George Washington University

output

19932026

most citedMethods and results of an automatic analysis of a complete sample of Swift-XRT observations of GRBs

1.8k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2019 · nucl-exShow all

15 papers · 2 filters

nucl-ex2019★ 10 cited

Compton scattering from $^{4}$ He at the TUNL HI $γ$ S facility

X. Li, M. W. Ahmed, A. Banu +26

Differential cross sections for elastic Compton scattering from $^{4}$ He have been measured with high statistical precision at the High Intensity $γ$ -ray Source at laboratory scatter…

nucl-ex2019★ 20 cited

Signatures of the $d^{*} (2380)$ hexaquark in d( $γ$ , $p n$ )

M. Bashkanov, D. P. Watts, S. J. D. Kay +74

We report a measurement of the spin polarisation of the recoiling neutron in deuterium photodisintegration, utilising a new large acceptance polarimeter within the Crystal Ball at…

nucl-ex2019★ 6 cited

Parity-Violating Inelastic Electron-Proton Scattering at Low $Q^{2}$ Above the Resonance Region

QWeak Collaboration, D. Androic, D. S. Armstrong +74

We report the measurement of the parity-violating asymmetry for the inelastic scattering of electrons from the proton, at $Q^{2} = 0.082$ GeV $^{2}$ and $W = 2.23$ GeV, above the reson…

nucl-ex2019★ 14 cited

Spin polarizabilities of the proton by measurement of Compton double-polarization observables

D. Paudyal, P. P. Martel, G. M. Huber +90

The Compton double-polarization observable $Σ_{2 z}$ has been measured for the first time in the $Δ (1232)$ resonance region using a circularly polarized photon beam incident on a lo…

nucl-ex2019★ 27 cited

Cross Section for $γ n \to π^{0} n$ measured at Mainz/A2

W. J. Briscoe, M. Hadzimehmedovi, A. E. Kudryavtsev +89

The $γ n \to π^{0} n$ differential cross section evaluated for 27 energy bins span the photon-energy range 290-813 MeV (W = 1.195-1.553 GeV) and the pion c.m. polar production angles,…

nucl-ex2019★ 25 cited

Beam Asymmetry $Σ$ for the Photoproduction of $η$ and $η^{'}$ Mesons at $E_{γ} = 8.8$ GeV

The GlueX Collaboration, S. Adhikari, A. Ali +131

We report on the measurement of the beam asymmetry $Σ$ for the reactions $γ p \to p η$ and $γ p \to p η^{'}$ from the GlueX experiment, using an 8.2--8.8 Ge…

nucl-ex2019★ 19 cited

Exclusive $π^{0} p$ electroproduction off protons in the resonance region at photon virtualities 0.4~GeV $^{2}$ $\leq Q^{2} \leq 1$ ~GeV $^{2}$

N. Markov, K. Joo, V. D. Burkert +120

The exclusive electroproduction process $e p \to e^{'} p^{'} π^{0}$ was measured in the range of photon virtualities $Q^{2} = 0.4 - 1.0$ ~GeV $^{2}$ and the invariant mass range of th…

nucl-ex2019★ 13 cited

New Insight in the $Q^{2}$ -Dependence of Proton Generalized Polarizabilities

J. Beričič, L. Correa, M. Benali +35

Virtual Compton scattering on the proton has been investigated at three yet unexplored values of the four-momentum transfer $Q^{2}$ : 0.10, 0.20 and 0.45 GeV $^{2}$ , at the Mainz Microtr…

nucl-ex2019★ 3 cited

Measurement of the beam-helicity asymmetry in photoproduction of $π^{0} η$ pairs on carbon, aluminum, and lead

V. Sokhoyan, S. Prakhov, A. Fix +88

The beam-helicity asymmetry was measured, for the first time, in photoproduction of $π^{0} η$ pairs on carbon, aluminum, and lead, with the A2 experimental setup at MAMI. The result…

nucl-ex2019★ 53 cited

Photoproduction Reactions and Non-Strange Baryon Spectroscopy

David G. Ireland, Eugene Pasyuk, Igor Strakovsky

We review the last two decades of using photon beams to measure the production of mesons, and in particular the information that can be obtained on the spectrum of light, non-stran…

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-ex2019★ 205 cited

First measurement of near-threshold J/ $ψ$ exclusive photoproduction off the proton

The GlueX Collaboration, A. Ali, M. Amaryan +132

We report on the measurement of the $γ p \to J / ψ p$ cross section from $E_{γ} = 11.8$ GeV down to the threshold at $8.2$ GeV using a tagged photon beam with the GlueX experiment…

nucl-ex2019★ 41 cited

Kaon Photoproduction and the $Λ$ Decay Parameter $α_{-}$

D. G. Ireland, M. Döring, D. I. Glazier +4

The weak decay parameter $α_{-}$ of the $Λ$ is an important quantity for the extraction of polarization observables in various experiments. Moreover, in combination with $α_{+}$ from $…

nucl-ex2019★ 5 cited

High Precision Measurement of Compton Scattering in the 5 GeV region

P. Ambrozewicz, L. Ye, Y. Prok +94

The cross section of atomic electron Compton scattering $γ + e \to γ^{'} + e^{'}$ was measured in the 4.40--5.475 GeV photon beam energy region by the {\em PrimEx} co…

nucl-ex2019★ 8 cited

Experimental Upper Bound and Theoretical Expectations for Parity-Violating Neutron Spin Rotation in 4He

H. E. Swanson, C. D. Bass, T. D. Bass +16

Neutron spin rotation is expected from quark-quark weak interactions in the Standard Model, which induce weak interactions among nucleons that violate parity. We present the result…

Compton scattering from 4He at the TUNL HIγS facility

Signatures of the d∗(2380) hexaquark in d(γ,pn)

Parity-Violating Inelastic Electron-Proton Scattering at Low Q2 Above the Resonance Region

Spin polarizabilities of the proton by measurement of Compton double-polarization observables

Cross Section for γn→π0n measured at Mainz/A2

Beam Asymmetry Σ for the Photoproduction of η and η′ Mesons at Eγ​=8.8GeV

Exclusive π0p electroproduction off protons in the resonance region at photon virtualities 0.4~GeV2 ≤ Q2≤ 1~GeV2

New Insight in the Q2-Dependence of Proton Generalized Polarizabilities

Measurement of the beam-helicity asymmetry in photoproduction of π0η pairs on carbon, aluminum, and lead