Publications (14)
Hadron Physics Opportunities at FAIR
J. G. Messchendorp, F. Nerling, P. Achenbach +103
This White Paper outlines a coordinated, decade-spanning programme of hadron and QCD studies anchored at the GSI/FAIR accelerator complex. Profiting from intense deuteron, proton a…
Search for axion-like particles through nuclear Primakoff production using the GlueX detector
J. R. Pybus, T. Kolar, B. Devkota +40
We report on the results of the first search for the production of axion-like particles (ALP) via Primakoff production on nuclear targets using the GlueX detector. This search uses…
First Measurement of Polarized Photoproduction Cross Section
GlueX Collaboration, F. Afzal, C. S. Akondi +149
We measure for the first time the differential photoproduction cross section of the meson at an average photon beam energy of 8.5~GeV, using data with an integ…
Measurement of the J/ photoproduction cross section over the full near-threshold kinematic region
GlueX Collaboration, S. Adhikari, F. Afzal +150
We report the total and differential cross sections for photoproduction with the large acceptance GlueX spectrometer for photon beam energies from the threshold at 8.2~GeV u…
Measurement of Spin-Density Matrix Elements in Production with a Linearly Polarized Photon Beam at
GlueX Collaboration, S. Adhikari, F. Afzal +150
The GlueX experiment at Jefferson Lab studies photoproduction of mesons using linearly polarized photons impinging on a hydrogen target which is contained within…
ePIC Early Science Report
D. Abbott, N. Abdelrahman, S. Abhijit +781
This Early Science Report from the ePIC Collaboration outlines the compelling physics program achievable during the first years of operation of the Electron-Ion Collider (EIC), pri…
First measurement using elliptically polarized photons of the double-polarization observable for and
A2 Collaboration, F. Afzal, K. Spieker +74
We report the measurement of the helicity asymmetry for the and final states using, for the first time, an elliptically polarized photon beam in combination wit…
Upper Limit on the Photoproduction Cross Section of the Spin-Exotic
GlueX Collaboration, F. Afzal, C. S. Akondi +147
The spin-exotic hybrid meson is predicted to have a large decay rate to the final state. Using 76.6~pb of data collected with the GlueX detector, we…
First Measurement of Near- and Sub-Threshold Photoproduction off Nuclei
J. R. Pybus, L. Ehinger, T. Kolar +65
We report on the first measurement of photoproduction from nuclei in the photon energy range of to GeV, extending above and below the photoproduction threshold in…
Measurement of Spin-Density Matrix Elements in photoproduction
F. Afzal, C. S. Akondi, M. Albrecht +146
We measure the spin-density matrix elements (SDMEs) of the in the photoproduction reaction with the GlueX experiment in Hall D at Jeffer…
Baryon-antibaryon photoproduction cross sections off the proton
GlueX Collaboration, F. Afzal, M. Albrecht +137
The GlueX experiment at Jefferson Lab has observed and, for the first time, and photoproduction from a proton target at photon energies up to 11.6 G…
Measurement of the Total Compton Scattering Cross Section between 6.5 and 11 GeV
GlueX Collaboration, F. Afzal, C. S. Akondi +148
The total cross section for Compton scattering off atomic electrons, $γ+e\rightarrowγ'+e'$, was measured using photons with energies between 6.5 and 11.1 GeV incident on a Be…
White Paper on Polarized Target Studies with Real Photons in Hall D
F. Afzal, M. M. Dalton, A. Deur +5
This white paper summarizes the Workshop on Polarized Target Studies with Real Photons in Hall D at Jefferson Lab, that took place on 21 February 2024. The Workshop included about…
Strong Interaction Physics at the Luminosity Frontier with 22 GeV Electrons at Jefferson Lab
A. Accardi, P. Achenbach, D. Adhikari +441
This document presents the initial scientific case for upgrading the Continuous Electron Beam Accelerator Facility (CEBAF) at Jefferson Lab (JLab) to 22 GeV. It is the result of a…