Study of η→μ+μ− decay
1980; Elsevier BV; Volume: 97; Issue: 3-4 Linguagem: Inglês
10.1016/0370-2693(80)90642-5
ISSN1873-2445
AutoresR.I. Dzhelyadin, S.V. Golovkin, V.A. Kachanov, A.S. Konstantinov, В.Ф. Константинов, Valery Kubarovsky, A.V. Kulik, L.G. Landsberg, V. M. Leontiev, V.A. Mukhin, V. Obraztsov, Yu.D. Prokoshkin, Vladimir Viktorov, A.M. Zaitsev,
Tópico(s)High-Energy Particle Collisions Research
ResumoThe muon pair mass spectrum in the reactionπ−p→μ+μ−n has been investigated at 25 and 33 GeV/c. A peak corresponding to the rareη→μ+μ− decay is observed. The measured branching ratio for this decay is (6.5 ± 2.1) × 10−6 in agreement with theoretical estimates.
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