Thermal history of composite dark matter

Dondi, Nicola Andrea; Sannino, Francesco; Smirnov, Juri

doi:10.1103/physrevd.101.103010

Cited by 38 publications

(27 citation statements)

References 93 publications

(151 reference statements)

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“…Pions are generally produced through matter annihilations such as p p, N N, and ee + , which undergo transition from baryon structures to mesons. This is an interesting phenomenon in low energy hadron physics [70,71]. Pions have a flavour structure and other quantum numbers that permit us to classify them as bound states of quark and an antiquark.…”

Section: Confinement Effective Masses Gluon Condensation and Dual Superconductivitymentioning

confidence: 99%

An Effective Model for Glueballs and Dual Superconductivity at Finite Temperature

Issifu

Brito

2021

Advances in High Energy Physics

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The glueballs lead to gluon and QCD monopole condensations as by-products of color confinement. A color dielectric function G ∣ ϕ ∣ coupled with a Abelian gauge field is properly defined to mediate the glueball interactions at confining regime after spontaneous symmetry breaking (SSB) of the gauge symmetry. The particles are expected to form through the quark-gluon plasma (QGP) hadronization phase where the free quarks and gluons start clamping together to form hadrons. The QCD-like vacuum η 2 m η 2 F μ ν F μ ν , confining potential V c r , string tension σ , penetration depth λ , superconducting and normal monopole densities ( n s n n ), and the effective masses ( m η 2 and m A 2 ) will be investigated at finite temperature T . We also calculate the strong “running” coupling α s and subsequently the QCD β -function. The dual superconducting nature of the QCD vacuum will be investigated based on monopole condensation.

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Section: Confinement Effective Masses Gluon Condensation and Dual Superconductivitymentioning

confidence: 99%

An Effective Model for Glueballs and Dual Superconductivity at Finite Temperature

Issifu

Brito

2021

Advances in High Energy Physics

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“…Let us first consider the production of a weakly coupled DS. An example of such realization can be a non-abelian gauge theory of gluons and fermions as discussed in [5,17,23]. At energies or temperatures larger than the confinement scale the sector is approximately a free field theory of massless particles so one could directly obtain the freeze-in production computing the cross-section with standard Feynman diagrams [24].…”

Section: Weakly Coupled Dark Sectormentioning

confidence: 99%

General freeze-in and freeze-out

Redi

Tesi

2021

J. High Energ. Phys.

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We use the framework of relativistic and non-relativistic conformal field theories (CFT) to derive general results relevant for the production of weakly coupled and strongly coupled dark sectors through thermal interactions. Our result reproduce trivially known formulas for 2 → n processes and extend to general m → n processes as well as interacting dark sectors. As concrete examples we consider freeze-in of a relativistic CFT coupled to the SM with contact interactions and derive Sommerfeld enhancement of non-relativistic cross-sections from the theory of fermions at unitarity.

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“…Clearly, such NG bosons are too heavy for a conventional freeze-out at the measured value of DM number density [42] (for freeze-out production in the presence of a hidden strongly interacting sector, see [43,44]). The situation at hand is actually very similar to that considered in Refs.…”

Section: Dark Matter and Freeze-inmentioning

confidence: 99%

Heavy dark matter, neutrino masses, and Higgs naturalness from a strongly interacting hidden sector

2020

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We consider the extension of the Standard Model (SM) with a strongly interacting QCD-like hidden sector, at least two generations of right-handed neutrinos, and one scalar singlet. Once the scalar singlet obtains a nonzero vacuum expectation value, active neutrino masses are generated through a type-I seesaw mechanism. Simultaneously, the electroweak scale is generated through the radiative corrections involving these massive fermions. This is the essence of the scenario that is known as the "neutrino option" for which the successful masses of right-handed neutrinos are in the range 10 7-10 8 GeV. The main goal of this work is to scrutinize the potential to accommodate dark matter in such a realization. The dark matter candidates are Nambu-Goldstone bosons which appear due to the dynamical breaking of the hidden chiral symmetry. The mass spectrum studied in this work is such that masses of Nambu-Goldstone bosons and the singlet scalar exceed those of right-handed neutrinos. Having the masses of all relevant particles several orders of magnitude above OðTeVÞ, the freeze-out of dark matter is not achievable, and, hence, we turn to alternative scenarios, namely, freeze-in. The Nambu-Goldstone bosons can interact with particles that are not in the SM but, however, have non-negligible abundance through their not-too-small couplings with the SM. Utilizing this, we demonstrate that the dark matter in the model is successfully produced at a temperature scale where the right-handed neutrinos are still stable. We note that the lepton number asymmetry sufficient for the generation of observable baryon asymmetry of the Universe can be produced in right-handed neutrino decays. Hence, we infer that the model has the potential to simultaneously address several of the most relevant puzzles in contemporary high-energy physics.

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Thermal history of composite dark matter

Cited by 38 publications

References 93 publications

An Effective Model for Glueballs and Dual Superconductivity at Finite Temperature

An Effective Model for Glueballs and Dual Superconductivity at Finite Temperature

General freeze-in and freeze-out

Heavy dark matter, neutrino masses, and Higgs naturalness from a strongly interacting hidden sector

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