Elsevier

Physics Letters B

Volume 202, Issue 1, 25 February 1988, Pages 154-160
Physics Letters B

A study of the three- and four-photon final states produced in e+e annihilation at 35⩽s⩽46.8 GeV

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Abstract

The reactions e+e→γγγ and e+e→γγγγ have been studied at center-of-mass energies between 35 and 46.8 GeV with an integrated luninosity of about 130 pb−1accumulated with the CELLO detector at PETRA. The measurements are compared to QED calculations up to third and fourth orders of perturbation theory. Excellent agreement is observed.

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There are more references available in the full text version of this article.

Cited by (2)

1

Present address: Unversity of Liverpool, L69 3BX, UK.

2

Present address: Université de Genève, CH-1211 Geneva 4, Switzerland.

3

Present address: CERN, CH-1211 Geneva 23, Switzerland.

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