Browder, TE, Li, F, Li, Y
et al. (1997). New upper limit on the decay eta->e(+)e(-)
.
Physical Review D, 56(9), 5359-5365. 10.1103/PhysRevD.56.5359
Browder, TE, Li, F, Li, Y et al. (1997). New upper limit on the decay eta->e(+)e(-)
. Physical Review D, 56(9), 5359-5365. 10.1103/PhysRevD.56.5359