1994
DOI: 10.1103/physrevd.50.3102
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Leptoproduction of heavy quarks. II. A unified QCD formulation of charged and neutral current processes from fixed-target to collider energies

Abstract: TO avoid circumlocutions, we will often use the terminology of the operator product expansion when discussing factorization theorems. In particular, we will use the term "Wilson coefficient" to denote the short-distance coefficient in the standard factorization theorem for deep-inelastic scattering etc.3 102

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Cited by 520 publications
(804 citation statements)
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“…The prescription of Ref. [17], for instance, gives µ 2 ≃ m 2 c at small Q 2 and µ 2 ≃ Q 2 /2 at Q 2 ≫ m 2 c . In Fig.…”
mentioning
confidence: 99%
“…The prescription of Ref. [17], for instance, gives µ 2 ≃ m 2 c at small Q 2 and µ 2 ≃ Q 2 /2 at Q 2 ≫ m 2 c . In Fig.…”
mentioning
confidence: 99%
“…An approximate solution of the DGLAP evolution equation for the b-quark PDF b(x, µ F ) with initial condition b(x, µ F ) = 0 at µ F = m b exhibits the collinear logarithm at leading order in α s as follows [9,10],…”
Section: Theoretical Frameworkmentioning
confidence: 99%
“…2 with a low-p T b quark. In this approach, the b quark is treated as massless in the hard scattering process qb → W bq ′ , the so-called (simplified) ACOT scheme [9,10], and its mass only appears as a collinear regulator in the initial g → bb splitting function. The resulting logarithms α s ln(m b /µ F ) are resummed via DGLAP evolution of the b-quark PDF.…”
Section: Introductionmentioning
confidence: 99%
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“…The ACOT prescription [61] introduces a variable flavor number scheme which treats the number of active flavors #as a scale-dependent quantity. In particular, it suggests the use of a threefl~avor evolution for p < rnQ and a four-flavor evolution above rnQ with continuity at the break point.…”
Section: Measurement Of Quark Densitiesmentioning
confidence: 99%