The Sivers asymmetry of vector meson production in semi-inclusive deep inelastic scattering

Abstract

The transverse single-spin asymmetry for ${\rho }^0$ production in semi-inclusive deep inelastic scattering was recently reported by the COMPASS Collaboration. Using the Sivers functions extracted from pion and kaon productions, we perform a calculation of the Sivers asymmetry within the transverse momentum dependent factorization. Our results are consistent with the COMPASS data, confirming the universality of the Sivers functions within current experimental uncertainties. While various global analyses of Sivers functions can equally well describe the current data, we obtain very different predictions on the Sivers asymmetry of $\rho$ and $K^{\ast }$ productions at electron-ion colliders, which therefore are expected to provide further constraints.

References in corpus (11)

• Electron-Ion Collider in China
• Sivers Effect for Pion and Kaon Production in Semi-Inclusive Deep Inelastic Scattering
• Non-perturbative structure of semi-inclusive deep-inelastic and Drell-Yan scattering at small transverse momentum
• Extraction of the Sivers function from SIDIS, Drell-Yan, and $W^{\pm }/Z$ boson production data with TMD evolution
• Global analysis of the Sivers functions at NLO+NNLL in QCD
• N${}^3$LO extraction of the Sivers function from SIDIS, Drell-Yan, and $W^{\pm }/Z$ data
• Single Spin Asymmetries in Charged Kaon Production from Semi-Inclusive Deep Inelastic Scattering on a Transversely Polarized ${}^3\mathrm{He}$ Target
• The three-dimensional distribution of quarks in momentum space
• The Spin Alignment of Vector Mesons in High Energy pp Collisions
• Towards three-dimensional nucleon structures at the Electron-Ion Collider in China: A study of the Sivers function
• Collins and Sivers transverse-spin asymmetries in inclusive muoproduction of ${\rho }^0$ mesons