Examination of Wandzura-Wilczek relation for g2(x, Q2) in pQCD

A. Harindranath; Wei Min Zhang

doi:10.1016/S0370-2693(97)00771-5

Examination of Wandzura-Wilczek relation for g₂(x, Q²) in pQCD

A. Harindranath, Wei Min Zhang

Department of Physics

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

20 Citations (Scopus)

Abstract

In order to examine the validity of Wandzura-Wilczek relation for the polarized DIS structure function g₂(x, Q²), we use the light-front time-ordering pQCD to calculate g₂(x, Q²) at order α_s on a quark target. We find that the study of the transverse polarized structure function in pQCD is only meaningful if we begin with massive quarks. The result shows that the Wandzura-Wilczek relation for g₂(x, Q²) is strongly violated by the quark mass in pQCD.

Original language	English
Pages (from-to)	347-356
Number of pages	10
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	408
Issue number	1-4
DOIs	https://doi.org/10.1016/S0370-2693(97)00771-5
Publication status	Published - 1997 Sep 11

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/S0370-2693(97)00771-5

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title = "Examination of Wandzura-Wilczek relation for g2(x, Q2) in pQCD",

abstract = "In order to examine the validity of Wandzura-Wilczek relation for the polarized DIS structure function g2(x, Q2), we use the light-front time-ordering pQCD to calculate g2(x, Q2) at order αs on a quark target. We find that the study of the transverse polarized structure function in pQCD is only meaningful if we begin with massive quarks. The result shows that the Wandzura-Wilczek relation for g2(x, Q2) is strongly violated by the quark mass in pQCD.",

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AU - Harindranath, A.

AU - Zhang, Wei Min

PY - 1997/9/11

Y1 - 1997/9/11

N2 - In order to examine the validity of Wandzura-Wilczek relation for the polarized DIS structure function g2(x, Q2), we use the light-front time-ordering pQCD to calculate g2(x, Q2) at order αs on a quark target. We find that the study of the transverse polarized structure function in pQCD is only meaningful if we begin with massive quarks. The result shows that the Wandzura-Wilczek relation for g2(x, Q2) is strongly violated by the quark mass in pQCD.

AB - In order to examine the validity of Wandzura-Wilczek relation for the polarized DIS structure function g2(x, Q2), we use the light-front time-ordering pQCD to calculate g2(x, Q2) at order αs on a quark target. We find that the study of the transverse polarized structure function in pQCD is only meaningful if we begin with massive quarks. The result shows that the Wandzura-Wilczek relation for g2(x, Q2) is strongly violated by the quark mass in pQCD.

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JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

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