George Washington University

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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 2017 · nucl-exShow all

23 papers · 2 filters

nucl-ex2017★ 8 cited

Double $K_{S}^{0}$ Photoproduction off the Proton at CLAS

S. Chandavar, J. T. Goetz, K. Hicks +124

The $f_{0}$ (1500) meson resonance is one of several contenders to have significant mixing with the lightest glueball. This resonance is well established from several previous experim…

nucl-ex2017★ 30 cited

Hard exclusive pion electroproduction at backward angles with CLAS

K. Park, M. Guidal, R. W. Gothe +3

We report on the first measurement of cross sections for exclusive deeply virtual pion electroproduction off the proton, $e p \to e^{'} n π^{+}$ , above the resonance region at bac…

nucl-ex2017★ 12 cited

Measurement of the beam asymmetry $Σ$ and the target asymmetry $T$ in the photoproduction of $ω$ mesons off the proton using CLAS at Jefferson Laboratory

P. Roy, Z. Akbar, S. Park +143

The photoproduction of $ω$ mesons off the proton has been studied in the reaction $γ p \to p ω$ using the CEBAF Large Acceptance Spectrometer (CLAS) and the frozen-spin target (FROS…

nucl-ex2017★ 32 cited

Measurement of the Q^2 Dependence of the Deuteron Spin Structure Function g_1 and its Moments at Low Q^2 with CLAS

K. P. Adhikari, A. Deur, L. El Fassi +145

We measured the $g_{1}$ spin structure function of the deuteron at low $Q^{2}$ , where QCD can be approximated with chiral perturbation theory ( $χ$ PT). The data cover the resonance re…

nucl-ex2017★ 14 cited

Semi-Inclusive $π_{0}$ target and beam-target asymmetries from 6 GeV electron scattering with CLAS

S. Jawalkar, S. Koirala, H. Avakian +160

We present precision measurements of the target and beam-target spin asymmetries from neutral pion electroproduction in deep-inelastic scattering (DIS) using the CEBAF Large Accept…

nucl-ex2017★ 26 cited

Measurement of the helicity asymmetry $E$ in $ω \to π^{+} π^{-} π^{0}$ photoproduction

Z. Akbar, P. Roy, S. Park +131

The double-polarization observable $E$ was studied for the reaction $γ p \to p ω$ using the CEBAF Large Acceptance Spectrometer (CLAS) in Hall B at the Thomas Jefferson National Accel…

nucl-ex2017★ 43 cited

First Exclusive Measurement of Deeply Virtual Compton Scattering off $^{4}$ He: Toward the 3D Tomography of Nuclei

M. Hattawy, N. A. Baltzell, R. Dupré +157

We report on the first measurement of the beam-spin asymmetry in the exclusive process of coherent deeply virtual Compton scattering off a nucleus. The experiment used the 6 GeV el…

nucl-ex2017★ 91 cited

Polarization Transfer Observables in Elastic Electron Proton Scattering at $Q^{2} =$ 2.5, 5.2, 6.8, and 8.5 GeV $^{2}$

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

The GEp-III and GEp-2 $γ$ experiments were carried out in Jefferson Lab's (JLab's) Hall C from 2007-2008, to extend the knowledge of $G_{E}^{p} / G_{M}^{p}$ to the highest practically achieva…

nucl-ex2017★ 2 cited

Technical Supplement to "Polarization Transfer Observables in Elastic Electron-Proton Scattering at Q $^{2}$ = 2.5, 5.2, 6.8, and 8.5 GeV $^{2}$ "

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

The GEp-III and GEp-2 $γ$ 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★ 31 cited

Measurement of the Differential and Total Cross Sections of the $γ d \to K^{0} Λ (p)$ Reaction within the Resonance Region

N. Compton, C. E. Taylor, K. Hicks +8

We report the first measurement of differential and total cross sections for the $γ d \to K^{0} Λ (p)$ reaction, using data from the CLAS detector at the Thomas Jefferson National Accel…

nucl-ex2017★ 12 cited

Photon beam asymmetry $Σ$ in the reaction $γ p \to p ω$ for $E_{γ}$ = 1.152 to 1.876 GeV

CLAS Collaboration, P. Collins, B. G. Ritchie +147

Photon beam asymmetry $Σ$ measurements for $ω$ photoproduction in the reaction $γ p \to ω p$ are reported for photon energies from 1.152 to 1.876 GeV. Data were taken using a li…

nucl-ex2017★ 55 cited

Determination of the Proton Spin Structure Functions for 0.05 < Q^2 < 5 GeV^2 using CLAS

