Zobrazeno 1 - 10
of 1 065
pro vyhledávání: '"Losada, Marta A."'
We explore the production of thermal dark matter (DM) candidates (WIMPs, SIMPs, ELDERs and Cannibals) during cosmic reheating. Assuming a general parametrization for the scaling of the inflaton energy density and the standard model (SM) temperature,
Externí odkaz:
http://arxiv.org/abs/2406.17039
We study the dominant signatures that arise in Higgs physics at colliders when extending the Standard Model (SM) with a Yukawa interaction to heavy neutral leptons (HNL), while suppressing their mixing to active neutrinos. We focus on the production
Externí odkaz:
http://arxiv.org/abs/2311.18033
The ATLAS Collaboration has recently reported a search for light-charged Higgs in $t\to H^+ b$ decay, with $H^+\to c\bar b$. An excess with a local significance of approximately $3\sigma$ is found at $m_{H^+}\approx130$ GeV, with a best-fit value of
Externí odkaz:
http://arxiv.org/abs/2307.11813
Scalar ultra-light dark matter (ULDM) interacting with neutrinos can induce, under certain conditions, time-dependent modifications to neutrino oscillation probabilities. The limit in which the ULDM perturbation can be treated as constant throughout
Externí odkaz:
http://arxiv.org/abs/2302.00005
If ultra-light dark matter (ULDM) exists and couples to neutrinos, the neutrino oscillation probability might be significantly altered by a parametric resonance. This resonance can occur if the typical frequency of neutrino flavor-oscillations $\Delt
Externí odkaz:
http://arxiv.org/abs/2205.09769
If ultra-light dark matter (ULDM) exists and couples to neutrinos, it can be discovered via time-periodic variations in the neutrino mass and mixing parameters. We analyze the current bounds on such a scenario and establish the sensitivity expected f
Externí odkaz:
http://arxiv.org/abs/2107.10865
We develop an efficient method for solving transport equations, particularly in the context of electroweak baryogenesis. It provides fully-analytical results under mild approximations and can also test semi-analytical results, which are applicable in
Externí odkaz:
http://arxiv.org/abs/2007.06940
We explore the implications of the Standard Model effective field theory (SMEFT) with dimension-six terms involving the Higgs boson and third-generation fermion fields on the rate of Higgs boson production and decay into fermions, on the electric dip
Externí odkaz:
http://arxiv.org/abs/2003.00099
Akademický článek
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Publikováno v:
Phys. Rev. Lett. 124, 181801 (2020)
The upper bounds from the ATLAS and CMS experiments on the decay rate of the Higgs boson to two muons provide the strongest constraint on an imaginary part of the muon Yukawa coupling. This bound is more than an order of magnitude stronger than bound
Externí odkaz:
http://arxiv.org/abs/1911.08495