Cosmic technicolor nuggets

Details Cosmic technicolor nuggets Cosmic technicolor nuggets

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991nuphb.355..162f&link_type=abstract

Nuclear Physics B, Volume 355, Issue 1, p. 162-191.

Physics

Nuclear Physics

5

Scientific paper

We study the structure of technicolor theories at finite baryon number. In particular, we investigate whether ``technicolor matter'', containing comparable numbers of all technifermions, may be absolutely stable, as opposed to individual technibaryons. This proposal is the technicolor analogue of Witten's conjecture regarding the stability of strange (three-flavor quark) matter. We model technicolor using a rescaled version of the MIT bag. For gauge group SU(N)TC, the stability and cosmic durability of techni-matter is enhanced with increasing N and for large flavor symmetry. For N >~ 5-8, technimatter nuggets formed at the technicolor confinement transition can survive to the present epoch, and they are likely to contain virtually all of the technibaryon number of the Universe. We discuss various astrophysical and experimental constraints on the abundance of technicolor nuggets in the galactic halo.

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