289 citations · 3.3k across the 40 of their papers we have counts for
23 papers · 1 filter
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…
photoproduction on the proton for photon energies from 0.675 to 2.875 GeV
M. Dugger, B. G. Ritchie, J. P. Ball +7
Differential cross sections for the reaction have been measured with the CEBAF Large Acceptance Spectrometer (CLAS) and a tagged photon beam with energies from 0.675…
Separated Structure Functions for the Exclusive Electroproduction of and Final States
P. Ambrozewicz, D. S. Carman, R. J. Feuerbach +4
We report measurements of the exclusive electroproduction of and final states from a proton target using the CLAS detector at the Thomas Jefferson National Accelera…
Beam-Helicity Asymmetries in Double-Charged-Pion Photoproduction on the Proton
CLAS Collaboration, S. Strauch, B. L. Berman
Beam-helicity asymmetries for the two-pion-photoproduction reaction gamma + p --> p pi+ pi- have been studied for the first time in the resonance region for center-of-mass energies…
Measurement of the Deuteron Structure Function F2 in the Resonance Region and Evaluation of Its Moments
M. Osipenko, G. Ricco, S. Simula +3
Inclusive electron scattering off the deuteron has been measured to extract the deuteron structure function F2 with the CEBAF Large Acceptance Spectrometer (CLAS) at the Thomas Jef…
Radiative decays of the Sigma0(1385) and Lambda(1520) hyperons
S. Taylor, G. S. Mutchler
The electromagnetic decays of the Sig0(1385) and Lambda(1520) hyperons were studied in photon-induced reactions gamma p -> K+ Lambda(1116)gamma in the CLAS detector at the Thomas J…
Exclusive meson electroproduction from hydrogen at CLAS
C. Hadjidakis
The longitudinal and transverse components of the cross section for the reaction were measured in Hall B at Jefferson Laboratory using the CLAS detector. Th…
Proton source size measurements in the eA->e'ppX reaction
CLAS Collaboration, A. V. Stavinsky, K. R. Mikhailov +2
Two-proton correlations at small relative momentum q were studied in the eA(3He, 4He, C, Fe)-> e'ppX reaction at E_0 = 4.46 GeV using the CLAS detector at Jefferson Lab. The enhanc…
Exotic Meson Decay to
M. Lu
A partial-wave analysis of the mesons from the reaction has been performed. The data show decay of the spin-exotic states $π_{1}(16…
Exotic Meson Production in the System observed in the Reaction at 18 GeV/c
J. Kuhn
This letter reports results from the partial wave analysis of the final state in collisions at 18GeV/c. Strong evidence is observed for production of tw…
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 meson photoproduction to high momentum transfer, we measured the polar angular decay distribution of the outgoing in the…
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…
Measurement of Inclusive Spin Structure Functions of the Deuteron
J. Yun, S. E. Kuhn, G. E. Dodge +2
We report the results of a new measurement of spin structure functions of the deuteron in the region of moderate momentum transfer ( = 0.27 -- 1.3 (GeV/c)) and final hadro…
A study of the reaction pim p --> omega pim p at 18 GeV/c: The D and S decay amplitudes for b1(1235) --> omega pi
Mina Nozar
The reaction pim p --> omega pim p, omega --> pip pim pi0 has been studied at 18 GeV/c. The omega pim mass spectrum is found to be dominated by the b1(1235). Partial Wave Analysis…
Dependence of Quadrupole Strength in the 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…
DRAFT: Photoproduction of the meson on the proton at large momentum transfer
CLAS collaboration, M. Battaglieri
The differential cross section, , for meson photoproduction on the proton above the resonance region ( GeV) was measured up to a momentum transfer …
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…
Electroproduction of the hyperon
S. P. Barrow
The reaction with was studied at electron beam energies of 4.05, 4.25, and 4.46 GeV, using the CLAS detector at the Thomas Jefferson Natio…
Observation of exotic meson production in the reaction at 18 GeV/c
E. I. Ivanov
An amplitude analysis of an exclusive sample of 5765 events from the reaction at 18 GeV/c is described. The production is dominated…
Exclusive electroproduction of phi mesons at 4.2 GeV
CLAS Collaboration, K. Lukashin, E. S. Smith
We studied the exclusive reaction e p --> e' p' phi using the phi --> K^+ K^- decay mode. The data were collected using a 4.2 GeV incident electron beam and the CLAS detector at Je…
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…
Photoproduction of phi(1020) mesons on the proton at large momentum transfer
Te CLAS Collaboration, E. Anciant
The cross section for 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…
Evidence for Exotic Meson Production in the Reaction at 18 GeV/c
The E852 Collaboration
The system has been studied in the reaction at 18 GeV/c. A large asymmetry in the angular distribution is observed indicating interference between L…