WIMPZILLAS!

Details WIMPZILLAS! WIMPZILLAS!

1998-10-14

arxiv.org/abs/hep-ph/9810361v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 page LaTeX paper with 7 eps files included with \epsf. Requires iopconf1.sty. For publication in ``DARK98: Proceedings of t

Scientific paper

There are many reasons to believe the present mass density of the universe is dominated by a weakly interacting massive particle (WIMP), a fossil relic of the early universe. Theoretical ideas and experimental efforts have focused mostly on production and detection of thermal relics, with mass typically in the range a few GeV to a hundred GeV. Here, I will review scenarios for production of nonthermal dark matter. Since the masses of the nonthermal WIMPS are in the range 10^{12} to 10^{16} GeV, much larger than the mass of thermal wimpy WIMPS, they may be referred to as WIMPZILLAS. In searches for dark matter it may be well to remember that ``size does matter.''

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