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Quark Sivers Function at Small-$x$: Leading contribution from the Spin-Dependent Odderon
by M. Gabriel Santiago
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Submission summary
| Authors (as registered SciPost users): | M Gabriel Santiago |
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| Preprint Link: | https://arxiv.org/abs/2108.01046v1 (pdf) |
| Date accepted: | Feb. 28, 2022 |
| Date submitted: | Aug. 3, 2021, 3:25 a.m. |
| Submitted by: | M Gabriel Santiago |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | 28th Annual Workshop on Deep-Inelastic Scattering (DIS) and Related Subjects (DIS2021) |
| Ontological classification | |
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| Academic field: | Physics |
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| Approach: | Theoretical |
Abstract
We present the calculation of the leading contribution to the quark Sivers function at small-Bjorken $x$. This calculation uses the high energy scattering approximation and operator formalism developed by Kovchegov and Sievert to obtain a dominant contribution to the quark Sivers function coming from the spin-dependent odderon, in agreement with the results of Dong, Zhen, and Zhou. We then calculate this dominant contribution in the diquark model of the proton to obtain a small-$x$ estimate for the Sivers function.
Published as SciPost Phys. Proc. 8, 027 (2022)