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With the wealth of new data from the B-factories, b -> d penguin decays become available for study, in addition to their b -> s counterparts that have proven an indespensable tool for the exploration of new-physics effects in flavour…

High Energy Physics - Phenomenology · Physics 2007-05-23 Robert Fleischer , Stefan Recksiegel

A new experimental analysis of $B\to K\pi$ decays provides finite experimental values for the contributions from interference terms between the dominant penguin amplitude and the color-favored and color-suppressed tree amplitudes. These…

High Energy Physics - Phenomenology · Physics 2007-05-23 Harry J. Lipkin

We systematically investigate the $CP$-averaged branching ratios and $CP$ violations (CPVs) for the two-body hadronic decays $\Lambda_b\to ph$, where $h$ runs through the mesons $\pi^-$, $\rho^-$, $a_1^-(1260)$, $K^-$, $K^{\ast -}$,…

High Energy Physics - Phenomenology · Physics 2025-10-20 Jia-Jie Han , Ji-Xin Yu , Ya Li , Hsiang-nan Li , Jian-Peng Wang , Zhen-Jun Xiao , Fu-Sheng Yu

The inclusive decay rate b to ccs is enhanced considerably due to perturbative QCD corrections. We recalculate the dominant part of the NLO-QCD corrections, because they cannot be reconstructed from the literature and we give the full…

High Energy Physics - Phenomenology · Physics 2015-06-16 Fabian Krinner , Alexander Lenz , Thomas Rauh

We have investigated the exclusive, radiative B meson decays to K2*(1430) in 89* 10^6 BBbar events with the BaBar detector at the PEP-II storage ring. We measure the branching fractions BR(B0 -> K2*(1430)0 gamma) = (1.22 +-0.25…

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

We calculate the branching ratios and CP asymmetries for B^0 to pi^+pi^-, B^+ to pi^+pi^0 and B^0 to pi^0pi^0 decays, in a perturbative QCD approach. In this approach, we calculate non-factorizable and annihilation type contributions, in…

High Energy Physics - Phenomenology · Physics 2009-10-31 C. D. Lu , K. Ukai , M. Z. Yang

Motivated by recent data on B-> p pbar K decay, we study various charmless three-body baryonic B decay modes, including Lambda pbar pi, Sigma0 pbar pi, p pbar pi, p pbar Kbar0, in a factorization approach. These modes have rates of order…

High Energy Physics - Phenomenology · Physics 2009-11-07 Chun-Khiang Chua , Wei-Shu Hou , Shang-Yuu Tsai

We present a measurement of the branching fraction and time-dependent CP violation parameters in B0 --> a_1^+-(1260) pi^-+ decays. The results are obtained from the final data sample containing 772x10^6 BBbar pairs collected at the…

