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We present a measurement of the Standard Model CP violation parameter sin(2phi_1) based on a 10.5 fb^{-1} data sample collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric e+e- collider. One neutral B meson…

High Energy Physics - Experiment · Physics 2008-11-26 A. Abashian

We report a measurement of the exclusive $B^+$ meson decay to the $D_s^{(*)-} K^+\pi^+$ final state using $657 \times 10^{6} B\overline{B}$ pairs collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB…

High Energy Physics - Experiment · Physics 2009-10-06 The Belle Collaboration , J. Wiechczynski , T. Lesiak

We search for direct CP violation in flavor specific B -> K pi decays by measuring the rate asymmetry between charge conjugate modes. The search is performed on a data sample of 11.1 million B B bar events recorded on the Upsilon(4S)…

High Energy Physics - Experiment · Physics 2010-05-28 K. Abe

We present an updated measurement of time-dependent \CP asymmetries and the \CP-odd fraction in the decay $B^0 \to D^{*+}D^{*-}$ using $232 \times 10^{6} \BB$ pairs collected by the \babar detector at the PEP-II $B$ factory. We determine…

High Energy Physics - Experiment · Physics 2010-03-19 BaBar Collaboration , B. Aubert

We present a summary of recent studies on $CP$ violation with the Belle experiment using the final data sample of $772 \times 10^{6}$ B\bar{B} pairs produced at the Ypsilon(4S) resonance at the KEK asymmetric e^+ e^- collider. We discuss…

High Energy Physics - Experiment · Physics 2015-09-23 P. Vanhoefer

We present a precise measurement of the standard model CP-violation parameter sin(2phi1) based on a sample of 152 x 10^6 BB-bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e-…

High Energy Physics - Experiment · Physics 2007-08-06 The Belle Collaboration , K. Abe

We report the recent measurements of $B^0\to J/\psi\pi^0$ and other CP violation modes based on the data collected by the Belle experiment at the KEKB collider. The CP asymmetry parameters for the decay $B^0\to J/\psi\pi^0$ have previously…

High Energy Physics - Experiment · Physics 2018-11-27 Bilas Pal

We have searched for CP violation in the charmed meson decays $D^{+}_{(s)}\to K^0_S\pi^+$ and $D^{+}_{(s)}\to K^0_S K^+$ using 673 fb$^{-1}$ of data collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. No…

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

We report the measurement of the branching fraction and $CP$ asymmetry for the $\bar{B}^{0}(B^{0})\to K^{0}_{S}K^{\mp}\pi^{\pm}$ decay. The analysis is performed on a data sample of 711 $\rm{fb}^{-1}$ collected at the $\Upsilon(4S)$…

