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Related papers: CP violation results from CDF

200 papers

We report on measurements of time-dependent CP-violation asymmetries in neutral B meson decays to charmonium and charm final states. The results are obtained from a data sample of 467+/-5 million Y(4S)->BBbar decays collected with the BaBar…

High Energy Physics - Experiment · Physics 2019-08-13 Chunhui Chen

We have searched for CP violation of charmed mesons in the decays $D\to K^0_S P$, where $D$ denotes $D^0$ and $D^+_{(s)}$, and $P$ denotes the pseudo-scalar mesons $\pi^+$, $K^+$, $\pi^0$, $\eta$, and $\eta'$. No evidence of CP violation in…

High Energy Physics - Experiment · Physics 2019-08-13 B. R. Ko

After an introduction on the peculiarities of flavor-physics measurements at a hadron collider, and on the upgraded Collider Detector at Fermilab (CDF II), I show recent results on two-body B0 and B0s decays into charged, pseudo-scalar,…

High Energy Physics - Experiment · Physics 2019-08-14 Diego Tonelli

We review recent experimental results on D0 -D0bar mixing and CP violation charm decays. These studies provide complementary constraints on many different extensions of the Standard Model. Observation of CP violation in charm decays at the…

High Energy Physics - Experiment · Physics 2011-09-08 A. Zupanc

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

Recent evidence for direct CP violation in non-leptonic charm decays cannot be easily accommodated within the Standard Model (SM). On the other hand, it fits well in new physics models generating CP violating Delta C=1 chromomagnetic dipole…

High Energy Physics - Phenomenology · Physics 2012-11-06 Gino Isidori , Jernej F. Kamenik

This study reports \textit{CP} asymmetry measurements in charmless three-body decays of \textit{B} mesons, both using the Run II data from proton-proton collisions at a center-of-mass energy of 13 $TeV$, collected by the LHCb detector from…

High Energy Physics - Experiment · Physics 2024-04-01 Lucas Falcao

Hadronic $B$ decays without a charm quark constitute a powerful probe to search for physics beyond the standard model as well as to provide constraints on $CP$ violation parameters. We report final measurements from Belle of the branching…

High Energy Physics - Experiment · Physics 2017-10-10 A. B. Kaliyar

We present improved measurements of CP-violation parameters in the decays $B^0 \to \pi^+ \pi^-$, $B^0 \to K^+ \pi^-$, and $B^0 \to \pi^0 \pi^0$, and of the branching fractions for $B^0 \to \pi^0 \pi^0$ and $B^0 \to K^0 \pi^0$. The results…

High Energy Physics - Experiment · Physics 2013-03-14 The BABAR Collaboration

Although CP violation is predicted to be small in the Standard Model, there exists a continuing theoretical interest within the charm sector due to enhancements of CPV through new physics processes. We present an overview of the…

High Energy Physics - Experiment · Physics 2013-01-22 Eric White

We review recent results on hadronic B meson decays including rare as well as non-suppressed decays. The main emphasis is on those channels relevant to measurement of CP violation in the coming B factories. After briefly describing…

High Energy Physics - Phenomenology · Physics 2007-05-23 Hitoshi Yamamoto

We search for CP-violating asymmetries (Acp) in the B meson decays to K+- pi-+, K+- pi0, Ks pi+-, K+- eta', and omega pi+-. Using 9.66 million Upsilon(4S) decays collected with the CLEO detector, the statistical precision on Acp is in the…

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

Measurements of $CP$ asymmetries in charmless three-body decays of $B^\pm$ mesons are reported using proton-proton collision data collected by the LHCb detector, corresponding to an integrated luminosity of 5.9$\,$fb$^{-1}$. The previously…

High Energy Physics - Experiment · Physics 2023-08-04 LHCb Collaboration

These proceedings review direct CP violation in hadronic B decays. The experimental results include those related to the measurement of the unitarity triangle angle gamma using B->D(*)K(*) decays and measurements of charmless hadronic B…

High Energy Physics - Experiment · Physics 2014-12-16 Jim Libby

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

We report a measurement of the \CP\ violating asymmetry in $D^0\to\pi^+\pi^-$ decays using approximately 215,000 decays reconstructed in about $5.94$ fb$^{-1}$ of CDF data. We use the strong $D^{\star +}\to D^0\pi^+$ decay ("$D^{\star}$…

