Observation of the decay τ → πv

G. Alexander*, L. Criegee, H. C. Dehne, K. Derikum, R. Devenish, G. Flügge, G. Franke, Ch Gerke, E. Hackmack, P. Harms, G. Horlitz, Th Kahl, G. Knies, E. Lehmann, R. Schmitz, U. Timm, P. Waloschek, G. G. Winter, S. Wolff, W. ZimmermannW. Wagner, V. Blobel, L. Boesten, A. F. Garfinkel, B. Koppitz, E. Lohrmann, W. Lührsen, H. Spitzer, A. Bäcker, J. Bürger, C. Grupen, G. Zech, H. Meyer, M. Rössler, K. Wacker

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

The decay of the heavy lepton τ into πv has been established using the magnetic detector PLUTO. The branching ratio is determined to be BR(τ→πv)=(9.0 ± 2.9)% with an additional systematic uncertainty of 2.5%. This value is in good agreement with the theoretical prediction.

Original languageEnglish
Pages (from-to)162-166
Number of pages5
JournalPhysics Letters B
Volume78
Issue number1
DOIs
StatePublished - 11 Sep 1978
Externally publishedYes

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