Pre-equilibrium emission of α-particles with energies down to the region of those from compound nucleus decay
Department of Physics, Stellenbosch University, Private Bag XI, Matieland 7602, South Africa
iThemba Laboratory for Accelerator Based Sciences, P O Box 722, Somerset West 7129, South Africa
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At incident energies in the 100 to 200 MeV range, nucleon-induced inclusive reactions with emission of light composite particles (such as α-particles) into the continuum, display an enhanced yield which increases as the emission energy drops towards compound-nucleus values. It is postulated that a simple reaction mechanism, which clearly manifests itself in some (p, pα) knockout studies as sequential decay from inelastic excitation, should be investigated more carefully as a possible explanation of the observed phenomenon in inclusive studies.
© Owned by the authors, published by EDP Sciences, 2012