activity
20072025
most citedRecoil Polarization Measurements of the Proton Electromagnetic Form Factor Ratio to Q^2 = 8.5 GeV^2

270 citations · 834 across the 23 of their papers we have counts for

collaborators

23 papers

nucl-ex2025

Investigation of Medium Modifications to C Structure Functions in the Resonance Region

S. Alsalmi, I. Albayrak, A. Ahmidouch +75

We present results from a high precision experimental study of the nuclear modification of the longitudinal () to transverse () structure function ratio for bound nucleon…

nucl-ex2021★ 18 cited

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…

physics.ins-det2021★ 9 cited

The PRad Windowless Gas Flow Target

J. Pierce, J. Brock, C. Carlin +21

We report on a windowless, high-density, gas flow target at Jefferson Lab that was used to measure , the root-mean-square charge radius of the proton. To our knowledge, this i…

nucl-ex2019★ 24 cited

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, $Δσ_{\…

nucl-ex2019★ 10 cited

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…

nucl-ex2018★ 3 cited

Measurements of Non-Singlet Moments of the Nucleon Structure Functions and Comparison to Predictions from Lattice QCD for

I. Albayrak, V. Mamyan, M. E. Christy +75

We present extractions of the nucleon non-singlet moments utilizing new precision data on the deuteron structure function at large Bjorken- determined via the Rosenbluth s…

nucl-ex2018★ 6 cited

Dispersive Corrections to the Born Approximation in Elastic Electron-Nucleus Scattering in the Intermediate Energy Regime

P. Gueye, A. A. Kabir J. Glister, B. W. Lee +89

Measurements of elastic electron scattering data within the past decade have highlighted two-photon exchange contributions as a necessary ingredient in theoretical calculations to…

nucl-ex2018★ 8 cited

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…

nucl-ex2017★ 91 cited

Polarization Transfer Observables in Elastic Electron Proton Scattering at 2.5, 5.2, 6.8, and 8.5 GeV

A. J. R. Puckett, E. J. Brash, M. K. Jones +104

The GEp-III and GEp-2 experiments were carried out in Jefferson Lab's (JLab's) Hall C from 2007-2008, to extend the knowledge of to the highest practically achieva…

nucl-ex2017★ 2 cited

Technical Supplement to "Polarization Transfer Observables in Elastic Electron-Proton Scattering at Q = 2.5, 5.2, 6.8, and 8.5 GeV"

A. J. R. Puckett, E. J. Brash, M. K. Jones +103

The GEp-III and GEp-2 experiments, carried out in Jefferson Lab's Hall C from 2007-2008, consisted of measurements of polarization transfer in elastic electron-proton scattering…

nucl-ex2017★ 11 cited

Extraction of the Neutron Electric Form Factor from Measurements of Inclusive Double Spin Asymmetries

V. Sulkosky, G. Jin, E. Long +89

Measurements of the neutron charge form factor, , are challenging due to the fact that the neutron has no net charge. In addition, measurements of the neutron…

nucl-ex2015★ 11 cited

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…

nucl-ex2015★ 7 cited

Measurement of the Doubly-Polarized Reaction at 16.5 MeV and Its Implications for the GDH Sum Rule

G. Laskaris, X. Yan, J. M. Mueller +19

We report new measurements of the doubly-polarized photodisintegration of He at an incident photon energy of 16.5 MeV, carried out at the High Intensity -ray Source (HIS)…

nucl-ex2015★ 32 cited

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…

nucl-ex2014★ 11 cited

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…

nucl-ex2013★ 1 cited

Studying the Proton "Radius" Puzzle with μp Elastic Scattering

R. Gilman, E. J. Downie, G. Ron +45

The Proton Radius Puzzle is the inconsistency between the proton radius determined from muonic hydrogen and the proton radius determined from atomic hydrogen level transitions and…

nucl-ex2011★ 10 cited

Polarization components in photoproduction at photon energies up to 5.6 GeV

W. Luo, E. J. Brash, R. Gilman +107

We present new data for the polarization observables of the final state proton in the reaction. These data can be used to test predictions based on hadr…

nucl-ex2011★ 105 cited

Low Q^2 measurements of the proton form factor ratio

G. Ron, X. Zhan, J. Glister +84

We present an updated extraction of the proton electromagnetic form factor ratio, mu_p G_E/G_M, at low Q^2. The form factors are sensitive to the spatial distribution of the proton…

hep-ph2010★ 50 cited

Determination of two-photon exchange amplitudes from elastic electron-proton scattering data

Julia Guttmann, Nikolai Kivel, Mehdi Meziane +1

Using the available cross section and polarization data for elastic electron-proton scattering, we provide an extraction of the two-photon exchange amplitudes at a common value of…

nucl-ex2010★ 101 cited

Search for effects beyond the Born approximation in polarization transfer observables in elastic scattering

M. Meziane, E. J. Brash, R. Gilman +108

Intensive theoretical and experimental efforts over the past decade have aimed at explaining the discrepancy between data for the proton electric to magnetic form factor ratio, $G_…

nucl-ex2010★ 270 cited

Recoil Polarization Measurements of the Proton Electromagnetic Form Factor Ratio to Q^2 = 8.5 GeV^2

A. J. R. Puckett, E. J. Brash, M. K. Jones +103

Among the most fundamental observables of nucleon structure, electromagnetic form factors are a crucial benchmark for modern calculations describing the strong interaction dynamics…

nucl-ex2010★ 6 cited

Polarization Observables in Deuteron Photodisintegration below 360 MeV

J. Glister, G. Ron, B. W. Lee +86

High precision measurements of induced and transferred recoil proton polarization in d(polarized gamma, polarized p})n have been performed for photon energies of 277--357 MeV and t…

nucl-ex2007★ 48 cited

The Proton Elastic Form Factor Ratio at Low Momentum Transfer

G. Ron, J. Glister, B. Lee

High precision measurements of the proton elastic form factor ratio have been made at four-momentum transfers, Q^2, between 0.2 and 0.5 GeV^2. The new data, while consistent with p…