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Using coherent dipion photoproduction to image gold nuclei

by Spencer R. Klein

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Submission summary

Authors (as registered SciPost users): Spencer Klein
Submission information
Preprint Link: https://arxiv.org/abs/2107.10447v1  (pdf)
Date accepted: 2022-05-06
Date submitted: 2021-07-23 02:48
Submitted by: Klein, Spencer
Submitted to: SciPost Physics Proceedings
Proceedings issue: 28th Annual Workshop on Deep-Inelastic Scattering (DIS) and Related Subjects (DIS2021)
Ontological classification
Academic field: Physics
Specialties:
  • Nuclear Physics - Experiment
Approaches: Experimental, Phenomenological

Abstract

Vector meson photoproduction offers the opportunity to image target nuclei. The two-dimensional Fourier transform $d\sigma_{\rm coherent}/dt$ of coherent vector meson photoproduction gives the two-dimensional distribution of interaction sites in the target. Since vector meson photoproduction occurs, at lowest order, via two-gluon exchange, this is sensitive to gluon shadowing. We present an analysis of $\pi^+\pi^-$ photoproduction using data from the STAR detector and a study of $d\sigma_{\rm coherent}/dt$, with an emphasis on probing the nuclear shape and its systematic uncertainties.

Published as SciPost Phys. Proc. 8, 128 (2022)


Reports on this Submission

Anonymous Report 1 on 2022-2-10 (Invited Report)

Report

Very nice proceeding and result. Recommend for acceptance and immediate publication.

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