Coupling of Angular Momenta Isospin Nucleon-Nucleon Interaction
Coupling of Angular Momenta Isospin Nucleon-Nucleon Interaction
Coupling of Angular Momenta Isospin Nucleon-Nucleon Interaction
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<strong>Nucleon</strong>-nucleon nucleon interaction<br />
Parity invariance: the requirement for the potential is<br />
which can be fulfilled by using only terms containing an even power <strong>of</strong> r<br />
and p together.<br />
Time reversal invariance: it requires<br />
so that an even number <strong>of</strong> p and σ combined are allowed in each term.<br />
Terms (<strong>of</strong> lowest order) which obey invariance requirements:<br />
(4)<br />
All <strong>of</strong> these can be combined with arbitrary functions <strong>of</strong> r and p.
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