2008
DOI: 10.1088/1126-6708/2008/04/061
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Modelling light-cone distribution amplitudes from non-relativistic bound states

Abstract: We calculate light-cone distribution amplitudes for non-relativistic bound states, including radiative corrections from relativistic gluon exchange to first order in the strong coupling constant. We distinguish between bound states of quarks with equal (or similar) mass, m 1 ∼ m 2 , and between bound states where the quark masses are hierarchical, m 1 ≫ m 2 . For both cases we calculate the distribution amplitudes at the non-relativistic scale and

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Cited by 81 publications
(148 citation statements)
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References 69 publications
(104 reference statements)
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“…Applying the one-loop evolution equation of the B-meson DA φ − B (ω, µ) in the absence of the light-quark mass effect 39) where the renormalization kernel H (1) − (ω, ω , µ) can be found in [39,40], we can readily compute the last term of (3.38) as…”
Section: The Nll Hard and Jet Functionsmentioning
confidence: 99%
See 1 more Smart Citation
“…Applying the one-loop evolution equation of the B-meson DA φ − B (ω, µ) in the absence of the light-quark mass effect 39) where the renormalization kernel H (1) − (ω, ω , µ) can be found in [39,40], we can readily compute the last term of (3.38) as…”
Section: The Nll Hard and Jet Functionsmentioning
confidence: 99%
“…which was also demonstrated to be valid from a non-relativistic toy model manifestly at NLO in the strong coupling constant [39]. With regarding to the three-particle quark-gluon DA of the B-meson, we will employ the exponential model inspired from the canonical behaviour predicted by the HQET sum rules at tree level [7] …”
Section: Theory Input Parametersmentioning
confidence: 99%
“…For instance, Z ± were computed in refs. [34,35] using a two-parton external state with on-shell quarks H = h(p)q(k), for which one obtains at leading order:…”
Section: Jhep05(2009)091mentioning
confidence: 99%
“…Working in dimensional regularisation with d = 4 − 2ε dimensions, in the Feynman gauge and in theMS scheme, one obtains from the three diagrams shown in figure 1 [34,35]:…”
Section: Jhep05(2009)091mentioning
confidence: 99%
See 1 more Smart Citation