Calculations of rates for direct detection of neutralino dark matter

Details Calculations of rates for direct detection of neutralino dark matter Calculations of rates for direct detection of neutralino dark matter

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phrvl..61..666g&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 61, Aug. 8, 1988, p. 666-669. DOE-supported research.

Astronomy and Astrophysics

Astrophysics

72

Cosmology, Dark Matter, Nuclear Astrophysics, Particle Spin, Galactic Mass, Missing Mass (Astrophysics), Relic Radiation, Theoretical Physics

Scientific paper

The detection rates in cryogenic detectors of neutralinos, the most well motivated supersymmetric dark-matter candidate, are calculated. These rates can differ greatly from the special case of pure photinos and pure Higgsinos which are usually considered. In addition, a new term is found in the elastic-scattering cross section proportional to the Z-ino component which is 'spin independent', even for these Majorana particles. As a result, substantial detection rates exist for previously disfavored, mostly spinless materials such as germanium and mercury.

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