On the thermal mass shift of nucleons

Details On the thermal mass shift of nucleons On the thermal mass shift of nucleons

1997-02-21

arxiv.org/abs/hep-ph/9702388v2

Phys.Lett. B401 (1997) 327-329

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages (revtex) and 2 figures as ps-files, corrected typos

Scientific paper

10.1016/S0370-2693(97)00417-6

The mass shift $\Delta m_N$ of a nucleon in the finite temperature pion gas is calculated in the case of an arbitrary nucleon momentum. A general formula is used which relates the in-medium mass shift $\Delta m(E)$ of a particle to the real part of the forward scattering amplitude $Re f(E)$ of this particle on constituents of the medium and its applicability domain is formulated. The mass shift of the nucleon in thermal equilibrium with pion gas is also calculated.

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