English
Related papers

Related papers: Radiative Penguin Decays

200 papers

In the past decade, electroweak penguin decays have provided a number of precision measurements, turning into one of the most competitive ways to search for New Physics that describe beyond the Standard Model phenomena. An overview of the…

High Energy Physics - Experiment · Physics 2022-09-29 Ulrik Egede , Shohei Nishida , Mitesh Patel , Marie-Hélène Schune

We report on preliminary results of searches for penguin mediated B decays based on 20.7 fb^{-1} of data collected at the Y(4S) peak with the BABAR detector at PEP-II. The following branching fractions have been measured: BR(B+ --> phi K+)…

High Energy Physics - Experiment · Physics 2007-05-23 Giampiero Mancinelli

We present prospects for the Belle II experiment to further elucidate the KM mechanism and beyond. Recent measurements of the CKM parameter, and the radiative and electroweak penguin decays are also reported.

High Energy Physics - Experiment · Physics 2024-01-17 Nanae Taniguchi

We present a preliminary measurement of the branching fraction of the exclusive penguin decay B^0 -> K^*0 gamma using (8.6+/-0.3) x 10^6 B-anti-B decays BF(B^0 -> K^*0 gamma) = (5.2+/-0.82 (stat.) +/- 0.47 (sys.)) x 10^-5. In addition we…

High Energy Physics - Experiment · Physics 2016-08-31 Colin Jessop

B physics results from the Belle experiment are reviewed. Precise measurements of Cabbibo-Kobayashi-Maskawa matrix elements are made. Several decay modes are observed which will enable us to measure the CP angles, phi_i in channels other…

High Energy Physics - Experiment · Physics 2010-11-23 The Belle Collaboration , Hiro Tajima

In this report, experimental prospects for the inclusive analysis of the radiative B decays and electroweak penguin decays at the super B factories are presented.

High Energy Physics - Experiment · Physics 2011-02-08 Shohei Nishida

Weak radiative baryonic B decays $B\to\B_1\ov \B_2\gamma$ mediated by the electromagnetic penguin process $b\to s\gamma$ have appreciable rates larger than their two-body counterparts $B\to\B_1\ov \B_2$. The branching ratios for…

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

We report on the results of penguin-mediated B decays at the Belle experiment. The analyses were based on approximately 32 million $B\bar{B}$ events collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB $e^+e^-$…

High Energy Physics - Experiment · Physics 2007-05-23 Akimasa Ishikawa

Weak radiative baryonic B decays $\bar B\to B_1\bar B_2\gamma$ mediated by the electromagnetic penguin process $b\to s\gamma$ are re-examined within the framework of the pole model. The meson pole contribution that has been neglected before…

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

We study B meson decays to two charmless baryons in the diquark model, including strong and electroweak penguins as well as the tree operators. It is shown that penguin operators can enhance $\bar{B} \to \Bb_s \bar{\Bb}$ considerably, but…

High Energy Physics - Phenomenology · Physics 2011-09-13 Chia-Hung V. Chang , Wei-Shu Hou

We review recent experimental results on Bd and Bs mesons decays by the BaBar and Belle experiments. These include measurements of the color-suppressed decays B0bar to D(*)0h0, h0=pi0, eta, etaprime, omega, observation of the baryonic decay…

High Energy Physics - Experiment · Physics 2012-05-17 Xavier Prudent

Recent BaBar results on rare B decays involving flavour-changing neutral currents or purely leptonic final states are presented. New measurements of the CP asymmetries in B -> K* gamma, B -> K*2(1430) gamma, and b -> s gamma are reported,…

High Energy Physics - Experiment · Physics 2007-05-23 Eugenio Paoloni

Latest experimental progress is reviewed on the searches for physics beyond the Standard Model using the radiative and electroweak penguin decays of B mesons. This review covers inclusive and exclusive measurements of the b --> s gamma, b…

High Energy Physics - Experiment · Physics 2007-05-23 Mikihiko Nakao

The status of exclusive two-body and three-body baryonic B decays is reviewed. The threshold peaking effect in baryon pair invariant mass is stressed and explained. Weak radiative baryonic B decays mediated by the electromagnetic penguin…

High Energy Physics - Phenomenology · Physics 2007-05-23 Hai-Yang Cheng

Analysis of charged and neutral B meson decays into pi+ pi- K, K+ K- K and K0S K0S K0S is performed using a unitary representation of the pi pi and K anti- K final state interactions. Comparison of the theoretical model with the…

High Energy Physics - Phenomenology · Physics 2015-06-25 L. Lesniak , A. Furman , R. Kaminski , B. El-Bennich , B. Loiseau

An overview of the measurements of b->s\gamma, b->d\gamma and b->sll penguin transitions at the B Factories is presented.

High Energy Physics - Experiment · Physics 2009-09-29 V. E. Ozcan

Knowing the mass of the b-quark is essential to the study of the structure and decays of B mesons as well as to future tests of the Higgs mechanism of mass generation. We present recent preliminary measurements of the b-quark mass and…

High Energy Physics - Experiment · Physics 2019-08-13 Kerstin Tackmann

We review recent experimental results on B meson decays. These include measurements of the inclusive production of charmed and non-charmed mesons and baryons, the reconstruction of a large number of exclusive hadronic final states with…

High Energy Physics - Phenomenology · Physics 2016-11-03 Thomas E. Browder , Klaus Honscheid , Stephen Playfer

Rare hadronic B-meson decays allow us to study CP violation. The class of B decays final states containing two vector mesons provides a rich set of angular correlation observables to study. This article reviews some of the recent…

High Energy Physics - Experiment · Physics 2007-05-23 A. J. Bevan

We report on new results on $B \to K^* \gamma$ and recent studies on $B \to K^* \ell^+ \ell^-$ and $B \to h \nu \bar{\nu}$ at Belle at KEKB accelerator. All the analyses used full data sample of 711~fb${}^{-1}$ taken on $\Upsilon(4S)$…

High Energy Physics - Experiment · Physics 2017-10-10 Akimasa Ishikawa