Astrophysical detection of heavy-particle-induced spectral shifts in muonic iron

Details Astrophysical detection of heavy-particle-induced spectral shifts in muonic iron Astrophysical detection of heavy-particle-induced spectral shifts in muonic iron

Dec 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002phrvd..66l3508g&link_type=abstract

Physical Review D, vol. 66, Issue 12, id. 123508

Physics

Dark Matter, Background Radiations

Scientific paper

By significantly increasing the nuclear mass, a strongly interacting massive particle (SIMP) bound to an iron nucleus would cause a characteristic change in the spectrum of muonic iron. At temperatures high enough that such atoms are completely stripped of electrons, the effect is directly observable as a 0.2% shift in the energies of high angular momentum states. This phenomenon provides a new test for the existence of SIMPs, which have been proposed as dark matter candidates, and as candidates for the lightest supersymmetric particle.

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