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Intercepts of meson Regge trajectories inSU(Nc)quantum chromodynamics with massless quarks
2010
Physical Review D
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By means of solving the Bethe-Salpeter equation with the minimal perturbative kernel (ladder approximation) in the arbitrary covariant gauge, there was found a series of intercepts of meson Regge trajectories associated with colorless singularities of the four-quark Green function in SU(N_c) quantum chromodynamics with massless quarks. The gauge and renorm-invariance of the result is grounded.
doi:10.1103/physrevd.81.065009
fatcat:odetikqe25giha4psoplz67iti