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Related papers: Direct CP Violation in Charmless B Decays

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Current HFAG averages of the mixing and CP violation parameters in the $D^0$ meson system is to be reviewed. We present recent Belle measurements of the mixing parameters $x$ and $y$ using $D^0\rightarrow K^0_S\pi^+\pi^-$, and $y_{CP}$ and…

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

We present updated measurements of branching fractions and CP-violating asymmetries for neutral B meson decays to two-body final states of charged pions and kaons. The results are obtained from a data sample of about 60 million Y(4S) -->…

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

We report a measurement of the decay B0 --> rho0 pi0, using 386 x 10^6 BB-bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We detect 51^{+14}_{-13} signal events with a…

High Energy Physics - Experiment · Physics 2012-08-27 The Belle Collaboration

We present measurements of the branching fractions for B0 meson decays to eta'K0 and omegaK0, and of the branching fractions and CP-violation charge asymmetries for B+ meson decays to etapi+, etaK+, eta'pi+, eta'K+, omegapi+, and omegaK+.…

High Energy Physics - Experiment · Physics 2010-04-12 The BABAR Collaboration , B. Aubert et al

Results on Dalitz analysis of three-body charmless B+=>K+pi+pi- and B+=>K+K+K- decays are reported. We also present preliminary results on the studies of direct CP violation in three-body decay B+-=>K+-pi+pi-. The analysis is performed…

High Energy Physics - Experiment · Physics 2019-08-14 A. Garmash

We present a precise measurement of the CP violation parameter sin2phi_1 and the direct CP violation parameter A_f using the final data sample of 772x10^6 B\bar B pairs collected at the Upsilon(4S) resonance with the Belle detector at the…

High Energy Physics - Experiment · Physics 2012-12-21 Belle Collaboration , I. Adachi , H. Aihara , D. M. Asner , V. Aulchenko , T. Aushev , T. Aziz , A. M. Bakich , A. Bay , V. Bhardwaj , B. Bhuyan , M. Bischofberger , A. Bondar , A. Bozek , M. Bracko , T. E. Browder , P. Chen , B. G. Cheon , K. Chilikin , R. Chistov , K. Cho , S. -K. Choi , Y. Choi , J. Dalseno , M. Danilov , Z. Dolezal , Z. Drasal , S. Eidelman , D. Epifanov , J. E. Fast , V. Gaur , N. Gabyshev , A. Garmash , Y. M. Goh , B. Golob , J. Haba , K. Hara , T. Hara , K. Hayasaka , H. Hayashii , T. Higuchi , Y. Horii , Y. Hoshi , W. -S. Hou , Y. B. Hsiung , H. J. Hyun , T. Iijima , A. Ishikawa , R. Itoh , M. Iwabuchi , Y. Iwasaki , T. Iwashita , T. Julius , P. Kapusta , N. Katayama , T. Kawasaki , H. Kichimi , C. Kiesling , H. J. Kim , H. O. Kim , J. B. Kim , J. H. Kim , K. T. Kim , Y. J. Kim , K. Kinoshita , B. R. Ko , S. Koblitz , P. Kodyš , S. Korpar , P. Krizan , P. Krokovny , T. Kuhr , R. Kumar , T. Kumita , A. Kuzmin , Y. -J. Kwon , J. S. Lange , S. -H. Lee , J. Li , Y. Li , C. Liu , Y. Liu , Z. Q. Liu , D. Liventsev , R. Louvot , D. Matvienko , S. McOnie , K. Miyabayashi , H. Miyata , Y. Miyazaki , R. Mizuk , G. B. Mohanty , T. Mori , N. Muramatsu , E. Nakano , M. Nakao , H. Nakazawa , S. Neubauer , S. Nishida , K. Nishimura , O. Nitoh , S. Ogawa , T. Ohshima , S. Okuno , S. L. Olsen , Y. Onuki , H. Ozaki , P. Pakhlov , G. Pakhlova , H. K. Park , K. S. Park , T. K. Pedlar , R. Pestotnik , M. Petric , L. E. Piilonen , A. Poluektov , M. Rohrken , M. Rozanska , H. Sahoo , K. Sakai , Y. Sakai , T. Sanuki , Y. Sato , O. Schneider , C. Schwanda , A. J. Schwartz , K. Senyo , V. Shebalin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , A. Sibidanov , F. Simon , J. B. Singh , P. Smerkol , Y. -S. Sohn , A. Sokolov , E. Solovieva , S. Stanic , M. Staric , M. Sumihama , K. Sumisawa , T. Sumiyoshi , S. Tanaka , G. Tatishvili , Y. Teramoto , I. Tikhomirov , K. Trabelsi , T. Tsuboyama , M. Uchida , S. Uehara , T. Uglov , Y. Unno , S. Uno , Y. Ushiroda , S. E. Vahsen , G. Varner , K. E. Varvell , A. Vinokurova , C. H. Wang , M. -Z. Wang , P. Wang , M. Watanabe , Y. Watanabe , K. M. Williams , E. Won , B. D. Yabsley , H. Yamamoto , Y. Yamashita , M. Yamauchi , Y. Yusa , Z. P. Zhang , V. Zhilich , A. Zupanc , O. Zyukova

