QCD Laplace Sum Rules and the $Π(1300)$ Resonance

Details QCD Laplace Sum Rules and the $Π(1300)$ Resonance QCD Laplace Sum Rules and the $Π(1300)$ Resonance

1997-06-23

arxiv.org/abs/hep-ph/9706473v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 pages, latex, no figures, uses sprocl.sty, to appear in the proceedings of the DPF 1996 meeting, Minneapolis

Scientific paper

A global fit to the shape of the first QCD Laplace sum rule exhibiting sensitivity to pion-resonance [$\Pi (1300)$] parameters is performed, leading to predictions for the pion-resonance mass and decay constant. This fit leads to predictions of $M_{\pi} = 1.15 \pm 0.15 GeV$ for the pion-resonance mass, and $F_\pi^2=(4.5\pm 2.1).(f_\pi^2m_\pi^4/M_\pi^4)$ for the pion-resonance decay constant.

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