High Energy Physics - Experiment · Physics 2013-01-29 Belle Collaboration , J. Dalseno , I. Adachi , H. Aihara , D. M. Asner , V. Aulchenko , T. Aushev , A. M. Bakich , A. Bay , K. Belous , B. Bhuyan , A. Bozek , M. Bračko , O. Brovchenko , T. E. Browder , V. Chekelian , A. Chen , P. Chen , B. G. Cheon , K. Chilikin , R. Chistov , I. -S. Cho , K. Cho , Y. Choi , Z. Doležal , Z. Drásal , S. Eidelman , J. E. Fast , V. Gaur , N. Gabyshev , A. Garmash , Y. M. Goh , H. Hayashii , Y. Horii , Y. Hoshi , W. -S. Hou , Y. B. Hsiung , H. J. Hyun , T. Iijima , K. Inami , A. Ishikawa , R. Itoh , M. Iwabuchi , Y. Iwasaki , T. Iwashita , T. Julius , J. H. Kang , C. Kiesling , H. O. Kim , J. B. Kim , Y. J. Kim , K. Kinoshita , B. R. Ko , S. Koblitz , P. Kodyš , S. Korpar , P. Križan , P. Krokovny , B. Kronenbitter , T. Kuhr , T. Kumita , Y. -J. Kwon , S. -H. Lee , J. Li , J. Libby , C. Liu , Z. Q. Liu , R. Louvot , J. MacNaughton , D. Matvienko , S. McOnie , K. Miyabayashi , H. Miyata , Y. Miyazaki , G. B. Mohanty , D. Mohapatra , A. Moll , N. Muramatsu , M. Nakao , Z. Natkaniec , E. Nedelkovska , C. Ng , S. Nishida , K. Nishimura , O. Nitoh , S. Ogawa , T. Ohshima , S. Okuno , P. Pakhlov , G. Pakhlova , C. W. Park , H. K. Park , T. K. Pedlar , R. Pestotnik , M. Petrič , L. E. Piilonen , M. Prim , K. Prothmann , M. Ritter , M. Röhrken , H. Sahoo , Y. Sakai , T. Sanuki , O. Schneider , C. Schwanda , A. J. Schwartz , K. Senyo , O. Seon , M. E. Sevior , M. Shapkin , V. Shebalin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , A. Sibidanov , F. Simon , P. Smerkol , Y. -S. Sohn , E. Solovieva , M. Starič , M. Sumihama , T. Sumiyoshi , G. Tatishvili , Y. Teramoto , K. Trabelsi , M. Uchida , S. Uehara , Y. Unno , S. Uno , P. Urquijo , Y. Usov , P. Vanhoefer , G. Varner , C. H. Wang , P. Wang , M. Watanabe , Y. Watanabe , K. M. Williams , E. Won , B. D. Yabsley , Y. Yamashita , Z. P. Zhang , V. Zhilich , V. Zhulanov , A. Zupanc

We report on the analyses of the baryonic B decays B0bar -> LambdaC+ p- p+ p- and B- -> SigmaC++ p- pi- pi-. The underlying data sample consists of 470 x 10^6 BBbar pairs generated in the process e+e- -> Y(4S) and collected with the BaBar…

High Energy Physics - Experiment · Physics 2012-11-02 Oliver Grünberg

We investigate the branching ratios and direct CP asymmetries of $B_c^+\to D^0\pi^+$ and $B_c^+\to D^+\pi^0$ decays in the PQCD approach. All the diagrams with emission topology or annihilation topology are calculated strictly. A branching…

High Energy Physics - Phenomenology · Physics 2009-01-07 Jian-Feng Cheng , Dong-Sheng Du , Cai-Dian Lu

We study the rates and direct CP violations of two-body baryonic $\bar B_{u,d,s}\to {{\rm\bf B}\overline{\rm\bf B}}'$ and $B^-_c\to{{\rm\bf B}\overline{\rm\bf B}}'$ decays, where the final state baryons include low-lying octet and decuplet…

High Energy Physics - Phenomenology · Physics 2022-08-31 Chun-Khiang Chua

We present a measurement of the branching fractions and charge-parity-(CP-) violating parameters in B -> omega K decays. The results are obtained from the final data sample containing 772 x 10^(6) BBbar pairs collected at the Y(4S)…

