Towards semi-inclusive deep inelastic scattering at next-to-next-to-leading order

Daniele Anderle, Daniel de Florian, and Yamila Rotstein Habarnau
Phys. Rev. D 95, 034027 – Published 22 February 2017

Abstract

In this paper, we compute the first set of O(αs2) corrections to semi-inclusive deep inelastic scattering structure functions. We start by studying the impact of the contribution of the partonic subprocesses that open at this order for the longitudinal structure function. We perform the full calculation analytically, and obtain the expression of the factorized cross section at this order. Special care is given to the study of their flavor decomposition structure. We analyze the phenomenological effect of the corrections finding that, even though expected to be small a priori, it turns out to be sizable with respect to the previous order known, calling for a full next-to-next-to-leading order calculation.

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  • Received 12 December 2016

DOI:https://doi.org/10.1103/PhysRevD.95.034027

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Particles & Fields

Authors & Affiliations

Daniele Anderle1,2, Daniel de Florian3,*, and Yamila Rotstein Habarnau3

  • 1Institute for Theoretical Physics, University of Tübingen, Auf der Morgenstelle 14, 72076 Tübingen, Germany
  • 2Lancaster-Manchester-Sheffield Consortium for Fundamental Physics, School of Physics & Astronomy, University of Manchester, Manchester M13 9PL, United Kingdom
  • 3International Center for Advanced Studies (ICAS), ECyT-UNSAM, Campus Miguelete, 25 de Mayo y Francia, (1650) Buenos Aires, Argentina

  • *On leave from Departamento de Física, FCEyN, Universidad de Buenos Aires, Argentina.

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Issue

Vol. 95, Iss. 3 — 1 February 2017

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