CLAS Physics Database

Measurement E102M105

Experiment: E-89-039
Year: 2007

Measurement comment:

Electron beam energy is 2.567 Gev. From fit to angular xs with constraint that fitted xs be positive over all phi.
Spokespersons: S. Dytman, K. Giovanetti
Reaction: ep → η p
Polarization: none
Quantity: dσ/dΩT+ε·dσ/dΩL
Q2: 0.6 — 1.0 GeV2
W: 1.51 — 1.53 GeV
Publication:
H. Denizli, J. Mueller, S. Dytman, M.L. Leber, R.D. Levine, J. Miles, K.Y. Kim, and CLAS Collaboration Q2 dependence of the S11(1535) Photocoupling and Evidence for a P-wave resonance in η electroproduction //

Measurement data
cos(θ) dσ/dΩT+ε·dσ/dΩL, [μb/sr] uncertainty syst. uncert.
-0.9 0.945 None 0.035
-0.7 0.932 None 0.023
-0.5 0.916 None 0.018
-0.3 0.929 None 0.031
-0.1 0.765 None 0.046
0.1 0.687 None 0.055
0.3 0.797 None 0.07
0.5 0.796 None 0.06
0.7 0.803 None 0.041
0.9 0.712 None 0.014