M. Ungaro

activity

20012026

S = + 1

Baryon in Exclusive Photoproduction from the Deuteron

396 citations · 8.2k across the 180 of their papers we have counts for

collaborators

Showing 2017 · nucl-exShow all

15 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★ 21 cited

Photoproduction of $Λ$ and $Σ^{0}$ hyperons off protons with linearly polarized photons at $E_{γ} = 1.5 - 3.0$ GeV

S. H. Shiu, H. Kohri, W. C. Chang +42

We report the measurement of the $γ p \to K^{+} Λ$ and $γ p \to K^{+} Σ^{0}$ reactions at SPring-8. The differential cross sections and photon-beam asymmetries are meas…

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★ 17 cited

$ϕ$ photoproduction on the proton at $E_{γ}$ = 1.5 - 2.9 GeV

K. Mizutani, M. Niiyama, T. Nakano +53

Differential cross sections at $t = t_{min}$ and decay asymmetries for the $γ p \to ϕp$ reaction have been measured using linearly polarized photons in the range 1.5 to 2…

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★ 12 cited

Differential cross section and photon beam asymmetry for the gamma p -> pi+ n reaction at forward pi+ angles at Egamma=1.5-2.95 GeV

H. Kohri, S. Y. Wang, S. H. Shiu +46

Differential cross sections and photon beam asymmetries for the gamma p -> pi+ n reaction have been measured for 0.6<cos(theta)<1 and Egamma=1.5-2.95 GeV at SPring-8/LEPS. The cros…

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★ 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…

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

Photoproduction of Λ and Σ0 hyperons off protons with linearly polarized photons at Eγ​=1.5−3.0 GeV

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

ϕ photoproduction on the proton at Eγ​ = 1.5 - 2.9 GeV

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

Differential cross section and photon beam asymmetry for the gamma p -> pi+ n reaction at forward pi+ angles at Egamma=1.5-2.95 GeV

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

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

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

Photoproduction of $Λ$ and $Σ^{0}$ hyperons off protons with linearly polarized photons at $E_{γ} = 1.5 - 3.0$ GeV

$ϕ$ photoproduction on the proton at $E_{γ}$ = 1.5 - 2.9 GeV

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

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 $^{2}$

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

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