High Energy Physics - Experiment · Physics 2014-07-11 V. Chobanova , J. Dalseno , C. Kiesling , I. Adachi , H. Aihara , D. M. Asner , V. Aulchenko , T. Aushev , T. Aziz , A. M. Bakich , A. Bala , Y. Ban , K. Belous , B. Bhuyan , A. Bobrov , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , D. Červenkov , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , R. Chistov , K. Cho , Y. Choi , D. Cinabro , M. Danilov , Z. Doležal , Z. Drásal , D. Dutta , K. Dutta , S. Eidelman , S. Esen , H. Farhat , J. E. Fast , T. Ferber , V. Gaur , N. Gabyshev , S. Ganguly , A. Garmash , R. Gillard , Y. M. Goh , B. Golob , J. Haba , K. Hayasaka , X. H. He , Y. Horii , Y. Hoshi , W. -S. Hou , Y. B. Hsiung , H. J. Hyun , T. Iijima , K. Inami , A. Ishikawa , Y. Iwasaki , T. Iwashita , I. Jaegle , T. Julius , J. H. Kang , E. Kato , H. Kawai , T. Kawasaki , D. Y. Kim , H. J. Kim , J. B. Kim , J. H. Kim , M. J. Kim , Y. J. Kim , K. Kinoshita , J. Klucar , B. R. Ko , P. Kodyš , S. Korpar , P. Krokovny , B. Kronenbitter , T. Kuhr , T. Kumita , A. Kuzmin , J. S. Lange , S. -H. Lee , J. Li , Y. Li , L. Li Gioi , J. Libby , D. Liventsev , P. Lukin , D. Matvienko , K. Miyabayashi , H. Miyake , H. Miyata , R. Mizuk , G. B. Mohanty , A. Moll , N. Muramatsu , R. Mussa , E. Nakano , M. Nakao , Z. Natkaniec , M. Nayak , E. Nedelkovska , C. Ng , N. K. Nisar , S. Nishida , O. Nitoh , S. Ogawa , S. Okuno , P. Pakhlov , G. Pakhlova , C. W. Park , H. Park , H. K. Park , T. K. Pedlar , T. Peng , R. Pestotnik , M. Petrič , L. E. Piilonen , M. Ritter , M. Röhrken , A. Rostomyan , H. Sahoo , T. Saito , Y. Sakai , L. Santelj , T. Sanuki , V. Savinov , O. Schneider , A. J. Schwartz , D. Semmler , K. Senyo , O. Seon , M. E. Sevior , M. Shapkin , T. -A. Shibata , J. -G. Shiu , B. Shwartz , A. Sibidanov , F. Simon , Y. -S. Sohn , S. Stanič , M. Starič , M. Steder , K. Sumisawa , T. Sumiyoshi , U. Tamponi , G. Tatishvili , Y. Teramoto , K. Trabelsi , M. Uchida , T. Uglov , Y. Unno , S. Uno , C. Van Hulse , P. Vanhoefer , G. Varner , K. E. Varvell , A. Vinokurova , V. Vorobyev , M. N. Wagner , C. H. Wang , M. -Z. Wang , P. Wang , M. Watanabe , Y. Watanabe , K. M. Williams , E. Won , H. Yamamoto , Y. Yamashita , S. Yashchenko , Z. P. Zhang , V. Zhilich , V. Zhulanov , A. Zupanc

Direct CP violation in charmless three-body hadronic decays of $B$ mesons is studied within the framework of a simple model based on the factorization approach. Three-body decays of heavy mesons receive both resonant and nonresonant…

High Energy Physics - Phenomenology · Physics 2016-11-23 Hai-Yang Cheng , Chun-Khiang Chua , Zhi-Qing Zhang

We complete the computation of the 1-loop (alpha_s^2) corrections to hard spectator scattering in non-leptonic B decays at leading power in Lambda/m_b by evaluating the penguin amplitudes. This extends the knowledge of these…

High Energy Physics - Phenomenology · Physics 2008-11-26 Martin Beneke , Sebastian Jager

In left-right models the gluonic penguin contribution to b --> s s-bar s transition is enhanced by m_t/m_b due to the presence of (V+A) currents and by the larger values of loop functions than in the Standard Model. Together those may…

High Energy Physics - Phenomenology · Physics 2009-11-07 Martti Raidal

We report first measurements of the doubly charmed baryonic B decays B->Lambda_c+Lambda_c-K. The B+->Lambda_c+Lambda_c-K+ decay is observed with a branching fraction of (6.5+1.0-0.9+-1.1+-3.4)x10^{-4} and a statistical significance of…

High Energy Physics - Experiment · Physics 2008-11-26 The Belle Collaboration , N. Gabyshev

We report measurements of the branching fractions and direct CP asymmetries (A_{CP}) for B->K pi, pi pi and KK decays (but not pi^0 pi^0) based on the final data sample of 772x10^6 B B-bar pairs collected at the Upsilon(4S) resonance with…

