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

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We use SU(3) flavor symmetry to analyze the $PP', VP$ and baryon-antibaryon decays of $J/\psi$. Both, the SU(3)-invariant and -violating contributions are considered. Particular attention is paid to the interference of the electromagnetic…

High Energy Physics - Phenomenology · Physics 2009-10-31 G. Lopez Castro , J. L. Lucio M. , J. Pestieau

In the light of recent experimental data from the CLEO Collaboration we study, the decays of B mesons to a pair of pseudoscalar (P) mesons, and a vector (V) meson and a pseudoscalar meson, in the framework of factorization. In order to…

High Energy Physics - Phenomenology · Physics 2009-10-31 B. Dutta , Sechul Oh

We investigate solutions to the flavour anomalies in $B$ decays based on loop diagrams of a "split" dark sector characterised by the simultaneous presence of heavy particles at the TeV scale and light particles around and below the…

High Energy Physics - Phenomenology · Physics 2020-09-01 Luc Darmé , Marco Fedele , Kamila Kowalska , Enrico Maria Sessolo

Analyses of heavy mesons and baryons hadronic charmless decays using the flavor SU(3) symemtry can be formulated in two different forms. One is to construct the SU(3) irreducible representation amplitude (IRA) by decomposing effective…

High Energy Physics - Phenomenology · Physics 2020-03-23 Xiao-Gang He , Yu-Ji Shi , Wei Wang

Within the factorization-assisted topological-amplitude approach, we studied the 33 charmless $B_{(s)} \to VV$ decays, where $V$ stands for a light vector meson. According to the flavor flows, the amplitude of each process can be decomposed…

High Energy Physics - Phenomenology · Physics 2017-06-01 Chao Wang , Qi-An Zhang , Ying Li , Cai-Dian Lu

We study the singly charmed baryon two-body decays of $\mathbf{B}_c \rightarrow \mathbf{B}_D P$ under $SU(3)_{F}$ flavor symmetry, where ${\bf B}_{c}$ refers to anti-triplet singly charmed baryons, and ${\bf B}_{D}$ and $P$ denote decuplet…

High Energy Physics - Phenomenology · Physics 2025-01-30 Chao-Qiang Geng , Chia-Wei Liu , Sheng-Lin Liu

A large number of new experimental data on $B$ decay into two light pesudoscalar ($P$) mesons have been collected by the LHCb collaboration. Besides confirming information on $B_{u,d} \to PP$ decays obtained earlier by B-factories at KEK…

High Energy Physics - Phenomenology · Physics 2016-06-08 Yu-Kuo Hsiao , Chia-Feng Chang , Xiao-Gang He

In the recent years, fruitful results on charmed baryons are obtained by BESIII, Belle and LHCb. We investigate the two-body non-leptonic decays of charmed baryons in the flavor $SU(3)$ symmetry. Hundreds of amplitude relations are clearly…

High Energy Physics - Phenomenology · Physics 2020-05-19 Cai-Ping Jia , Di Wang , Fu-Sheng Yu

We use the approximate SU(3) flavor symmetry of the strong interaction to put bounds on the CP asymmetries in $b \to s$ decays of the $B^0_d$ and $B^+_u$ mesons. We extend the work of \cite{Grossman:2003qp} to include all relevant $B \to…

High Energy Physics - Phenomenology · Physics 2007-05-23 Guy Raz

We give an overview of various determinations of $\gamma/\phi_3$ with the help of $B_s$ decays into charmed final states, distinguishing between transitions with tree and penguin contributions and pure tree decays. In the corresponding…

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

The axial-vector mesons $f_1(1285)$ and $f_1(1420)$ are particularly viewed as the mixtures of flavor states $f_n$ and $f_s$ with mixing angle $\varphi$. In order to determine this angle, we study the $B_{d,s}^0\to J/\psi f_1(1285,1420)$…

High Energy Physics - Phenomenology · Physics 2023-01-25 De-Hua Yao , Xin Liu , Zhi-Tian Zou , Ying Li , Zhen-Jun Xiao

Baryons with a heavy c-quark or a heavy b-quark and also two c-quarks have been discovered. These states are expected in QCD and therefore provide a test for the theory. There should be double beauty baryons, and also an intriguing…

High Energy Physics - Phenomenology · Physics 2021-08-24 Junxing Pan , Yu-Kuo Hsiao , Jin Sun , Xiao-Gang He

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

All charmless $B \to PV\ell^+\nu_\ell$ ($P$ denotes the light pseudoscalar meson and $V$ denotes the vector meson) decays have not been experimentally observed to date, but some of them might be measured in the near future. The charmless $B…

High Energy Physics - Phenomenology · Physics 2025-08-19 Yi Qiao , Jin-Huan Sheng , Yuan-Guo Xu , Ru-Min Wang

We calculate the CP-averaged branching ratios and CP-violating asymmetries of a number of two-body charmless hadronic decays $\bar{B_s^0} \to PP, PV, VV$ in the perturbative QCD (pQCD) approach to leading order in $\alpha_s$ (here $P$ and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ahmed Ali , Gustav Kramer , Ying Li , Cai-Dian Lu , Yue-Long Shen , Wei Wang , Yu-Ming Wang

An extensive model-independent analysis of B->DD decays is carried out employing SU(3) flavour symmetry, including symmetry-breaking corrections. Several theoretically clean observables are identified which allow for testing the Standard…

High Energy Physics - Phenomenology · Physics 2015-03-05 Martin Jung , Stefan Schacht

We investigate flavor physics at present and future B factories in order to distinguish supersymmetric models. We evaluate CP asymmetries in various B decay modes, Delta M(Bd), Delta M(Bs), and epsilon_K in three supersymmetric models, i.e.…

High Energy Physics - Phenomenology · Physics 2007-05-23 Toru Goto , Yasuhiro Okada , Yasuhiro Shimizu , Tetsuo Shindou , Minoru Tanaka

We study the branching ratios and up-down asymmetries in the charmed baryon weak decays of ${\bf B}_c\to {\bf B}_DM$ with ${\bf B}_{c(D)}$ anti-triplet charmed (decuplet) baryon and $M$ pseudo-scalar meson states based on the flavor…

High Energy Physics - Phenomenology · Physics 2019-07-03 Chao-Qiang Geng , Chia-Wei Liu , Tien-Hsueh Tsai , Yao Yu

We provide a systematic study of charmless $B_s \to PP, PV, VV$ decays ($P$ and $V$ denote pseudoscalar and vector mesons, respectively) based on an approximate six-quark operator effective Hamiltonian from QCD. The calculation of the…

High Energy Physics - Phenomenology · Physics 2015-05-28 Fang Su , Yue-Liang Wu , Ci Zhuang , Yi-Bo Yang

Exclusive hadronic B-meson decays into two-body final states consisting of a light pseudoscalar or vector meson along with an eta or eta' meson are of great phenomenological interest. Their theoretical analysis involves decay mechanisms…

High Energy Physics - Phenomenology · Physics 2011-01-27 Martin Beneke , Matthias Neubert