D. Doughty

activity

20002014

S = + 1

Baryon in Exclusive Photoproduction from the Deuteron

396 citations · 5.6k across the 89 of their papers we have counts for

collaborators

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31 papers · 1 filter

hep-ex2014★ 51 cited

Longitudinal target-spin asymmetries for deeply virtual Compton scattering

E. Seder, A. Biselli, S. Pisano +2

A measurement of the electroproduction of photons off protons in the deeply inelastic regime was performed at Jefferson Lab using a nearly 6-GeV electron beam, a longitudinally pol…

hep-ex2014★ 29 cited

Beam-spin asymmetries from semi-inclusive pion electroproduction

CLAS Collaboration, W. Gohn, H. Avakian +2

We have measured the moment $A_{LU}^{s i n ϕ}$ corresponding to the polarized electron beam-spin asymmetry in SIDIS. $A_{LU}^{s i n ϕ}$ is a twist-3 quantity providing information abou…

hep-ex2012★ 7 cited

A study of meson and baryon decays to strange final states with GlueX in Hall D (A proposal to the 39th Jefferson Lab Program Advisory Committee)

The GlueX Collaboration, M. Dugger, B. Ritchie +76

The primary motivation of the GlueX experiment is to search for and ultimately study the pattern of gluonic excitations in the meson spectrum produced in gamma p collisions. Recent…

hep-ex2012★ 62 cited

Measurement of Exclusive $π^{0}$ Electroproduction Structure Functions and their Relationship to Transversity GPDs

CLAS Collaboration, I. Bedlinskiy, V. Kubarovsky +151

Exclusive $π^{0}$ electroproduction at a beam energy of 5.75 GeV has been measured with the Jefferson Lab CLAS spectrometer. Differential cross sections were measured at more than 18…

hep-ex2012★ 3 cited

Comment on the narrow structure reported by Amaryan et al

M. Anghinolfi, J. Ball, N. A. Baltzell +94

The CLAS Collaboration provides a comment on the physics interpretation of the results presented in a paper published by M. Amaryan et al. regarding the possible observation of a n…

hep-ex2011★ 36 cited

Precise Measurements of Beam Spin Asymmetries in Semi-Inclusive $π^{0}$ production

M. Aghasyan, H. Avakian, P. Rossi +151

We present studies of single-spin asymmetries for neutral pion electroproduction in semi-inclusive deep-inelastic scattering of 5.776 GeV polarized electrons from an unpolarized hy…

hep-ex2010★ 98 cited

Measurement of Single and Double Spin Asymmetries in Deep Inelastic Pion Electroproduction with a Longitudinally Polarized Target

The CLAS Collaboration, H. Avakian, P. Bosted +145

We report the first measurement of the transverse momentum dependence of double spin asymmetries in semi-inclusive production of pions in deep inelastic scattering off the longitud…

hep-ex2009★ 41 cited

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

M. Battaglieri, R. De Vita, A. P. Szczepaniak

The exclusive reaction $γ p \to p π^{+} π^{-}$ was studied in the photon energy range 3.0 - 3.8 GeV and momentum transfer range $0.4 < - t < 1.0$ GeV $^{2}$ . Data were collected with the CLAS d…

hep-ex2008★ 66 cited

Measurement of unpolarized semi-inclusive pi+ electroproduction off the proton

CLAS Collaboration, M. Osipenko, M. Ripani +3

Semi-inclusive pi+ electroproduction on protons has been measured with the CLAS detector at Jefferson Lab. The measurement was performed on a liquid-hydrogen target using a 5.75 Ge…

hep-ex2007★ 194 cited

Deeply Virtual Compton Scattering Beam-Spin Asymmetries

F. X. Girod, R. A. Niyazov et al

The beam spin asymmetries in the hard exclusive electroproduction of photons on the proton (ep -> epg) were measured over a wide kinematic range and with high statistical accuracy.…

hep-ex2006★ 56 cited

Search for the $Θ^{+}$ pentaquark in the reactions $γ p \to K ˉ^{0} K^{+} n$ and $γ p \to K ˉ^{0} K^{0} p$

R. De Vita, M. Battaglieri, V. Kubarovsky +9

The exclusive reactions $γ p \to K ˉ^{0} K^{+} n$ and $γ p \to K ˉ^{0} K^{0} p$ have been studied in the photon energy range 1.6--3.8 GeV, searching for evidence of the exotic baryon $…

hep-ex2006★ 13 cited

Search for $Θ^{++}$ Pentaquarks in the Exclusive Reaction $γ p \to K^{+} K^{-} p$

V. Kubarovsky, M. Battaglieri, R. De Vita +6

The reaction $γ p \to p K^{+} K^{-}$ was studied at Jefferson Lab with photon energies from 1.8 to 3.8 GeV using a tagged photon beam. The goal was to search for a $Θ^{++}$ pentaquark, a…

hep-ex2006★ 38 cited

Search for the Theta+ pentaquark in the gamma d -> Lambda n K+ reaction measured with CLAS

