396 citations · 5.3k across the 70 of their papers we have counts for
70 papers
SAMPA Based Streaming Readout Data Acquisition Prototype
E. Jastrzembski, D. Abbott, J. Gu +6
We have assembled a small-scale streaming data acquisition system based on the SAMPA front-end ASIC. We report on measurements performed on the SAMPA chip and preliminary cosmic ra…
High Precision Measurement of Compton Scattering in the 5 GeV region
P. Ambrozewicz, L. Ye, Y. Prok +94
The cross section of atomic electron Compton scattering was measured in the 4.40--5.475 GeV photon beam energy region by the {\em PrimEx} co…
A Roadmap for HEP Software and Computing R&D for the 2020s
Johannes Albrecht, Antonio Augusto Alves, Guilherme Amadio +307
Particle physics has an ambitious and broad experimental programme for the coming decades. This programme requires large investments in detector hardware, either to build new facil…
Upper limits for the photoproduction cross section for the Phi--(1860) pentaquark state off the deuteron
H. Egiyan, J. Langheinrich, R. W. Gothe +10
We searched for the Phi--(1860) pentaquark in the photoproduction process off the deuteron in the Xi- pi- decay channel using CLAS. The invariant mass spectrum of the Xi- pi- syste…
A New Measurement of the Radiative Decay Width
I. Larin, D. McNulty, E. Clinton +70
High precision measurements of the differential cross sections for photoproduction at forward angles for two nuclei, C and Pb, have been performed for incident…
Tensor Correlations Measured in 3He(e,e'pp)n
H. Baghdasaryan, L. B. Weinstein, J. M. Laget +124
We have measured the 3He(e,e'pp)n reaction at an incident energy of 4.7 GeV over a wide kinematic range. We identified spectator correlated pp and pn nucleon pairs using kinematic…
Beam Spin Asymmetries in DVCS with CLAS at 4 .8 GeV
G. Gavalian
We report measurements of the beam spin asymmetry in Deeply Virtual Compton Scattering (DVCS) at an electron beam energy of 4.8 GeV using the CLAS detector at the Thomas Jefferson…
Nuclear Targets for a Precision Measurement of the Neutral Pion Radiative Width
P. Martel, E. Clinton, R. McWilliams +60
A technique is presented for precision measurements of the area densities, density * T, of approximately 5% radiation length carbon and 208Pb targets used in an experiment at Jeffe…
A Precise Measurement of the Neutron Magnetic Form Factor GMn in the Few-GeV2 Region
J. Lachniet, A. Afanasev, H. Arenhövel +5
The neutron elastic magnetic form factor GMn has been extracted from quasielastic electron scattering data on deuterium with the CEBAF Large Acceptance Spectrometer (CLAS) at Jeffe…
Electroproduction of p π^{+} π^{-} off protons at 0.2<Q^{2}<0.6 GeV^{2} and 1.3<W<1.57 GeV with CLAS
G. V. Fedotov, V. I. Mokeev, V. D. Burkert +5
This paper reports on the most comprehensive data set obtained on differential and fully integrated cross sections for the process . The data were collec…
Measurement of unpolarized semi-inclusive pi+ electroproduction off the proton
CLAS Collaboration, M. Osipenko, M. Ripani +3
Semi-inclusive pi+ electroproduction on protons has been measured with the CLAS detector at Jefferson Lab. The measurement was performed on a liquid-hydrogen target using a 5.75 Ge…
Search for the photo-excitation of exotic mesons in the pi+pi+pi- system
M. Nozar, C. Salgado, D. P. Weygand +2
A search for exotic mesons in the system photoproduced by the charge exchange reaction was carried out by the CLAS collaboration at Jef…
Electroexcitation of the Roper resonance for 1.7 < Q2 < 4.5 GeV2 in ep -> enpi+
I. G. Aznauryan, V. D. Burkert, W. Kim +2
The helicity amplitudes of the electroexcitation of the Roper resonance are extracted for 1.7 < Q2 < 4.5 GeV2 from recent high precision JLab-CLAS cross section and longitudinally…
First measurement of target and double spin asymmetries for polarized e- polarized p --> e p pi0 in the nucleon resonance region above the Delta(1232)
CLAS Collaboration, A. S. Biselli
The exclusive channel polarized proton(polarized e,e prime p)pi0 was studied in the first and second nucleon resonance regions in the Q2 range from 0.187 to 0.770 GeV2 at Jefferson…
Light Vector Mesons in the Nuclear Medium
M. H. Wood, R. Nasseripour, D. P. Weygand +5
The light vector mesons (, , and ) were produced in deuterium, carbon, titanium, and iron targets in a search for possible in-medium modifications to the properties of the…
Moments of the Spin Structure Functions g_1^p and g_1^d for 0.05 < Q^2 < 3.0 GeV^2
Y. Prok, P. Bosted, V. D. Burkert +7
The spin structure functions g_1 for the proton and the deuteron have been measured over a wide kinematic range in x and Q2 using 1.6 and 5.7 GeV longitudinally polarized electrons…
Polarized Structure Function for in the Nucleon Resonance Region
Rakhsha Nasseripour, Brian Raue, Daniel Carman +2
The first measurements of the polarized structure function for the reaction in the nucleon resonance region are reported. Measurements are included fro…
Ratios of 15N/12C and 4He/12C inclusive electroproduction cross sections in the nucleon resonance region
CLAS Collaboration, P. E. Bosted, R. Fersch
The (W,Q2)-dependence of the ratio of inclusive electron scattering cross sections for 15N/12C was determined in the kinematic range 0.8<W<2 GeV and 0.2<Q2<1 GeV2 using 2.285 GeV e…
Deeply Virtual Compton Scattering Beam-Spin Asymmetries
F. X. Girod, R. A. Niyazov et al
The beam spin asymmetries in the hard exclusive electroproduction of photons on the proton (ep -> epg) were measured over a wide kinematic range and with high statistical accuracy.…
Cross sections and beam asymmetries for $\vev{e}p \to enπ^+$ in the nucleon resonance region for
K. Park, V. D. Burkert, W. Kim +1
The exclusive electroproduction process was measured in the range of the photon virtuality , and the invariant mass range…
A Bayesian analysis of pentaquark signals from CLAS data
The CLAS Collaboration, D. G. Ireland
We examine the results of two measurements by the CLAS collaboration, one of which claimed evidence for a pentaquark, whilst the other found no such evidence. The unique fe…
First measurement of coherent -meson photoproduction on deuteron at low energies
CLAS collaboration, T. Mibe, H. Gao +4
The cross section and decay angular distributions for the coherent ϕmeson photoproduction on the deuteron have been measured for the first time up to a squared four-momentum transf…
Evidence for a backward peak in the gamma+d->pi^0+d cross section near the eta threshold
Y. Ilieva, B. L. Berman, A. E. Kudryavtsev +2
High-quality cross sections for the reaction gamma+d->pi^0+d have been measured using the CLAS at Jefferson Lab over a wide energy range near and above the eta-meson photoproductio…
Cascade production in the reactions gamma p --> K+ K+ (X) and gamma p --> K^+ K^+ pi- (X)
L. Guo, D. P. Weygand, M. Battaglieri +3
Photoproduction of the cascade resonances has been investigated in the reactions and . The mass split of the doublet is measured to…