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Tau longitudinal polarization in B -> D tau nu and its role in the search for charged Higgs boson

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arxiv 1005.4306 v3 pith:23WCZFVI submitted 2010-05-24 hep-ph

Tau longitudinal polarization in B -> D tau nu and its role in the search for charged Higgs boson

classification hep-ph
keywords polarizationbosonchargeddecayhiggslongitudinalrolesearch
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study the longitudinal polarization of the tau lepton in B -> D tau nu decay. After discussing possible sensitivities of tau decay modes to the tau polarization, we examine the effect of charged Higgs boson on the tau polarization in B -> D tau nu. We find a relation between the decay rate and the tau polarization, and clarify the role of the tau polarization measurement in the search for the charged Higgs boson.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Null Tests and Lepton Universality in $\Xi_{cc}$ Baryon Decays

    hep-ph 2026-04 unverdicted novelty 6.0

    Doubly charmed baryon decays provide symmetry-protected null tests for nonfactorizable QCD and lepton-universality ratios sensitive to new physics at multi-TeV scales.

  2. Lifting Effective-Field-Theory Degeneracies in Semileptonic Heavy-Baryon Decays

    hep-ph 2026-06 unverdicted novelty 5.0

    Tau polarization in baryonic semileptonic decays supplies the leading sensitivity to lift EFT degeneracies unresolved by meson measurements in b to c tau nu transitions.