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Related papers: Studies of CP violation in B->J/psi K* decays

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An angular analysis for B decays into two vector mesons gives parameters sensitive to new physics. They are the decay amplitudes of the three helicity states, the asymmetry in triple product, and the CP violating phase. The measurements of…

High Energy Physics - Experiment · Physics 2007-05-23 Belle Collaboration , K. Abe

Using the full data sample collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider, we present three recent measurements of time-dependent CP violation in $B$ decays, and a measurement of branching fraction of the…

High Energy Physics - Experiment · Physics 2013-12-19 Luka Santelj

We observe evidence for CP violation in the decay $D^+\rightarrow K^0_S\pi^+$ using a data sample with an integrated luminosity of 977 fb$^{-1}$ collected by the Belle detector at the KEKB $e^+e^-$ asymmetric-energy collider. The CP…

High Energy Physics - Experiment · Physics 2019-08-14 B. R. Ko , E. Won , I. Adachi , H. Aihara , D. M. Asner , V. Aulchenko , T. Aushev , T. Aziz , A. M. Bakich , K. Belous , V. Bhardwaj , B. Bhuyan , M. Bischofberger , A. Bondar , G. Bonvicini , A. Bozek , M. Bra\v , T. E. Browder , M. -C. Chang , A. Chen , P. Chen , B. G. Cheon , K. Chilikin , I. -S. Cho , K. Cho , Y. Choi , Z. Dole\v , Z. Drásal , S. Eidelman , J. E. Fast , V. Gaur , N. Gabyshev , Y. M. Goh , B. Golob , J. Haba , K. Hayasaka , H. Hayashii , Y. Horii , Y. Hoshi , W. -S. Hou , H. J. Hyun , T. Iijima , A. Ishikawa , R. Itoh , M. Iwabuchi , Y. Iwasaki , T. Iwashita , T. Julius , J. H. Kang , T. Kawasaki , C. Kiesling , H. O. Kim , J. B. Kim , K. T. Kim , M. J. Kim , Y. J. Kim , K. Kinoshita , S. Koblitz , P. Kody\v , S. Korpar , P. Kri\v , P. Krokovny , T. Kuhr , A. Kuzmin , Y. -J. Kwon , J. S. Lange , S. -H. Lee , J. Li , Y. Li , J. Libby , C. -L. Lim , C. Liu , Y. Liu , Z. Q. Liu , D. Liventsev , R. Louvot , Y. Miyazaki , R. Mizuk , G. B. Mohanty , A. Moll , T. Mori , N. Muramatsu , Y. Nagasaka , E. Nakano , M. Nakao , H. Nakazawa , Z. Natkaniec , S. Nishida , K. Nishimura , O. Nitoh , S. Ogawa , T. Ohshima , S. Okuno , S. L. Olsen , Y. Onuki , W. Ostrowicz , P. Pakhlov , G. Pakhlova , C. W. Park , H. K. Park , K. S. Park , T. K. Pedlar , R. Pestotnik , M. Petri\v , L. E. Piilonen , A. Poluektov , M. Ritter , M. Röhrken , S. Ryu , H. Sahoo , K. Sakai , Y. Sakai , T. Sanuki , Y. Sato , O. Schneider , C. Schwanda , A. J. Schwartz , R. Seidl , K. Senyo , M. E. Sevior , M. Shapkin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , A. Sibidanov , F. Simon , P. Smerkol , Y. -S. Sohn , A. Sokolov , E. Solovieva , S. Stani\v , M. Stari\v , T. Sumiyoshi , S. Tanaka , G. Tatishvili , Y. Teramoto , K. Trabelsi , T. Tsuboyama , M. Uchida , S. Uehara , Y. Unno , S. Uno , G. Varner , K. E. Varvell , A. Vinokurova , V. Vorobyev , C. H. Wang , P. Wang , X. L. Wang , M. Watanabe , Y. Watanabe , H. Yamamoto , Y. Yamashita , C. Z. Yuan , C. C. Zhang , Z. P. Zhang , V. Zhulanov , A. Zupanc

