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We evaluate the non-resonant decay amplitude of the process $B^\pm\to K^\pm\pi^+ \pi^-$ using an approach based on final state hadronic interactions described in terms of meson exchanges. We conclude that this mechanism generates…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. Bediaga , D. R. Boito , G. Guerrer , F. S. Navarra , M. Nielsen

The two-body hadronic decays of B mesons into pseudoscalar and axial vector mesons are studied within the framework of QCD factorization. The light-cone distribution amplitudes (LCDAs) for $^3P_1$ and $^1P_1$ axial-vector mesons have been…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hai-Yang Cheng , Kwei-Chou Yang

The decays B -> D^{**} pi, where D^{**} is a narrow p-wave charm resonance, are investigated in the context of a generalized factorization hypothesis, including the leading nonfactorizable corrections. The decay rates for these processes…

High Energy Physics - Phenomenology · Physics 2009-10-30 Matthias Neubert

The quasi-two-body $B \to D (R\to) K \pi$ decays are calculated in PQCD approach based on the $k_T$ factorization by introducing the wave functions of $K\pi$ pair associated with the resonances $K^*(892)$, $K_0^*(1430)$ and $K_2^*(1430)$.…

High Energy Physics - Phenomenology · Physics 2023-11-30 Wen-Sheng Fang , Zhi-Tian Zou , Ying Li

We investigate the impact of charm mixing on the model-independent gamma measurement using Dalitz plot analysis of the three-body D decay from B+->DK+ process, and show that ignoring the mixing at all stages of the analysis is safe up to a…

High Energy Physics - Phenomenology · Physics 2014-11-20 Alex Bondar , Anton Poluektov , Vitaly Vorobiev

Precision results on the leptonic, semileptonic, and hadronic decays of charm mesons are reviewed. These results are important for timely progress in weak flavor physics both in their own right and as checks of theoretical calculations.…

High Energy Physics - Experiment · Physics 2009-04-07 Roy A. Briere

The status of the heavy quark expansion for inclusive B decays is briefly reviewed from the perspective of confronting theory with data and of extracting the heavy quark parameters. A good agreement between properly applied theory and new…

High Energy Physics - Phenomenology · Physics 2007-05-23 Nikolai Uraltsev

Inspired by recent improved measurements of charm semileptonic decays at BESIII, we study a large set of $D(D_s)$-meson semileptonic decays where the hadron in the final state is one of $D^0$, $\rho$, $\omega$, $\eta^{(\prime)}$ in the case…

High Energy Physics - Phenomenology · Physics 2019-01-28 Nakul R. Soni , Mikhail A. Ivanov , Jürgen G. Körner , Jignesh N. Pandya , Pietro Santorelli , Chien-Thang Tran

Semileptonic decays of $D$ and $D_s$ mesons into orbitally and radially excited strange and light mesons are studied in detail within the framework of the relativistic quark model based on the quasipotential approach and quantum…

High Energy Physics - Phenomenology · Physics 2025-05-14 V. O. Galkin , I. S. Sukhanov

We consider hadronic weak decays of beauty-baryons into charmless baryons and pseudoscalar mesons in a general framework based on $SU(3)$ decomposition of the decay amplitudes. The advantage of the approach lies in the ability to perform an…

High Energy Physics - Phenomenology · Physics 2020-02-26 Shibasis Roy , Rahul Sinha , N. G. Deshpande

We perform a global fits to charmless $B \to PP$ decays which independently constrain the $(\bar\rho,\bar\eta)$ vertex of the unitarity triangle. The fitted amplitudes and phase are used to predict the branching ratios and CP asymmetries of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Cheng-Wei Chiang , Yu-Feng Zhou

We review current experimental results on charm mixing and CP violation. We survey experimental techniques, including time-dependent, time-independent, and quantum-correlated measurements. We review techniques that use a slow pion tag from…

High Energy Physics - Experiment · Physics 2012-09-27 Carlos A. Chavez , Ray F. Cowan , W. S. Lockman

In this paper, we review recent progress in the field of semileptonic decays of charm mesons, including topics on the relative branching ratio and the form factors. The comparison between the experimental form factor measurements and the…

High Energy Physics - Experiment · Physics 2007-05-23 Doris Yangsoo Kim

In the heavy-quark limit, the hadronic matrix elements entering nonleptonic $B$-meson decays into two light mesons can be calculated from first principles including ``nonfactorizable'' strong-interaction corrections. The $B\to\pi K,\pi\pi$…

High Energy Physics - Phenomenology · Physics 2010-05-28 M. Beneke , G. Buchalla , M. Neubert , C. T. Sachrajda

A recent update of data on the decays of $D^0$, $D^+$, and $D_s^+$ to pairs of light pseudoscalars calls for a renewed analysis of key decay amplitudes and tests of flavor symmetry. The present data change our previous understanding of…

High Energy Physics - Phenomenology · Physics 2010-04-06 Bhubanjyoti Bhattacharya , Jonathan L. Rosner

We consider rare semileptonic decays of a heavy $D$-meson into a light vector meson in the framework of QCD factorization. In contrast to the corresponding $B$-meson decays, the naive factorization hypothesis does not even serve as a first…

High Energy Physics - Phenomenology · Physics 2017-09-13 Thorsten Feldmann , Bastian Mueller , Dirk Seidel

We show that the QCD factorization approach for $B$-meson decays to charmless hadronic two-body final states can be extended to include electromagnetic corrections. The presence of electrically charged final-state particles complicates the…

High Energy Physics - Phenomenology · Physics 2020-12-02 Martin Beneke , Philipp Böer , Jan-Niklas Toelstede , K. Keri Vos

We present a comprehensive review of purely leptonic and semileptonic decays of $D^{0(+)}$, $D_s^{+}$, and charmed baryons (including $\Lambda_c^{+}$, $\Xi_c$ and $\Omega_c$). The precise studies of these decays help deepen our…

High Energy Physics - Experiment · Physics 2023-10-10 Bai-Cian Ke , Jonna Koponen , Hai-Bo Li , Yangheng Zheng

Recent experimental results on the color-suppressed nonleptonic decays B^0 -> D^{(*)0} pi^0 provide evidence for a failure of the naive factorization model and for sizeable relative strong-interaction phases between class-1 and class-2 B ->…

High Energy Physics - Phenomenology · Physics 2009-11-07 Matthias Neubert , Alexey A. Petrov

We study the decay of $D^0$ and $D^+_s$ mesons into five-body final states including a $K_S^0$ and report the discovery of the decay mode $D_s^+\to K_S^0 K_S^0\pi^+\pi^+\pi^-$. The branching ratio for the new mode is {${\Gamma(D_s^+\to…

High Energy Physics - Experiment · Physics 2008-11-26 the FOCUS Collaboration , J. M. Link