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Loop corrections to sub-leading heavy quark currents in SCET
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We compute the one-loop (hard) matching correction to heavy-to-light transition currents in soft-collinear effective theory (SCET) to sub-leading power in the SCET expansion parameter for an arbitrary Dirac structure of the QCD weak current.
Forward citations
Cited by 5 Pith papers
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The Simplest B Decay, Precisely
A complete QCD×QED, next-to-leading-power factorization now gives a percent-level prediction for B⁻→μ⁻ν̄(γ) with all structure-dependent electromagnetic corrections included.
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One-loop matching of QCD currents to power-suppressed two-jet operators
Computes NLO matching of QCD currents to power-suppressed two- and three-particle two-jet operators in SCET up to O(λ²), with endpoint factorization relations shown.
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Soft Collinear Effective Theory for Heavy QCD Axions
A new dimension-seven operator is generated by the gluon equation of motion in the presence of the axion-gluon coupling, and its spectator-scattering contribution to B to K a is roughly 25 percent of the soft-overlap ...
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Precision calculations of $B\to K^*$ form factors from SCET sum rules beyond leading-power contributions
New subleading-power corrections to B to K* form factors from SCET sum rules yield SM branching fractions BR(Bbar0 to Kbar*0 nu nubar)=8.09(96)e-6 and F_L=0.44(4).
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Radiative B to tensor meson decays at NLO in SCET
An NLO SCET calculation predicts B(B to K2*(1430) gamma) = (16.7 ± 6.4 ± 1.2) × 10^-6, close to the experimental average, with much smaller predictions for the a2 and f2 modes.
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