Zobrazeno 1 - 10
of 285
pro vyhledávání: '"Choi, Kiwoon"'
Autor:
Choi, Kiwoon, Righi, Nicole
Axions are light pseudoscalar bosons postulated with many motivations in particle physics and cosmology, including the strong CP problem and the dark matter in our Universe. In this lecture notes, we discuss a variety of known ultraviolet (UV) theori
Externí odkaz:
http://arxiv.org/abs/2401.17354
Publikováno v:
JHEP 04 (2024) 007
In some models of physics beyond the Standard Model (SM), one of the leading low energy consequences of the model appears in the form of the chromo-electric dipole moments (CEDMs) of the gluons and light quarks. We examine if these CEDMs can be disti
Externí odkaz:
http://arxiv.org/abs/2308.01090
Publikováno v:
JHEP 2302:180, 2023
Cosmological evolution of axion field in the early universe might be significantly affected by a thermal friction induced by the axion coupling to thermalized hidden sector. We examine the effects of such a thermal friction on axion dark matter densi
Externí odkaz:
http://arxiv.org/abs/2206.01462
Publikováno v:
JHEP 02 (2022) 143
We examine the axion emission from supernovae with a complete set of relevant axion couplings including the axion-pion-nucleon contact interaction which was ignored in the previous studies. Two processes are affected by the axion-pion-nucleon contact
Externí odkaz:
http://arxiv.org/abs/2110.01972
Publikováno v:
JHEP 2108:058, 2021
We study the renormalization group running of axion couplings while taking into account that the Standard Model can be extended to its supersymmetric extension at a certain energy scale below the axion decay constant. We then apply our results to thr
Externí odkaz:
http://arxiv.org/abs/2106.05816
Publikováno v:
Annual Review of Nuclear and Particle Science, Vol. 71:225-252 (2021)
The axion is a light pseudoscalar particle postulated to solve issues with the Standard Model, including the strong CP problem and the origin of dark matter. In recent years, there has been remarkable progress in the physics of axions in several dire
Externí odkaz:
http://arxiv.org/abs/2012.05029
Publikováno v:
Phys. Rev. D 102, 075024 (2020)
We examine the resonant conversion of axion-like particle (ALP) or dark photon to the electromagnetic photon in the early Universe, which takes place due to the ALP-photon-dark photon oscillations in background dark photon gauge fields. It is noted t
Externí odkaz:
http://arxiv.org/abs/1911.00532
We study the axion field range and low energy couplings in models with St\"uckelberg mixing between axions and $U(1)$ gauge bosons. It is noted that the gauge-invariant axion combination $\xi$ in the model is periodic $modulo$ an appropriate shift of
Externí odkaz:
http://arxiv.org/abs/1909.11685
Publikováno v:
Eur.Phys.J. C79 (2019) no.11, 956
Physics beyond the Standard Model (SM) may manifest itself as small deviations from the SM predictions for Higgs signal strengths at 125 GeV. Then, a plausible and interesting possibility is that the Higgs sector is extended and at the weak scale the
Externí odkaz:
http://arxiv.org/abs/1906.03389
The dS swampland conjecture $|\nabla V|/V \geq c$, where $c$ is presumed to be a positive constant of order unity, implies that the dark energy density of our Universe can not be a cosmological constant, but mostly the potential energy of an evolving
Externí odkaz:
http://arxiv.org/abs/1809.01475