Photon-nucleon entanglement in polarized Compton scattering is generically present and, for neutrons, strongly controlled by the nucleon electric and magnetic polarizabilities.
Compton Scattering and the Spin Structure of the Nucleon at Low Energies
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abstract
We analyze polarized Compton scattering which provides information on the spin-structure of the nucleon. For scattering processes with photon energies up to 100 MeV the spin-structure dependence can be encoded into four independent parameters-the so-called spin-polarizabilities $\gamma_i, i=1...4$ of the nucleon, which we calculate within the framework of the "small scale expansion" in SU(2) baryon chiral perturbation theory. Specific application is made to "forward" and "backward" spin- polarizabilities.
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Photon-nucleon entanglement in Compton scattering at low and high energies
Photon-nucleon entanglement in polarized Compton scattering is generically present and, for neutrons, strongly controlled by the nucleon electric and magnetic polarizabilities.