Study of η→μ +μ − decay

The 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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Bibliographic Details
Published inPhysics letters. B Vol. 97; no. 3; pp. 471 - 472
Main Authors Dzhelyadin, R.I., Golovkin, S.V., Kachanov, V.A., Konstantinov, A.S., Konstantinov, V.F., Kubarovsky, V.P., Kulik, A.V., Landsberg, L.G., Leontiev, V.M., Mukhin, V.A., Obraztsov, V.F., Prokoshkin, Yu.D., Viktorov, V.A., Zaitsev, A.M.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.01.1980
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Summary:The 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.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(80)90642-5