1000 Solved Problems in Modern Physics

(Romina) #1

8.1 Basic Concepts and Formulae 433



  1. Breakup reactions

  2. Knock-out reactions


Pre-equilibrium reactions


Fig. 8.5Energy spectrum of
particles emitted in various
types of reactions


The pre-equilibrium reactions take place before the formation of the compound
nucleus.


Heavy Ion reactions


Fig. 8.6Collision between
heavy ions


Types of interactions


(a) The coulomb region withrmin>RN, whereRNis the distance for which the
nuclear interactions are ineffective.
(b) The deep inelastic and the incomplete fusion region withrmin=R 1 +R 2.
(c) The fusion region with 0≤rmin≤R 1 +R 2.
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