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Beaujean F, Bobeth C, van Dyk D. Comprehensive Bayesian analysis of rare (semi)leptonic and radiative [Formula: see text] decays. Eur Phys J C Part Fields. 2014;74(6):2897doi: 10.1140/epjc/s10052-014-2897-0.
Beaujean, F., Bobeth, C., & van Dyk, D. (2014). Comprehensive Bayesian analysis of rare (semi)leptonic and radiative [Formula: see text] decays. The European physical journal. C, Particles and fields, 74(6), 2897. https://doi.org/10.1140/epjc/s10052-014-2897-0
Beaujean, Frederik, et al. "Comprehensive Bayesian analysis of rare (semi)leptonic and radiative [Formula: see text] decays." The European physical journal. C, Particles and fields vol. 74,6 (2014): 2897. doi: https://doi.org/10.1140/epjc/s10052-014-2897-0
Beaujean F, Bobeth C, van Dyk D. Comprehensive Bayesian analysis of rare (semi)leptonic and radiative [Formula: see text] decays. Eur Phys J C Part Fields. 2014;74(6):2897. doi: 10.1140/epjc/s10052-014-2897-0. Epub 2014 Jun 03. PMID: 25814894; PMCID: PMC4371054.
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Eur Phys J C Part Fields. 2014;74(6):2897. doi: 10.1140/epjc/s10052-014-2897-0. Epub 2014 Jun 03.

Comprehensive Bayesian analysis of rare (semi)leptonic and radiative [Formula: see text] decays.

The European physical journal. C, Particles and fields

Frederik Beaujean, Christoph Bobeth, Danny van Dyk

Affiliations

  1. C2PAP, Universe Cluster, Ludwig-Maximilians-Universität München, Garching, Germany.
  2. Universe Cluster and Institute for Advanced Study, Technische Universität München, Garching, Germany.
  3. Theoretische Elementarteilchenphysik, Universität Siegen, Siegen, Germany.

PMID: 25814894 PMCID: PMC4371054 DOI: 10.1140/epjc/s10052-014-2897-0

Abstract

The available data on [Formula: see text] decays are in good agreement with the Standard Model when permitting subleading power corrections of about [Formula: see text] at large hadronic recoil. Constraining new-physics effects in [Formula: see text], [Formula: see text], [Formula: see text], the data still demand the same size of power corrections as in the Standard Model. In the presence of chirality-flipped operators, all but one of the power corrections reduce substantially. The Bayes factors are in favor of the Standard Model. Using new lattice inputs for [Formula: see text] form factors and under our minimal prior assumption for the power corrections, the favor shifts toward models with chirality-flipped operators. We use the data to further constrain the hadronic form factors in [Formula: see text] and [Formula: see text] transitions.

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