Twist-3 effects in polarized Drell-Yan and semi-inclusive DIS
Yuji Koike (Niigata Univ.)
TL;DR
This paper explores twist-3 effects in polarized Drell-Yan and semi-inclusive DIS, providing estimates and cross sections to deepen understanding of spin asymmetries and polarized baryon production.
Contribution
It introduces a simple estimate for the longitudinal-transverse spin asymmetry in polarized Drell-Yan and derives a cross section for polarized baryon production in semi-inclusive DIS.
Findings
Estimated spin asymmetry in polarized Drell-Yan process.
Derived cross section for polarized baryon production in DIS.
Enhanced understanding of twist-3 contributions in spin phenomena.
Abstract
Two twist-3 processes are discussed. We first present a simple estimate of the longitudinal-transverse spin asymmetry in the polarized Drell-Yan process. We next derive a cross section for the semi-inclusive production of a polarized spin-1/2 baryon in the DIS of an unpolarized electron off the polarized nucleon.
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