New Physics in $s\to u\ell^-\bar\nu$: Interplay between semileptonic kaon and hyperon decays

González-Alonso, Martín; Martin Camalich, Jorge

New Physics in $s\to u\ell^-\bar\nu$ : Interplay between semileptonic kaon and hyperon decays

Jun 20, 2016

9 pages

e-Print:

1606.06037 [hep-ph]

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Abstract: (arXiv)

We review a novel model-independent approach to the analysis of new-physics effects in the

s\to u\ell^-\bar\nu

transitions. We apply it to (semi)leptonic kaon decays and study their complementarity with pion and hyperon

\beta

decays or with collider searches of new physics.

Note:

Contribution to the NA62 Physics Handbook. It summarizes the analysis presented in arXiv:1605.07114 and discusses in more detail the interplay between $K_{\mu3}$ and semileptonic hyperon decays as new-physics probes

double-beta decay: (0neutrino)
semileptonic decay
hyperon: decay
K: decay
perturbation theory: chiral
effective Lagrangian
CKM matrix
new physics

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Figures(3)

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New Physics in s→uℓ−νˉs\to u\ell^-\bar\nus→uℓ−νˉ: Interplay between semileptonic kaon and hyperon decays

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New Physics in $s\to u\ell^-\bar\nu$ : Interplay between semileptonic kaon and hyperon decays