The magnitude of the gluon condensate and the masses of $c$ and $b$ quarks from the families of ${\cal J}$/$Ψ$ and $Υ$ mesons

Details The magnitude of the gluon condensate and the masses of $c$ and $b$ quarks from the families of ${\cal J}$/$Ψ$ and $Υ$ mesons The magnitude of the gluon condensate and the masses of $c$ and $b$ quarks from the families of ${\cal J}$/$Ψ$ and $Υ$ mesons

1994-07-05

arxiv.org/abs/hep-ph/9407230v1

Phys.Atom.Nucl.58:1771-1777,1995; Yad.Fiz.58:1873-1879,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

in LaTeX, 12 pages, 3 figures available upon request, SSCL - preprint - 534, (1993)

Scientific paper

It is shown that the model used in [1] for the description of the experimental function $R_c (s)$ in the form of a sum of $\delta$-functions and the plateau contradicts the Wilson operator expansion (O.E.) in the terms due to the gluon condensate. A QCD model with an infinite number of vector mesons [12,13] does satisfy the requirements of the O.E. for masses and electronic widths resonances close to the experimental values. The region of allowable values of the masses of $c$ and $b$-quarks and the gluon condensate compatible with the O.E. is obtained (Figs. 2,3).

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