High Energy Physics - Experiment · Physics 2013-05-03 Y. -T. Duh , T. -Y. Wu , P. Chang , G. B. Mohanty , Y. Unno , I. Adachi , H. Aihara , D. M. Asner , V. Aulchenko , T. Aushev , T. Aziz , A. M. Bakich , B. Bhuyan , M. Bischofberger , A. Bondar , G. Bonvicini , A. Bozek , M. Bracko , T. E. Browder , Y. Chao , V. Chekelian , A. Chen , P. Chen , B. G. Cheon , I. -S. Cho , K. Cho , V. Chobanova , Y. Choi , Z. Dolezal , A. Drutskoy , D. Dutta , S. Eidelman , H. Farhat , J. E. Fast , A. Frey , V. Gaur , R. Gillard , Y. M. Goh , B. Golob , J. Haba , K. Hayasaka , H. Hayashii , Y. Horii , Y. Hoshi , W. -S. Hou , Y. B. Hsiung , H. J. Hyun , T. Iijima , A. Ishikawa , T. Julius , J. H. Kang , P. Kapusta , T. Kawasaki , H. J. Kim , H. O. Kim , J. H. Kim , M. J. Kim , Y. J. Kim , K. Kinoshita , B. R. Ko , P. Kodys , S. Korpar , P. Krizan , P. Krokovny , T. Kuhr , R. Kumar , T. Kumita , A. Kuzmin , Y. -J. Kwon , S. -H. Lee , Y. Li , J. Libby , C. Liu , Y. Liu , K. Miyabayashi , H. Miyata , R. Mizuk , T. Mori , N. Muramatsu , E. Nakano , M. Nakao , C. Ng , S. Nishida , K. Nishimura , O. Nitoh , S. Ogawa , T. Ohshima , S. Okuno , G. Pakhlova , H. Park , H. K. Park , T. K. Pedlar , R. Pestotnik , M. Petric , L. E. Piilonen , M. Prim , M. Ritter , M. Rohrken , S. Ryu , H. Sahoo , Y. Sakai , S. Sandilya , D. Santel , Y. Sato , O. Schneider , C. Schwanda , K. Senyo , M. E. Sevior , M. Shapkin , V. Shebalin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , A. Sibidanov , F. Simon , P. Smerkol , Y. -S. Sohn , A. Sokolov , E. Solovieva , M. Staric , M. Sumihama , T. Sumiyoshi , G. Tatishvili , Y. Teramoto , K. Trabelsi , M. Uchida , S. Uehara , S. Uno , P. Vanhoefer , G. Varner , A. Vinokurova , C. H. Wang , M. -Z. Wang , M. Watanabe , K. M. Williams , E. Won , B. D. Yabsley , Y. Yamashita , Z. P. Zhang , V. Zhilich , V. Zhulanov , A. Zupanc

We perform an analysis of two-body non leptonic decays of $B$ and $B_s$ mesons in the factorization approximation. We make use of the semileptonic decay amplitudes previously calculated on the basis of an effective lagrangian satisfying…

High Energy Physics - Phenomenology · Physics 2011-08-17 A. Deandrea , N. Di Bartolomeo , R. Gatto , G. Nardulli

We report the observation of the baryonic B-decay B0bar -> Lambda_c^+ antiproton K^- pi^+, excluding contributions from the decay B0bar -> Lambda_c^+ anti-Lambda K^-. Using a data sample of 467*10^6 BBbar pairs collected with the BABAR…

High Energy Physics - Experiment · Physics 2011-10-19 The BABAR Collaboration , B. Aubert

With the generalized factorization approximation, we calculate the branching ratios and CP asymmetries in B meson decays into two charmless pseudoscalar mesons. We give a new estimation of the matrix elements of (S+P)(S-P) current products…

High Energy Physics - Phenomenology · Physics 2009-10-31 Dongsheng Du , Deshan Yang , Guohuai Zhu