A. K. Opper

George Washington University — United States

Physics and Astronomy · Physical Sciences

33h-index4.8kcitations126works0.02yr avg
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Research Topics

Quantum Chromodynamics and Particle Interactions(62), Particle physics theoretical and experimental studies(57), Nuclear physics research studies(36), High-Energy Particle Collisions Research(29), Atomic and Subatomic Physics Research(24)

Publications99 total

<i>Q</i><sub>weak</sub>: First Direct Measurement of the Proton’s Weak Charge
EPJ Web of Conferences·2017· 1 citedOpen Access
The tracking analysis in the Q-weak experiment
Hyperfine Interactions·2016· 2 citedOpen Access
Production of Highly Polarized Positrons Using Polarized Electrons at MeV Energies
Physical Review Letters·2016· 99 citedOpen Access
The Qweak experimental apparatus
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment·2015· 46 citedOpen Access
The Q_weak Experimental Apparatus
arXiv (Cornell University)·2014· 4 citedOpen Access
First Determination of the Weak Charge of the Proton
Physical Review Letters·2013· 142 citedOpen Access
The ${Q^{p}_{\rm Weak}}$ experiment
Hyperfine Interactions·2013· 1 cited
The ${Q^{p}_{\rm Weak}}$ experiment
2013
NOvA: Numi off-axis Neutrino Appearance Experiment
2012
New Measurements of High-Momentum Nucleons and Short-Range Structures in Nuclei
Physical Review Letters·2012· 183 citedOpen Access
The Qweak Experiment: A Search for New Physics at the TeV Scale via a Measurement of the Proton's Weak Charge
arXiv (Cornell University)·2012· 18 citedOpen Access
Semi-inclusive charged-pion electroproduction off protons and deuterons: Cross sections, ratios, and access to the quark-parton model at low energies
Physical Review C·2012· 29 citedOpen Access
Parity violating neutron spin rotation in He-4 and H
Nuovo Cimento Della Societa Italiana Di Fisica A-nuclei Particles and Fields·2012· 4 cited
Nuclear transparency and effective kaon-nucleon cross section from the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>A</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mi>e</mml:mi><mml:mo>,</mml:mo><mml:msup><mml:mi>e</mml:mi><mml:mrow><mml:mo>′</mml:mo></mml:mrow></mml:msup><mml:msup><mml:mi>K</mml:mi><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup><mml:mo stretchy="false">)</mml:mo></mml:mrow></mml:math>reaction
Physical Review C·2011· 4 citedOpen Access
New measurements of high-momentum nucleons and short-range structures in nuclei
arXiv (Cornell University)·2011Open Access
Nuclear transparency and effective kaon-nucleon cross section from the A(e, e'K+) reaction
arXiv (Cornell University)·2011Open Access
Upper bound on parity-violating neutron spin rotation in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="normal">He</mml:mi><mml:mprescripts/><mml:none/><mml:mrow><mml:mn>4</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>
Physical Review C·2011· 41 cited
An Upper Bound on Parity Violating Neutron Spin Rotation in He-4 | NIST
Physics Letters B·2011
Polarized neutron beam properties for measuring parity-violating spin rotation in liquid 4He
Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment·2010· 12 cited
Scaling of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>F</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>Structure Function in Nuclei and Quark Distributions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>x</mml:mi><mml:mo>&gt;</mml:mo><mml:mn>1</mml:mn></mml:math>
Physical Review Letters·2010· 32 citedOpen Access
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Frequent Co-authors

H. Fenker(19), S. A. Wood(19), R. Asaturyan(18), V. Tadevosyan(18), W. Vulcan(18), D. Gaskell(17), F. R. Wesselmann(17), E. Korkmaz(17), M. M. Dalton(16), Donal B. Day(16), C. Keppel(16), J. Roche(16), G. R. Smith(16), A. Lung(15), P. Markowitz(15), H. Mkrtchyan(14), M. Jones(14), J. Arrington(13), M. E. Christy(13), J. Dunne(13)