High Energy Physics - Experiment · Physics 2018-09-05 A. Abdesselam , I. Adachi , K. Adamczyk , J. K. Ahn , H. Aihara , S. Al Said , K. Arinstein , Y. Arita , D. M. Asner , H. Atmacan , V. Aulchenko , T. Aushev , R. Ayad , T. Aziz , V. Babu , I. Badhrees , S. Bahinipati , A. M. Bakich , Y. Ban , V. Bansal , E. Barberio , M. Barrett , W. Bartel , P. Behera , C. Beleño , K. Belous , M. Berger , F. Bernlochner , D. Besson , V. Bhardwaj , B. Bhuyan , T. Bilka , J. Biswal , T. Bloomfield , A. Bobrov , A. Bondar , G. Bonvicini , A. Bozek , M. Bračko , N. Braun , F. Breibeck , J. Brodzicka , T. E. Browder , L. Cao , G. Caria , D. Červenkov , M. -C. Chang , P. Chang , Y. Chao , V. Chekelian , A. Chen , K. -F. Chen , B. G. Cheon , K. Chilikin , R. Chistov , K. Cho , V. Chobanova , S. -K. Choi , Y. Choi , S. Choudhury , D. Cinabro , J. Crnkovic , S. Cunliffe , T. Czank , M. Danilov , N. Dash , S. Di Carlo , J. Dingfelder , Z. Doležal , T. V. Dong , D. Dossett , Z. Drásal , A. Drutskoy , S. Dubey , D. Dutta , S. Eidelman , D. Epifanov , J. E. Fast , M. Feindt , T. Ferber , A. Frey , O. Frost , B. G. Fulsom , R. Garg , V. Gaur , N. Gabyshev , A. Garmash , M. Gelb , J. Gemmler , D. Getzkow , F. Giordano , A. Giri , R. Glattauer , Y. M. Goh , P. Goldenzweig , B. Golob , D. Greenwald , M. Grosse Perdekamp , J. Grygier , O. Grzymkowska , Y. Guan , E. Guido , H. Guo , J. Haba , P. Hamer , K. Hara , T. Hara , Y. Hasegawa , J. Hasenbusch , K. Hayasaka , H. Hayashii , X. H. He , M. Heck , M. T. Hedges , D. Heffernan , M. Heider , A. Heller , T. Higuchi , S. Hirose , T. Horiguchi , Y. Hoshi , K. Hoshina , W. -S. Hou , Y. B. Hsiung , C. -L. Hsu , K. Huang , M. Huschle , Y. Igarashi , T. Iijima , M. Imamura , K. Inami , G. Inguglia , A. Ishikawa , K. Itagaki , R. Itoh , M. Iwasaki , Y. Iwasaki , S. Iwata , W. W. Jacobs , I. Jaegle , H. B. Jeon , S. Jia , Y. Jin , D. Joffe , M. Jones , K. K. Joo , T. Julius , J. Kahn , H. Kakuno , A. B. Kaliyar , J. H. Kang , K. H. Kang , P. Kapusta , G. Karyan , S. U. Kataoka , E. Kato , Y. Kato , P. Katrenko , H. Kawai , T. Kawasaki , T. Keck , H. Kichimi , C. Kiesling , B. H. Kim , D. Y. Kim , H. J. Kim , H. -J. Kim , J. B. Kim , K. T. Kim , S. H. Kim , S. K. Kim , Y. J. Kim , T. Kimmel , H. Kindo , K. Kinoshita , C. Kleinwort , J. Klucar , N. Kobayashi , P. Kodyš , Y. Koga , T. Konno , S. Korpar , D. Kotchetkov , R. T. Kouzes , P. Križan , R. Kroeger , J. -F. Krohn , P. Krokovny , B. Kronenbitter , T. Kuhr , R. Kulasiri , R. Kumar , T. Kumita , E. Kurihara , Y. Kuroki , A. Kuzmin , P. Kvasnička , Y. -J. Kwon , Y. -T. Lai , J. S. Lange , I. S. Lee , S. C. Lee , M. Leitgab , R. Leitner , D. Levit , P. Lewis , C. H. Li , H. Li , L. K. Li , Y. Li , Y. B. Li , L. Li Gioi , J. Libby , A. Limosani , C. Liu , Y. Liu , D. Liventsev , A. Loos , R. Louvot , P. -C. Lu , M. Lubej , T. Luo , J. MacNaughton , M. Masuda , T. Matsuda , D. Matvienko , A. Matyja , J. T. McNeil , M. Merola , F. Metzner , Y. Mikami , K. Miyabayashi , Y. Miyachi , H. Miyake , H. Miyata , Y. Miyazaki , R. Mizuk , G. B. Mohanty , S. Mohanty , H. K. Moon , T. Mori , T. Morii , H. -G. Moser , M. Mrvar , T. Müller , N. Muramatsu , R. Mussa , Y. Nagasaka , Y. Nakahama , I. Nakamura , K. R. Nakamura , E. Nakano , H. Nakano , T. Nakano , M. Nakao , H. Nakayama , H. Nakazawa , T. Nanut , K. J. Nath , Z. Natkaniec , M. Nayak , K. Neichi , C. Ng , C. Niebuhr , M. Niiyama , N. K. Nisar , S. Nishida , K. Nishimura , O. Nitoh , A. Ogawa , K. Ogawa , S. Ogawa , T. Ohshima , S. Okuno , S. L. Olsen , H. Ono , Y. Ono , Y. Onuki , W. Ostrowicz , C. Oswald , H. Ozaki , P. Pakhlov , G. Pakhlova , B. Pal , H. Palka , E. Panzenböck , S. Pardi , C. -S. Park , C. W. Park , H. Park , K. S. Park , S. Paul , I. Pavelkin , T. K. Pedlar , T. Peng , L. Pesántez , R. Pestotnik , M. Peters , L. E. Piilonen , A. Poluektov , V. Popov , K. Prasanth , E. Prencipe , M. Prim , K. Prothmann , M. V. Purohit , A. Rabusov , J. Rauch , B. Reisert , P. K. Resmi , E. Ribežl , M. Ritter , J. Rorie , A. Rostomyan , M. Rozanska , S. Rummel , G. Russo , D. Sahoo , H. Sahoo , T. Saito , Y. Sakai , M. Salehi , S. Sandilya , D. Santel , L. Santelj , T. Sanuki , J. Sasaki , N. Sasao , Y. Sato , V. Savinov , T. Schlüter , O. Schneider , G. Schnell , P. Schönmeier , M. Schram , C. Schwanda , A. J. Schwartz , B. Schwenker , R. Seidl , Y. Seino , D. Semmler , K. Senyo , O. Seon , I. S. Seong , M. E. Sevior , L. Shang , M. Shapkin , V. Shebalin , C. P. Shen , T. -A. Shibata , H. Shibuya , S. Shinomiya , J. -G. Shiu , B. Shwartz , A. Sibidanov , F. Simon , J. B. Singh , R. Sinha , A. Sokolov , Y. Soloviev , E. Solovieva , S. Stanič , M. Starič , M. Steder , Z. Stottler , J. F. Strube , J. Stypula , S. Sugihara , A. Sugiyama , M. Sumihama , K. Sumisawa , T. Sumiyoshi , W. Sutcliffe , K. Suzuki , K. Suzuki , S. Suzuki , S. Y. Suzuki , Z. Suzuki , H. Takeichi , M. Takizawa , U. Tamponi , M. Tanaka , S. Tanaka , K. Tanida , N. Taniguchi , Y. Tao , G. N. Taylor , F. Tenchini , Y. Teramoto , I. Tikhomirov , K. Trabelsi , T. Tsuboyama , M. Uchida , T. Uchida , I. Ueda , S. Uehara , T. Uglov , Y. Unno , S. Uno , P. Urquijo , Y. Ushiroda , Y. Usov , S. E. Vahsen , R. Van Tonder , C. Van Hulse , P. Vanhoefer , G. Varner , K. E. Varvell , K. Vervink , A. Vinokurova , V. Vorobyev , A. Vossen , M. N. Wagner , E. Waheed , B. Wang , C. H. Wang , M. -Z. Wang , P. Wang , X. L. Wang , M. Watanabe , Y. Watanabe , S. Watanuki , R. Wedd , S. Wehle , E. Widmann , J. Wiechczynski , K. M. Williams , E. Won , B. D. Yabsley , S. Yamada , H. Yamamoto , Y. Yamashita , S. Yashchenko , H. Ye , J. Yelton , J. H. Yin , Y. Yook , C. Z. Yuan , Y. Yusa , S. Zakharov , C. C. Zhang , L. M. Zhang , Z. P. Zhang , L. Zhao , V. Zhilich , V. Zhukova , V. Zhulanov , T. Zivko , A. Zupanc , N. Zwahlen

