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Publication Information
Title Double deeply virtual Compton scattering with positron beams at SoLID
Abstract Double Deeply Virtual Compton Scattering (DDVCS) is the only experimental channel for the determination of the dependence of the Generalized Parton Distributions (GPDs) on both the average and the transferred momentum independently. The physics observables of the electron induced di-muon production reaction $\vv{e}^{\pm}p \to e^{\pm}p\mu^+\mu^-$ off unpolarized hydrogen are discussed. Their measurement with the high luminosity and large acceptance SoLID spectrometer at the Thomas Jefferson National Accelerator Facility, using polarized and unpolarized positron and electron beams at 11 GeV is investigated. This experimental configuration is shown to provide unprecedented access to the GPDs with the determination of the real and imaginary parts of the Compton Form Factor ${\mathcal H}$ in an unexplored phase space, and to enable an exploratory investigation of higher twist effects.
Author(s) Shengying Zhao, Alexandre Camsonne, Dominique Marchand, Malek Mazouz, Nikos Sparveris, Stepan Stepanyan, Eric Voutier, Zhiwen Zhao
Publication Date July 2021
Document Type Journal Article
Primary Institution Thomas Jefferson National Accelerator Facility, Newport News
Affiliation Exp Nuclear Physics / Experimental Halls / Hall A
Funding Source Nuclear Physics (NP)
Proprietary? No
This publication conveys Technical Science Results
Document Numbers
JLAB Number: JLAB-PHY-21-3355 OSTI Number: 1824169
LANL Number: arXiv:2103.12773 Other Number: DOE/OR/23177-5175
Associated with an experiment No
Associated with EIC No
Supported by Jefferson Lab LDRD Funding No
Journal Article
Journal Name European Physical Journal C
Refereed Yes
Volume 57
Issue
Page(s) 240
Attachments/Datasets/DOI Link
Document(s)
2103.12773.pdf (STI Document)
2103.12773.pdf (Accepted Manuscript)
DOI Link
Dataset(s) (none)
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