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Phys. Rev. D 47, 2682–2689 (1993)

Exact results on e+e-e+e-+2γ at energies reached at the SLAC Linear Collider and CERN e+e- collider LEP

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S. Jadach
Institute of Nuclear Physics, ul. Kawiory 26a, Cracow, Poland

B. F. L. Ward
Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996-1200 and Stanford Linear Accelerator Center (SLAC), P.O. Box 4349, Stanford University, Stanford, California 94309

S. A. Yost
Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996-1200

Received 13 November 1992; published in the issue dated 1 April 1993

We use the spinor methods of the CALKUL Collaboration, as realized by Xu, Zhang, and Chang, to calculate the differential cross section for e+e-e+e-+2γ for c.m. system energies in the regime of the SLAC Linear Collider (SLC) and CERN e+e- collider LEP. An explicit complete formula for the respective cross section is obtained. The leading-logarithmic approximation is used to check the formula. Applications of the formula to high-precision luminosity calculations at the SLAC and/or LEP are discussed.

© 1993 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.47.2682
DOI:
10.1103/PhysRevD.47.2682
PACS:
13.10.+q, 12.15.Ji, 12.20.Ds, 13.40.-f