231 citations · 1.2k across the 50 of their papers we have counts for
36 papers · 1 filter
A New Low Measurement of the Proton's Spin Structure Function from Longitudinal & Transverse Polarized Data
D. Ruth, R. Zielinski, C. Gu +94
The proton's spin structure has proven to be far more complicated than was originally believed, and has been the subject of a number of experimental investigations. %Early measurem…
Measuring short-range correlations and quasi-elastic cross sections in A(e,e') at x>1 and modest Q
Y. P. Zhang, Z. H. Ye, D. Nguyen +96
We present results from the Jefferson Lab E08-014 experiment, investigating short-range correlations (SRC) through measurements of inclusive quasi-elastic scattering from H, $^…
The Proton Spin Structure Function and Generalized Polarizabilities in the Strong QCD Regime
D. Ruth, R. Zielinski, C. Gu +94
The strong interaction is not well understood at low energy, or for interactions with low momentum transfer , but one of the clearest insights we have comes from Chiral Pertur…
International Workshop on Next Generation Gamma-Ray Source
C. R. Howell, M. W. Ahmed, A. Afanasev +50
A workshop on The Next Generation Gamma-Ray Sources sponsored by the Office of Nuclear Physics at the Department of Energy, was held November 17--19, 2016 in Bethesda, Maryland. Th…
Novel observation of isospin structure of short-range correlations in calcium isotopes
D. Nguyen, Z. Ye, P. Aguilera +101
Short Range Correlations (SRCs) have been identified as being responsible for the high momentum tail of the nucleon momentum distribution, n(k). Hard, short-range interactions of n…
Measurement of neutron and proton analyzing powers on , , and targets in the momentum region 3-4.2 GeV/c
S. N. Basilev, Yu. P. Bushuev, O. P. Gavrishchuk +28
The analyzing powers for proton elastic scattering () and neutron charge exchange () reactions on nuclei have been measured on , , a…
Measurement of the single-spin asymmetry in quasi-elastic He() scattering at GeV
E. Long, Y. W. Zhang, M. Mihoviloviv +88
Due to the lack of free neutron targets, studies of the structure of the neutron are typically made by scattering electrons from either H or He targets. In order to extract…
Probing for high momentum protons in He via the reaction
S. Iqbal, F. Benmokhtar, M. Ivanov +107
Experimental cross sections for the reaction up to a missing momentum of 0.632 GeV/ at and =2(GeV/) are reported. The data are compared to…
Decay pion spectroscopy: a new approach
A. Margaryan, R. Ajvazyan, N. Grigoryan +12
We propose a new experiment for decay pion spectroscopy of light hypernuclei at electron- and proton-beam facilities, using the recoil distance technique for separation of produced…
Near-threshold photoproduction on the deuteron
B. Strandberg, K. G. Fissum, J. R. M. Annand +29
The first experimental investigation of the near-threshold cross section for incoherent photoproduction on the deuteron d -> pp is presented. The experimental techn…
Measurement of double-polarization asymmetries in the quasi-elastic process
M. Mihovilovič, G. Jin, E. Long +99
We report on a precise measurement of double-polarization asymmetries in electron-induced breakup of proceeding to and final states, pe…
Compton Scattering from the Deuteron above Pion-Production Threshold
B. Strandberg, J. R. M. Annand, W. Briscoe +26
The electromagnetic polarizabilities of the nucleon are fundamental nucleon-structure observables that characterize its response to external electromagnetic fields. The neutron pol…
Search for three-nucleon short-range correlations in light nuclei
Z. Ye, P. Solvignon, D. Nguyen +100
We present new data probing short-range correlations (SRCs) in nuclei through the measurement of electron scattering off high-momentum nucleons in nuclei. The inclusive 4He/3He cro…
Tagging fast neutrons from a 252Cf fission-fragment source
Julius Scherzinger, Ramsey Al Jebali, John Annand +6
Coincidence and time-of-flight measurement techniques are employed to tag fission neutrons emitted from a 252Cf source sealed on one side with a very thin layer of Au. The source i…
First measurement of unpolarized SIDIS cross section and cross section ratios from a He target
X. Yan, K. Allada, K. Aniol +114
The unpolarized semi-inclusive deep-inelastic scattering (SIDIS) differential cross sections in He() have been measured for the first time in Jefferson…
Electroexcitation of the at low momentum transfer
A. Blomberg, D. Anez, N. Sparveris +92
We report on new p measurements at the resonance at the low momentum transfer region. The mesonic cloud dynamics is predicted to be dominant an…
Polarization Transfer in Wide-Angle Compton Scattering and Single-Pion Photoproduction from the Proton
C. Fanelli, E. Cisbani, D. J. Hamilton +65
Wide-angle exclusive Compton scattering and single-pion photoproduction from the proton have been investigated via measurement of the polarization transfer from a circularly polari…
Compton Scattering from the Deuteron below Pion-Production Threshold
Luke Myers, John Annand, Jason Brudvik +13
Differential cross sections for elastic scattering of photons from the deuteron have recently been measured at the Tagged-Photon Facility at the MAX IV Laboratory in Lund, Sweden.…
Measurement of the Target-Normal Single-Spin Asymmetry in Quasi-Elastic Scattering from the Reaction He
Y. -W. Zhang, E. Long, M. Mihovilovič +89
We report the first measurement of the target single-spin asymmetry, , in quasi-elastic scattering from the inclusive reaction He on a He gas…
A precision measurement of the () reaction at threshold
K. Chirapatpimol, M. H. Shabestari, R. A. Lindgren +91
New results are reported from a measurement of electroproduction near threshold using the reaction. The experiment was designed to determine precisely…
Measurement of double-polarization asymmetries in the quasi-elastic process
The Jefferson Lab Hall A Collaboration, M. Mihovilovič, G. Jin +96
We present a precise measurement of double-polarization asymmetries in the reaction. This particular process is a uniq…
New Measurement of Compton Scattering from the Deuteron and an Improved Extraction of the Neutron Electromagnetic Polarizabilities
L. S. Myers, J. R. M. Annand, J. Brudvik +15
The electromagnetic polarizabilities of the nucleon are fundamental properties that describe its response to external electric and magnetic fields. They can be extracted from Compt…
Single Spin Asymmetries in Charged Kaon Production from Semi-Inclusive Deep Inelastic Scattering on a Transversely Polarized Target
Y. X. Zhao, Y. Wang, K. Allada +113
We report the first measurement of target single spin asymmetries of charged kaons produced in semi-inclusive deep inelastic scattering of electrons off a transversely polarized $^…
Compton scattering from 12C using tagged photons in the energy range 65 - 115 MeV
L. S. Myers, K. Shoniyozov, M. F. Preston +26
Elastic scattering of photons from 12C has been investigated using quasi-monoenergetic tagged photons with energies in the range 65 - 115 MeV at laboratory angles of 60 deg, 120 de…