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This is the second part of "The Exciton Model," a book aimed to
explain the theoretical approach needed in Preequilibrium Emission
(PE) spectra calculations. In Part I of the book, the nuclear level
density calculations based on the Equidistant Spacing Model (ESM)
were given. The focus was then driven to the simple, yet useful,
approach of the ESM, while in this part, the idea of the non-ESM,
i.e., the real energy distribution scheme of the nuclear levels
will be considered. This represents the non-approximated model of
level density. Beside the above, the important steps needed during
PE spectra calculations are given. Some practical programs, with
numerical results, are also given.
At intermediate energies, nuclear reactions have a crucial
significance in nuclear physics and in science in general, which is
reflected by the wide industrial scope of applications of these
reactions. In this book, the fundamental theoretical ideas of the
(Exciton Model), one of the most promising statistical models used
to interpret such reactions, are listed, and some convenient
calculations are made. Practical focus is given to the important
quantity needed in this model, the (Level Density, LD). Taking the
basic definition as a start, the LD is then calculated for a wide
range of corrections, including Pauli principle, bound-state and
finite well depth, pairing with suggested postulations, shell
structure, active-passive holes, charge factors, and spin. LD is
calculated in each case using a library of Matlab codes, listed in
this book's material as their calling programs. The results of each
count are briefly explained. This book is made of eight chapters,
the first two give a general review, and the rest are combined with
numerical calculations. The aim of this book is to present handy
practices for researchers, specially nuclear physicists, interested
in the exciton model.
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