Does nature like Nambu-Goldstone bosons?

Details Does nature like Nambu-Goldstone bosons? Does nature like Nambu-Goldstone bosons?

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983nuphb.219...31g&link_type=abstract

Nuclear Physics B, Volume 219, Issue 1, p. 31-40.

Physics

Nuclear Physics

117

Scientific paper

We argue here that many (up to around 30 species) so far undetected Goldstone bosons could exist in nature, for example, associated with the spontaneous breaking of a horizontal global symmetry, provided the breaking scale is V >~ 1010 GeV. Since Goldstone bosons do not generate r-1 but spin-dependent r-3 non-relativistic long-range potentials, the apparently most dramatic effect of massless bosons (new long-range forces competing with gravitation and electromagnetism) is easily avoidable (the Glasgow-Weinberg-Salam breaking scale is enough); μ-->eG and K-->πG provide the most restrictive bounds and probably the only possibility to look for Goldstone bosons in the laboratory.
On leave of absence from Physics Department, College of General Education, Tohoku University, Sendai 980, Japan.

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