CLAS Physics Database

Measurement E102M8

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: 1.51 — 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 0.708 0.069 0.011
-0.7 15.0 0.862 0.07 0.018
-0.5 15.0 1.039 0.082 0.026
-0.3 15.0 1.04 0.082 0.023
-0.1 15.0 0.828 0.065 0.012
0.1 15.0 0.923 0.071 0.022
0.3 15.0 0.785 0.06 0.013
0.5 15.0 0.882 0.068 0.028
0.7 15.0 1.061 0.083 0.036
0.9 15.0 0.923 0.077 0.011
-0.9 45.0 0.912 0.072 0.029
-0.7 45.0 1.001 0.079 0.017
-0.5 45.0 0.855 0.075 0.017
-0.3 45.0 0.916 0.079 0.012
-0.1 45.0 0.881 0.077 0.01
0.1 45.0 0.769 0.067 0.013
0.3 45.0 0.852 0.073 0.01
0.5 45.0 0.805 0.075 0.007
0.7 45.0 0.889 0.083 0.015
0.9 45.0 0.742 0.072 0.026
-0.9 75.0 0.985 0.077 0.042
-0.7 75.0 0.964 0.084 0.02
-0.5 75.0 0.822 0.093 0.008
-0.3 75.0 0.84 0.097 0.037
-0.1 75.0 0.658 0.096 0.016
0.1 75.0 0.734 0.09 0.051
0.3 75.0 0.853 0.105 0.051
0.5 75.0 0.891 0.105 0.088
0.7 75.0 0.872 0.1 0.041
0.9 75.0 0.653 0.07 0.022
-0.9 105.0 1.013 0.075 0.029
-0.7 105.0 0.904 0.08 0.024
-0.5 105.0 0.913 0.105 0.031
-0.3 105.0 0.933 0.13 0.047
-0.1 105.0 0.649 0.121 0.069
0.1 105.0 0.658 0.12 0.118
0.3 105.0 0.635 0.123 0.092
0.5 105.0 0.541 0.108 0.078
0.7 105.0 0.725 0.115 0.079
0.9 105.0 0.723 0.083 0.007
-0.9 135.0 1.027 0.075 0.044
-0.7 135.0 0.968 0.091 0.011
-0.5 135.0 1.112 0.126 0.029
-0.3 135.0 0.99 0.141 0.076
-0.1 135.0 0.686 0.136 0.245
0.1 135.0 0.543 0.131 0.144
0.3 135.0 0.833 0.143 0.246
0.5 135.0 0.688 0.129 0.132
0.7 135.0 0.603 0.111 0.074
0.9 135.0 0.717 0.08 0.01
-0.9 165.0 1.033 0.079 0.058
-0.7 165.0 0.913 0.074 0.045
-0.5 165.0 0.894 0.082 0.007
-0.3 165.0 0.929 0.1 0.017
-0.1 165.0 0.842 0.096 0.007
0.1 165.0 0.526 0.086 0.038
0.3 165.0 0.801 0.1 0.067
0.5 165.0 0.965 0.109 0.046
0.7 165.0 0.667 0.088 0.015
0.9 165.0 0.567 0.068 0.006