Published April 9, 1992 | Version v1
Journal article

On the quark mass dependence of fp from QSSR

Creators

  • 1. Lab. de Physique Mathematique, Univ. Montpellier-2, 34 (France)

Description

We reanalyze the quark mass MQ dependence of the pseudoscalar decay constant fp from the relativistic QCD spectral sum rules (QSSR). We then deduce the mass formula in units of GeV fp/fπ≅(4.6±0.4)/√MQ(1-1.56/MQ+0.88/MQ2) for 0.64 GeV≤ΔQtriple bond√tc-Mp≤2.14 GeV and for MQ≥Mc, which confirms the previous relativistic QSSR result. We also confirm the flavour independence of the quark-meson mass splitting which we find to be Mp-MQ=(0.6-0.7) GeV. (orig.)

Additional details

Publishing Information

Journal Title
Physics Letters. Section B
Journal Volume
279
Journal Issue
1/2
Series
Phys. Lett., Sect. B.
Journal Page Range
137-139
ISSN
0370-2693
CODEN
PYLBA