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Phys. Rev. C 57, 123–128 (1998)

Investigation of multiparticle final states in 12C photoreactions

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P. D. Harty1,*, I. J. D. MacGregor1, J. Ahrens4, J. R. M. Annand1, I. Anthony1, R. Beck4, D. Branford3, G. E. Cross1,†, T. Davinson3, P. Grabmayr2, S. J. Hall1, T. Hehl2, J. D. Kellie1, T. Lamparter2, J. A. MacKenzie3, J. C. McGeorge1, G. J. Miller1,‡, R. O. Owens1, M. Sauer2, R. Schneider2, and K. Spaeth2
1Department of Physics and Astronomy, University of Glasgow, Glasgow G12 8QQ, Scotland
2Physikalisches Institut, Universität Tübingen, D-72076 Tübingen, Germany
3Department of Physics and Astronomy, University of Edinburgh, Edinburgh EH9 3JZ, Scotland
4Institut für Kernphysik, Johannes-Gutenberg Universität, D-55099 Mainz, Germany

Received 3 September 1997; published in the issue dated January 1998

The 12C(γ,pn), 12C(γ,pp), 12C(γ,ppp), 12C(γ,ppπ±), 12C(γ,pπ±) reactions have been studied using tagged photons of energy Eγ=250–600 MeV. A model which includes all major absorption mechanisms and final state interactions gives results that agree well with the shapes of missing energy spectra, but for some channels the predicted cross sections are too large.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.57.123
DOI:
10.1103/PhysRevC.57.123
PACS:
25.20.Lj, 24.10.-i, 27.20.+n

*Present address: Physics Dept., University of Auckland, New Zealand.

†Present address: Psion plc, London, U.K.

‡Present address: Danielle Industries, Larbert, U.K.

 
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