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Possible studies of gluon transversity in the spin-1 deuteron at hadron-accelerator facilities
by S. Kumano and Qin-Tao Song
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Submission summary
| Authors (as registered SciPost users): | Shunzo Kumano |
| Submission information | |
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| Preprint Link: | scipost_202107_00077v1 (pdf) |
| Date accepted: | 2022-03-23 |
| Date submitted: | 2021-07-29 01:54 |
| Submitted by: | Kumano, Shunzo |
| 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 |
| Specialties: |
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| Approach: | Theoretical |
Abstract
Chiral-odd gluon transversity distribution could shed light on a new aspect of hadron physics. Although we had much progress recently on quark transversity distributions, there is no experimental measurement on the gluon transversity. The gluon trasversity does not exist in the spin-1/2 nucleons and it exists in the spin-1 deuteron. Therefore, it could probe new hadron physics in the deuteron beyond the basic bound system of a proton and a neutron because the nucleons cannot contribute directly. Here, we explain that the gluon transversity can be measured at hadron accelerator facilities, such as Fermilab and NICA, in addition to charged-lepton scattering measurements at lepton accelerator facilities by showing cross sections of the proton-deuteron Drell-Yan process as an example.
Published as SciPost Phys. Proc. 8, 100 (2022)