共 21 条
[6]
AN UNSUCCESSFUL SEARCH FOR FRACTIONALLY CHARGED PARTICLES WITH MASS LESS-THAN-OR-EQUAL-TO 2.2 GEV
[J].
PHYSICS LETTERS,
1964, 9 (02)
:201-203
[7]
BLUM W, 1964, PHYS REV LETT, V13, pA353
[8]
Bott-Bodenhausen M., 1972, Physics Letters B, V40B, P693, DOI 10.1016/0370-2693(72)90628-4