Complete one-loop analysis of the nucleon's spin polarizabilities

Details Complete one-loop analysis of the nucleon's spin polarizabilities Complete one-loop analysis of the nucleon's spin polarizabilities

2000-02-10

arxiv.org/abs/nucl-th/0002027v1

Phys.Rev.Lett. 85 (2000) 14-17

Physics

Nuclear Physics

Nuclear Theory

4 pp, REVTEX

Scientific paper

10.1103/PhysRevLett.85.14

We present a complete one-loop analysis of the four nucleon spin polarizabilities in the framework of heavy baryon chiral perturbation theory. The first non-vanishing contributions to the isovector and first corrections to the isoscalar spin polarizabilities are calculated. No unknown parameters enter these predictions. We compare our results to various dispersive analyses. We also discuss the convergence of the chiral expansion and the role of the delta isobar.

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