B. Carnahan

activity

20002008

S = + 1

Baryon in Exclusive Photoproduction from the Deuteron

396 citations · 2.7k across the 31 of their papers we have counts for

collaborators

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19 papers · 1 filter

hep-ex2008★ 1 cited

Beam Spin Asymmetries in DVCS with CLAS at 4 .8 GeV

G. Gavalian

We report measurements of the beam spin asymmetry in Deeply Virtual Compton Scattering (DVCS) at an electron beam energy of 4.8 GeV using the CLAS detector at the Thomas Jefferson…

hep-ex2008★ 36 cited

Search for the photo-excitation of exotic mesons in the pi+pi+pi- system

M. Nozar, C. Salgado, D. P. Weygand +2

A search for exotic mesons in the $π^{+} π^{+} π^{-}$ system photoproduced by the charge exchange reaction $γ p \to π^{+} π^{+} π^{-} (n)$ was carried out by the CLAS collaboration at Jef…

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-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…

hep-ex2002★ 51 cited

Photoproduction of the $ω$ meson on the proton at large momentum transfer

M. Battaglieri, M. Brunoldi, R. De Vita +4

The differential cross section, $d σ / d t$ for $ω$ meson exclusive photoproduction on the proton above the resonance region ( $2.6 < W < 2.9$ GeV) was measured up to a momentum transfer $-…

hep-ex2001★ 21 cited

First Measurement of the Double Spin Asymmetry in $e p \to e^{'} π^{+} n$ in the Resonance Region

CLAS Collaboration, R. De Vita

The double spin asymmetry in the $e p \to e^{'} π^{+} n$ reaction has been measured for the first time in the resonance region for four-momentum transfer $Q^{2} = 0.35 - 1.5$ GeV$^2…

hep-ex2001★ 205 cited

$Q^{2}$ Dependence of Quadrupole Strength in the $γ^{*} p \to Δ^{+} (1232) \to p π^{0}$ Transition

CLAS Collaboration, K. Joo, L. C. Smith

Models of baryon structure predict a small quadrupole deformation of the nucleon due to residual tensor forces between quarks or distortions from the pion cloud. Sensitivity to qua…

hep-ex2001★ 58 cited

DRAFT: Photoproduction of the $ρ^{0}$ meson on the proton at large momentum transfer

CLAS collaboration, M. Battaglieri

The differential cross section, $d σ / d t$ , for $ρ^{0}$ meson photoproduction on the proton above the resonance region ( $2.6 < W < 2.9$ GeV) was measured up to a momentum transfer $- t = 5$ …

hep-ex2001★ 289 cited

Observation of exclusive DVCS in polarized electron beam asymmetry measurements

CLAS Collaboration, S. Stepanyan

We report the first results of the beam spin asymmetry measured in the reaction e + p -> e + p + gamma at a beam energy of 4.25 GeV. A large asymmetry with a sin(phi) modulation is…

hep-ex2001★ 25 cited

Electroproduction of the $Λ (1520)$ hyperon

S. P. Barrow

The reaction $e p \to e^{'} K^{+} Λ (1520)$ with $Λ (1520) \to p^{'} K^{-}$ was studied at electron beam energies of 4.05, 4.25, and 4.46 GeV, using the CLAS detector at the Thomas Jefferson Natio…

hep-ex2000★ 115 cited

The e p -> e' p eta reaction at and above the S11(1535) baryon resonance

The CLAS Collaboration, R. Thompson

New cross sections for the reaction e p -> ep eta are reported for total center of mass energy W = 1.5--1.86 GeV and invariant momentum transfer Q^2 = 0.25--1.5 GeV^2. This large k…

hep-ex2000★ 73 cited

Photoproduction of phi(1020) mesons on the proton at large momentum transfer

Te CLAS Collaboration, E. Anciant

The cross section for $ϕ$ meson photoproduction on the proton has been measured for the first time up to a four-momentum transfer -t = 4 GeV^2, using the CLAS detector at the Thoma…

Beam Spin Asymmetries in DVCS with CLAS at 4 .8 GeV

Search for the photo-excitation of exotic mesons in the pi+pi+pi- system

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

Exclusive ρ0 meson electroproduction from hydrogen at CLAS

Tensor Polarization of the phi meson Photoproduced at High t

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

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

Measurement of ep→e′pπ+π−: experimental procedures and baryon resonance analysis

Measurement of Beam-Spin Asymmetries for Deep Inelastic π+ Electroproduction