Built on

A. Alloul, N. D. Christensen, C. Degrande, C. Duhr, and B. Fuks, “FeynRules 2.0 - A complete toolbox for tree-level phenomenology,” Comput. Phys. Commun
Original
1921
Earlier work this paper cites.
E. W. Kolb and M. S. Turner, “The Early Universe,” Front. Phys
1990
Earlier work this paper cites.
P. Gondolo and G. Gelmini, “Cosmic abundances of stable particles: Improved analysis,” Nucl. Phys
1991
Earlier work this paper cites.
D. J. H. Chung, E. W. Kolb, and A. Riotto, “Superheavy dark matter,” Phys. Rev
1999
Earlier work this paper cites.
J. McDonald, “Thermally generated gauge singlet scalars as selfinteracting dark matter,” Phys. Rev. Lett
2002
Earlier work this paper cites.
G. Belanger, F. Boudjema, A. Pukhov, and A. Semenov, “MicrOMEGAs: A Program for calculating the relic density in the MSSM,” Comput. Phys. Commun
2002
Earlier work this paper cites.
P. Gondolo, J. Edsjo, P. Ullio, L. Bergstrom, M. Schelke, and E. A. Baltz, “DarkSUSY: Computing supersymmetric dark matter properties numerically,” JCAP
2004
Earlier work this paper cites.
G. Bertone, D. Hooper, and J. Silk, “Particle dark matter: Evidence, candidates and constraints,” Phys. Rept
2005
Earlier work this paper cites.
G. Belanger, F. Boudjema, A. Pukhov, and A. Semenov, “MicrOMEGAs 2.0: A Program to calculate the relic density of dark matter in a generic model,” Comput. Phys. Commun
2007
Earlier work this paper cites.
L. J. Hall, K. Jedamzik, J. March-Russell, and S. M. West, “Freeze-In Production of FIMP Dark Matter,” JHEP
Original
2010
Earlier work this paper cites.
C. E. Yaguna, “The Singlet Scalar as FIMP Dark Matter,” JHEP
Original
2011
Earlier work this paper cites.
A. Arbey and F. Mahmoudi, “SuperIso Relic v3.0: A program for calculating relic density and flavour physics observables: Extension to NMSSM,” Comput. Phys. Commun
2011
Earlier work this paper cites.
X. Chu, T. Hambye, and M. H. G. Tytgat, “The Four Basic Ways of Creating Dark Matter Through a Portal,” JCAP
Original
2012
Earlier work this paper cites.
M. Klasen and C. E. Yaguna, “Warm and cold fermionic dark matter via freeze-in,” JCAP
Original
2013
Earlier work this paper cites.
Y. Mambrini, K. A. Olive, J. Quevillon, and B. Zaldivar, “Gauge Coupling Unification and Nonequilibrium Thermal Dark Matter,” Phys. Rev. Lett
Original
2013
Earlier work this paper cites.

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2018

micrOMEGAs5.0 : freeze-in

Bélanger, Geneviève, Boudjema, Fawzi, Goudelis, Andreas et al.

Understand

We present a major upgrade of the micrOMEGAs dark matter code to compute the abundance of feebly interacting dark matter candidates through the freeze-in mechanism in generic extensions of the Standard Model of particle physics.

We develop the necessary formalism in order to solve the freeze-in Boltzmann equations while making as few simplifying assumptions as possible concerning the phase-space distributions of the particles involved in the dark matter production process.
We further show that this formalism allows us to treat different freeze-in scenarios and discuss the way it is implemented in the code.
We find that, depending on the New Physics scenario under consideration, the effect of a proper treatment of statistics on the predicted dark matter abundance can range from a few percent up to a factor of two, or more.

Built on

A. Alloul, N. D. Christensen, C. Degrande, C. Duhr, and B. Fuks, “FeynRules 2.0 - A complete toolbox for tree-level phenomenology,” Comput. Phys. Commun
Original
1921
Earlier work this paper cites.
E. W. Kolb and M. S. Turner, “The Early Universe,” Front. Phys
1990
Earlier work this paper cites.
P. Gondolo and G. Gelmini, “Cosmic abundances of stable particles: Improved analysis,” Nucl. Phys
1991
Earlier work this paper cites.
D. J. H. Chung, E. W. Kolb, and A. Riotto, “Superheavy dark matter,” Phys. Rev
1999
Earlier work this paper cites.
J. McDonald, “Thermally generated gauge singlet scalars as selfinteracting dark matter,” Phys. Rev. Lett
2002
Earlier work this paper cites.
G. Belanger, F. Boudjema, A. Pukhov, and A. Semenov, “MicrOMEGAs: A Program for calculating the relic density in the MSSM,” Comput. Phys. Commun
2002
Earlier work this paper cites.
P. Gondolo, J. Edsjo, P. Ullio, L. Bergstrom, M. Schelke, and E. A. Baltz, “DarkSUSY: Computing supersymmetric dark matter properties numerically,” JCAP
2004
Earlier work this paper cites.
G. Bertone, D. Hooper, and J. Silk, “Particle dark matter: Evidence, candidates and constraints,” Phys. Rept
2005
Earlier work this paper cites.
G. Belanger, F. Boudjema, A. Pukhov, and A. Semenov, “MicrOMEGAs 2.0: A Program to calculate the relic density of dark matter in a generic model,” Comput. Phys. Commun
2007
Earlier work this paper cites.
L. J. Hall, K. Jedamzik, J. March-Russell, and S. M. West, “Freeze-In Production of FIMP Dark Matter,” JHEP
Original
2010
Earlier work this paper cites.
C. E. Yaguna, “The Singlet Scalar as FIMP Dark Matter,” JHEP
Original
2011
Earlier work this paper cites.
A. Arbey and F. Mahmoudi, “SuperIso Relic v3.0: A program for calculating relic density and flavour physics observables: Extension to NMSSM,” Comput. Phys. Commun
2011
Earlier work this paper cites.
X. Chu, T. Hambye, and M. H. G. Tytgat, “The Four Basic Ways of Creating Dark Matter Through a Portal,” JCAP
Original
2012
Earlier work this paper cites.
M. Klasen and C. E. Yaguna, “Warm and cold fermionic dark matter via freeze-in,” JCAP
Original
2013
Earlier work this paper cites.
Y. Mambrini, K. A. Olive, J. Quevillon, and B. Zaldivar, “Gauge Coupling Unification and Nonequilibrium Thermal Dark Matter,” Phys. Rev. Lett
Original
2013
Earlier work this paper cites.