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 syst. uncert.
-0.9 15.0 0.851 0.068 0.008
-0.7 15.0 0.862 0.069 0.018
-0.5 15.0 1.018 0.076 0.037
-0.3 15.0 0.844 0.064 0.013
-0.1 15.0 0.711 0.057 0.017
0.1 15.0 0.846 0.061 0.015
0.3 15.0 0.821 0.062 0.055
0.5 15.0 0.857 0.066 0.028
0.7 15.0 0.736 0.066 0.024
0.9 15.0 0.644 0.065 0.024
-0.9 45.0 0.912 0.068 0.031
-0.7 45.0 0.866 0.07 0.015
-0.5 45.0 0.853 0.071 0.044
-0.3 45.0 0.928 0.082 0.017
-0.1 45.0 0.918 0.077 0.018
0.1 45.0 0.784 0.068 0.038
0.3 45.0 0.892 0.076 0.044
0.5 45.0 0.778 0.072 0.048
0.7 45.0 0.906 0.084 0.041
0.9 45.0 0.451 0.065 0.012
-0.9 75.0 0.818 0.065 0.035
-0.7 75.0 0.91 0.082 0.012
-0.5 75.0 0.95 0.104 0.063
-0.3 75.0 0.834 0.099 0.055
-0.1 75.0 0.947 0.117 0.049
0.1 75.0 0.817 0.112 0.114
0.3 75.0 0.753 0.11 0.073
0.5 75.0 0.713 0.111 0.053
0.7 75.0 0.712 0.107 0.07
0.9 75.0 0.482 0.071 0.027
-0.9 105.0 0.929 0.072 0.027
-0.7 105.0 0.861 0.097 0.043
-0.5 105.0 0.677 0.112 0.069
-0.3 105.0 0.736 0.146 0.125
0.1 105.0 0.817 0.214 0.03
0.3 105.0 0.562 0.152 0.027
0.5 105.0 0.538 0.158 0.014
0.7 105.0 0.528 0.136 0.04
0.9 105.0 0.494 0.076 0.038
-0.9 135.0 0.808 0.069 0.029
-0.7 135.0 0.772 0.088 0.042
-0.5 135.0 0.657 0.117 0.086
-0.3 135.0 0.437 0.146 0.072
0.5 135.0 0.204 0.144 0.025
0.7 135.0 0.358 0.138 0.053
0.9 135.0 0.467 0.077 0.053
-0.9 165.0 0.858 0.067 0.016
-0.7 165.0 0.804 0.076 0.007
-0.5 165.0 0.985 0.094 0.012
-0.3 165.0 0.735 0.102 0.03
-0.1 165.0 0.992 0.125 0.125
0.1 165.0 0.641 0.121 0.093
0.3 165.0 0.628 0.11 0.108
0.5 165.0 0.56 0.141 0.087
0.7 165.0 0.491 0.092 0.07
0.9 165.0 0.468 0.063 0.015