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Using coherent dipion photoproduction to image gold nuclei

by Spencer R. Klein

Submission summary

As Contributors: Spencer Klein
Arxiv Link: https://arxiv.org/abs/2107.10447v1 (pdf)
Date submitted: 2021-07-23 02:48
Submitted by: Klein, Spencer
Submitted to: SciPost Physics Proceedings
Proceedings issue: DIS2021
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.

Current status:
Editor-in-charge assigned


Submission & Refereeing History

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Submission 2107.10447v1 on 23 July 2021

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