SelectedWorks - David S. Armstrong

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Selected Works of David S. Armstrong

Chancellor Professor of Physics

I do research in experimental nuclear and particle physics, with a recent focus on the use of parity-violating electron scattering as a probe of nuclear and nucleon structure and a tool to search for physics beyond the Standard Model.

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About David S. Armstrong

I do research in experimental nuclear and particle physics, with a recent focus on the use of parity-violating electron scattering as a probe of nuclear and nucleon structure and a tool to search for physics beyond the Standard Model.

Present	Faculty Member, William & Mary ‐ Physics Department
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Physics

David Armstrong WWW page

http://orcid.org/0000-0002-0859-3459

Articles (23)

Precision Determination of the Neutral Weak Form Factor of ^48Ca

Physical Review Letters (2022)

D. Adhikari, (...), David S. Armstrong and et al.

We report a precise measurement of the parity-violating (PV) asymmetry APV in the elastic scattering of longitudinally polarized electrons from ...

Determination of the ^27Al Neutron Distribution Radius from a Parity-Violating ...

Physical Review Letters (2022)

D. Androic, David S. Armstrong and et al.

We report the first measurement of the parity-violating elastic electron scattering asymmetry on 27Al. The 27Al elastic asymmetry is APV=2.16±0.11(stat)±0.16(syst) ...

New Measurements of the Beam-Normal Single Spin Asymmetry in Elastic ...

Physical Review Letters (2022)

D. Adhikari, (...), David S. Armstrong and et al.

We report precision determinations of the beam-normal single spin asymmetries (An) in the elastic scattering of 0.95 and 2.18 GeV ...

Measurement of the Beam-normal Single-spin Asymmetry for Elastic Electron Scattering ...

Physical Review C (2021)

D. Androic, David S. Armstrong and et al.

We report measurements of the parity-conserving beam-normal single-spin elastic scattering asymmetries Bn on 12C and 27Al, obtained with an electron ...

Measurement of the generalized spin polarizabilities of the neutron in ...

Nature Physics (2021)

David S. Sulkosky, Chao Peng, . ... and David S. Armstrong

Understanding the nucleon spin structure in the regime where the strong interaction becomes truly strong poses a challenge to both ...

Accurate Determination of the Neutron Skin Thickness of ^208Pb through ...

Physical Review Letters (2021)

D. Adhikari, (...), David S. Armstrong and et al.

We report a precision measurement of the parity-violating asymmetry APV in the elastic scattering of longitudinally polarized electrons from 208Pb. ...

Precision Measurement of the Beam-Normal Single-Spin Asymmetry in Forward-Angle Elastic ...

Physical Review Letters (2020)

D. Androic, David S. Armstrong and et al.

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

Measurement of the 3He spin-structure functions and of neutron (3He ...

Physics Letters B (2020)

Jefferson Lab E97-110 Collaboration and David S. Armstrong

The spin-structure functions g1 and g2, and the spin-dependent partial cross-section σTT have been extracted from the polarized cross-sections differences, ...

Parity-violating inelastic electron-proton scattering at low Q^2 above the ...

Physical Review C (2020)

D. Androic, David S. Armstrong and Qweak Collaboration

We report the measurement of the parity-violating asymmetry for the inelastic scattering of electrons from the proton, at Q2=0.082GeV2 and ...

The P2 experiment: A future high-precision measurement of the weak ...

The European Physical Journal A (2018)

David S. Armstrong

We describe the research and development work for the P2 experiment which aims for a high precision determination of the ...

Precision measurement of the weak charge of the proton

The Jefferson Lab Qweak Collaboration and David S. Armstrong

Large experimental programmes in the fields of nuclear and particle physics search for evidence of physics beyond that explained by ...

Q(weak): First Direct Measurement of the Proton's Weak ...

XIITH QUARK CONFINEMENT AND THE HADRON SPECTRUM (2017)

The Q(weak) experiment, which took data at Jefferson Lab in the period 2010 - 2012, will precisely determine the weak ...

Precision Measurement of the p(e,e ' p)pi(0 ...

Physical Review Letters (2015)

K. Chirapatpimol, (...), David S. Armstrong and et al.

New results are reported from a measurement of pi(0) electroproduction near threshold using the p(e , e'p)pi(0) reaction. The experiment ...

The Q(weak) experimental apparatus

Nuclear Instruments & Methods in Physics Research Section A: Accelerators Spectrometers Detectors and Associated Equipment (2015)

T. Allison, (...), David S. Armstrong and et al.

The Jefferson Lab experiment determined the weak charge of the proton by measuring the parity-violating elastic scattering asymmetry of longitudinally ...

Measurement of parity-violating asymmetry in electron-deuteron inelastic scattering

Physical Review C (2015)

D. Wang, (...), D. S. Armstrong and et al.

The parity-violating asymmetries between a longitudinally polarized electron beam and an unpolarized deuterium target have been measured recently. The measurement ...

First result from Q(weak)

Menu 2013 - 13th International Conference Meson-Nucleon Physics and the Structure of the Nucleon (2014)

David S. Armstrong and Qweak Collaboration

Initial results are presented from the recently-completed Q(weak) experiment at Jefferson Lab. The goal is a precise measurement of the ...

First Determination of the Weak Charge of the Proton

Physical Review Letters (2013)

D. Androic, David S. Armstrong, A. Asaturyan, Todd Averett, et al.

The Q(weak) experiment has measured the parity-violating asymmetry in (e) over right arrowp elastic scattering at Q(2) = 0.025 (GeV/c)(2), ...

EM Calorimeters for SoLID at Jefferson Lab

Xvth International Conference on Calorimetry in High Energy Physics (calor2012) (2012)

Z. W. Zhao, X. Zheng, J. Huang, D. Armstrong, et al.

Several approved experiments at Jefferson Lab for the 12 GeV era will use the proposed Solenoid Large Intensity Device (SoLID) ...

Measurement of the Neutron Radius of Pb-208 through Parity Violation ...

Physical Review Letters (2012)

S. Abrahamyan, A. Shahinyan, P. E. Reimer, D. S. Armstrong, et al.

We report the first measurement of the parity-violating asymmetry A(PV) in the elastic scattering of polarized electrons from Pb-208. APV ...

Measurement of the Parity-Violating Asymmetry in Inclusive Electroproduction of pi ...

Physical Review Letters (2012)

D. Androic, T. Seva, D. S. Armstrong, S. L. Bailey, et al.

The parity-violating (PV) asymmetry of inclusive pi(-) production in electron scattering from a liquid deuterium target was measured at backward ...

New Measurements of the Transverse Beam Asymmetry for Elastic Electron ...

Physical Review Letters (2012)

S. Abrahamyan, A. Shahinyan, J. Arrington, D. S. Armstrong, et al.

We have measured the beam-normal single-spin asymmetry An in the elastic scattering of 1-3 GeV transversely polarized electrons from H-1 ...

New Precision Limit on the Strange Vector Form Factors of ...

Physical Review Letters (2012)

Z. Ahmed, K. Allada, C. Dutta and D. S. Armstrong

The parity-violating cross-section asymmetry in the elastic scattering of polarized electrons from unpolarized protons has been measured at a four-momentum ...

Recent results from the G(0) experiment

19th International Iupap Conference on Few-Body Problems in Physics (2009)

D. Androic, T. Seva, D. S. Armstrong, S. L. Bailey, et al.

We have measured parity violating asymmetries in elastic electron-proton and quasi-elastic electron-deuteron scattering at backward electron angle. These measurements have ...