396 citations · 14.4k across the 280 of their papers we have counts for
66 papers · 1 filter
Electro- and photoproduction of muon pairs with CLAS12: Double Deeply Virtual Compton Scattering, Timelike Compton Scattering, and production
J. S. Alvarado, N. Baltzell, M. Bondi +98
The CEBAF Large Acceptance Spectrometer for operation at 12 GeV (CLAS12) at the Thomas Jefferson National Accelerator Facility has played a central role in advancing the understand…
Measurement of the near-threshold J photoproduction cross section with the CLAS12 experiment
P. Chatagnon, V. Kubarovsky, R. Paremuzyan +147
We present measurements of the total and differential cross sections for near-threshold J/ photoproduction obtained with the CLAS12 detector at the Thomas Jefferson National Acc…
Proton Transparency and Neutrino Physics: New Methods and Modeling
S. Dytman, M. Betancourt, N. Steinberg +139
Extracting accurate results from neutrino oscillation and cross section experiments requires accurate simulation of the neutrino-nucleus interaction. The rescattering of outgoing h…
Inclusive Electron Scattering in the Resonance Region off a Hydrogen Target with CLAS12
V. Klimenko, D. S. Carman, R. W. Gothe +135
Inclusive electron scattering cross sections off a hydrogen target at a beam energy of 10.6 GeV have been measured with data collected from the CLAS12 spectrometer at Jefferson Lab…
First Measurement of Deeply Virtual Compton Scattering on the Neutron with Detection of the Active Neutron
CLAS Collaboration, A. Hobart, S. Niccolai +146
Measuring Deeply Virtual Compton Scattering on the neutron is one of the necessary steps to understand the structure of the nucleon in terms of Generalized Parton Distributions (GP…
First measurement of hard exclusive electroproduction beam-spin asymmetries off the proton
S. Diehl, N. Trotta, K. Joo +142
The polarized cross section ratio from hard exclusive electroproduction off an unpolarized hydrogen target has been extracted based on beam-spin asym…
First CLAS12 measurement of DVCS beam-spin asymmetries in the extended valence region
CLAS Collaboration, G. Christiaens, M. Defurne +168
Deeply virtual Compton scattering (DVCS) allows one to probe Generalized Parton Distributions (GPDs) describing the 3D structure of the nucleon. We report the first measurement of…
Searching for Prompt and Long-Lived Dark Photons in Electro-Produced Pairs with the Heavy Photon Search Experiment at JLab
P. H. Adrian, N. A. Baltzell, M. Battaglieri +81
The Heavy Photon Search experiment (HPS) at the Thomas Jefferson National Accelerator Facility searches for electro-produced dark photons. We report results from the 2016 Engineeri…
A multidimensional study of the structure function ratio from hard exclusive electro-production off protons in the GPD regime
S. Diehl, A. Kim, K. Joo +151
A multidimensional extraction of the structure function ratio from the hard exclusive reaction above the resonance region has been pe…
First observation of correlations between spin and transverse momenta in back-to-back dihadron production at CLAS12
H. Avakian, T. B. Hayward, A. Kotzinian +153
We report the first measurements of deep inelastic scattering spin-dependent azimuthal asymmetries in back-to-back dihadron electroproduction, where two hadrons are produced in opp…
The Heavy Photon Search Experiment
Nathan Baltzell, Marco Battaglieri, Mariangela Bondi +59
The Heavy Photon Search (HPS) experiment is designed to search for a new vector boson in the mass range of 20 MeV/ to 220 MeV/ that kinetically mixes with the…
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…
Light dark matter searches with positrons
M. Battaglieri, A. Bianconi, P. Bisio +28
We discuss two complementary strategies to search for light dark matter (LDM) exploiting the positron beam possibly available in the future at Jefferson Laboratory. LDM is a new co…
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…
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…
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…
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…
Search for a Dark Photon in Electro-Produced Pairs with the Heavy Photon Search Experiment at JLab
P. H. Adrian, N. A. Baltzell, M. Battaglieri +74
The Heavy Photon Search experiment took its first data in a 2015 engineering run using a 1.056 GeV, 50 nA electron beam provided by CEBAF at the Thomas Jefferson National Accelerat…
Measurement of Unpolarized and Polarized Cross Sections for Deeply Virtual Compton Scattering on the Proton at Jefferson Laboratory with CLAS
N. Hirlinger Saylor, B. Guegan, V. D. Burkert +8
This paper reports the measurement of polarized and unpolarized cross sections for the ep -> e'p' reaction, which is comprised of Deeply Virtual Compton Scattering (DVCS) and Bethe…
Search for a Dark Photon in Electro-Produced Pairs with the Heavy Photon Search Experiment at JLab
P. H. Adrian, N. A. Baltzell, M. Battaglieri +74
The Heavy Photon Search experiment took its first data in a 2015 engineering run at the Thomas Jefferson National Accelerator Facility, searching for a prompt, electro-produced dar…
Exclusive photoproduction of up to large values of Mandelstam variables and with CLAS
M. C. Kunkel, 32, 18 M. J. Amaryan +156
Exclusive photoproduction cross sections have been measured for the process with the Dalitz decay final state using tagged photon energies in the r…
Dark matter search in a Beam-Dump eXperiment (BDX) at Jefferson Lab
M. Battaglieri, A. Bersani, B. Caiffi +101
MeV-GeV dark matter (DM) is theoretically well motivated but remarkably unexplored. This proposal presents the MeV-GeV DM discovery potential for a 1 m segmented CsI(Tl)…
Cross sections for the exclusive photon electroproduction on the proton and Generalized Parton Distributions
H. S. Jo, F. X. Girod, H. Avakian +7
Unpolarized and beam-polarized four-fold cross sections for the reaction were measured using the CLAS detector and the 5…
Single and double spin asymmetries for deeply virtual Compton scattering measured with CLAS and a longitudinally polarized proton target
S. Pisano, A. Biselli, S. Niccolai +4
Single-beam, single-target, and double-spin asymmetries for hard exclusive photon production on the proton are presented. The data were taken at Jeffers…