Robert Fersch, Nevzat Guler, Peter Bosted +7

We present the results of our final analysis of the full data set of g_1^p(Q^2), the spin structure function of the proton, collected using CLAS at Jefferson Lab in 2000-2001. Pola…

nucl-ex2017★ 26 cited

Differential Cross Section Measurements for $γ n \to π^{-} p$ Above the First Nucleon Resonance Region

P. T. Mattione, D. S. Carman, I. I. Strakovsky +145

The quasi-free $γ d \to π^{-} p (p)$ differential cross section has been measured with CLAS at photon beam energies $E_{γ}$ from 0.445 GeV to 2.510 GeV (corresponding to $W$ from 1.311 Ge…

nucl-ex2017★ 38 cited

Measurements of $e p \to e^{'} π^{+} π^{-} p^{'}$ Cross Sections with CLAS at $1.40 < W < 2.0$ GeV and $2.0 < Q^{2} < 5.0$ GeV $^{2}$

E. L. Isupov, V. D. Burkert, D. S. Carman +5

This paper reports new exclusive cross sections for $e p \to e^{'} π^{+} π^{-} p^{'}$ using the CLAS detector at Jefferson Laboratory. These results are presented for the first time at photo…

nucl-ex2017★ 24 cited

First measurement of the polarization observable $E$ and helicity-dependent cross sections in single $π^{0}$ photoproduction from quasi-free nucleons

M. Dieterle, L. Witthauer, F. Cividini +84

The double-polarization observable $E$ and the helicity-dependent cross sections $σ_{1/2}$ and $σ_{3/2}$ have been measured for the first time for single $π^{0}$ photoproduction fr…

nucl-ex2017★ 24 cited

Helicity-dependent cross sections and double-polarization observable E in eta photoproduction from quasi-free protons and neutrons

L. Witthauer, M. Dieterle, S. Abt +84

Precise helicity-dependent cross sections and the double-polarization observable $E$ were measured for $η$ photoproduction from quasi-free protons and neutrons bound in the deutero…

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

$[B a c k g r o u n d]$ Measurements of the neutron charge form factor, $G_{E}^{n}$ , are challenging due to the fact that the neutron has no net charge. In addition, measurements of the neutron…

nucl-ex2017★ 24 cited

Exclusive $η$ electroproduction at $W > 2$ GeV with CLAS and transversity generalized parton distributions

CLAS Collaboration, I. Bedlinskiy, V. Kubarovsky +144

The cross section of the exclusive $η$ electroproduction reaction $e p \to e^{'} p^{'} η$ was measured at Jefferson Lab with a 5.75-GeV electron beam and the CLAS detector. Dif…

nucl-ex2017★ 115 cited

Two-photon exchange in elastic electron-proton scattering

A. Afanasev, P. G. Blunden, D. Hasell +1

We review recent theoretical and experimental progress on the role of two-photon exchange (TPE) in electron-proton scattering at low to moderate momentum transfers. We make a detai…

nucl-ex2017★ 43 cited

Photon beam asymmetry $Σ$ for $η$ and $η^{'}$ photoproduction from the proton

P. Collins, B. G. Ritchie, M. Dugger +140

Measurements of the linearly-polarized photon beam asymmetry $Σ$ for photoproduction from the proton of $η$ and $η^{'}$ mesons are reported. A linearly-polarized tagged photon b…

nucl-ex2017★ 31 cited

Insight into the narrow structure in {\boldmath{ $η$ }}-photoproduction on the neutron from helicity dependent cross sections

L. Witthauer, M. Dieterle, S. Abt +83

The double polarization observable $E$ and the helicity dependent cross sections $σ_{1/2}$ and $σ_{3/2}$ were measured for $η$ photoproduction from quasi-free protons and neutrons.…

nucl-ex2017★ 55 cited

Study of $η$ and $η^{'}$ photoproduction at MAMI

V. L. Kashevarov, P. Ott, S. Prakhov +87

The reactions $γ p \to η p$ and $γ p \to η^{'} p$ have been measured from their thresholds up to the center-of-mass energy $W = 1.96$ GeV with the tagged-photon facilities at the Mainz Microt…

nucl-ex2017★ 59 cited

Measurement of the beam asymmetry $Σ$ for $π^{0}$ and $η$ photoproduction on the proton at $E_{γ} = 9$ GeV

GlueX Collaboration, H. Al Ghoul, E. G. Anassontzis +123

We report measurements of the photon beam asymmetry $Σ$ for the reactions $γ p \to p π^{0}$ and $γ p \to p η$ from the GlueX experiment using a 9 GeV linearly-polarized, tagged pho…

