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e+-e pair creation by 40–150 GeV photons incident near the 〈 110 〈 axis in a germanium crystal

Bak, J.F. et al. (1988) e+-e pair creation by 40–150 GeV photons incident near the 〈 110 〈 axis in a germanium crystal. Physics Letters B, 202 (4). pp. 615-619. ISSN 0370-2693 (doi:10.1016/0370-2693(88)91874-6)

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Abstract

Experimental results are presented on the pair production from high-energy photons (40–150 GeV) incident on a 0.5 mm Ge single crystal around the 〈110〉 axis. The observed enhancement increases from around 1 at threshold (40 GeV) to 7 at 1 50 GeV for photons aligned with the axis. Also the angilar dependence and the differential e+/e spectra have been studied. For photons aligned with the axis, the results are in good agreement with calculations based on the constant field approximation.

Item Type:Article
Status:Published
Refereed:Yes
Glasgow Author(s):Doyle, Prof Anthony
Authors: Bak, J.F., Barberis, D., Brodbeck, T.J., Doyle, A.T., Ellison, R.J., Elsener, K., Hughes-Jones, R.E., Kolya, S.D., Mercer, D., Møller, S.P., Newton, D., Ottewell, P.J., Petersen, J.B.B., Siffert, P., Sørensen, A.H., Thompson, R.J., Uggerhøj, E., and Wilson, G.W.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physics Letters B
Publisher:Elsevier BV
ISSN:0370-2693
Published Online:28 October 2002

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