Accès ouvert
2007
article
OpenAlex
O. Tajima, H. Hayashii, M. Hazumi, K. Inami et autres
We report results of a search for the invisible decay of the Υ(1S) via the Υ(3S)→π+π-Υ(1S) transition using a data sample of 2.9 fb^{-1} at the Υ(3S) resonance. The data were collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. …
jp, ru, kr, Éthiopie, us, si, in, tw, de, pl, at, cn, au, ch
(code pays fourni par la source)
Accès ouvert
2007
article
OpenAlex
K. Belous, M. Shapkin, A. SOKOLOV, K. Abe et autres
The mass of the lepton has been measured in the decay mode ! 3 using a pseudomass technique.The result obtained from 414 fb ÿ1 of data collected with the Belle detector is M 1776:61 0:13stat 0:35sys MeV=c 2 .The upper limit on …
ru, jp, in, ch, us, kr, si, au, tw, cn, at, pl
(code pays fourni par la source)
Accès ouvert
2006
article
OpenAlex
K. Ikado, K. Abe, I. Adachi, H. Aihara et autres
We present the first evidence of the decay B ÿ !ÿ, using 414 fb ÿ1 of data collected at the 4S resonance with the Belle detector at the KEKB asymmetric-energy e e ÿ collider.Events are tagged by fully reconstructing one of the …
jp, ru, kr, Éthiopie, pl, si, us, tw, ch, cn, at, au, in
(code pays fourni par la source)