We report a study of $\Lambda_c^+\to\Lambda h^+$ and $\Lambda_c^+\to\Sigma^{0} h^+$ ($h\!=\!K,\,\pi$) decays based on a data sample of 980~${\rm fb}^{-1}$ collected with the Belle detector at the KEKB energy-asymmetric $e^+e^-$ collider.…

High Energy Physics - Experiment · Physics 2023-03-30 Belle Collaboration , L. K. Li , W. Shan , K. Kinoshita , I. Adachi , H. Aihara , D. M. Asner , H. Atmacan , T. Aushev , V. Babu , S. Bahinipati , Sw. Banerjee , P. Behera , J. Bennett , M. Bessner , V. Bhardwaj , B. Bhuyan , T. Bilka , A. Bobrov , D. Bodrov , J. Borah , M. Bračko , P. Branchini , A. Budano , M. Campajola , D. Červenkov , M. -C. Chang , P. Chang , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , H. E. Cho , K. Cho , S. -J. Cho , S. -K. Choi , Y. Choi , S. Choudhury , D. Cinabro , N. Dash , G. De Nardo , G. De Pietro , R. Dhamija , F. Di Capua , Z. Doležal , T. V. Dong , D. Epifanov , T. Ferber , A. Frey , B. G. Fulsom , V. Gaur , A. Garmash , A. Giri , P. Goldenzweig , G. Gong , E. Graziani , T. Gu , Y. Guan , K. Gudkova , C. Hadjivasiliou , K. Hayasaka , H. Hayashii , M. T. Hedges , W. -S. Hou , C. -L. Hsu , K. Inami , A. Ishikawa , R. Itoh , W. W. Jacobs , E. -J. Jang , Q. P. Ji , S. Jia , Y. Jin , K. K. Joo , C. Kiesling , C. H. Kim , D. Y. Kim , K. -H. Kim , P. Kodyš , T. Konno , A. Korobov , S. Korpar , E. Kovalenko , P. Krokovny , T. Kuhr , R. Kumar , K. Kumara , A. Kuzmin , Y. -J. Kwon , Y. -T. Lai , T. Lam , J. S. Lange , S. C. Lee , J. Li , S. X. Li , Y. Li , Y. B. Li , L. Li Gioi , J. Libby , K. Lieret , M. Masuda , S. K. Maurya , M. Merola , F. Metzner , K. Miyabayashi , R. Mizuk , R. Mussa , M. Nakao , Z. Natkaniec , A. Natochii , L. Nayak , M. Nayak , M. Niiyama , N. K. Nisar , S. Nishida , S. Ogawa , H. Ono , P. Oskin , G. Pakhlova , S. Pardi , H. Park , S. -H. Park , A. Passeri , S. Patra , S. Paul , T. K. Pedlar , R. Pestotnik , L. E. Piilonen , T. Podobnik , E. Prencipe , M. T. Prim , A. Rostomyan , N. Rout , G. Russo , D. Sahoo , Y. Sakai , S. Sandilya , A. Sangal , V. Savinov , G. Schnell , J. Schueler , C. Schwanda , A. J. Schwartz , Y. Seino , K. Senyo , M. E. Sevior , M. Shapkin , C. Sharma , C. P. Shen , J. -G. Shiu , J. B. Singh , A. Sokolov , E. Solovieva , M. Starič , M. Sumihama , K. Sumisawa , T. Sumiyoshi , W. Sutcliffe , M. Takizawa , U. Tamponi , K. Tanida , F. Tenchini , M. Uchida , T. Uglov , Y. Unno , S. Uno , Y. Usov , S. E. Vahsen , R. van Tonder , G. Varner , A. Vinokurova , A. Vossen , E. Waheed , E. Wang , X. L. Wang , M. Watanabe , S. Watanuki , O. Werbycka , E. Won , X. Xu , B. D. Yabsley , W. Yan , S. B. Yang , J. Yelton , J. H. Yin , Y. Yook , C. Z. Yuan , Z. P. Zhang , V. Zhilich , V. Zhukova

