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Related papers: Radiative Penguin decays at Belle

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We present measurements on penguin dominated B decays which are sensitive to new physics, such as CP-violation parameters and branching fractions in $b \to s q\bar{q}$ and $b \to d q\bar{q}$ gluonic and radiative decays using a large sample…

High Energy Physics - Experiment · Physics 2019-08-13 Y. Yusa

In this proceeding, we report the recent measurements of time-dependent CP violation in B meson decays from the Belle Collaboration. The Belle experiment stopped operation in June 2010 and collected nearly 772 x 10^6 B B-bar pairs at the…

High Energy Physics - Experiment · Physics 2019-08-13 H. Sahoo

We report searches for the radiative penguin decays Bs to phi gamma and Bs to gamma gamma based on a 23.6 fb-1 data sample collected with the Belle detector at the KEKB e+e- energy-asymmetric collider operating at the Upsilon(5S) resonance.

High Energy Physics - Experiment · Physics 2008-11-26 J. Wicht

We report recent results obtained with the Belle detector using a 23.6 fb^{-1} data sample collected on the Y(5S) resonance at the KEKB asymmetric energy e^+ e^- collider. Inclusive semileptonic B_s^0 -> X^+ l^- \nu decays are studied for…

High Energy Physics - Experiment · Physics 2008-11-26 A. Drutskoy

We search for the radiative penguin decays B_s to phi gamma and B_s to gamma gamma in a 23.6 fb-1 data sample collected at the Upsilon(5S) resonance with the Belle detector at the KEKB e+e- asymmetric-energy collider. We observe for the…

High Energy Physics - Experiment · Physics 2008-11-26 Belle Collaboration , J. Wicht

We present recent results for radiative and electroweak penguin decays of $B$ me son at Belle. Measurements of differential branching fraction, isospin asymmetr y, $K^*$ polarization, and forward-backward asymmetry as functions of $q^2$ for…

High Energy Physics - Experiment · Physics 2009-06-01 Nanae Taniguchi , for Belle Collaboration

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

We report on the measurement of the decay $B\to K^{\star}\gamma$, lepton-flavor dependent angular analysis of the decay $B\to K^{\star}\ell\ell$, and search for the decays $B\to h\nu\nu$. All these analyses are performed on the 711…

High Energy Physics - Experiment · Physics 2017-09-12 S. Sandilya

We report the recent measurements performed using the data sample collected from 2019 to 2022 by the Belle~II experiment~\cite{Belle2:TDR} at $\Upsilon(4S)$ resonance, corresponding to an integrated luminosity of $362~\mathrm{fb}^{-1}$. We…

High Energy Physics - Experiment · Physics 2023-05-15 Valerio Bertacchi

We report improved measurements of branching fractions for B -> K pi and B -> pi pi decays based on a data sample of 449 million B Bbar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB e^+e^- collider. We…

High Energy Physics - Experiment · Physics 2019-08-14 S. -W. Lin , P. Chang

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

In this proceeding, we discuss recent results on exclusive radiative B meson decays from the Belle Collaboration. These decays are sensitive to right-handed currents from New Physics. In particular, we measure time-dependent CP violation…

High Energy Physics - Experiment · Physics 2019-08-13 H. Sahoo

We present a measurement of CP-violation parameters in the b->sq q penguin transitions (q=s,u,d) based on a 78/fb data sample collected at the Y(4S) resonance with the Belle detector at the KEKB energy-asymmetric e+e- collider. One neutral…

High Energy Physics - Experiment · Physics 2010-04-06 K. Abe

$B$-meson decays involving radiative and electroweak penguin processes are sensitive probes to new physics beyond the standard model. The Belle experiment recently reported measurements of the inclusive radiative decay $B \to X^{}_{s}…

High Energy Physics - Experiment · Physics 2018-10-11 S. Sandilya

Decays of $B$ mesons involving the transition of a $b$ quark into an $s$ quark are good probes of physics beyond the standard model. Such decays are studied at the Belle II experiment, a detector located along the SuperKEKB…

High Energy Physics - Experiment · Physics 2023-05-18 Cyrille Praz

We report the measurements of electroweak penguin processes b->d,s gamma and b->sl+l- at the Belle experiment. The analyses are based on 152 million BB-bar events collected at the Upsilon(4S) resonance with the Belle detector at the KEKB…

High Energy Physics - Experiment · Physics 2019-08-14 M. Iwasaki

We present new measurements of CP-violation parameters in B0 -> KsKsKs and Ks pi0 gamma decays based on a sample of 275 x 10^6 BBbar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB energy-asymmetric e+e-…

High Energy Physics - Experiment · Physics 2019-08-14 K. Abe

We report on recent results on radiative and electroweak penguin B decays at Belle at KEKB accelerator.

High Energy Physics - Experiment · Physics 2016-09-15 Akimasa Ishikawa

The Belle and Belle~II experiments have accumulated a data set of $1.2~\mathrm{ab}^{-1}$ of $e^+e^- \to B\bar{B}$ collisions at the $\Upsilon(4S)$ resonance. Owing to the clean event environment and well-constrained initial-state…

High Energy Physics - Experiment · Physics 2026-02-03 Meihong Liu

Recent results obtained using the data sample collected on the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e^+ e^- collider and the Babar detector at the PEP-II asymmetric-energy e^+ e^- collider are…

High Energy Physics - Experiment · Physics 2009-06-02 Y. W. Chang
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