Is there strange-quark matter in Galactic cosmic rays?

Details Is there strange-quark matter in Galactic cosmic rays? Is there strange-quark matter in Galactic cosmic rays?

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvl..65.2094s&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 65, Oct. 22, 1990, p. 2094-2097.

Physics

Nuclear Physics

57

Galactic Cosmic Rays, Quarks, Background Radiation, Cerenkov Radiation, Nuclei (Nuclear Physics)

Scientific paper

In the analysis of background events from a counter-technique experiment to study cosmic-ray nuclei above 8-GV rigidity, two events were observed which are consistent with the assumption of Z about 14, A about 350, and 450 MeV/nucleon and which cannot be accounted for by more conventional background. Such events may be explained by the hypothesis of strange-quark matter (SQM). It is concluded that the existence of SQM has not been excluded by experiment at a flux level of about 6 x 10 to the -9th/sq cm sec sr.

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