Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-11-20
JCAP0803:009,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
24 pages, 8 figures; Version to appear in JCAP
Scientific paper
10.1088/1475-7516/2008/03/009
We derive general constraints on supersymmetric extension of axion models, in particular paying careful attention to the cosmological effects of saxion. It is found that for every mass range of the saxion from keV to TeV, severe constraints on the energy density of the saxion are imposed. Together with constraints from axino we obtain stringent upper bounds on the reheating temperature.
Kawasaki Masahiro
Nakayama Kazunori
Senami Masato
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