S. Hughes

activity

20142018

most citedCross sections for the exclusive photon electroproduction on the proton and Generalized Parton Distributions

105 citations · 904 across the 27 of their papers we have counts for

collaborators

28 papers

hep-ex2018★ 9 cited

Photoproduction of $K^{+} K^{-}$ meson pairs on the proton

S. Lombardo, M. Battaglieri, A. Celentano +13

The exclusive reaction $γ p \to p K^{+} K^{-}$ was studied in the photon energy range $3.0 - 3.8 \mbox{ GeV}$ and momentum transfer range $0.6<-t<1.3 \mbox{ GeV}^2$. Data were collected…

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★ 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★ 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★ 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

The Beam-Target Helicity Asymmetry for $γ n \to π^{-} p$ in the {\bf{ $N^{*}$ } Resonance Region

D. Ho, P. Peng, C. Bass +140

We report the first beam-target double-polarization asymmetries in the $γ + n (p) \to π^{-} + p (p)$ reaction spanning the nucleon resonance region from invariant mass $W$ = $150…

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-ex2016★ 9 cited

Target and beam-target spin asymmetries in exclusive pion electroproduction for $Q^{2} > 1$ GeV $^{2}$ . II. $e p \to e π^{0} p$

P. E. Bosted, A. Kim, K. P. Adhikari +152

Beam-target double-spin asymmetries and target single-spin asymmetries were measured for the exclusive $π^{0}$ electroproduction reaction $γ^{*} p \to p π^{0}$ , expanding an analysis of…

nucl-ex2016★ 6 cited

Beam-target double spin asymmetry in quasi-elastic electron scattering off the deuteron with CLAS

Michael Mayer, Sebastian E. Kuhn, the CLAS Collaboration

Quasi-elastic electron scattering on the deuteron is a benchmark reaction to test our understanding of deuteron structure and the properties and interactions of the two nucleons bo…

nucl-ex2016★ 8 cited

Target and Beam-Target Spin Asymmetries in Exclusive Pion Electroproduction for $Q^{2} > 1$ GeV $^{2}$ . I. $e p \to e π^{+} n$

P. E. Bosted, M. J. Amaryan, S. Anefalos Pereira +115

Beam-target double-spin asymmetries and target single-spin asymmetries were measured for the exclusive $π^{+}$ electroproduction reaction $γ^{*} p \to n π^{+}$ . The results were obtained…

nucl-ex2016★ 10 cited

Measurement of Target and Double-spin Asymmetries for the $e p \to e π^{+} (n)$ Reaction in the Nucleon Resonance Region at Low $Q^{2}$

X. Zheng, K. P. Adhikari, P. Bosted +147

We report measurements of target- and double-spin asymmetries for the exclusive channel $e p \to e π^{+} (n)$ in the nucleon resonance region at Jefferson Lab using the CEBAF…

nucl-ex2016★ 6 cited

Target and Beam-Target Spin Asymmetries in Exclusive $π^{+}$ and $π^{-}$ Electroproduction with 1.6 to 5.7 GeV Electrons

P. E. Bosted, A. S. Biselli, S. Careccia +159

Beam-target double spin asymmetries and target single-spin asymmetries in exclusive $π^{+}$ and $π^{-}$ electroproduction were obtained from scattering of 1.6 to 5.7 GeV longitudinally…

nucl-ex2016★ 63 cited

Measurement of two-photon exchange effect by comparing elastic $e^{\pm} p$ cross sections

D. Rimal, D. Adikaram, B. A. Raue +142

[Background] The electromagnetic form factors of the proton measured by unpolarized and polarized electron scattering experiments show a significant disagreement that grows with th…

hep-ex2015★ 21 cited

A search for baryon- and lepton-number violating decays of $Λ$ hyperons using the CLAS detector at Jefferson Laboratory

M. E. McCracken, M. Bellis, K. P. Adhikari +128

We present a search for ten baryon-number violating decay modes of $Λ$ hyperons using the CLAS detector at Jefferson Laboratory. Nine of these decay modes result in a single meson…

nucl-ex2015★ 40 cited

First measurement of the helicity asymmetry $E$ in $η$ photoproduction on the proton

I. Senderovich, B. T. Morrison, M. Dugger +148

Results are presented for the first measurement of the double-polarization helicity asymmetry E for the $η$ photoproduction reaction $γ p \to η p$ . Data were obtained using t…

nucl-ex2015★ 43 cited

Precise Determination of the Deuteron Spin Structure at Low to Moderate $Q^{2}$ with CLAS and Extraction of the Neutron Contribution

N. Guler, R. G. Fersch, S. E. Kuhn +126

We present the final results for the deuteron spin structure functions obtained from the full data set collected with Jefferson Lab's CLAS in 2000-2001. Polarized electrons with en…

hep-ex2015★ 105 cited

Cross sections for the exclusive photon electroproduction on the proton and Generalized Parton Distributions

H. S. Jo, F. X. Girod, H. Avakian +7

Unpolarized and beam-polarized four-fold cross sections $\frac{d ^{4} σ}{d Q ^{2} d x _{B} d t d ϕ}$ for the $e p \to e^{'} p^{'} γ$ reaction were measured using the CLAS detector and the 5…

nucl-ex2015★ 5 cited

Determination of the Beam-Spin Asymmetry of Deuteron Photodisintegration in the Energy Region $E_{γ} = 1.1 - 2.3$ GeV

Nicholas Zachariou, Yordanka Ilieva, Nikolay Ya. Ivanov +140

The beam-spin asymmetry, $Σ$ , for the reaction $γ d \to p n$ has been measured using the CEBAF Large Acceptance Spectrometer (CLAS) at the Thomas Jefferson National Accelerato…

nucl-ex2015★ 36 cited

First Measurement of the Polarization Observable E in the $p (γ, π^{+}) n$ Reaction up to 2.25 GeV

S. Strauch, W. J. Briscoe, M. Döring +165

First results from the longitudinally polarized frozen-spin target (FROST) program are reported. The double-polarization observable E, for the reaction $γ p \to π^{+} n$ , has…

hep-ex2015★ 64 cited

Single and double spin asymmetries for deeply virtual Compton scattering measured with CLAS and a longitudinally polarized proton target

S. Pisano, A. Biselli, S. Niccolai +4

Single-beam, single-target, and double-spin asymmetries for hard exclusive photon production on the proton $e p \to e^{'} p^{'} γ$ are presented. The data were taken at Jeffers…

nucl-ex2014★ 52 cited

Measurements of $e p \to e^{'} π^{+} n$ at W = 1.6 - 2.0 GeV and extraction of nucleon resonance electrocouplings at CLAS

K. Park, I. G. Aznauryan, V. D. Burkert +1

Differential cross sections of the exclusive process $e p \to e^{'} π^{+} n$ were measured with good precision in the range of the photon virtuality $Q^{2} = 1.8 - 4.5$ GeV $^{2}$ , and…

nucl-ex2014★ 13 cited

Strangeness Suppression in q-qbar Creation Observed in Exclusive Reactions

K. Park, M. D. Mestayer, the CLAS collaboration

We measured the ratios of electroproduction cross-sections from a proton target for three exclusive meson-baryon final states: $Λ K^{+}$ , $p π^{0}$ , and $n π^{+}$ , with the CLAS detector at…

Photoproduction of K+K− meson pairs on the proton

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

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

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

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

The Beam-Target Helicity Asymmetry for γ​n→π−p in the {\bf{N∗} Resonance Region

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

Target and beam-target spin asymmetries in exclusive pion electroproduction for Q2>1 GeV2. II. ep→eπ0p