Cosmic quarkonium - A probe of dark matter

Details Cosmic quarkonium - A probe of dark matter Cosmic quarkonium - A probe of dark matter

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986phrvl..56..263s&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 56, Jan. 20, 1986, p. 263-265.

Astronomy and Astrophysics

Astrophysics

49

Background Radiation, Cosmic Rays, Galactic Structure, Missing Mass (Astrophysics), Feynman Diagrams, Interstellar Matter, Quarks

Scientific paper

A possibly observable signature of dark matter in galactic halos is found. The signature consists of a series of monochromatic gamma-ray lines with energies E(gamma)=m(lambda)-m(psi) squared/4 m(lambda), where lambda is a Majorana fermion, and psi is the generic quarkonium state Q-bar Q. It is predicted that the mass of the particles may be within the energy resolution of current detectors, as well as the NASA Gamma Ray Observatory (GRO).

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