We report a measurement of the CP violation parameters in b->c anti-c d decays. Mixing-induced CP violation involving this transition is studied using a sample of B0->J/psi pi0, D*+D*- and D*+-D-+ decays with a data set accumulated at the…

High Energy Physics - Experiment · Physics 2017-08-23 T. Aushev

We report a measurement of CP asymmetry parameters in the $b \to c\bar{c}d$-transition-induced decays $B^0(\bar{B^0}) \to J/\psi pi^0$. The analysis is based on a 140 fb$^{-1}$ data sample accumulated at the $\Upsilon(4S)$ resonance by the…

High Energy Physics - Experiment · Physics 2009-09-29 K. Abe , the Belle Collaboration

We report improved measurements of time-dependent CP violation parameters for $B^0(\bar{B}^0) \to J/\psi \pi^0$ decay. This analysis is based on 535 million $B\bar{B}$ pairs accumulated at the $\Upsilon(4S)$ resonance with the Belle…

High Energy Physics - Experiment · Physics 2019-08-13 S. E. Lee , K. Miyabayashi

We present new measurements of CP-violation parameters in B0->phi/Ks, K+K-Ks, f0(980)Ks, eta'Ks, omega/Ks, Pi0/Ks, and K*0(KsPi0)/gamma decays based on a sample of 275x10^6 BBbar pairs collected at the Y(4S) resonance with the Belle…

High Energy Physics - Experiment · Physics 2019-08-14 Alexei Garmash

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 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 present a preliminary measurement of the Standard Model CP violation parameter $\sin 2\phi_1$ using the Belle detector. A $6.2~{\rm fb}^{-1}$ sample of events produced by the KEKB asymmetric $e^+e^-$ collider operating at the…

High Energy Physics - Experiment · Physics 2007-05-23 Hiroaki Aihara

We report the analysis of time-dependent CP violation in neutral B meson system using a data sample corresponding to 140fb-1 collected by Belle detector and KEKB e+e- collider. One B meson decaying into CP eigenstate is fully reconstructed…

High Energy Physics - Experiment · Physics 2009-09-29 C. C. Wang

We report evidence for direct CP violation in the decay B0 -> K+-pi-+ with 253/fb of data collected with the Belle detector at the KEKB e+e- collider. Using 275 million B B_bar pairs we observe a B -> K+-pi-+ signal with 2140+-53 events.…

High Energy Physics - Experiment · Physics 2019-08-14 Y. Chao

We report improved measurements of time-dependent CP violation parameters for B^0(\bar{B}^0) -> psi(2S) K_S. This analysis is based on a data sample of 657x10^6 BBbar pairs collected at the Y(4S) resonance with the Belle detector at the…

High Energy Physics - Experiment · Physics 2019-08-13 H. Sahoo , T. E. Browder , K. Trabelsi

We report a measurement of the CP-violating parameters in B0->K0S K0S decays based on a data sample of 657 million BBbar pairs collected at the Y(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. In this…

High Energy Physics - Experiment · Physics 2008-11-26 Belle Collaboration , Y. Nakahama , K. Sumisawa

We present new measurements of CP-violation parameters in B0 --> phi K0, K+ K- Ks, f0(980) Ks, eta' Ks, omega Ks, Ks pi0, and K*0 gamma (K*0 --> Ks pi0) decays based on a sample of 275 x 10^6 BBbar pairs collected at the Upsilon(4S)…

High Energy Physics - Experiment · Physics 2019-08-14 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 report a measurement of the CP-odd fraction and the time-dependent CP violation in B0 to D*+D*- decays, using 657.10^6 BBbar events collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e-…

High Energy Physics - Experiment · Physics 2019-08-13 K. Vervink , T. Aushev , O. Schneider

We present an improved measurement of CP-violation parameters in B0 --> phi Ks0, K+ K- Ks0, and eta' Ks0 decays based on a 140 fb-1 data sample collected at the Upsilon(4S) resonance with the Belle detector at the KEKB energy-asymmetric…

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

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 measurement of the CP violation parameters in B0 ->Kspi0pi0 and B0 -> KsKs decays using a data sample containing 657x10^6 BBbar pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider operating at…

High Energy Physics - Experiment · Physics 2007-08-15 The Belle Collaboration , K. Abe
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