Power corrections in hadronic scattering (I). Leading 1/Q2 corrections to the Drell-Yan cross section

Jianwei Qiu; George Sterman

doi:10.1016/0550-3213(91)90503-P

Power corrections in hadronic scattering (I). Leading 1/Q² corrections to the Drell-Yan cross section

Jianwei Qiu
, George Sterman

Institute for Theoretical Physics

Stony Brook University

Research output: Contribution to journal › Article › peer-review

195 Scopus citations

Abstract

We review the leading 1/Q² corrections to hadronic structure functions measured in deeply inelastic scattering, and we calculate the leading 1/Q² corrections to Drell-Yan cross section. We find that the leading 1/Q² corrections to a Drell-Yan cross section is given by the convolution of a calculable short-distance hard part, a twist-2 matrix element and a twist-4 matrix element. At leading order in α_s, the normalization of the 1/Q² longitudinal structure functions for Drell-Yan cross sections are determined by higher-twist longitudinal structure functions in deeply inelastic scattering. Other experimental tests of 1/Q² corrections are also discussed.

Original language	English
Pages (from-to)	105-136
Number of pages	32
Journal	Nuclear Physics, Section B
Volume	353
Issue number	1
DOIs	https://doi.org/10.1016/0550-3213(91)90503-P
State	Published - Apr 8 1991

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abstract = "We review the leading 1/Q2 corrections to hadronic structure functions measured in deeply inelastic scattering, and we calculate the leading 1/Q2 corrections to Drell-Yan cross section. We find that the leading 1/Q2 corrections to a Drell-Yan cross section is given by the convolution of a calculable short-distance hard part, a twist-2 matrix element and a twist-4 matrix element. At leading order in αs, the normalization of the 1/Q2 longitudinal structure functions for Drell-Yan cross sections are determined by higher-twist longitudinal structure functions in deeply inelastic scattering. Other experimental tests of 1/Q2 corrections are also discussed.",

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AU - Sterman, George

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N2 - We review the leading 1/Q2 corrections to hadronic structure functions measured in deeply inelastic scattering, and we calculate the leading 1/Q2 corrections to Drell-Yan cross section. We find that the leading 1/Q2 corrections to a Drell-Yan cross section is given by the convolution of a calculable short-distance hard part, a twist-2 matrix element and a twist-4 matrix element. At leading order in αs, the normalization of the 1/Q2 longitudinal structure functions for Drell-Yan cross sections are determined by higher-twist longitudinal structure functions in deeply inelastic scattering. Other experimental tests of 1/Q2 corrections are also discussed.

AB - We review the leading 1/Q2 corrections to hadronic structure functions measured in deeply inelastic scattering, and we calculate the leading 1/Q2 corrections to Drell-Yan cross section. We find that the leading 1/Q2 corrections to a Drell-Yan cross section is given by the convolution of a calculable short-distance hard part, a twist-2 matrix element and a twist-4 matrix element. At leading order in αs, the normalization of the 1/Q2 longitudinal structure functions for Drell-Yan cross sections are determined by higher-twist longitudinal structure functions in deeply inelastic scattering. Other experimental tests of 1/Q2 corrections are also discussed.

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Power corrections in hadronic scattering (I). Leading 1/Q² corrections to the Drell-Yan cross section

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