Twist-three distributions and their appearance in the doubly-polarized Drell-Yan process

1995/10/30 by R. D. Tangerman, Tangerman, R. D., P. J. Mulders +1 · 1 citation
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ph/9510446

5 pages, Latex, figures included (uses feynman.tex), talk presented by R.D. Tangerman at 2nd Meeting on Possible Measurements of Singly Polarized pp and pn Collisions at HERA (DESY-IfH Zeuthen, Aug 31- Sep 2, 1995)

arxiv created 1995/10/30 · arxiv updated 2009/11/30

Abstract

The twist-three distributions g₂(x) and h₂(x) are defined as quark-field matrix elements between polarized hadron states. They can be written in terms of quark-mass and gluonic operators, after which the Burkhardt-Cottingham sum rule for g₂ can be derived and a similar sum rule for h₂. Their role in the Drell-Yan double-spin asymmetry A_LT is explained.

Cited by

• Measurement of Singly Polarized p + N(pol) Collisions at HERA

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