Clas Collaboration, S. Niccolai

For the first time, the reaction gamma d -> Lambda n K+ has been analyzed in order to search for the exotic pentaquark baryon Theta+(1540). The data were taken at Jefferson Lab, us…

hep-ex2006★ 94 cited

Search for the $Θ^{+}$ pentaquark in the reaction $γ d \to p K^{-} K^{+} n$

B. McKinnon, K. Hicks

A search for the \thp in the reaction $γ d \to p K^{-} K^{+} n$ was completed using the CLAS detector at Jefferson Lab. A study of the same reaction, published earlier, reported the observ…

hep-ex2005★ 78 cited

Search for $Θ^{+} (1540)$ pentaquark in high statistics measurement of $γ p \to K ˉ^{0} K^{+} n$ at CLAS

M. Battaglieri, R. De Vita, V. Kubarovsky +5

The exclusive reaction $γ p \to K ˉ^{0} K^{+} n$ was studied in the photon energy range between 1.6-3.8 GeV searching for evidence of the exotic baryon $Θ^{+} (1540) \to n K^{+}$ . The decay…

hep-ex2005★ 48 cited

Deeply virtual and exclusive electroproduction of omega mesons

CLAS collaboration, L. Morand

The exclusive omega electroproduction off the proton was studied in a large kinematical domain above the nucleon resonance region and for the highest possible photon virtuality (Q2…

hep-ex2004★ 49 cited

Exclusive $ρ^{0}$ meson electroproduction from hydrogen at CLAS

C. Hadjidakis

The longitudinal and transverse components of the cross section for the $e p \to e^{'} p ρ^{0}$ reaction were measured in Hall B at Jefferson Laboratory using the CLAS detector. Th…

hep-ex2003★ 15 cited

Tensor Polarization of the phi meson Photoproduced at High t

K. McCormick, the CLAS collaboration

As part of a measurement of the cross section of $ϕ$ meson photoproduction to high momentum transfer, we measured the polar angular decay distribution of the outgoing $K^{+}$ in the…

hep-ex2003★ 254 cited

Observation of an Exotic Baryon with S=+1 in Photoproduction from the Proton

V. Kubarovsky

The reaction $γ p \to π^{+} K^{-} K^{+} n$ was studied at Jefferson Lab using a tagged photon beam with an energy range of 3-5.47 GeV. A narrow baryon state with strangeness S=+1 and mass $M…

hep-ex2003★ 396 cited

Observation of an Exotic $S = + 1$ Baryon in Exclusive Photoproduction from the Deuteron

S. Stepanyan, The CLAS collaboration

In an exclusive measurement of the reaction $γ d \to K^{+} K^{-} p n$ , a narrow peak that can be attributed to an exotic baryon with strangeness $S = + 1$ is seen in the $K^{+} n$ invariant m…

hep-ex2003

Measurement of $e p \to e^{^{'}} p π^{+} π^{-}$ : experimental procedures and baryon resonance analysis

M. Ripani, V. D. Burkert, V. Mokeev +4

The cross section for the reaction $e p \to e^{'} p π^{+} π^{-}$ was measured in the resonance region for 1.4 $<$ W $<$ 2.1 GeV and 0.5 $< Q^{2} <$ 1.5 GeV $^{2}$ /c $^{2}$ using the CL…

hep-ex2003★ 134 cited

Measurement of Beam-Spin Asymmetries for Deep Inelastic $π^{+}$ Electroproduction

CLAS Collaboration, H. Avakian

We report the first evidence for a non-zero beam-spin azimuthal asymmetry in the electroproduction of positive pions in the deep-inelastic region. Data have been obtained using a p…

hep-ex2002★ 71 cited

First Measurement of Transferred Polarization in the Exclusive e p --> e' K+ Lambda Reaction

CLAS Collaboration, D. S. Carman

The first measurements of the transferred polarization for the exclusive ep --> e'K+ Lambda reaction have been performed in Hall B at the Thomas Jefferson National Accelerator Faci…

hep-ex2002★ 114 cited

Measurement of $e p \to e^{^{'}} p π^{+} π^{-}$ and baryon resonance analysis

M. Ripani

The cross section for the reaction $e p \to e^{'} p π^{+} π^{-}$ was measured in the resonance region for 1.4 $<$ W $<$ 2.1 GeV and 0.5 $< Q^{2} <$ 1.5 GeV $^{2}$ /c $^{2}$ using the CL…

Longitudinal target-spin asymmetries for deeply virtual Compton scattering

Beam-spin asymmetries from semi-inclusive pion electroproduction

A study of meson and baryon decays to strange final states with GlueX in Hall D (A proposal to the 39th Jefferson Lab Program Advisory Committee)

Measurement of Exclusive π0 Electroproduction Structure Functions and their Relationship to Transversity GPDs

Comment on the narrow structure reported by Amaryan et al

Precise Measurements of Beam Spin Asymmetries in Semi-Inclusive π0 production

Measurement of Single and Double Spin Asymmetries in Deep Inelastic Pion Electroproduction with a Longitudinally Polarized Target

Photoproduction of π+π− meson pairs on the proton

Measurement of unpolarized semi-inclusive pi+ electroproduction off the proton

Deeply Virtual Compton Scattering Beam-Spin Asymmetries

Search for the Θ+ pentaquark in the reactions γp→Kˉ0K+n and γp→Kˉ0K0p

Search for Θ++ Pentaquarks in the Exclusive Reaction γp→K+K−p