Test of QED in e+e− annihilation at energies between 12 and 31.6 GeV

Brandelik, R et al. (1980) Test of QED in e+e− annihilation at energies between 12 and 31.6 GeV. Physics Letters B, 94 (2). pp. 259-265. ISSN 0370-2693

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Abstract

We have measured the reactions e+e− → e+e− → μ+μ− and e+e− → γγ at c.m. energies between 12 and 31.6 GeV. Excellent agreement with the predictions of QED has been found, resulting in cut off parameters Λ+ > 112 GeV and Λ− > 139 GeV for the first process and Λ+ > 34 GeV and Λ− > 42 GeV (95% c.1.) for the last one. A limit on the Weinberg angle of sin2θW < 0.55 (95% c.1.) has been obtained.

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URI:

https://eprints.hud.ac.uk/id/eprint/9873

URI:

https://eprints.hud.ac.uk/id/eprint/9873

Title:

Test of QED in e+e− annihilation at energies between 12 and 31.6 GeV

Creators:

Brandelik, R et al.

Identification Number:

10.1016/0370-2693(80)90872-2

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