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Two-body charmless hadronic decays of $B$ mesons are important for determining Standard Model parameters and for detecting the presence of new physics. We present recent results from the Belle experiment on the charmless hadronic decays…

High Energy Physics - Experiment · Physics 2019-08-13 Bilas Pal

We study charmless two-body baryonic B decays in a diagramatic approach. Relations on decay amplitudes are obtained. In general there are more than one tree and more than one penguin amplitudes. The number of independent amplitudes can be…

High Energy Physics - Phenomenology · Physics 2009-11-10 Chun-Khiang Chua

The investigation of $B$ meson decays to charmed and charmless hadronic final states is a keystone of the Belle II program. Analyses of such decays provide reliable and experimentally precise constraints on the weak interactions of quarks.…

High Energy Physics - Experiment · Physics 2023-06-14 Shu-Ping Lin

The study of charmless b-hadron decays provides information for testing the CKM picture of CP violation in the Standard Model. In addition, as they can proceed through loop diagrams, they are also sensitive to physics beyond the Standard…

High Energy Physics - Experiment · Physics 2014-09-16 Roberta Cardinale

I summarize results and performance of the dynamical theory of charmless hadronic B decays, based on QCD factorization in the heavy quark limit. On the theoretical side, a number of NNLO (alpha_s^2) amplitudes are now available, all showing…

High Energy Physics - Phenomenology · Physics 2013-04-10 Sebastian Jager

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

Hadronic $B$ decays without a charm quark constitute a powerful probe to search for physics beyond the standard model as well as to provide constraints on $CP$ violation parameters. We report final measurements from Belle of the branching…

High Energy Physics - Experiment · Physics 2017-10-10 A. B. Kaliyar

We report on recent results on charmless hadronic and radiative rare $B_s^0$ decays, based on the data collected by the Belle experiment at the KEKB $e^+e^-$ collider. These include the studies of $B_s^0\rightarrow K^0\bar{K^0}$,…

High Energy Physics - Experiment · Physics 2019-08-13 Bilas Pal

The CLEO collaboration has studied two-body charmless hadronic decays of $B$ mesons into final states containing two pseudo-scalar mesons, or a pseudo-scalar and a vector meson. We summarize and discuss results presented during the…

High Energy Physics - Experiment · Physics 2007-05-23 Yongsheng Gao , Frank Würthwein

Charmless $B$ decays are dominated by contributions from the short distance amplitudes from tree level and penguin loop-level amplitudes. The Tree contribution presents a weak phase $\gamma$. The relationship between these two amplitudes…

High Energy Physics - Experiment · Physics 2014-08-22 Ignacio Bediaga

Rare $B$, $D$ and $K$ decays provide interesting probes of the Standard Model (SM), with a potential sensitivity to New Physics (NP) higher than other, more common, decays. Their experimental measurement is challenging, and their…

High Energy Physics - Experiment · Physics 2019-01-16 Michel De Cian , Sébastien Descotes-Genon , Karim Massri

Under the framework of soft-collinear effective theory, we analyze the charmless $B\to VV$ decays in a global way at leading power in $1/m_b$ and leading order in $\alpha_s$ with $V$ denoting a light vector meson. In the flavor SU(3)…

High Energy Physics - Phenomenology · Physics 2017-10-11 Chao Wang , Si-Hong Zhou , Ying Li , Cai-Dian Lu

Recently Belle collaboration reported new measurements for the branching fractions with the first observing two processes of $\mathcal{B}(\Xi_c^0\to\Lambda K^0_S)$, $\mathcal{B}(\Xi_c^0\to\Sigma^0 K^0_S)$ and updating data for…

High Energy Physics - Phenomenology · Physics 2022-04-13 Fei Huang , Zhi-Peng Xing , Xiao-Gang He

Charmless B hadrons decays offer rich opportunities to test the Standard Model. CP violation in charmless charged two-body and three-body B decays provides ways to measure the CKM angle $\gamma$ and to search for New Physics. Also,…

High Energy Physics - Experiment · Physics 2014-11-10 Marc Grabalosa Gándara

Semileptonic decays of $B$ mesons that proceed via $b\rightarrow u$ and $b\rightarrow c$ transitions, as well as rare leptonic $B$ decays, are fertile grounds for probing new physics beyond the Standard Model. The Belle II experiment…

High Energy Physics - Experiment · Physics 2023-03-06 Priyanka Cheema

We present recent results from the Belle experiment on rare hadronic B meson decays. The results are based on a 78 fb^{-1} data sample and consist of branching fractions, CP asymmetries, and polarization amplitudes. The decays studied…

High Energy Physics - Experiment · Physics 2009-11-10 A. J. Schwartz

Implications of recent CLEO measurements of hadronic charmless B decays are discussed.

High Energy Physics - Phenomenology · Physics 2016-11-23 Hai-Yang Cheng

We report recent observations of baryonic B decays with charmless and charmed baryons in the final state. We show the angular distributions of the di-baryon low-mass enhancements in the charmless three-body baryonic B decays andthe…

High Energy Physics - Experiment · Physics 2009-09-29 S. -W. Lin

We report the results of a search for the rare baryonic decays $B^0 \to p\bar{p}$, $\Lambda\bar{\Lambda}$, and $B^+ \to p\bar{\Lambda}$. The analysis is based on a data set of $31.7\times 10^6 B\bar{B}$ events collected by the Belle…

High Energy Physics - Experiment · Physics 2008-11-26 K. Abe , The Belle Collaboration

We use currently available data of nonleptonic charmless 2-body $B\to MM$ decays ($MM = PP, PV, VV$) that are mediated by $b\to (d, s)$ QCD- and QED-penguin operators to study weak annihilation and new-physics effects in the framework of…

High Energy Physics - Phenomenology · Physics 2014-09-12 Christoph Bobeth , Martin Gorbahn , Stefan Vickers
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