

Relative branching fractions of Bd,Bs --> h+ h'- decays (where h,h'= K or pi) and direct CP asymmetry in Bd --> K+ pi- have been measured with 180 pb-1 of data collected by the CDFII detector at the Tevatron collider. This includes the…

High Energy Physics - Experiment · Physics 2019-08-14 Giovanni Punzi

These lectures describe CP violation and rare decays of K and B mesons and consist of ten chapters: i) Grand view of the field including CKM matrix and the unitarity triangle, ii) General aspects of the theoretical framework, iii)…

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

We study direct CP violation in the hadronic decay $B^{\pm} \to \rho^{0}\pi^{\pm}$, including the effect of $\rho - \omega$ mixing. We find that the CP violating asymmetry is strongly dependent on the CKM matrix elements, especially the…

High Energy Physics - Phenomenology · Physics 2010-02-17 X. -H. Guo , O. Leitner , A. W. Thomas

In this proceeding, results of searches for CP violation in charm decays using the full BABAR dataset are discussed. The parameter $A_{CP}$ in the decay $D^\pm\to\KS\pi^\pm$ is determined to be $(-0.39 \pm 0.13 \pm 0.10)%$. Meaurements of…

High Energy Physics - Experiment · Physics 2011-09-09 R. M. White

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 present preliminary measurements of CP-violating asymmetries in B decays. These include new results on the CKM angle alpha based on studies of the decay B -> rho+ rho- and several charmonium and hadronic penguin modes, sensitive to the…

High Energy Physics - Experiment · Physics 2019-08-14 Giampiero Mancinelli

We review basic aspects of the phenomenology of CP violation in the decays of $K$ and $B$ mesons. In particular we discuss the commonly used classification of CP violation -- CP violation in the mass matrix, in the interference of mixing…

High Energy Physics - Phenomenology · Physics 2009-10-30 Gerhard Buchalla

Using two independent measurements of the semileptonic CP asymmetry in the $B_s$ system, we constrain the CP violating phase of the $B_s$ system to be $\phi_s = -0.70^{+0.47}_{-0.39}$. The data sample corresponds to an integrated luminosity…

High Energy Physics - Experiment · Physics 2008-11-26 K. Holubyev

We report a measurement of CP asymmetry parameters in the decay B0(B0bar) -> J/Psi pi0, which is governed by the b->c cbar d transition. The analysis is based on a 140/fb data sample accumulated at the Upsilon(4S) resonance by the belle…

High Energy Physics - Experiment · Physics 2019-08-14 S. U. Kataoka

We measure the charge asymmetry $A$ of like-sign dimuon events in 6.1 fb$^{-1}$ of $p\bar{p}$ collisions recorded with the D0 detector at a center-of-mass energy $\sqrt{s} = 1.96$ TeV at the Fermilab Tevatron collider. From $A$, we extract…

High Energy Physics - Experiment · Physics 2015-03-17 The D0 Collaboration , V. M. Abazov