MEASUREMENT OF ETA(C) PRODUCTION IN UNTAGGED 2-PHOTON COLLISIONS AT LEP

A study of twelve distinct decay channels of the ηc has been performed with the L3 detector at LEP, for an integrated luminosity of 30 pb-1. Summing all channels, 28 candidate events have been identified, with an estimated background of 11 events. The two-photon radiative width is evaluated to be Γγ...

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Автори:	Adriani, O, Aguilarbenitz, M, Ahlen, S, Alcaraz, J, Aloisio, A, Alverson, G, Alviggi, M, Ambrosi, G, An, Q, Anderhub, H, Anderson, A, Andreev, V, Angelescu, T, Antonov, L, Antreasyan, D, Arce, P, Arefiev, A, Atamanchuk, A, Azemoon, T, Aziz, T, Baba, P, Bagnaia, P, Bakken, J, Ball, R, Banerjee, S
Формат:	Journal article
Опубліковано:	1993

MEASUREMENT OF ETA(C) PRODUCTION IN UNTAGGED 2-PHOTON COLLISIONS AT LEP

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