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Related papers: Direct CP Violation in Charmless B Decays

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We analyze the decay B0-->K+ pi- pi0 with a sample of 454 million B Bbar events collected by the BaBar detector at the PEP-II asymmetric-energy B factory at SLAC, and extract the complex amplitudes of seven interfering resonances over the…

High Energy Physics - Experiment · Physics 2011-07-04 The BABAR Collaboration , J. P. Lees

Recently, we have seen interesting progress in the exploration of CP violation in B^0_d -> pi^+ pi^-: the measurements of mixing-induced CP violation by the BaBar and Belle collaborations are now in good agreement with each other, whereas…

High Energy Physics - Phenomenology · Physics 2008-11-26 Robert Fleischer , Stefan Recksiegel , Felix Schwab

We present measurements of branching fractions and CP-violating asymmetries for neutral B meson decays to two-body final states of charged pions and kaons based on a sample of about 88 million Y(4S)-->BB decays. From a time-independent fit…

High Energy Physics - Experiment · Physics 2009-09-29 The BABAR Collaboration , B. Aubert

We present new CDF results on the branching fractions and time-integrated direct CP asymmetries for $B^0$ and $B^0_s$ decay modes into pairs of charmless charged hadrons (pions or kaons). The data-set for this update amounts to 1…

High Energy Physics - Experiment · Physics 2007-10-03 CDF Collaboration , Michal Kreps

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 report updated measurements of indirect and direct CP asymmetry in decays $D^0 \to K^+K^-,\pi^+\pi^-$ and a new measurement of direct and indirect CP asymmetry in decays $D^0 \to \pi^0\pi^0$, using the full data sample of the Belle…

High Energy Physics - Experiment · Physics 2019-08-13 Tara Nanut

We present preliminary measurements of direct and indirect CP-violating asymmetries in the decays of neutral B mesons to pi+pi-pi0 and K+-pi-+pi0 final states dominated by the rho+- resonance, using a time-dependent maximum likelihood…

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

Effects of CP violation and of final state interactions between pairs of pseudoscalar mesons are studied in three-body B+, B-, B0 and antiB0 decays into K pi pi. An alternative approach to the isobar model for three-body B decays is…

High Energy Physics - Phenomenology · Physics 2008-11-26 L. Lesniak , B. El-Bennich , A. Furman , R. Kaminski , B. Loiseau , B. Moussallam

We analyze the decay B0 --> K+ K- K0 using 383 million B-Bbar events collected by the BaBar detector at SLAC to extract CP violation parameter values over the Dalitz plot. Combining all K+ K- K0 events, we find A_CP = -0.015 +/- 0.077 +/-…

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

We report measurements of time dependent decay rates for $B^0 \to D^{(*)-}\pi^+$ decays and extraction of CP violation parameters that depend on $\phi_3$. Using fully reconstructed $D^{(*)}\pi$ events and partially reconstructed $D^{*}\pi$…

High Energy Physics - Experiment · Physics 2008-11-26 The Belle Collaboration , F. J. Ronga

We report the first measurement of CP-violation parameters in B^0 -> K_S^0\rho^0\gamma decays based on 657 million B\bar B pairs collected with the Belle detector at the KEKB asymmetric-energy collider. We measure the time-dependent CP…

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

We present a search for direct CP violation in B+- -> J/psi K+- and B+- -> psi(2S) K+- decays. In a sample of 9.7 million B meson pairs collected with the CLEO detector, we have fully reconstructed 534 B+- -> J/psi K+- and 120 B+- ->…

High Energy Physics - Experiment · Physics 2010-04-08 G. Bonvicini

We report measurements of CP violation parameters in $B^0 \to K^0 \pi^0$ decays based on a data sample of $657 \times 10^6 B\bar{B}$ pairs collected with the Belle detector at the KEKB $e^+ e^-$ asymmetric-energy collider. We use $B^0 \to…

High Energy Physics - Experiment · Physics 2019-08-13 M. Fujikawa , Y. Yusa

We present measurements of the branching fractions and a search for CP-violating charge asymmetries in charmless hadronic decays of B mesons into two-body final states of kaons and pions. The results are based on a data sample of…

High Energy Physics - Experiment · Physics 2010-05-28 B. Aubert , BABAR Collaboration

The Belle experiment at the KEK $B$ factory has collected 93 fb$^{-1}$ of electron positron collisions at $\sqrt s = 10.6$ GeV. This has produced a sample of 85 million $B {\bar B}$ meson pairs that can be used to study $CP$ violation in…

