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A measurement of the tau mass

  • H. Albrecht
  • , H. Ehrlichmann
  • , T. Hamacher
  • , R. P. Hofmann
  • , T. Kirchhoff
  • , A. Nau
  • , S. Nowak
  • , H. Schröder
  • , H. D. Schulz
  • , M. Walter
  • , R. Wurth
  • , R. D. Appuhn
  • , C. Hast
  • , H. Kolanoski
  • , A. Lange
  • , A. Lindner
  • , R. Mankel
  • , M. Schieber
  • , T. Siegmund
  • , B. Spaan
  • H. Thurn, D. Töpfer, A. Walther, D. Wegener, M. Paulini, K. Reim, H. Wegener, R. Mundt, T. Oest, R. Reiner, W. Schmidt-Parzefall, W. Funk, J. Stiewe, S. Werner, K. Ehret, W. Hofmann, A. Hüpper, S. Khan, K. T. Knöpfle, J. Spengler, D. I. Britton, C. E.K. Charlesworth, K. W. Edwards, E. R.F. Hyatt, H. Kapitza, P. Krieger, P. M. Patel, J. D. Prentice, P. R.B. Saull, K. Tzamariudaki, R. G. Van de Water, T. S. Yoon, D. Reßing, M. Schmidtler, M. Schneider, K. R. Schubert, K. Strahl, R. Waldi, S. Weseler, G. Kernel, P. Križan, E. Križnič, T. Podobnik, T. Živko, H. I. Cronström, L. Jönsson, V. Balagura, I. Belyaev, M. Danilov, A. Droutskoy, A. Golutvin, I. Gorelov, G. Kostina, V. Lubimov, P. Murat, P. Pakhlov, F. Ratnikov, S. Semenov, V. Shibaev, V. Soloshenko, I. Tichomirov, Yu Zaitsev
  • c/o DESY
  • University of Dortmund
  • Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen
  • Universität Hamburg
  • University of Heidelberg
  • Max-Planck-Institut für Kernphysik
  • Institute of Particle Physics
  • Universität Karlsruhe/Forschungszentrum Karlsruhe
  • University of Ljubljana
  • Lund University
  • Institute for Theoretical and Experimental Physics

Research output: Contribution to journalArticlepeer-review

113 Citations (Scopus)

Abstract

Using the ARGUS detector at the DORIS II storage ring, a new measurement of the mass of the τ lepton has been obtained. An analysis of the tau pseudomass spectrum for decays of the type τ- → π-π-π+ντ finds mτ = 1776.3±2.4±1.4 MeV/c2. This result also leads to an improvement of the upper limit on the ντ mass to mντ < 31 MeV/c2 at the 95% confidence level.

Original languageEnglish
Pages (from-to)221-228
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume292
Issue number1-2
DOIs
Publication statusPublished - 8 Oct 1992
Externally publishedYes

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