Statistics – Computation
Scientific paper
Feb 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980phrvl..44..501n&link_type=abstract
Physical Review Letters, vol. 44, Feb. 25, 1980, p. 501-504. Research supported by the Science Research Council of England.
Statistics
Computation
Baryons, Cosmology, Entropy, Temperature Effects, Thermodynamic Equilibrium, Thermodynamic Properties, Universe
Scientific paper
The effects of finite-temperature gauge theory on computations of the cosmological baryon-to-entropy ratio are estimated. It is shown that a finite-temperature gauge theory may change the value of the mean net baryon number generated in a single X or X-overbar decay through changes in the Feynman integrals. For the example of a local O(n) gauge theory with one vector of Higgs fields, it is found, however, that the temperature must be extremely close to the critical temperature in order for the finite-temperature Higgs mass to differ significantly from the zero-temperature Higgs mass. It is also suggested that, due to uncertainties in X-boson masses, the presence of finite-temperature effects should also be investigated for a grand unified gauge model.
Namazie M. A.
Sayed Waad Al
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