Source: Krane and Weisskopf page 95 (the tensor force).
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$\begingroup$ What makes a central force a central force? $\endgroup$– Kyle KanosJan 22, 2014 at 16:55
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$\begingroup$ Central forces magnitude depend on the distance from the origin only $\endgroup$– Federico ScanagattaJan 22, 2014 at 16:57
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$\begingroup$ True, but I was looking for something more than that, something about angular momentum. What is special about central forces and angular momentum. $\endgroup$– Kyle KanosJan 22, 2014 at 17:15
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$\begingroup$ Angular momentum is constant? $\endgroup$– Federico ScanagattaJan 22, 2014 at 17:17
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$\begingroup$ Precisely. Does the quadrupole satisfy this condition? $\endgroup$– Kyle KanosJan 22, 2014 at 17:17
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1 Answer
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Because this suggests a force that depends on the orientation of the spins of the nucleons with regard to the vector joining the two nucleons and hence can't be called central force. This force is basically called tensor force.
