Possible interpretation of a new resonance at 8.3 GeV

Details Possible interpretation of a new resonance at 8.3 GeV Possible interpretation of a new resonance at 8.3 GeV

Oct 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984phrvl..53.1718l&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 53, Oct. 29, 1984, p. 1718-1720.

Mathematics

Logic

10

Elementary Particles, Gauge Theory, Particle Theory, Resonance, Broken Symmetry, Cosmology, Weak Interactions (Field Theory), Mesons, Electromagnetic Decays

Scientific paper

The 8.3-GeV resonance in the reaction Upsilon to gamma + zeta is investigated theoretically. The resonance is tentatively identified as a weakly coupled fundamental pseudoscalar A occurring in an SU(2) x U(1) gauge-theory model with two spin-0 doublets. The effect of mixing between A and eta(B) is found to ease or avoid cosmological problems encountered in attempting to identify the resonance as a Higgs particle in a minimal weak-interaction model with one scalar doublet.

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