Limits from Astrophysics and Cosmology

Number Coupling with Less Than Full Weak Strength

INSPIRE   PDGID:
S007NSW
VALUE DOCUMENT ID TECN
• • We do not use the following data for averages, fits, limits, etc. • •
<20 1
OLIVE
1981C
COSM
<20 1
STEIGMAN
1979
COSM
1  Limit varies with strength of coupling. See also WALKER 1991.
References
OLIVE 1981C
NP B180 497 Limits on New Superweakly Interacting Particles from Primordial Nucleosynthesis
STEIGMAN 1979
PRL 43 239 Cosmological Constraints on Superweak Particles