Physics – Nuclear Physics
Scientific paper
Sep 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987lastr.101..473g&link_type=abstract
L'Astronomie (ISSN 0004-6302), vol. 101, Sept. 1987, p. 473-485. In French.
Physics
Nuclear Physics
Astronomy, Cosmology, Nuclear Physics, Quarks, Strangeness, Theoretical Physics, Cosmic Rays, Electric Charge, Elementary Particles, Flavor (Particle Physics), Neutrons, Stellar Composition
Scientific paper
Evidence for the existence of strange quarks, and the consequences of their existence, are discussed. Consistent with the theoretical predictions of quark theory, nuclei of stange-quark matter are suggested to be composed of a 'soup' of u (up), d (down), and s (strange) quarks. Consequences of the existence of stable 'nuggets' for astrophysical questions (such as the nature and cooling of compact stars) and cosmological questions (such as missing mass) are considered. Instruments for the observation of high-energy cosmic rays and for the measurement of the stability of protons have been unable to detect this new form of matter. The possibility of utilizing underground detectors for the simultaneous observation, above and below the ground, of muon showers precipitated by quark nuggets is also discussed.
Grassi Frederique
Masnou Jean-Louis
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