Probing Majorana neutrinos in rare $K$ and $D$, ${D}_{s}$, $B$, ${B}_{c}$ meson decays

Probing Majorana neutrinos in rare $K$ and $D$ , $D_{s}$ , $B$ , $B_{c}$ meson decays

G. Cvetic, Claudio Dib, Sin Kyu Kang, and C. S. Kim

Phys. Rev. D 82, 053010 – Published 29 September 2010

Abstract

We study lepton number violating decays of charged $K$ , $D$ , $D_{s}$ , $B$ , and $B_{c}$ mesons of the form $M^{+} \to M^{' -} ℓ^{+} ℓ^{+}$ , induced by the existence of Majorana neutrinos. These processes provide information complementary to neutrinoless double nuclear beta decays, and are sensitive to neutrino masses and lepton mixing. We explore neutrino mass ranges $m_{N}$ from below 1 eV to several hundred GeV. We find that in many cases the branching ratios are prohibitively small, however in the intermediate range $m_{π} < m_{N} < m_{B_{c}}$ , in specific channels and for specific neutrino masses, the branching ratios can be at the reach of high luminosity experiments like those at the LHC- $b$ and future super flavor factories, and can provide bounds on the lepton mixing parameters.

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Received 31 May 2010

DOI:https://doi.org/10.1103/PhysRevD.82.053010

Authors & Affiliations

G. Cvetic^1,*, Claudio Dib^1,†, Sin Kyu Kang^2,‡, and C. S. Kim^3,§

¹Centro Cientifico y Tecnologico de Valparaiso and Department of Physics, Universidad Tecnica Federico Santa Maria, Valparaiso, Chile
²School of Liberal Arts, Seoul National University of Technology, Seoul 121-742, Korea
³Department of Physics and IPAP, Yonsei University, Seoul 120-749, Korea

^*[email protected]
^†[email protected]
^‡[email protected]
^§Corresponding author. [email protected]

$C P$ violation in lepton number violating semihadronic decays of $K, D, D_{s}, B, B_{c}$

Gorazd Cvetič, C. S. Kim, and Jilberto Zamora-Saá

Phys. Rev. D 89, 093012 (2014)

Rare decays of $B$ mesons via on-shell sterile neutrinos

Gorazd Cvetič and C. S. Kim

Phys. Rev. D 94, 053001 (2016)

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Issue

Vol. 82, Iss. 5 — 1 September 2010

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Physical Review D

covering particles, fields, gravitation, and cosmology