Zobrazeno 1 - 10
of 428
pro vyhledávání: '"P. MESCIA"'
We revisit and update the axion-induced pair production process in a nuclear electric field mediated by the axion-electron coupling, $a+{{}^{A}_{Z}X} \rightarrow {{}^{A}_{Z}X} + e^{+} + e^{-}$. This process emerges as one of the most efficient channe
Externí odkaz:
http://arxiv.org/abs/2411.19327
Nucleophobic axion models, wherein axion couplings to both protons and neutrons are simultaneously suppressed, can relax the stringent constraints from SN 1987A. However, it remains uncertain whether these models maintain their nucleophobic property
Externí odkaz:
http://arxiv.org/abs/2410.04613
Publikováno v:
JHEP 11 (2024) 114
Minimal Flavor Violation (MFV) offers an appealing framework for exploring physics beyond the Standard Model. Interestingly, within the MFV framework, a new colorless field that transforms non-trivially under a global ${\rm SU}(3)^3$ quark flavor gro
Externí odkaz:
http://arxiv.org/abs/2408.16812
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 11, Pp 1-43 (2024)
Abstract Minimal Flavor Violation (MFV) offers an appealing framework for exploring physics beyond the Standard Model. Interestingly, within the MFV framework, a new colorless field that transforms non-trivially under a global SU(3)3 quark flavor gro
Externí odkaz:
https://doaj.org/article/2989645857aa4413a2542e8a319038b8
Publikováno v:
JCAP02(2024)005
We perform a comprehensive study of the Direct Detection phenomenology of singlet Dark Matter $t$-channel portal models. For that purpose, we present a complete one-loop matching onto a Heavy Dark-Matter Effective Field Theory, leading to a complete
Externí odkaz:
http://arxiv.org/abs/2309.07896
Autor:
Di Luzio, Luca, Giannotti, Maurizio, Mescia, Federico, Nardi, Enrico, Okawa, Shohei, Piazza, Gioacchino
Publikováno v:
Phys.Rev.D 108 (2023) 11, 115004
We study the impact of renormalization group effects on QCD axion phenomenology. Focusing on the DFSZ model, we argue that the relevance of running effects for the axion couplings crucially depends on the scale where the heavier Higgs scalars are int
Externí odkaz:
http://arxiv.org/abs/2305.11958
Loss of unitarity in an effective field theory is often cured by the appearance of dynamical resonances, revealing the presence of new degrees of freedom. These resonances may manifest themselves when suitable unitarization techniques are implemented
Externí odkaz:
http://arxiv.org/abs/2305.03622
In this work we explore in detail the presence of scalar resonances in $WW$ fusion process in the context of the LHC experiments working in the theoretical framework provided by Higgs Effective Field Theories (HEFT). While the phenomenology of vector
Externí odkaz:
http://arxiv.org/abs/2301.13030
Publikováno v:
JHEP03(2023)234
There are two tensions related to the Cabibbo angle of the CKM matrix. First, the determinations of $V_{us}$ from $K_{\mu 2}$, $K_{\ell3}$, and $\tau$ decays disagree at the $3\sigma$ level. Second, using the average of these results in combination w
Externí odkaz:
http://arxiv.org/abs/2212.06862
Publikováno v:
Phys. Rev. D 106, 055016 (2022)
It has been recently pointed out that in certain axion models it is possible to suppress simultaneously both the axion couplings to nucleons and electrons, realising the so-called astrophobic axion scenarios, wherein the tight bounds from SN1987A and
Externí odkaz:
http://arxiv.org/abs/2205.15326