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The European Physical Journal C
ISSN: 1434-6044 (printed version)
ISSN: 1434-6052 (electronic version)
Abstract Volume 4 Issue 2 (1998) pp 289-299
DOI 10.1007/s100529800764
theoretical physics:
Radiation zeros at HERA - more about nothing
M. Heyssler (1), W.J. Stirling (1)(2)
(1) Department of Physics, University of Durham, Durham, DH1 3LE
(2) Department of Mathematical Sciences, University of Durham, Durham, DH1 3LE
Received: 17 July 1997 / Revised version: 10 September 1997 / Published online: 20 February 1998
Abstract. The process $eq \to eq +\gamma$ exhibits radiation zeros, i.e. configurations of the final-state particles for which the scattering amplitude vanishes. We study these zeros for both $e^+u$ and $e^+d$ scattering. The latter exhibits a type of zero which to our knowledge has not previously been identified. The observability of radiation zeros at HERA is discussed.
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Online publication: June 23, 1998
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