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Multidimensional, high precision beam spin asymmetry measurements of semi-inclusive pion production off the proton with CLAS12
by S. Diehl for the CLAS collaboration
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Submission summary
| Authors (as registered SciPost users): | Stefan Diehl |
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| Preprint Link: | scipost_202106_00017v1 (pdf) |
| Date accepted: | 2022-03-17 |
| Date submitted: | 2021-06-10 11:39 |
| Submitted by: | Diehl, Stefan |
| 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: | Experimental |
Abstract
High precision measurements of the polarized electron beam-spin asymmetry in SIDIS from the proton have been performed using a 10.6 GeV incident electron beam and the CLAS12 spectrometer at Jefferson Lab. The proceeding reports a multidimensional study of the structure function ratio $F^{sin\phi}_{LU}/F_{UU}$ extracted from single pion ($\pi^{+}$, $\pi^{-}$, $\pi^{0}$) SIDIS data over a large kinematic range in $z$, $x_{B}$, $P_{T}$ and virtualities $Q^{2}$ ranging from 1~GeV$^2$ up to 7~GeV$^2$. $F^{sin\phi}_{LU}$ is a twist-3 quantity that can reveal novel properties of quark-gluon correlations within the nucleon.
Published as SciPost Phys. Proc. 8, 149 (2022)