Pion Decay Constant at Finite Temperature in the Nonlinear Sigma Model

Details Pion Decay Constant at Finite Temperature in the Nonlinear Sigma Model Pion Decay Constant at Finite Temperature in the Nonlinear Sigma Model

1996-02-26

arxiv.org/abs/hep-ph/9602400v1

Phys.Rev. D54 (1996) 6475-6478

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, one latex file and one postscript file (uses psfig). Uuencoded

Scientific paper

10.1103/PhysRevD.54.6475

We calculate the pion decay constant near the critical temperature of the
$O(N)$ nonlinear sigma model in the large $N$ limit. Making use of the known
low temperature behavior, we construct a Pad\'{e} approximant to obtain the
behavior of $f_\pi(T)$ at all temperatures.

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