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Production and properties of the τ-lepton in e+e- annihilation at C.M. energies from 12 to 31.6 GeV

Brandelik, R, Braunschweig, W, Gather, K, Kadansky, V, Lübelsmeyer, K, Mättig, P, Martyn, HU, Peise, G, Rimkus, J, Sander, HG , Schmitz, D, von Dratzig, AS, Trines, D, Wallraff, W, Boerner, H, Fischer, HM, Hartmann, H, Hilger, E, Hillen, W, Knop, G, Leu, P, Löhr, B, Wedemeyer, R, Wermes, N, Wollstadt, M, Cassel, DG, Heyland, D, Hultschig, H, Joos, P, Koch, W, Koehler, P, Kötz, U, Kowalski, H, Ladage, A, Lüke, D, Lynch, HL, Mikenberg, G, Notz, D, Pyrlik, J, Riethmüller, R, Schliwa, M, Söding, P, Wiik, BH, Wolf, G, Fohrmann, R, Holder, M, Poelz, G, Römer, O, Rüsch, R, Schmüser, P, Binnie, DM, Dornan, PJ, Downie, NA, Garbutt, DA, Jones, WG, Lloyd, SL, Pandoulas, D, Sedgbeer, J, Yarker, S, Youngman, C, Barlow, RJ, Brock, I, Cashmore, RJ, Devenish, R, Grossmann, P, Illingworth, J, Ogg, M, Roe, B, Salmon, GL, Wyatt, T, Bell, KW, Foster, B, Hart, JC, Proudfoot, J, Quarrie, DR, Saxon, DH, Woodworth, PL, Eisenberg, Y, Karshon, U, Revel, D, Ronat, E, Shapira, A, Freeman, J, Lecomte, P, Meyer, T, Wu, SL and Zobernig, G (1980) Production and properties of the τ-lepton in e+e- annihilation at C.M. energies from 12 to 31.6 GeV Physics Letters B, 92 (1-2). pp. 199-205.

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We have observed τ production in e+e- annihilation at centre-of-mass energies between 12 and 31.6 GeV with cross sections in agreement with the QED τ-pair cross section. Branching ratios for τ decay have been measured and are consistent with the world averages. We have determined the cutoff parameters of QED Λ+ (Λ-) to be > 73 GeV (82 GeV) and have obtained an upper limit on the τ lifetime of 1.4 × 10-12 s(95% CL). © 1980.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Brandelik, R
Braunschweig, W
Gather, K
Kadansky, V
Lübelsmeyer, K
Mättig, P
Martyn, HU
Peise, G
Rimkus, J
Sander, HG
Schmitz, D
von Dratzig, AS
Trines, D
Wallraff, W
Boerner, H
Fischer, HM
Hartmann, H
Hilger, E
Hillen, W
Knop, G
Leu, P
Löhr, B
Wedemeyer, R
Wermes, N
Wollstadt, M
Cassel, DG
Heyland, D
Hultschig, H
Joos, P
Koch, W
Koehler, P
Kötz, U
Kowalski, H
Ladage, A
Lüke, D
Lynch, HL
Mikenberg, G
Notz, D
Pyrlik, J
Riethmüller, R
Schliwa, M
Söding, P
Wiik, BH
Wolf, G
Fohrmann, R
Holder, M
Poelz, G
Römer, O
Rüsch, R
Schmüser, P
Binnie, DM
Dornan, PJ
Downie, NA
Garbutt, DA
Jones, WG
Lloyd, SL
Pandoulas, D
Sedgbeer, J
Yarker, S
Youngman, C
Barlow, RJ
Brock, I
Cashmore, RJ
Devenish, R
Grossmann, P
Ogg, M
Roe, B
Salmon, GL
Wyatt, T
Bell, KW
Foster, B
Hart, JC
Proudfoot, J
Quarrie, DR
Saxon, DH
Woodworth, PL
Eisenberg, Y
Karshon, U
Revel, D
Ronat, E
Shapira, A
Freeman, J
Lecomte, P
Meyer, T
Wu, SL
Zobernig, G
Date : 5 May 1980
DOI : 10.1016/0370-2693(80)90337-8
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:40
Last Modified : 24 Jan 2020 21:06

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