图书简介
This book allows the reader to understand the fundamentals of polarization phenomena in a general spin system, showing the polarizations to be indispensable information source of spin-dependent interactions. Particularly, the book describes polarization phenomena in nuclear scattering and reactions in detail, and explains how they provide information concerning spin-dependent interactions between the related particles. The concepts of polarization observables are explained, explicitly in the scattering of protons, deuterons and 7Li nuclei. In looking at deuteron and 7Li scattering, interactions induced by the virtual excitation of projectiles are examined in detail. Resonance reactions are investigated, focusing attention on the polarization of observables, which suggests that polarization phenomena can be used to determine the spin parity of the resonance. It is noted that in few-nucleon systems, the discrepancy between the values of polarization observables based on theoretical models and the corresponding values obtained through experimental data, is an important problem to be solved in the future. Solving this problem should provide new knowledge concerning the nuclear forces between nucleons.
The author has chosen open-access publishing for this book to allow any interested person to study this branch of nuclear physics.
Key Features:
oThis book allows the reader to understand the fundamentals of polarization phenomena in nuclear reactions. Existing publications on this subject are generally quite poor
oThere are very few books on related subjects, and those that exist cover only a restricted range of topics in this area
oThis book provides a general view of polarization phenomena, and is designed to be understood by both theoretical physicists and experimental physicists
Introduction; Polarization, Alignment and Orientation; Spin Observables by Density Matrix; Spin Observables in Nuclear Reaction; Invariant Amplitude Method and Scattering of Spin 1/2, 1 and 3/2 Particles; Optical Potential and Elastic Scattering of Protons; Folding Model Interaction and Virtual Excitation in the Scattering of Deuterons; Models of ⁷Li and Scattering by Nuclei; Polarization in Resonance Reactions; Depolarization in P+³He Elastic Scattering and the Time Reversal Theorem; Three-Nucleon Force and Polarization Phenomena in Few-Nucleon Systems; Appendix: Scattering Amplitudes for TR— and TL— Tensor Interactions;
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