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pro vyhledávání: '"Schumacher, Erik"'
Autor:
Schumacher, Erik.
We study theoretically the diffraction of atoms by a standing-wave light field. Conceptually the text is divided into two parts. In the first part we deal with the coherent interaction only. We use a band theoretical approach to describe the laser-at
Externí odkaz:
http://hdl.handle.net/10150/185757
Autor:
Päs, Heinrich, Schumacher, Erik
Publikováno v:
Phys. Rev. D 92, 114025 (2015)
The same leptoquarks that explain the recently observed anomaly in $R_K$ can generate naturally small Majorana neutrino masses at one-loop level through mixing with the standard model Higgs boson. This is particularly relevant in models with at least
Externí odkaz:
http://arxiv.org/abs/1510.08757
Publikováno v:
Phys. Rev. D 91, 116011 (2015)
Lepton flavor violating Higgs decays can arise in flavor symmetry models where the Higgs sector is responsible for both the electroweak and the flavor symmetry breaking. Here we advocate an $S_4$ three-Higgs-doublet model where tightly constrained fl
Externí odkaz:
http://arxiv.org/abs/1408.1652
We propose a model based on the $SU(5)$ grand unification with an extra $A_{4}\otimes Z_{2}\otimes Z_{2}^{\prime }\otimes Z_{2}^{\prime \prime}\otimes U\left( 1\right) _{f}$ flavor symmetry, which accounts for the pattern of the SM fermion masses and
Externí odkaz:
http://arxiv.org/abs/1403.2525
Autor:
Päs, Heinrich, Schumacher, Erik
Publikováno v:
Phys. Rev. D 89, 096010 (2014)
We discuss neutrino masses and mixing in the context of seesaw type I models with three right-handed Majorana neutrinos and an approximately diagonal Dirac sector. This ansatz is motivated by the idea that the flavor structure in the right-handed Maj
Externí odkaz:
http://arxiv.org/abs/1401.2328
Akademický článek
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Autor:
van Oudheusden, Jan, Schumacher, Erik, Somers, Erik, Kok, René, Jacobs, Femke, Gijsbers, Harco, Somers, Maria
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=narcis______::1abef900e013de3dd217a1a50f8e4cb1
https://pure.knaw.nl/portal/en/publications/1dd0fe5d-c323-433d-a264-63dda5768a0d
https://pure.knaw.nl/portal/en/publications/1dd0fe5d-c323-433d-a264-63dda5768a0d
Autor:
Schumacher, Erik
In this thesis we link the recent anomalies reported in B meson and Higgs boson decays to the smallness of neutrino masses and aspects of the flavor puzzle, including the hierarchy of the Yukawa couplings and the disparate fermion mixings. By formula
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::026d526bbd856b6df37f632c5eb423da
Autor:
P��s, Heinrich, Schumacher, Erik
We discuss neutrino masses and mixing in the context of seesaw type I models with three right-handed Majorana neutrinos and an approximately diagonal Dirac sector. This ansatz is motivated by the idea that the flavor structure in the right-handed Maj
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3885d188c83714d801293daed45a96cd
http://arxiv.org/abs/1401.2328
http://arxiv.org/abs/1401.2328