High Energy Physics - Experiment · Physics 2015-05-20 Michael Joseph Morello

We search for CP violation in neutral charm meson decays using a data sample with an integrated luminosity of 966 fb^-1 collected with the Belle detector at the KEKB e+e- asymmetric-energy collider. The asymmetry obtained in the rate of D^0…

High Energy Physics - Experiment · Physics 2014-07-16 N. K. Nisar , K. Trabelsi , G. B. Mohanty , T. Aziz , A. Abdesselam , I. Adachi , H. Aihara , K. Arinstein , D. M. Asner , V. Aulchenko , T. Aushev , R. Ayad , S. Bahinipati , A. M. Bakich , A. Bala , V. Bansal , P. Behera , K. Belous , V. Bhardwaj , A. Bobrov , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , D. Červenkov , B. G. Cheon , K. Chilikin , K. Cho , V. Chobanova , Y. Choi , D. Cinabro , J. Dalseno , M. Danilov , Z. Doležal , Z. Drásal , A. Drutskoy , D. Dutta , K. Dutta , S. Eidelman , D. Epifanov , H. Farhat , J. E. Fast , T. Ferber , V. Gaur , N. Gabyshev , S. Ganguly , A. Garmash , Y. M. Goh , B. Golob , T. Hara , H. Hayashii , X. H. He , Y. Hoshi , W. -S. Hou , T. Iijima , A. Ishikawa , R. Itoh , Y. Iwasaki , T. Iwashita , J. H. Kang , T. Kawasaki , C. Kiesling , D. Y. Kim , J. B. Kim , J. H. Kim , M. J. Kim , Y. J. Kim , K. Kinoshita , B. R. Ko , P. Kodyš , S. Korpar , P. Križan , P. Krokovny , T. Kuhr , R. Kumar , A. Kuzmin , Y. -J. Kwon , J. S. Lange , S. -H. Lee , L. Li Gioi , J. Libby , D. Liventsev , P. Lukin , B. Macek , D. Matvienko , K. Miyabayashi , H. Miyata , R. Mizuk , A. Moll , R. Mussa , E. Nakano , M. Nakao , M. Nayak , E. Nedelkovska , O. Nitoh , S. Ogawa , S. Okuno , P. Pakhlov , G. Pakhlova , H. Park , H. K. Park , T. K. Pedlar , T. Peng , R. Pestotnik , M. Petrič , L. E. Piilonen , E. Ribežl , M. Ritter , M. Röhrken , A. Rostomyan , Y. Sakai , S. Sandilya , L. Santelj , T. Sanuki , Y. Sato , O. Schneider , G. Schnell , C. Schwanda , A. J. Schwartz , D. Semmler , K. Senyo , O. Seon , M. E. Sevior , M. Shapkin , V. Shebalin , T. -A. Shibata , J. -G. Shiu , B. Shwartz , F. Simon , Y. -S. Sohn , A. Sokolov , E. Solovieva , S. Stanič , M. Starič , M. Steder , J. Stypula , T. Sumiyoshi , G. Tatishvili , Y. Teramoto , M. Uchida , T. Uglov , S. Uno , P. Urquijo , Y. Usov , S. E. Vahsen , C. Van Hulse , P. Vanhoefer , G. Varner , K. E. Varvell , M. N. Wagner , C. H. Wang , M. -Z. Wang , P. Wang , Y. Watanabe , K. M. Williams , E. Won , J. Yamaoka , Y. Yamashita , S. Yashchenko , Y. Yook , Z. P. Zhang , V. Zhilich , V. Zhulanov , A. Zupanc

$CP$ violation asymmetry is expected to be very small within the Standard Model. Observation of $CP$ violation in charm sector would hint towards New Physics. Time-reversal asymmetry is sensitive to $CPV$ via the $CPT$ Theorem, and is a…

High Energy Physics - Experiment · Physics 2019-01-15 S. Bahinipati

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

Results of recent searches for new physics in CP violation in charm decays from the BABAR experiment are presented. These results include a measurement of $D^0$ - $\bar{D}^0$ mixing and searches for CP violation in two-body $D^0$ decays, a…

High Energy Physics - Experiment · Physics 2012-10-08 Fernando Palombo