Excitation functions for the two-nucleon photoabsorption in Li

P. Grabmayr, J. Ahrens, J.R.M. Annand, I. Anthony, D. Branford, G.E. Cross, T. Davinson, S.J. Hall, P.D. Harty, T. Hehl, J.D. Kellie, T. Lamparter, I.J.D. MacGregor, J.A. MacKenzie, J.C. McGeorge, G.J. Miller, R.O. Owens, M. Sauer, R. Schneider, K. SpaethG.J. Wagner

Research output: Contribution to journalArticlepeer-review

Abstract

The Li(γ,np) and Li(γ,pp) reactions have been studied using tagged photons in the range 114 <E <600 MeV. Excitation functions and missing energy spectra are presented. The simple structure of Li and kinematical constraints are exploited to determine the relative importance of the various photoabsorption mechanisms. The genuine two-nucleon absorption can be identified up to photon energies of 500 MeV and is found to be most important at low missing energies. The Li(γ,np) data are well reproduced by predictions of a quasideuteron model.
Original languageEnglish
Pages (from-to)17-21
Number of pages5
JournalPhysics Letters B
Volume370
Issue number1-2
Publication statusPublished - 7 Mar 1996

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