Radiative τ pair production and search for new particles decaying into τ

Bartel, W. and Finch, Alexander (1986) Radiative τ pair production and search for new particles decaying into τ. Zeitschrift für Physik C Particles and Fields, 31 (3). p. 359. ISSN 0170-9739

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Abstract

A study of radiative τ pair production,e + e −→τ+τ−γ ande + e −→τ+τ−γγ, is presented. The observed events agree with QED predictions of order α3 and α4. Excited τ′s have been searched for and lower limits on single and pair production are obtained. For QED-like coupling the τ* mass is limited to values greater than 40 GeV (95% CL). A search for unstable charged scalars (S ±) decaying into τ, e.g. charged Higgs, technipions or the supersymmetric partners of τ′s, yields no evidence for such particles. Assuming a branching fraction ofB(S→τν)=1,S masses up to 18.7 GeV are excluded with 95% CL.

Item Type:
Journal Article
Journal or Publication Title:
Zeitschrift für Physik C Particles and Fields
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3101
Subjects:
ID Code:
63866
Deposited By:
Deposited On:
02 May 2013 13:34
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 08:25