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Related papers: Flavor symmetry analysis of charmless B --> VP dec…

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Two-body charmed meson decays $D\to VP$ are studied within the framework of the diagrammatic approach. Under flavor SU(3) symmetry, all the flavor amplitude sizes and their associated strong phases are extracted by performing a $\chi^2$…

High Energy Physics - Phenomenology · Physics 2016-06-15 Hai-Yang Cheng , Cheng-Wei Chiang , An-Li Kuo

The decays of $B$ mesons to two-body hadronic final states are analyzed within the context of broken flavor SU(3) symmetry, extending a previous analysis involving pairs of light pseudoscalars to decays involving one or two charmed quarks…

High Energy Physics - Phenomenology · Physics 2010-11-01 Michael Gronau , Oscar F. Hernandez , David London , Jonathan L. Rosner

A method based on flavour SU(3) is proposed for identifying and extracting New Physics (NP) amplitudes in charmless $\Delta S=1$ $B_s$ decays using time-dependent CP asymmetries in these decays and in flavour SU(3) related $\Delta S=0$…

High Energy Physics - Phenomenology · Physics 2008-11-26 Robert Fleischer , Michael Gronau

We present fits to charmless hadronic B decay data from the BaBar, Belle and Cleo experiments using two theoretical models: (i) the QCD factorization model of Beneke et al. and (ii) QCD factorization complemented with the so-called charming…

High Energy Physics - Phenomenology · Physics 2010-11-23 N. de Groot , W. N. Cottingham , I. B. Whittingham

In this talk we briefly present a flavor-SU(3) technique to study branching ratios and direct CP asymmetries $D$-meson decays. The first part of the talk is meant to set up a foundation, based on previous work, to deal with flavor-SU(3)…

High Energy Physics - Phenomenology · Physics 2012-08-07 Bhubanjyoti Bhattacharya , Michael Gronau , Jonathan L. Rosner

We study a relation between the weak phase $\gamma$ and the rates and CP asymmetries of several $K \pi$ decays of $B^+$, $B^0$, and $B_s$, emphasizing the impact of the latter measurements. Current data indicate large SU(3) breaking in the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Cheng-Wei Chiang , Michael Gronau , Jonathan L. Rosner

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

A large amount of data on hadronic two body weak decays of anti-triplet charmed baryons $T_{c\bar 3}$ to an octet baryon $T_8$ and an octet or singlet pseudoscalar meson $P$, $T_{c \bar 3} \to T_8 P$, have been measured. The SU(3) flavor…

High Energy Physics - Phenomenology · Physics 2023-11-06 Zhi-Peng Xing , Xiao-Gang He , Fei Huang , Chang Yang

Flavor SU(3) symmetry is a powerful tool to analyze charmed baryon decays, however its applicability remains to be experimentally validated. Since there is not much data on $\Xi_c$ decays, various exclusive $\Lambda_c$ decays especially the…

High Energy Physics - Phenomenology · Physics 2016-03-30 Cai-Dian Lü , Wei Wang , Fu-Sheng Yu

We analyze the charmless two-body decays of the $B$ meson into a pseudoscalar and a vector meson, referred to as $B\to PV$ decay, within the framework of the modified perturbative QCD (PQCD) approach. Based on the conventional PQCD…

High Energy Physics - Phenomenology · Physics 2025-11-26 Sheng Lü , Ru-Xuan Wang , Mao-Zhi Yang

Some flavor SU(3) results are presented for decays of the $\Lambda_b$ baryon into non-charmed final states $PB$, where $P$ is a pseudoscalar mesons and $B$ is a spin-1/2 baryon. Although these relations are among amplitudes and hence not…

High Energy Physics - Phenomenology · Physics 2014-02-12 Michael Gronau , Jonathan L. Rosner

The CLEO Collaboration has now observed the decays $B^+ \to \omega \pi^+$ and $B \to \omega K^+$ with branching ratios of $(1.1^{+0.6}_{-0.5} \pm 0.2) \times 10^{-5}$ and $(1.5^{+0.7}_{-0.6} \pm 0.3) \times 10^{-5}$, respectively. These are…

High Energy Physics - Phenomenology · Physics 2011-05-05 Amol S. Dighe , Michael Gronau , Jonathan L. Rosner

We consider charmless weak decays of beauty-baryons into decuplet baryons and pseudoscalar mesons in a general framework based on $SU(3)$-flavor decomposition of the decay amplitudes. The dynamical assumption independent $SU(3)$ analysis…

High Energy Physics - Phenomenology · Physics 2020-09-30 Shibasis Roy , Rahul Sinha , N. G. Deshpande

We present the current wisdom regarding the measurement of the CP-violating phases of the CKM unitarity triangle in $B$-meson decays. After an introduction to the SM picture of CP violation, we review direct and indirect CP violation, the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Oscar F. Hernandez , David London

An increasing number of experimental measurements from the BESIII, Belle, and Belle-II collaborations encourage investigations into charmed baryon two-body decay processes. By including contributions from the penguin diagrams that are…

High Energy Physics - Phenomenology · Physics 2024-09-23 Zhi-Peng Xing , Yu-Ji Shi , Jin Sun , Ye Xing

Charmless B->PP decays are studied using flavor SU(3) symmetry. Amplitude with charming penguin topology is considered for two cases: with zero and with arbitrary strong phase. Two sets of data (an older and the most recent one) are used in…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Sowa

We present a comprehensive study of anti-triplet charmed baryon decays into octet baryons and pseudoscalar mesons using the $SU(3)_F$ flavor symmetry framework. By decomposing the flavor structure, all decay amplitudes are parametrized with…

High Energy Physics - Phenomenology · Physics 2025-09-16 Chang Yang , Xiao-Gang He , Chia-Wei Liu

Charmless B decay modes $B \to \pi \pi, \pi K$ and $KK$ aresystematically investigated with and without flavor SU(3) symmetry. Independent analyses on $\pi \pi$ and $\pi K$ modes both favor a large ratio between color-suppressed tree ($C$)…

High Energy Physics - Phenomenology · Physics 2009-11-11 Yue-Liang Wu , Yu-Feng Zhou

Latest data on charmless strange vector-pseudoscalar $B^+$ decays now including $B^+\to \rho^+ K^o$ confirm a simple penguin model in which the gluon $G$ in an initial $\bar s u G$ state fragments equally into $u \bar u$, $d \bar d$ and $s…

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

We present updated results of an SU(3)-flavor analysis of D->P P decay data including linear breaking and no further assumptions. The global fit is consistent with nominal (~ 30%) SU(3)F breaking and returns enhanced penguin (triplet)…

High Energy Physics - Phenomenology · Physics 2013-11-18 Gudrun Hiller , Martin Jung , Stefan Schacht