Nuclear and Atomic Physics


On Proton-Neutron Indistinguishabilty and Distinguishability in the Nucleus

Authors: Syed Afsar Abbas

There is a fundamental duality in as to how protons and neutrons are treated as formimg the nucleus. A nucleus can be described well in an SU (2) I model (where (p-n) are indistinguishable) and in another independent picture where the pair (p-n) is treated as made up of distinguishable proton and netron fermions. Both of these apparently provide successful equivalent descriptions of the nucleus. How this is possible is the focus of this paper. Starting with the Standard Model and the SU(3)-flavour quark models, we look at the microssopic basis for this duality. Chirality and anomaly cancellation and its matching, play a basic role in our work.

Comments: 10 Pages.

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Submission history

[v1] 2017-06-09 01:26:59

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