arXiv:0806.0497·v2·High Energy Physics — Phenomenology
Update of axion CDM energy density
Kyu Jung Bae🇰🇷 · Ji-Haeng Huh🇰🇷 · Jihn E. Kim🇰🇷
Abstract
We improve the estimate of the axion CDM energy density by considering the new values of current quark masses, the QCD phase transition effect and a possible anharmonic effect.
Comments: 7 pages, 6 figures. References are added. A factor is corrected