TY - JOUR
T1 - WIMP dark matter through the dilaton portal
AU - Blum, Kfir
AU - Cliche, Mathieu
AU - Csáki, Csaba
AU - Lee, Seung J.
N1 - Publisher Copyright:
© 2015, The Author(s).
Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.
PY - 2015/3
Y1 - 2015/3
N2 - Abstract: We study a model in which dark matter couples to the Standard Model through a dilaton of a sector with spontaneously broken approximate scale invariance. Scale invariance fixes the dilaton couplings to the Standard Model and dark matter fields, leaving three main free parameters: the symmetry breaking scale f, the dilaton mass mσ, and the dark matter mass mχ. We analyze the experimental constraints on the parameter space from collider, direct and indirect detection experiments including the effect of Sommerfeld enhancement, and show that dilaton exchange provides a consistent, calculable framework for cold dark matter with f, mσ, mχ of roughly similar magnitude and in the range ∼1 − 10 TeV. Direct and indirect detection experiments, notably future ground-based gamma ray and space-based cosmic ray measurements, can probe the model all the way to dark matter mass in the multi-TeV regime.
AB - Abstract: We study a model in which dark matter couples to the Standard Model through a dilaton of a sector with spontaneously broken approximate scale invariance. Scale invariance fixes the dilaton couplings to the Standard Model and dark matter fields, leaving three main free parameters: the symmetry breaking scale f, the dilaton mass mσ, and the dark matter mass mχ. We analyze the experimental constraints on the parameter space from collider, direct and indirect detection experiments including the effect of Sommerfeld enhancement, and show that dilaton exchange provides a consistent, calculable framework for cold dark matter with f, mσ, mχ of roughly similar magnitude and in the range ∼1 − 10 TeV. Direct and indirect detection experiments, notably future ground-based gamma ray and space-based cosmic ray measurements, can probe the model all the way to dark matter mass in the multi-TeV regime.
KW - Conformal and W Symmetry
KW - Cosmology of Theories beyond the SM
KW - Effective field theories
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U2 - 10.1007/JHEP03(2015)099
DO - 10.1007/JHEP03(2015)099
M3 - Article
AN - SCOPUS:84925379641
VL - 2015
JO - Journal of High Energy Physics
JF - Journal of High Energy Physics
SN - 1126-6708
IS - 3
M1 - 99
ER -