共 18 条
[3]
LIMITS FROM PRIMORDIAL NUCLEOSYNTHESIS ON PROPERTIES OF MASSIVE NEUTRAL LEPTONS
[J].
PHYSICAL REVIEW D,
1978, 17 (06)
:1529-1538
[6]
COSMOLOGICAL CONSTRAINTS ON NEW STABLE HADRONS
[J].
PHYSICAL REVIEW LETTERS,
1979, 42 (17)
:1117-1120
[7]
EICHTEN E, HUTP79A082 HARV U RE
[10]
GEORGI H, 1974, PHYS REV LETT, V33, P451, DOI 10.1103/PhysRevLett.33.451