Double-longitudinal spin asymmetry in single-inclusive lepton scattering at NLO

Double-longitudinal spin asymmetry in single-inclusive lepton scattering at NLO We calculate the double-spin asymmetries ALL for the processes ℓN→hX and ℓN→jetX at next-to-leading order accuracy in perturbative QCD. We compare our theoretical results for ALL to data from the SLAC E155 experiment, finding only partially satisfactory agreement. We conclude that measurements of ALL and the relevant polarized and unpolarized cross sections should be performed at the present-day fixed-target lepton scattering experiments, as well as at a future electron ion collider, in order to verify our understanding of this process. We present predictions of the longitudinal double-spin asymmetries for these experiments. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review D American Physical Society (APS)

Double-longitudinal spin asymmetry in single-inclusive lepton scattering at NLO

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Double-longitudinal spin asymmetry in single-inclusive lepton scattering at NLO

Abstract

We calculate the double-spin asymmetries ALL for the processes ℓN→hX and ℓN→jetX at next-to-leading order accuracy in perturbative QCD. We compare our theoretical results for ALL to data from the SLAC E155 experiment, finding only partially satisfactory agreement. We conclude that measurements of ALL and the relevant polarized and unpolarized cross sections should be performed at the present-day fixed-target lepton scattering experiments, as well as at a future electron ion collider, in order to verify our understanding of this process. We present predictions of the longitudinal double-spin asymmetries for these experiments.
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Publisher
The American Physical Society
Copyright
Copyright © © 2017 American Physical Society
ISSN
1550-7998
eISSN
1550-2368
D.O.I.
10.1103/PhysRevD.96.014002
Publisher site
See Article on Publisher Site

Abstract

We calculate the double-spin asymmetries ALL for the processes ℓN→hX and ℓN→jetX at next-to-leading order accuracy in perturbative QCD. We compare our theoretical results for ALL to data from the SLAC E155 experiment, finding only partially satisfactory agreement. We conclude that measurements of ALL and the relevant polarized and unpolarized cross sections should be performed at the present-day fixed-target lepton scattering experiments, as well as at a future electron ion collider, in order to verify our understanding of this process. We present predictions of the longitudinal double-spin asymmetries for these experiments.

Journal

Physical Review DAmerican Physical Society (APS)

Published: Jul 1, 2017

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