Matrix element of the η′(958) → ηπ0π0 decay
1986; Elsevier BV; Volume: 177; Issue: 1 Linguagem: Inglês
10.1016/0370-2693(86)90026-2
ISSN1873-2445
AutoresD. Alde, F. Binon, C. Bricman, S.V. Donskov, P. Duteil, M. Gouanère, A.V. Inyakin, V.A. Kachanov, D.B. Kakauridze, G.V. Khaustov, E.A. Knapp, A.V. Kulik, J.P. Lagnaux, A.A. Lednev, Yu.V. Mikhailov, T. Mouthuy, J.P. Peigneux, A. Possoz, Yu.D. Prokoshkin, Yu.V. Rodnov, S. Sadovsky, V. D. Samoylenko, P.M. Shagin, A.V. Shtannikov, A. Sill, A.V. Singovsky, J.P. Stroot, V.P. Sugonyaev,
Tópico(s)High-Energy Particle Collisions Research
ResumoThe decay η′ → ηπ0π0 → 6γ has been measured accurately with the GAMS-2000 spectrometer in a high statistics experiment performed at the 70 GeV IHEP accelerator. The parameters of a linear matrix element have been obtained which show that it is practically constant, with a slight dependence on only one of the Dalitz variables.
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