244 citations · 3.3k across the 161 of their papers we have counts for
26 papers · 1 filter
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…
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…
New high-statistics measurement of the Dalitz decay at the Mainz Microtron
S. Prakhov, L. Heijkenskjöld, S. Abt +69
The Dalitz decay has been measured with the highest statistical accuracy obtained so far in the reaction with the A2 tagged-photon facility at the M…
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…
Multidimensional Measurements of Beam Single Spin Asymmetries in Semi-inclusive Deep-inelastic Charged Kaon Electroproduction off Protons in the Valence Region
A. Kripko, S. Diehl, K. Joo +136
Measurements of beam single spin asymmetries in semi-inclusive deep inelastic electron scattering (SIDIS) with positively charged kaons off protons have been performed with 10.6 an…
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…
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…
ECCE unpolarized TMD measurements
R. Seidl, A. Vladimirov, J. K. Adkins +273
We performed feasibility studies for various measurements that are related to unpolarized TMD distribution and fragmentation functions. The processes studied include semi-inclusive…
ECCE Sensitivity Studies for Single Hadron Transverse Single Spin Asymmetry Measurements
R. Seidl, A. Vladimirov, D. Pitonyak +275
We performed feasibility studies for various single transverse spin measurements that are related to the Sivers effect, transversity and the tensor charge, and the Collins fragment…
Target and beam-target asymmetries for the reaction
S. Garni, V. L. Kashevarov, A. Fix +81
Background: Photoproduction of pion pairs allows to study sequential decays of nucleon resonances via excited intermediate states. Such decays are important e.g. for states which i…
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…
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…
Differential Cross Sections for Neutron-Proton Scattering in the Region of the Dibaryon Resonance
P. Adlarson, W. Augustyniak, W. Bardan +102
Differential cross sections have been extracted from exclusive and kinematically complete high-statistics measurements of quasifree polarized scattering performed in the…
High-statistics measurement of the eta->3pi^0 decay at the Mainz Microtron
S. Prakhov, S. Abt, P. Achenbach +85
The largest, at the moment, statistics of 7x10^6 eta->3pi^0 decays, based on 6.2x10^7 eta mesons produced in the gamma p -> eta p reaction, has been accumulated by the A2 Collabora…
Search for violation in the decay with WASA-at-COSY
P. Adlarson, W. Augustyniak, W. Bardan +90
We report on the investigation of the rare decay which is of interest to study both violation in the electromagnetic interaction and to…
Strange Hadron Spectroscopy with a Secondary KL Beam at GlueX
M. J. Amaryan, M. Bashkanov, J. Ritman +3
We propose to create a secondary beam of neutral kaons in Hall D at Jefferson Lab to be used with the GlueX experimental setup for strange hadron spectroscopy. A flux on the order…
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)…
Measurement of the Dalitz plot distribution
P. Adlarson, W. Augustyniak, W. Bardan +107
Dalitz plot distribution of the decay is determined using a data sample of mesons from reaction at 1 GeV collected by the…
Search for a dark photon in the decay
COSY Collaboration, P. Adlarson, W. Augustyniak +113
The presently world largest data sample of pi0 --> gamma e+e- decays containing nearly 5E5 events was collected using the WASA detector at COSY. A search for a dark photon U produc…
Measurement of eta meson decays into lepton-antilepton pairs
WASA Collaboration, M. Berłowski, Chr. Bargholtz +50
A search for rare lepton decays of the eta meson was performed using the WASA detector at CELSIUS. Two candidates for double Dalitz decay eta->e+e-e+e- events are reported with a b…