Regge Slope and the Parameter in Quantum Chromodynamics: An Empirical Approach via Quarkonia
W Buchmüller, G Grunberg, SHH Tye - Physical Review Letters, 1980 - APS
W Buchmüller, G Grunberg, SHH Tye
Physical Review Letters, 1980•APSThe string constant (or, equivalently, the asymptotic Regge slope α′) is related to the Λ
parameter in quantum chromodynamics (QCD). The empirical information from the Ψ, ϒ
spectroscopies is used to determine this relation. In so doing a quarkonium potential in
excellent agreement with experimental data is also obtained. It is found that Λ ms―= 0.5
GeV and α′= 1 GeV− 2.
parameter in quantum chromodynamics (QCD). The empirical information from the Ψ, ϒ
spectroscopies is used to determine this relation. In so doing a quarkonium potential in
excellent agreement with experimental data is also obtained. It is found that Λ ms―= 0.5
GeV and α′= 1 GeV− 2.
Abstract
The string constant (or, equivalently, the asymptotic Regge slope α′) is related to the Λ parameter in quantum chromodynamics (QCD). The empirical information from the Ψ, ϒ spectroscopies is used to determine this relation. In so doing a quarkonium potential in excellent agreement with experimental data is also obtained. It is found that Λ ms―= 0.5 GeV and α′= 1 GeV− 2.
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