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

First preliminary measurement of the direct CP-violating parameter Ag by the NA48/2 experiment at CERN SPS is presented. Using more than 1.6 billions of charged kaon decays into three charged pions, the charge asymmetry in the…

High Energy Physics - Experiment · Physics 2007-05-23 I. Mikulec

We present recent results on time integrated and time dependent CP violation for charmless hadronic B decays using BABAR detector at the PEP-II B-factory.

High Energy Physics - Experiment · Physics 2019-08-14 Emanuele Di Marco

LHCb, CDF and most recently Belle have observed a large difference between direct CP asymmetries in $D^0\to K^+K^-$ and $D^0\to\pi^+\pi^-$. We use the measured value of $\Delta A_{CP}$ to constrain the magnitude and strong phase of a…

High Energy Physics - Phenomenology · Physics 2013-02-25 Bhubanjyoti Bhattacharya

We report a preliminary measurement of the CP violating asymmetry in D0->pi+pi- using approximately 215,000 decays reconstructed in about 5.94/fb of CDF data. We use the strong D*+->D0pi+ decay ("D* tag") to identify the flavor of the…

High Energy Physics - Experiment · Physics 2011-07-08 Angelo Di Canto

We report an improved measurement of D0-D0bar mixing and a search for CP violation in D0 decays to CP-even final states K+K- and pi+pi-. The measurement is based on the final Belle data sample of 976/fb. The results are y_CP=(1.11 +- 0.22…

High Energy Physics - Experiment · Physics 2015-12-22 Belle Collaboration

We search for CP violating asymmetries in five charmless hadronic B meson decays using the full CLEO II and CLEO II.V data samples totalling 9.7 million BBbar events. The resulting Acp measurements have a precision that varies from +-0.12…

High Energy Physics - Experiment · Physics 2007-05-23 T. E. Coan , CLEO Collaboration

We present improved measurements of CP-violation parameters in B0->phiK0, eta'K0, KsKsKs decays based on a sample of 535x10^6 BBbar pairs collected at the Y(4S) resonance with the Belle detector at the KEKB energy-asymmetric e+e- collider.…

High Energy Physics - Experiment · Physics 2008-11-26 The Belle Collaboration , K. -F. Chen

We present a time-dependent Dalitz plot measurement of CP violation parameters in B0 --> Ks Pi+ Pi- decays. These results are obtained from a large data sample that contains 657 million BBbar pairs collected at the Y(4S) resonance with the…

High Energy Physics - Experiment · Physics 2019-08-13 J. Dalseno

This article summarises measurements of time-dependent CP asymmetries in decays of neutral B mesons to charm final states using data collected by the BaBar detector at the PEP-II asymmetric-energy B-factory. All results are preliminary…

High Energy Physics - Experiment · Physics 2017-08-23 Katherine A. George

The $B \to \pi$ and $B \to K$ transitions involved in hadronic B decays are investigated in a phenomenological way through the framework of QCD factorization. By comparing our results with experimental branching ratios from the BELLE, BABAR…

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

We give a brief review of direct $CP$ violation effects in charmless $B$ decays, both at the inclusive and at the exclusive level. It is emphasized that typical exclusive final states are composed of 2--4 $K$ or $\pi$'s, hence particle…

High Energy Physics - Phenomenology · Physics 2015-06-25 George W. S. Hou

In this proceeding, we report the recent measurements of time-dependent CP violation in B meson decays from the Belle Collaboration. The Belle experiment stopped operation in June 2010 and collected nearly 772 x 10^6 B B-bar pairs at the…

High Energy Physics - Experiment · Physics 2019-08-13 H. Sahoo