CLAS Physics Database

Measurement E102M24

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: 1.0 — 1.4 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 //

Slice: cos(θ) = dimensionless

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/sr] uncertainty syst. uncert.
-0.9 15.0 0.62 0.067 0.022
-0.7 15.0 0.694 0.07 0.016
-0.5 15.0 0.747 0.076 0.02
-0.3 15.0 0.693 0.074 0.015
-0.1 15.0 0.609 0.07 0.017
0.1 15.0 0.624 0.071 0.026
0.3 15.0 0.63 0.071 0.033
0.5 15.0 0.554 0.073 0.012
0.7 15.0 0.841 0.091 0.025
0.9 15.0 0.658 0.087 0.017
-0.9 45.0 0.702 0.076 0.03
-0.7 45.0 0.736 0.076 0.013
-0.5 45.0 0.54 0.073 0.008
-0.3 45.0 0.652 0.079 0.016
-0.1 45.0 0.715 0.081 0.019
0.1 45.0 0.68 0.085 0.018
0.3 45.0 0.692 0.086 0.024
0.5 45.0 0.399 0.076 0.024
0.7 45.0 0.561 0.082 0.016
0.9 45.0 0.568 0.086 0.013
-0.9 75.0 0.715 0.076 0.021
-0.7 75.0 0.652 0.085 0.038
-0.5 75.0 0.75 0.104 0.037
-0.3 75.0 0.864 0.112 0.033
-0.1 75.0 0.672 0.099 0.023
0.1 75.0 0.798 0.107 0.02
0.3 75.0 0.641 0.093 0.036
0.5 75.0 0.436 0.081 0.017
0.7 75.0 0.651 0.12 0.038
0.9 75.0 0.478 0.093 0.016
-0.9 105.0 0.609 0.076 0.058
-0.7 105.0 0.56 0.075 0.023
-0.5 105.0 0.833 0.11 0.042
-0.3 105.0 0.867 0.12 0.066
-0.1 105.0 0.776 0.14 0.078
0.1 105.0 0.695 0.118 0.009
0.3 105.0 0.541 0.114 0.057
0.5 105.0 0.499 0.106 0.044
0.7 105.0 0.674 0.116 0.035
0.9 105.0 0.615 0.089 0.013
-0.9 135.0 0.674 0.081 0.027
-0.7 135.0 0.576 0.087 0.052
-0.5 135.0 0.584 0.097 0.025
-0.3 135.0 0.707 0.119 0.022
-0.1 135.0 0.66 0.149 0.027
0.1 135.0 0.564 0.145 0.038
0.3 135.0 0.531 0.139 0.027
0.5 135.0 0.518 0.132 0.051
0.7 135.0 0.745 0.145 0.083
0.9 135.0 0.623 0.109 0.008
-0.9 165.0 0.536 0.064 0.023
-0.7 165.0 0.562 0.071 0.027
-0.5 165.0 0.652 0.086 0.017
-0.3 165.0 0.438 0.088 0.016
-0.1 165.0 0.594 0.093 0.006
0.1 165.0 0.482 0.105 0.043
0.3 165.0 0.35 0.114 0.02
0.5 165.0 0.6 0.114 0.016
0.7 165.0 0.382 0.098 0.026
0.9 165.0 0.585 0.088 0.01