activity
20132025
most citedFirst measurement of near-threshold J/ exclusive photoproduction off the proton

205 citations · 986 across the 31 of their papers we have counts for

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10 papers · 1 filter

hep-ex2024

Suppression of neutral pion production in deep-inelastic scattering off nuclei with the CLAS detector

T. Mineeva, W. K. Brooks, A. El Alaoui +5

We present the first three-fold differential measurement for neutral pion multiplicity ratios produced in semi-inclusive deep-inelastic electron scattering on carbon, iron and lead…

hep-ex2023★ 1 cited

Probing Light Dark Matter with positron beams at NA64

Yu. M. Andreev, A. Antonov, D. Banerjee +63

We present the results of a missing-energy search for Light Dark Matter which has a new interaction with ordinary matter transmitted by a vector boson, called dark photon $A^\prime…

hep-ex2023

Measurement of the intrinsic hadronic contamination in the NA64 high-purity beam at CERN

Yu. M. Andreev, D. Banerjee, B. Banto Oberhauser +65

In this study, we present the measurement of the intrinsic hadronic contamination at the CERN SPS H4 beamline configured to transport electrons and positrons at 100 GeV/c momentum.…

hep-ex2021★ 12 cited

Search for photoproduction of axion-like particles at GlueX

GlueX Collaboration, S. Adhikari, C. S. Akondi +142

We present a search for axion-like particles, , produced in photon-proton collisions at a center-of-mass energy of approximately 4 GeV, focusing on the scenario where the -gl…

hep-ex2021★ 34 cited

First-time measurement of Timelike Compton Scattering

P. Chatagnon, S. Niccolai, S. Stepanyan +146

We present the first measurement of the Timelike Compton Scattering process, , obtained with the CLAS12 detector at Jefferson Lab. The photon b…

hep-ex2021

Improved Elastic Scattering Cross Sections Between 0.9 and 2.0 GeV/c and Connections to the Neutron Star Equation of State

CLAS Collaboration, J. Rowley, N. Compton +143

Strange matter is believed to exist in the cores of neutron stars based on simple kinematics. If this is true, then hyperon-nucleon interactions will play a significant part in the…

hep-ex2021★ 9 cited

Differential cross sections for Λ(1520) using photoproduction at CLAS

U. Shrestha, T. Chetry, C. Djalali +130

The reaction using photoproduction data from the CLAS experiment at Jefferson Lab is studied. The decay of into two exclusive channel…

hep-ex2021★ 27 cited

Observation of Beam Spin Asymmetries in the Process with CLAS12

T. B. Hayward, C. Dilks, A. Vossen +140

The observation of beam spin asymmetries in two-pion production in semi-inclusive deep inelastic scattering off an unpolarized proton target is reported. The data presented here we…

hep-ex2021

Multidimensional, high precision measurements of beam single spin asymmetries in semi-inclusive electroproduction off protons in the valence region

S. Diehl, A. Kim, G. Angelini +153

High precision measurements of the polarized electron beam-spin asymmetry in semi-inclusive deep inelastic scattering (SIDIS) from the proton have been performed using a 10.6~GeV i…

hep-ex2020★ 14 cited

Beam spin asymmetry in semi-inclusive electroproduction of a hadron pair

M. Mirazita, H. Avakian, A. Courtoy +140

A first measurement of the longitudinal beam spin asymmetry ALU in the semi-inclusive electroproduction of pairs of charged pions is reported. ALU is a higher-twist observable and…