Publications (19)
d(e,e'p) Studies of Exclusive Deuteron Electro-Disintegration
W. U. Boeglin, P. Ambrozewicz, K. Aniol +67
The d(e,e'p) cross section was measured at momentum transfers 0.8, 2.1 and 3.5 covering a wide range of proton kinematics at each setting that made it po…
Precision Rosenbluth measurement of the proton elastic form factors
I. A. Qattan, J. Arrington, R. E. Segel +49
We report the results of a new Rosenbluth measurement of the proton form factors at Q^2 values of 2.64, 3.20 and 4.10 GeV^2. Cross sections were determined by detecting the recoili…
Measurement of the 3He Spin-Structure Functions and of Neutron (3He) Spin-Dependent Sum Rules at 0.035<Q^2<0.24 GeV^2
V. Sulkosky, J. T. Singh, C. Peng +106
The spin-structure functions and , and the spin-dependent partial cross-section have been extracted from the polarized cross-sections differences, $ÎÏ…
High Resolution Spectroscopy of 16N_Lambda by Electroproduction
F. Cusanno, G. M. Urciuoli, A. Acha +96
An experimental study of the 16O(e,e'K^+)16N_Lambda reaction has been performed at Jefferson Lab. A thin film of falling water was used as a target. This permitted a simultaneous m…
Quark-Hadron Duality in Neutron (3He) Spin Structure
P. Solvignon, N. Liyanage, J. -P. Chen +59
We present experimental results of the first high-precision test of quark-hadron duality in the spin-structure function g_1 of the neutron and He using a polarized 3He target i…
The E00-110 experiment in Jefferson Lab's Hall A: Deeply Virtual Compton Scattering off the Proton at 6 GeV
M. Defurne, M. Amaryan, K. A. Aniol +78
We present final results on the photon electroproduction () cross section in the deeply virtual Compton scattering (DVCS) regime and the valence quark reg…
Angular dependence of recoil proton polarization in high-energy γd \to p n
X. Jiang, J. Arrington, F. Benmokhtar +52
We measured the angular dependence of the three recoil proton polarization components in two-body photodisintegration of the deuteron at a photon energy of 2 GeV. These new data pr…
High-resolution hypernuclear spectroscopy at Jefferson Lab, Hall A
Jefferson Lab Hall A Collaboration, F. Garibaldi, A. Acha +97
The experiment E94-107 in Hall A at Jefferson Lab started a systematic study of high resolution hypernuclear spectroscopy in the 0p-shell region of nuclei such as the hypernuclei p…
Spectroscopy of Lambda-9Li by electroproduction
G. M. Urciuoli, F. Cusanno, S. Marrone +95
In the absence of accurate data on the free two-body hyperon-nucleon interaction, the spectra of hypernuclei can provide information on the details of the effective hyperon-nucleon…
A Search for Sigma^0_5, N^0_5 and Theta^++ Pentaquark States
Y. Qiang, J. Annand, J. Arrington +51
A high-resolution (sigma_instr. = 1.5 MeV) search for narrow states (Gamma < 10 MeV) with masses of M_x approx 1500-1850 MeV in ep -> e'K^+ X, e'K^- X and e' pi^+ X electroproducti…
High precision measurements of the proton elastic electromagnetic form factors and their ratio at = 0.50, 2.64, 3.20, and 4.10 GeV
I. A. Qattan, J. Arrington, K. Aniol +37
The advent of high-intensity, high-polarization electron beams led to significantly improved measurements of the ratio of the proton's charge to electric form factors, GEp/GMp. How…
High Resolution Spectroscopy of 12B_Lambda by Electroproduction
M. Iodice, F. Cusanno, A. Acha +96
An experiment measuring electroproduction of hypernuclei has been performed in Hall A at Jefferson Lab on a C target. In order to increase counting rates and provide unambig…
Strangeness Photoproduction at the BGO-OD Experiment
T. C. Jude, S. Alef, D. Bayadilov +61
BGO-OD is a newly commissioned experiment to investigate the internal structure of the nucleon, using an energy tagged bremsstrahlung photon beam at the ELSA electron facility. The…
New Measurements of the Transverse Beam Asymmetry for Elastic Electron Scattering from Selected Nuclei
The HAPPEX, PREX Collaborations, : +195
We have measured the beam-normal single-spin asymmetry in the elastic scattering of 1-3 GeV transversely polarized electrons from H and for the first time from He, $^…
Measurements of the Electric Form Factor of the Neutron up to Q2=3.4 GeV2 using the Reaction He3(e,e'n)pp
S. Riordan, S. Abrahamyan, B. Craver +115
The electric form factor of the neutron was determined from studies of the reaction He3(e,e'n)pp in quasi-elastic kinematics in Hall A at Jefferson Lab. Longitudinally polarized el…
Measurement of the generalized spin polarizabilities of the neutron in the low region
V. Sulkosky, C. Peng, J. -P. Chen +106
Understanding the nucleon spin structure in the regime where the strong interaction becomes truly strong poses a challenge to both experiment and theory. At energy scales below the…
Cross sections and Rosenbluth separations in 1H(e, e'K+)Lambda up to Q2=2.35 GeV2
M. Coman, P. Markowitz, K. A. Aniol +83
The kaon electroproduction reaction 1H(e,e'K+)Lambda was studied as a function of the virtual-photon four-momentum, Q2, total energy, W, and momentum transfer, t, for different val…
Measurement of the 12C(e,e'p)11B Two-Body Breakup Reaction at High Missing Momentum Values
P. Monaghan, R. Shneor, R. Subedi +81
The five-fold differential cross section for the 12C(e,e'p)11B reaction was determined over a missing momentum range of 200-400 MeV/c, in a kinematics regime with Bjorken x > 1 and…
Moments of the neutron structure function at intermediate
P. Solvignon, N. Liyanage, J. -P. Chen +59
We present new experimental results of the He spin structure function in the resonance region at values between 1.2 and 3.0 (GeV/c). Spin dependent moments of t…