Author

H. Avakian

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Preprint Sep 2026

First Measurement of Near-Threshold J/{\psi} Photoproduction on the Neutron

We report the first measurement of the total and t-differential cross sections for near-threshold J/$\psi$ photoproduction on the neutron, obtained with the CLAS12 detector at the Thomas Jefferson National Accelerator Facility. The measurements, performed using a liquid-deuterium target, also provide the incoherent tot...

R. Tyson, D. Ireland, B. McKinnon et al. · 0 citations

Preprint Aug 2026

Direct Bayesian Inference of Helicity Amplitudes from Detector-Level Scattering Data

Helicity amplitudes give the most complete description of a variety of scattering reactions used in studies of strong interactions, but they cannot be measured directly: experiments record bilinear combinations of them folded through a detector response, and conventional analyses recover them through multiple stages th...

Bhawani Singh, H. Avakian, S. Bhattacharya et al. · 2 citations

Preprint Aug 2026

Multi-Differential DVCS Cross Section Measurement on the Proton in the Valence Region with CLAS12

We report the measurement of the four-fold differential cross section of deeply virtual Compton scattering (DVCS) on the proton using a longitudinally polarized 10.6 GeV CEBAF electron beam incident on a liquid-hydrogen target with the CLAS12 detector. The analysis provides 1312 data points, expanding the measured phas...

S. Lee, T. Hayward, L. Elouadrhiri et al. · 0 citations