Cosmic ray search for strange quark matter with the macro detector

Details Cosmic ray search for strange quark matter with the macro detector Cosmic ray search for strange quark matter with the macro detector

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991nuphs..24..191a&link_type=abstract

Nuclear Physics B Proceedings Supplements, Volume 24, Issue 2, p. 191-194.

Physics

Nuclear Physics

Scientific paper

The MACRO detector is sensitive to any fast or slow highly ionizing massive particles in cosmic rays. These include ``nuclearites'' or strange quark matter. The negative result of a search lasting about 20 months using 1/12 of the detector has yielded a flux limit of 1.1 × 10-14cm-2sr-1s-1 for strange matter with mass 10-11 g < m < 0.1g. For m > 0.1gg, the limit is 5.5 × 10-15cm-2sr-1s-1. Since the velocity range of nuclearites to which MACRO is sensitive extends to near the escape velocity of the earth, the flux limit not only applies to nuclearites of galactic or extra-galactic origin but also applies to nuclearites that are trapped in the solar system.

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