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B semileptonic moments at NNLO

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arxiv 1107.3100 v1 pith:TCDGJMXC submitted 2011-07-15 hep-ph hep-ex

classification hep-phhep-ex
keywords momentsalphascalculationenergyleptonsemileptonicarbitrarybeta0
verification ladder T0 review T1 audit T2 compute T3 formal
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The calculation of the moments in inclusive B meson semileptonic decays is upgraded to O(alphas^2). The first three moments of the lepton energy and invariant hadronic mass distributions are computed for arbitrary cuts on the lepton energy and in various renormalization schemes, finding in general small deviations from the O(alphas^2 beta0) calculation. I also review the relation between MSbar and kinetic heavy quark masses.

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Cited by 1 Pith paper

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  1. Kinematic Moments of $\bar{B}\to X_c \ell \bar{\nu}_\ell$ to Order $\mathcal{O}(\Lambda_{\rm QCD}^5/m_b^5)$

    hep-ph 2025-01 conditional novelty 6.0 of 10

    Analytic HQE moments for inclusive B to X_c l nu are extended to O(Lambda^5/m_b^5), including q^2 moments with a lepton-energy cut, and a CLEO data tension is identified.

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