The definition of the gauge invariant gluon field in eq. (2.4) in [1] should be divided by (Formula presented.) ∙ P: (Formula presented.) The matching coefficients of the gluon helicity… Click to show full abstract
The definition of the gauge invariant gluon field in eq. (2.4) in [1] should be divided by (Formula presented.) ∙ P: (Formula presented.) The matching coefficients of the gluon helicity in eq. (5.3) in [1] have been corrected, and they should read: (Formula presented.) Accordingly, figures 1 and 2 in the manuscript [1] should be replaced by figures 1 and 2 in this erratum.
               
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