activity
20072022
most citedPrecision Measurement of the Weak Charge of the Proton

184 citations · 410 across the 8 of their papers we have counts for

collaborators

8 papers

nucl-ex2022★ 1 cited

Measurement of the Parity-Odd Angular Distribution of Gamma Rays From Polarized Neutron Capture on Cl

N. Fomin, R. Alarcon, L. Alonzi +61

We report a measurement of two energy-weighted gamma cascade angular distributions from polarized slow neutron capture on the Cl nucleus, one parity-odd correlation propor…

nucl-ex2020★ 10 cited

Precision Measurement of the Beam-Normal Single-Spin Asymmetry in Forward-Angle Elastic Electron-Proton Scattering

QWeak collaboration, D. Androic, D. S. Armstrong +92

A beam-normal single-spin asymmetry generated in the scattering of transversely polarized electrons from unpolarized nucleons is an observable related to the imaginary part of the…

nucl-ex2019★ 184 cited

Precision Measurement of the Weak Charge of the Proton

D. Androic, D. S. Armstrong, A. Asaturyan +96

The fields of particle and nuclear physics have undertaken extensive programs to search for evidence of physics beyond that explained by current theories. The observation of the Hi…

nucl-ex2018★ 43 cited

First Observation of -odd Asymmetry in Polarized Neutron Capture on Hydrogen

D. Blyth, J. Fry, N. Fomin +61

We report the first observation of the parity-violating 2.2 MeV gamma-ray asymmetry in neutron-proton capture using polarized cold neutrons incident on a liquid parahydr…

physics.ins-det2014★ 4 cited

The Q_weak Experimental Apparatus

Qweak Collaboration, T. Allison, M. Anderson +126

The Jefferson Lab Q_weak experiment determined the weak charge of the proton by measuring the parity-violating elastic scattering asymmetry of longitudinally polarized electrons fr…

nucl-ex2013★ 1 cited

Early Results from the Qweak Experiment

D. Androic, D. S. Armstrong, A. Asaturyan +94

A subset of results from the recently completed Jefferson Lab Qweak experiment are reported. This experiment, sensitive to physics beyond the Standard Model, exploits the small par…

nucl-ex2013★ 140 cited

First Determination of the Weak Charge of the Proton

Qweak Collaboration, D. Androic, D. S. Armstrong +95

The Qweak experiment has measured the parity-violating asymmetry in polarized e-p elastic scattering at Q^2 = 0.025(GeV/c)^2, employing 145 microamps of 89% longitudinally polarize…

nucl-ex2007★ 27 cited

High-Efficiency Resonant RF Spin Rotator with Broad Phase Space Acceptance for Pulsed Polarized Cold Neutron Beams

P. -N. Seo, L. Barron-Palos, J. D. Bowman +30

We have developed a radio-frequency resonant spin rotator to reverse the neutron polarization in a 9.5 cm x 9.5 cm pulsed cold neutron beam with high efficiency over a broad cold n…