Upper limit for the branching ratio of Ks0→e+e−decay

Autor: Blick, A.M., Kolosov, V.N., Kutjin, V.M., Shelikhov, V.I., Chirikov-Zorin, I.E., Chlachidze, G.A., Davydov, Yu.I., Flyagin, V.B., Glagolev, Vl.V., Kolomyichenko, A.V., Kurilin, A.S., Liba, I.P., Lomakin, Yu.F., Malyukov, S.N., Minashvili, I.P., Pukhov, O.E., Romanovsky, V.I., Russakovich, N.A., Russakovich, N.L., Semenov, A.A., Shalyugin, A.N., Solov'yov, A.S., Velev, G.V., Volodko, A.G.
Zdroj: Physics Letters B; August 1994, Vol. 334 Issue: 1-2 p234-236, 3p
Abstrakt: A search for Ks0→e+e−decay was performed by means of a 624-channel lead glass shower hodoscope and a set of proportional chambers. Neutral kaons were obtained in the quasibinary charge exchange reaction. A new upper limit of 2.8×10−6at 90% C.L. for the branching ratio is obtained.
Databáze: Supplemental Index