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A measurement of the tau mass

Albrecht, H. et al. (1992) A measurement of the tau mass. Physics Letters B, 292 (1-2). pp. 221-228. ISSN 0370-2693 (doi:10.1016/0370-2693(92)90634-G)

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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.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Britton, Prof David
Authors: Albrecht, H., Ehrlichmann, H., Hamacher, T., Hofmann, R.P., Kirchhoff, T., Nau, A., Nowak, S., Schröder, H., Schulz, H.D., Walter, M., Wurth, R., Appuhn, R.D., Hast, C., Kolanoski, H., Lange, A., Lindner, A., Mankel, R., Schieber, M., Siegmund, T., Spaan, B., Thurn, H., Töpfer, D., Walther, A., Wegener, D., Paulini, M., Reim, K., Wegener, H., Mundt, R., Oest, T., Reiner, R., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ehret, K., Hofmann, W., Hüpper, A., Khan, S., Knöpfle, K.T., Spengler, J., Britton, D.I., Charlesworth, C.E.K., Edwards, K.W., Hyatt, E.R.F., Kapitza, H., Krieger, P., Patel, P.M., Prentice, J.D., Saull, P.R.B., Tzamariudaki, K., Van de Water, R.G., Yoon, T.-S., Reβing, D., Schmidtler, M., Schneider, M., Schubert, K.R., Strahl, K., Waldi, R., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Cronström, H.I., Jönsson, L., Balagura, V., Belyaev, I., Danilov, M., Droutskoy, A., Golutvin, A., Gorelov, I., Kostina, G., Lubimov, V., Murat, P., Pakhlov, P., Ratnikov, F., Semenov, S., Shibaev, V., Soloshenko, V., Tichomirov, I., and Zaitsev, Y.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physics Letters B
Publisher:Elsevier BV
ISSN:0370-2693
Published Online:7 October 2002

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