The Nucleon Spin Polarizability at Order $\mathcal{O}(p^4$) in Chiral Perturbation Theory

Abstract

We calculate the forward spin-dependent photon-nucleon Compton amplitude as a function of photon energy at the next-to-leading ($\mathcal{O}(p^4)$) order in chiral perturbation theory, from which we extract the contribution to nucleon spin polarizability. The result shows a large correction to the leading order contribution.

7 pages, latex, 2 figures included as .eps files

Cited by in corpus (27)

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• Spin polarisabilities of the nucleon at NLO in the chiral expansion
• Proton spin polarizabilities from polarized Compton scattering
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• Measurement of the proton spin structure at long distances
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• Topics in Effective Field Theory for Lattice QCD
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• Measurement of the nucleon spin structure functions for 0.01<$Q^2$<1 GeV${}^2$ using CLAS
• Spin Polarisability of the Nucleon in the Heavy Baryon Effective Field Theory