We show that a recent interesting idea to circumvent the diffi- culties with the continuation of parton distribution functions to the Euclidean region, that consists in looking at equal time correlators be- tween proton states of infinite momentum, encounters some problems related to the power divergent mixing pattern of DIS operators, when implemented within the lattice regularization.
A note on lattice regularization and equal-time correlators for parton distribution functions / G. C., Rossi; Testa, Massimo. - In: PHYSICAL REVIEW D. - ISSN 2470-0029. - STAMPA. - 96:1(2017), pp. 014507-014515. [10.1103/PhysRevD.96.014507]
A note on lattice regularization and equal-time correlators for parton distribution functions
TESTA, Massimo
2017
Abstract
We show that a recent interesting idea to circumvent the diffi- culties with the continuation of parton distribution functions to the Euclidean region, that consists in looking at equal time correlators be- tween proton states of infinite momentum, encounters some problems related to the power divergent mixing pattern of DIS operators, when implemented within the lattice regularization.| File | Dimensione | Formato | |
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