279 citations · 2.6k across the 48 of their papers we have counts for
21 papers · 1 filter
Status and prospects of Di-jet production in high-energy polarized proton-proton collisions at RHIC at s**(1/2) = 200-GeV
STAR Collaboration
The STAR experiment at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory (BNL) is carrying out a spin physics program colliding transversely or longitudi…
Recent STAR Results from Charged Pion Production in Polarized pp Collisions at at RHIC
Adam Kocoloski
The STAR experiment at RHIC measures the longitudinal double-spin asymmetry for a variety of final states in collisions of longitudinally polarized protons to constrain th…
Future Investigations of the Flavor Dependence of Sea Quark Helicities at STAR
J. Sowinski
The flavor dependence of polarized and unpolarized quark distributions in the nucleon can lead to insights into the formation of the sea. Drell-Yan measurements have pointed to fla…
Constraints on Delta G through Longitudinal Double Spin Asymmetry Measurements of Inclusive Jet Production in Polarized p+p Collisions at 200 GeV
M. Sarsour
We report measurements of the longitudinal double spin asymmetry for inclusive jet production using polarized p+p collisions at sqrt{s} = 200 GeV at RHIC. Results from the 2005 and…
Spin-dependent Forward Particle Correlations in p+p Collisions at GeV
Nikola Poljak
The STAR collaboration has reported precision measurements of the transverse single spin asymmetries for the production of the mesons from polarized proton collisions at $\sq…
pi^0 Transverse Single-Spin Asymmetries at eta=4.1 in p+p Collisions at sqrt{s}=200 GeV
J. L. Drachenberg
Large transverse single-spin asymmetries, A_{N}, have been observed in forward hadron production at RHIC. STAR has reported precision measurements of the x_{F}-p_{T} dependence of…
First measurement of direct photoproduction on the proton
CLAS Collaboration, M. Battaglieri, R. De Vita +1
We report on the results of the first measurement of exclusive meson photoproduction on protons for GeV and GeV. Data were collected w…
Exclusive electroproduction on the proton at CLAS
CLAS collaboration
The reaction has been measured, using the 5.754 GeV electron beam of Jefferson Lab and the CLAS detector. This represents the largest ever set of data for t…
Beam spin asymmetry in deep and exclusive pi0 electroproduction
CLAS Collaboration, R. De Masi
The beam spin asymmetry (BSA) in the exclusive reaction ep->ep pi0 was measured with the CEBAF 5.77 GeV polarized electron beam and Large Acceptance Spectrometer(CLAS). The xB, Q2,…
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…
Measurement of Deeply Virtual Compton Scattering with a Polarized Proton Target
S. Chen, H. Avakian, V. Burkert +2
The longitudinal target-spin asymmetry A_UL for the exclusive electroproduction of high energy photons was measured for the first time in p(e,e'pγ). The data have been accumulated…
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…
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…
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…
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…
Measurement of the Proton and Deuteron Spin Structure Functions g2 and Asymmetry A2
E155 Collaboration, P. L. Anthony, R. G. Arnold
We have measured the spin structure functions g2p and g2d and the virtual photon asymmetries A2p and A2d over the kinematic range 0.02 < x < 0.8 and 1.0 < Q^2 < 30(GeV/c)^2 by scat…
Polarised Quark Distributions in the Nucleon from Semi-Inclusive Spin Asymmetries
Spin Muon Collaboration
We present a measurement of semi-inclusive spin asymmetries for positively and negatively charged hadrons from deep inelastic scattering of polarised muons on polarised protons and…
Measurement of the Proton and Deuteron Spin Structure Function g_1 in the Resonance Region
The E143 Collaboration
We have measured the proton and deuteron spin structure functions g_1^p and g_1^d in the region of the nucleon resonances for W^2 < 5 GeV^2 and and …
Large enhancement of deuteron polarization with frequency modulated microwaves
The SMC Collaboration
We report a large enhancement of 1.7 in deuteron polarization up to values of 0.6 due to frequency modulation of the polarizing microwaves in a two liters polarized target using th…