Journal
PHYSICAL REVIEW D
Volume 105, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.105.056021
Keywords
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Funding
- Japanese Society of Promotion of Science [19K03843, 18J11148]
- National Natural Science Foundation in China [11950410495]
- Guangdong Natural Science Foundation [2020A1515010794]
- South China Normal University
- Grants-in-Aid for Scientific Research [18J11148, 19K03843] Funding Source: KAKEN
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In this study, we investigate the transverse polarization of hyperons produced in semi-inclusive deep inelastic scattering, ep -> e Lambda X-up arrow, using the framework of collinear twist-3 factorization. The cross section of the process is computed in the leading order with respect to the QCD coupling constant, considering the twist-3 distribution functions and quark fragmentation functions. The constraint relations among the twist-3 fragmentation functions are taken into account to simplify the formula. This study is highly relevant to the future Electron Ion Collider experiment regarding large transverse momentum hyperon production.
We study the transverse polarization of hyperons produced in semi-inclusive deep inelastic scattering, ep -> e Lambda X-up arrow, in the framework of the collinear twist-3 factorization. The cross section from the twist-3 distribution functions and the twist-3 quark fragmentation functions is computed in the leading order with respect to the QCD coupling constant. The constraint relations among the twist-3 FFs are taken into account to simplify the formula. The formula is relevant to large-P-T hyperon production in the future Electron Ion Collider experiment.
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