CLAS Physics Database

Measurement E102M9

Experiment: E-89-039
Year: 2007

Measurement comment:

Electron beam energy is 2.567 GeV. Measurements are average of Phi* and 360-Phi*.
Spokespersons: S. Dytman, K. Giovanetti
Reaction: ep → η p
Polarization: none
Quantity: dσ/dΩ
Q2: 0.6 — 1.0 GeV2
W: 1.53 — 1.55 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 0.851 0.068
-0.7 15.0 0.862 0.069
-0.5 15.0 1.018 0.076
-0.3 15.0 0.844 0.064
-0.1 15.0 0.711 0.057
0.1 15.0 0.846 0.061
0.3 15.0 0.821 0.062
0.5 15.0 0.857 0.066
0.7 15.0 0.736 0.066
0.9 15.0 0.644 0.065
-0.9 45.0 0.912 0.068
-0.7 45.0 0.866 0.07
-0.5 45.0 0.853 0.071
-0.3 45.0 0.928 0.082
-0.1 45.0 0.918 0.077
0.1 45.0 0.784 0.068
0.3 45.0 0.892 0.076
0.5 45.0 0.778 0.072
0.7 45.0 0.906 0.084
0.9 45.0 0.451 0.065
-0.9 75.0 0.818 0.065
-0.7 75.0 0.91 0.082
-0.5 75.0 0.95 0.104
-0.3 75.0 0.834 0.099
-0.1 75.0 0.947 0.117
0.1 75.0 0.817 0.112
0.3 75.0 0.753 0.11
0.5 75.0 0.713 0.111
0.7 75.0 0.712 0.107
0.9 75.0 0.482 0.071
-0.9 105.0 0.929 0.072
-0.7 105.0 0.861 0.097
-0.5 105.0 0.677 0.112
-0.3 105.0 0.736 0.146
0.1 105.0 0.817 0.214
0.3 105.0 0.562 0.152
0.5 105.0 0.538 0.158
0.7 105.0 0.528 0.136
0.9 105.0 0.494 0.076
-0.9 135.0 0.808 0.069
-0.7 135.0 0.772 0.088
-0.5 135.0 0.657 0.117
-0.3 135.0 0.437 0.146
0.5 135.0 0.204 0.144
0.7 135.0 0.358 0.138
0.9 135.0 0.467 0.077
-0.9 165.0 0.858 0.067
-0.7 165.0 0.804 0.076
-0.5 165.0 0.985 0.094
-0.3 165.0 0.735 0.102
-0.1 165.0 0.992 0.125
0.1 165.0 0.641 0.121
0.3 165.0 0.628 0.11
0.5 165.0 0.56 0.141
0.7 165.0 0.491 0.092
0.9 165.0 0.468 0.063