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205 papers · 1 filter
Two-flavor chirally imbalanced quark matter beyond large
André G. da Silva, Dyana C. Duarte, Ricardo L. S. Farias +3
We investigate a chirally imbalanced medium in the context of the two-flavor Nambu--Jona-Lasinio model using both the large- (LN) and beyond large- (BLN) approximations.…
Vector dark matter with non-abelian kinetic mixing
Ana Luisa Foguel, Renata Zukanovich Funchal, Michele Frigerio
An appealing framework for dark matter is provided by light hidden sectors, below the electroweak scale, feebly coupled to the Standard Model via light mediators. We consider a min…
No room for minimal monopole dark matter
Felix Brümmer, Giacomo Ferrante, Théodore Fischer +1
The magnetic monopole of a dark sector has been advocated as an appealing dark matter candidate. We revisit the computation of the monopole abundance , generated by a thermal…
Scale dependence improvement of the quartic scalar field thermal effective potential in the optimized perturbation theory
Lucas G. Câmara, Marcus Benghi Pinto, Rudnei O. Ramos
Perturbation theory, as well as most thermal field resummation methods widely used to study finite-temperature quantum field theories, presents a non-negligible renormalization sca…
Comparing strange and non-strange quark stars within resummed QCD at NLO
Tulio E. Restrepo, Jean-Loïc Kneur, Constança Providência +1
We employ the renormalization group optimized perturbation theory (RGOPT) resummation method to evaluate the equation of state (EoS) for strange () and non-strange ($N_f=2…
Resonances all over the place?
Anirban Kundu, Poulami Mondal, Gilbert Moultaka
We provide a possible interpretation of excesses reported by ATLAS and CMS at around 95GeV, 650GeV and possibly 320GeV, in terms of CP-even scalars. In particular, the combined {\s…