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Related papers: Two-body modes of B mesons and the CP-b triangle

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We study the hadronic charmless two-body B decays to final states involving pseudoscalar and vector mesons with QCD factorization approach, including the contributions from the chirally enhanced power corrections and weak annihilations. The…

High Energy Physics - Phenomenology · Physics 2014-11-17 Dongsheng Du , Haijun Gong , Junfeng Sun , Deshan Yang , Guohuai Zhu

The study of charmless hadronic two-body decays of B mesons is one of the most fascinating topics in B physics. A construction of the unitarity triangle based on such decays is presented, which is independent of B-B(bar) and K-K(bar)…

High Energy Physics - Phenomenology · Physics 2010-11-23 Matthias Neubert

The B-meson system provides many strategies to perform stringent tests of the Standard-Model description of CP violation. In this brief review, we discuss implications of the currently available B-factory data on the angles alpha, beta and…

High Energy Physics - Phenomenology · Physics 2010-11-23 Robert Fleischer

We discuss the perturbative QCD approach for exclusive non-leptonic two body B-meson decays. We briefly review its ingredients and some important theoretical issues related to the factorization approach. PQCD results are compatible with…

High Energy Physics - Phenomenology · Physics 2014-11-17 Y. -Y. Keum , A. I. Sanda

We discuss the perturbative QCD approach for the exclusive two body B-meson decays to light mesons. We briefly review its ingredients and some important theoretical issues on factorization approach. We show numerical results which are…

High Energy Physics - Phenomenology · Physics 2014-11-17 Y. Y. Keum , A. I. Sanda

We give an overview of direct determinations of the angles of the unitarity triangle of the CKM matrix, using CP-violating effects in B-meson decays. After a discussion of B --> pi K modes, which can be described efficiently through allowed…

High Energy Physics - Phenomenology · Physics 2010-11-23 Robert Fleischer

We analyze the extraction of weak phases from CP violation in $B\to\pi^+\pi^-$ decays. By combining the information on mixing induced CP violation in $B\to\pi^+\pi^-$, namely $S_{\pi\pi}$, with the precision observable $\sin 2\beta$…

High Energy Physics - Phenomenology · Physics 2010-11-23 A. Salim Safir

The phenomenon of CP violation and strategies for extracting the angles of the unitarity triangle are reviewed. Special emphasis is given to the B-meson system, as it plays an outstanding role to test the Standard Model description of CP…

High Energy Physics - Phenomenology · Physics 2007-05-23 Robert Fleischer

We discuss applications of the perturbative QCD approach in the exclusive non-leptonic two body B-meson decays. We briefly review its ingredients and some important theoretical issues on the factorization approaches. PQCD results are…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yong-Yeon Keum

We discuss applications of the perturbative QCD approach in the exclusive non-leptonic two body B-meson decays. We briefly review its ingredients and some important theoretical issues on the factorization approaches. PQCD results are…

High Energy Physics - Phenomenology · Physics 2011-07-19 Y. -Y. Keum

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

Charmless three-body decays of B mesons is studied using a simple model based on the framework of the factorization approach. Hadronic three-body decays receive both resonant and nonresonant contributions. Dominant nonresonant contributions…

High Energy Physics - Phenomenology · Physics 2013-12-16 Hai-Yang Cheng , Chun-Khiang Chua

In this paper, we perform a global analysis of $B \to PP$ and $PV$ decays with the QCD factorization approach. It is encouraging to observe that the predictions of QCD factorization are in good agreement with experiment. The best fit…

High Energy Physics - Phenomenology · Physics 2009-11-07 Dongsheng Du , Junfeng Sun , Deshan Yang , Guohuai Zhu

We test a data-driven approach based on QCD factorization for charmless three-body $B$-decays by confronting it to measurements of CP violation in $B^- \to \pi^- \pi^+ \pi^-$. While some of the needed non-perturbative objects can be…

High Energy Physics - Phenomenology · Physics 2017-10-23 Rebecca Klein , Thomas Mannel , Javier Virto , K. Keri Vos

We have systematically investigated the semi-inclusive B decays $B\to MX$, which are manifestations of the quark decay $b \to Mq$, within a framework inspired by QCD-improved factorization. These decays are theoretically clean and have…

High Energy Physics - Phenomenology · Physics 2017-08-23 Hai-Yang Cheng

The charmless bottom meson decays are systematically investigated based on an approximate six quark operator effective Hamiltonian from perturbative QCD. It is shown that within this framework the naive QCD factorization method provides a…

High Energy Physics - Phenomenology · Physics 2010-02-26 Fang Su , Yue-Liang Wu , Yi-Bo Yang , Ci Zhuang

Using the QCD factorization approach, we reexamine the two-body hadronic charmless $B$-meson decays to final states involving a pseudoscalar~($P$) and a vector~($V$) meson, with inclusion of the penguin contractions of spectator-scattering…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xinqiang Li , Yadong Yang

We give an overview of the experimental measurements and the theoretical understanding of the branching fractions and CP-violating asymmetries of charmless B-meson decays. Most experimetal results are from the BABAR and Belle experiments…

High Energy Physics - Phenomenology · Physics 2009-12-15 Hai-Yang Cheng , Jim Smith

By using the recent experimental measurements of B -> pi pi and B -> K pi branching ratios, we find that the amplitudes computed at the leading order of the LambdaQCD/mb expansion disagree with the observed BRs, even taking into account the…

High Energy Physics - Phenomenology · Physics 2011-01-27 M. Ciuchini , E. Franco , G. Martinelli , M. Pierini , L. Silvestrini

In consistency with the b --> c type of (quasi) two body decays, recently observed two body decays of B mesons are studied in a hybrid perspective in which their amplitude is given by a sum of factorizable and non-factorizable ones, and a…

High Energy Physics - Phenomenology · Physics 2009-11-07 K. Terasaki
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