Exclusive measurements of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>b</mml:mi><mml:mo>→</mml:mo><mml:mi>s</mml:mi><mml:mi>γ</mml:mi></mml:math>transition rate and photon energy spectrum

Lees, J. P.; Poireau, V.; Tisserand, V.; Ticó, J. Garra; Graugés, E.; Palano, A.; Eigen, G.; Stugu, B.; Brown, D. N.; Kerth, L. T.; Kolomensky, Yu. G.; Lynch, G.; Koch, H.; Schroeder, T. Vazquez; Asgeirsson, D. J.; Hearty, C.; Mattison, T. S.; McKenna, J. A.; Khan, A.; Blinov, V. E.; Buzykaev, A. R.; Druzhinin, V. P.; Голубев, В. Б.; Kravchenko, E. A.; Onuchin, A. P.; Serednyakov, S. I.; Skovpen, Yu. I.; Solodov, E. P.; Todyshev, K. Yu; Yushkov, A. N.; Bondioli, M.; Kirkby, D.; Lankford, A. J.; Mandelkern, M.; Atmacan, H.; Gary, J. W.; Liu, F.; Long, O.; Vitug, G. M.; Campagnari, C.; Hong, T. M.; Kovalskyi, D.; Richman, J. D.; West, C.; Eisner, A. M.; Kroseberg, J.; Lockman, W. S.; Martínez, A. J.; Schumm, B. A.; Seiden, A.; Chao, D. S.; Cheng, C. H.; Doll, D. A.; Echenard, B.; Flood, K. T.; Hitlin, D. G.; Ongmongkolkul, P.; Porter, F. C.; Rakitin, A. Y.; Andreassen, R.; Huard, Z.; Meadows, B.; Sokoloff, M. D.; Sun, L.; Bloom, P. C.; Ford, W. T.; Gaz, A.; Nauenberg, U.; Smith, J. 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doi:10.1103/physrevd.86.052012

Cited by 72 publications

(46 citation statements)

References 32 publications

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“…Since heavy unobserved particles might enter in the loop, such decays are sensitive to new physics (NP). Precision measurements of the branching fraction for B → X s γ by CLEO [1], BABAR [2][3][4] and Belle [5,6] are consistent with SM predictions [7,8] and give a strong constraint to NP models [9]. Another important observable that is sensitive to NP signatures in the b → sγ process is the photon polarization.…”

Section: Introductionsupporting

confidence: 55%

Measurement of time-dependent CP asymmetries in B0→KS<

Nakano¹,

Ishikawa²,

Sumisawa³

et al. 2018

Phys. Rev. D

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We report a measurement of time-dependent CP violation parameters in B 0 → K 0 S ηγ decays. The study is based on a data sample, containing 772 × 10 6 BB pairs, that was collected at the ϒð4SÞ resonance with the Belle detector at the KEKB asymmetric-energy e þ e − collider. We obtain the CP violation parameters of S ¼ −1.32 AE 0.77ðstatÞ AE 0.36ðsystÞ and A ¼ −0.48 AE 0.41ðstatÞ AE 0.07ðsystÞ for the invariant mass of the K 0 S η system up to 2.1 GeV=c 2 .

show abstract

Section: Introductionsupporting

confidence: 55%

Measurement of time-dependent CP asymmetries in B0→KS<

Nakano¹,

Ishikawa²,

Sumisawa³

et al. 2018

Phys. Rev. D

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“…Measurements of its CP-and isospin-averaged branching ratio B sγ at the Υ(4S) experiments, namely CLEO [1], Belle [2,3] and Babar [4][5][6][7], contribute to the following world average 1 [8] (1.1)…”

Section: Introductionmentioning

confidence: 99%

The (Q7, Q1,2) contribution to B ¯ → X s γ $$ \overline{B}\to {X}_s\gamma $$ at O α s 2 $$ \mathcal{O}\left({\alpha}_{\mathrm{s}}^2\right) $$

Czakon

Fiedler

Huber

et al. 2015

J. High Energ. Phys.

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Interference between the photonic dipole operator Q 7 and the current-current operators Q 1,2 gives one of the most important QCD corrections to theB → X s γ decay rate. So far, the O α 2 s part of this correction has been known in the heavy charm quark limit only (m c ≫ m b /2). Here, we evaluate this part at m c = 0, and use both limits in an updated phenomenological study. Our prediction for the CP-and isospin-averaged branching ratio in the Standard Model reads B SM sγ = (3.36±0.23)×10 −4 for E γ > 1.6 GeV.

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“…FlavBit includes the average [78] of the measurements of B → X s γ from BaBar [113][114][115] and Belle [116,117] for E γ > 1.6 GeV,…”

Section: Rare Radiative B Decay Likelihoodmentioning

confidence: 99%

FlavBit: a GAMBIT module for computing flavour observables and likelihoods

Bernlochner¹,

Chrząszcz²,

Dal³

et al. 2017

Eur. Phys. J. C

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Flavour physics observables are excellent probes of new physics up to very high energy scales. Here we present FlavBit, the dedicated flavour physics module of the globalfitting package GAMBIT. FlavBit includes custom implementations of various likelihood routines for a wide range of flavour observables, including detailed uncertainties and correlations associated with LHCb measurements of rare, leptonic and semileptonic decays of B and D mesons, kaons and pions. It provides a generalised interface to external theory codes such as SuperIso, allowing users to calculate flavour observables in and beyond the Standard Model, and then test them in detail against all relevant experimental data. We describe FlavBit and its constituent physics in some detail, then give examples from supersymmetry and effective field theory illustrating how it can be used both as a standalone library for flavour physics, and within GAMBIT.

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Exclusive measurements ofb→sγtransition rate and photon energy spectrum

Cited by 72 publications

References 32 publications

Measurement of time-dependent CP asymmetries in B0→KS<

Measurement of time-dependent CP asymmetries in B0→KS<

The (Q7, Q1,2) contribution to B ¯ → X s γ $$ \overline{B}\to {X}_s\gamma $$ at O α s 2 $$ \mathcal{O}\left({\alpha}_{\mathrm{s}}^2\right) $$

FlavBit: a GAMBIT module for computing flavour observables and likelihoods

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