Double KS0​ Photoproduction off the Proton at CLAS

Hard exclusive pion electroproduction at backward angles with CLAS

Measurement of the beam asymmetry Σ and the target asymmetry T in the photoproduction of ω mesons off the proton using CLAS at Jefferson Laboratory

Measurement of the Q^2 Dependence of the Deuteron Spin Structure Function g_1 and its Moments at Low Q^2 with CLAS

Semi-Inclusive π0​ target and beam-target asymmetries from 6 GeV electron scattering with CLAS

Measurement of the helicity asymmetry E in ω→π+π−π0 photoproduction

First Exclusive Measurement of Deeply Virtual Compton Scattering off 4He: Toward the 3D Tomography of Nuclei

Polarization Transfer Observables in Elastic Electron Proton Scattering at Q2=2.5, 5.2, 6.8, and 8.5 GeV2

Technical Supplement to "Polarization Transfer Observables in Elastic Electron-Proton Scattering at Q2 = 2.5, 5.2, 6.8, and 8.5 GeV2"

Measurement of the Differential and Total Cross Sections of the γd→K0Λ(p) Reaction within the Resonance Region

Photon beam asymmetry Σ in the reaction γ​p→pω for Eγ​ = 1.152 to 1.876 GeV

Determination of the Proton Spin Structure Functions for 0.05 < Q^2 < 5 GeV^2 using CLAS

Differential Cross Section Measurements for γn→π−p Above the First Nucleon Resonance Region

Measurements of ep→e′π+π−p′ Cross Sections with CLAS at 1.40<W<2.0 GeV and 2.0<Q2<5.0 GeV2

First measurement of the polarization observable E and helicity-dependent cross sections in single π0 photoproduction from quasi-free nucleons

Helicity-dependent cross sections and double-polarization observable E in eta photoproduction from quasi-free protons and neutrons

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

Exclusive η electroproduction at W>2 GeV with CLAS and transversity generalized parton distributions

Two-photon exchange in elastic electron-proton scattering

Photon beam asymmetry Σ for η and η′ photoproduction from the proton

Insight into the narrow structure in {\boldmath{η}}-photoproduction on the neutron from helicity dependent cross sections

Study of η and η′ photoproduction at MAMI

Measurement of the beam asymmetry Σ for π0 and η photoproduction on the proton at Eγ​=9 GeV

Double $K_{S}^{0}$ Photoproduction off the Proton at CLAS

Measurement of the beam asymmetry $Σ$ and the target asymmetry $T$ in the photoproduction of $ω$ mesons off the proton using CLAS at Jefferson Laboratory

Semi-Inclusive $π_{0}$ target and beam-target asymmetries from 6 GeV electron scattering with CLAS

Measurement of the helicity asymmetry $E$ in $ω \to π^{+} π^{-} π^{0}$ photoproduction

First Exclusive Measurement of Deeply Virtual Compton Scattering off $^{4}$ He: Toward the 3D Tomography of Nuclei

Polarization Transfer Observables in Elastic Electron Proton Scattering at $Q^{2} =$ 2.5, 5.2, 6.8, and 8.5 GeV $^{2}$

Technical Supplement to "Polarization Transfer Observables in Elastic Electron-Proton Scattering at Q $^{2}$ = 2.5, 5.2, 6.8, and 8.5 GeV $^{2}$ "

Measurement of the Differential and Total Cross Sections of the $γ d \to K^{0} Λ (p)$ Reaction within the Resonance Region

Photon beam asymmetry $Σ$ in the reaction $γ p \to p ω$ for $E_{γ}$ = 1.152 to 1.876 GeV

Differential Cross Section Measurements for $γ n \to π^{-} p$ Above the First Nucleon Resonance Region

Measurements of $e p \to e^{'} π^{+} π^{-} p^{'}$ Cross Sections with CLAS at $1.40 < W < 2.0$ GeV and $2.0 < Q^{2} < 5.0$ GeV $^{2}$

First measurement of the polarization observable $E$ and helicity-dependent cross sections in single $π^{0}$ photoproduction from quasi-free nucleons

Exclusive $η$ electroproduction at $W > 2$ GeV with CLAS and transversity generalized parton distributions

Photon beam asymmetry $Σ$ for $η$ and $η^{'}$ photoproduction from the proton

Insight into the narrow structure in {\boldmath{ $η$ }}-photoproduction on the neutron from helicity dependent cross sections

Study of $η$ and $η^{'}$ photoproduction at MAMI

Measurement of the beam asymmetry $Σ$ for $π^{0}$ and $η$ photoproduction on the proton at $E_{γ} = 9$ GeV