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

CP violation in $B\to J/\psi K^*$ decays is studied using an angular analysis in a data sample of 253 fb$^{-1}$ recorded with the Belle detector at the KEKB $e^+e^-$ collider. The flavor separated measurements of the decay amplitudes…

High Energy Physics - Experiment · Physics 2019-08-14 R. Itoh , Y. Onuki

We report a study of the suppressed B meson decay B^- -> D K^- followed by D -> K^+ \pi^-, where D indicates a D^0 or \bar{D}^0 state. The two decay paths interfere and provide information on the CP-violating angle \phi_3. We use a data…

High Energy Physics - Experiment · Physics 2008-11-26 Belle Collaboration , Y. Horii , K. Trabelsi , H. Yamamoto

We present measurements of CP asymmetries in D decays performed by the Belle experiment running at the KEKB asymmetric-energy e+e- collider.

High Energy Physics - Experiment · Physics 2013-12-24 A. J. Schwartz

We report an updated study of the suppressed decays $B^- \to [K^+\pi^-]_D K^-$ and $B^- \to [K^+\pi^-]_D \pi^-$ where $[K^+\pi^-]_D$ indicates that the $K^+\pi^-$ pair originates from a neutral $D$ meson. A data sample containing 386…

High Energy Physics - Experiment · Physics 2019-08-14 K. Abe

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

High Energy Physics - Experiment · Physics 2013-03-27 The BABAR Collaboration , J. P. Lees , others

We present a measurement of time-dependent CP-violating asymmetries in fully reconstructed $B^0->D^{(*)\pm}\pi^\mp$ decays in a data sample of approximately 88 million $Y(4S)\to B\bar{B}$ decays collected with the BaBar detector at the…

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

We present the first study of the time-dependent CP-violating asymmetry in B0 -> J/psi pi0 decays using e+e- annihilation data collected with the BaBar detector at the Upsilon(4S) resonance during the years 1999-2002 at the PEP-II…

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

We present an improved measurement of the standard model CP violation parameter sin2phi1 (also known as sin2beta) based on a sample of 45x10^6 BBbar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB…

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

We report an improved measurement of direct CP violation in the decay B0 --> K+pi-, and a search for CP violation in the decays B+ --> K+pi0 and B+ --> pi+pi0. The measured CP violating asymmetries are…

High Energy Physics - Experiment · Physics 2019-08-14 K. Abe

We present a measurement of the Standard Model CP violation parameter sin 2phi_1 based on a 29.1 fb^{-1} data sample collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. One neutral B…

High Energy Physics - Experiment · Physics 2010-05-28 K. Abe , The Belle Collaboration
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