High Energy Physics - Experiment · Physics 2010-11-23 William Trischuk

We present a preliminary measurement of the CP-violating parameters in fully reconstructed B->D^(*)+-pi-+ and B->D^+-rho-+ decays in approximately 232 million Y(4S)->BBbar$ decays collected with the BaBar detector at the PEP-II…

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

We present a preliminary measurement of CP-violating parameters S and C from fits of the time-dependence of B0 meson decays to eta' K0. The data were recorded with the BaBar detector at PEP-II and correspond to 227 * 10^6 B-Bbar pairs…

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

We present updated measurements of the CP-violating parameters S_pipi and C_pipi in B0 -> pi+pi- decays. Using a sample of 227 million Y(4S) -> BBbar decays collected with the BaBar detector at the PEP-II asymmetric-energy e+e- collider at…

High Energy Physics - Experiment · Physics 2008-11-26 B. Aubert , BaBar Collaboration

We report the measurement of the branching fraction, the polarization, and the parameters of the time-dependent CP violation in B0 -> D*+ D*- decays using a data sample of 772 million BB pairs, collected at the Y(4S) resonance with the…

High Energy Physics - Experiment · Physics 2012-10-24 Belle Collaboration , B. Kronenbitter , I. Adachi , H. Aihara , K. Arinstein , D. M. Asner , T. Aushev , T. Aziz , A. M. Bakich , M. Barrett , K. Belous , V. Bhardwaj , B. Bhuyan , A. Bondar , A. Bozek , M. Bračko , O. Brovchenko , T. E. Browder , V. Chekelian , A. Chen , P. Chen , B. G. Cheon , R. Chistov , I. -S. Cho , K. Cho , Y. Choi , J. Dalseno , Z. Doležal , Z. Drásal , A. Drutskoy , S. Eidelman , S. Esen , J. E. Fast , M. Feindt , V. Gaur , N. Gabyshev , Y. M. Goh , J. Haba , H. Hayashii , Y. Horii , Y. Hoshi , W. -S. Hou , Y. B. Hsiung , T. Iijima , K. Inami , A. Ishikawa , R. Itoh , M. Iwabuchi , Y. Iwasaki , T. Julius , J. H. Kang , P. Kapusta , T. Kawasaki , C. Kiesling , H. J. Kim , H. O. Kim , J. B. Kim , J. H. Kim , K. T. Kim , M. J. Kim , Y. J. Kim , K. Kinoshita , B. R. Ko , S. Koblitz , P. Kodyš , S. Korpar , R. T. Kouzes , P. Križan , P. Krokovny , T. Kuhr , R. Kumar , T. Kumita , Y. -J. Kwon , S. -H. Lee , J. Li , Y. Li , J. Libby , Y. Liu , Z. Q. Liu , D. Liventsev , R. Louvot , S. McOnie , K. Miyabayashi , H. Miyata , R. Mizuk , G. B. Mohanty , D. Mohapatra , A. Moll , E. Nakano , M. Nakao , S. Neubauer , C. Ng , S. Nishida , K. Nishimura , O. Nitoh , T. Ohshima , S. Okuno , S. L. Olsen , Y. Onuki , H. Ozaki , P. Pakhlov , G. Pakhlova , C. W. Park , H. Park , H. K. Park , R. Pestotnik , M. Petrič , L. E. Piilonen , M. Prim , M. Ritter , M. Röhrken , S. Ryu , H. Sahoo , Y. Sakai , S. Sandilya , L. Santelj , T. Sanuki , O. Schneider , C. Schwanda , A. J. Schwartz , K. Senyo , M. E. Sevior , M. Shapkin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , A. Sibidanov , F. Simon , P. Smerkol , Y. -S. Sohn , A. Sokolov , E. Solovieva , S. Stanič , M. Starič , M. Sumihama , K. Sumisawa , T. Sumiyoshi , G. Tatishvili , Y. Teramoto , K. Trabelsi , T. Tsuboyama , M. Uchida , S. Uehara , T. Uglov , Y. Unno , S. Uno , Y. Usov , P. Vanhoefer , G. Varner , K. E. Varvell , V. Vorobyev , C. H. Wang , P. Wang , Y. Watanabe , K. M. Williams , E. Won , B. D. Yabsley , J. Yamaoka , Y. Yamashita , D. Zander , V. Zhilich , V. Zhulanov , A. Zupanc

Using the full data sample collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider, we present CP violation in charm decays. The $D^0-\bar{D}^0$ mixing parameter $y_{CP}$ and indirect CP violation parameter…

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