CLAS Physics Database

Measurement E102M5

Experiment: E-89-039
Year: 2007

Measurement comment:

Electron beam energy is 1.515 GeV. Measurements are average of Phi* and 360-Phi*.
Spokespersons: S. Dytman, K. Giovanetti
Reaction: ep → η p
Polarization: none
Quantity: dσ/dΩ
Q2: 0.2 — 0.4 GeV2
W: 1.57 — 1.59 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 //

Slice: cos(θ) = dimensionless

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/sr] uncertainty
-0.9 15.0 0.755 0.048
-0.7 15.0 0.698 0.043
-0.5 15.0 0.676 0.044
-0.3 15.0 0.938 0.056
-0.1 15.0 0.732 0.049
0.1 15.0 0.866 0.049
0.3 15.0 0.741 0.049
0.5 15.0 0.635 0.046
0.7 15.0 0.489 0.043
0.9 15.0 0.421 0.042
-0.9 45.0 0.723 0.061
-0.7 45.0 0.834 0.08
-0.5 45.0 0.534 0.057
-0.3 45.0 0.687 0.064
-0.1 45.0 0.669 0.073
0.1 45.0 0.72 0.068
0.3 45.0 0.676 0.06
0.5 45.0 0.861 0.088
0.7 45.0 0.671 0.086
0.9 45.0 0.426 0.057
-0.9 75.0 0.775 0.081
-0.7 75.0 0.824 0.118
-0.5 75.0 1.077 0.103
-0.3 75.0 0.91 0.071
-0.1 75.0 0.985 0.07
0.1 75.0 0.809 0.055
0.3 75.0 0.709 0.05
0.5 75.0 0.604 0.046
0.7 75.0 0.725 0.057
0.9 75.0 0.374 0.054
-0.9 105.0 0.64 0.124
-0.7 105.0 0.755 0.076
-0.5 105.0 0.862 0.058
-0.3 105.0 0.867 0.053
-0.1 105.0 0.712 0.05
0.1 105.0 0.589 0.046
0.3 105.0 0.623 0.052
0.5 105.0 0.595 0.051
0.7 105.0 0.599 0.056
0.9 105.0 0.367 0.049
-0.9 135.0 0.612 0.131
-0.7 135.0 1.2 0.171
-0.5 135.0 0.754 0.09
-0.3 135.0 0.491 0.075
-0.1 135.0 0.766 0.16
0.1 135.0 0.622 0.112
0.3 135.0 0.577 0.115
0.5 135.0 0.582 0.105
0.7 135.0 0.306 0.087
0.9 135.0 0.372 0.133
-0.9 165.0 0.616 0.112
0.3 165.0 1.012 0.207
0.5 165.0 0.856 0.181
0.7 165.0 0.337 0.124