CLAS Physics Database

Measurement E102M22

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: 1.79 — 1.81 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 0.039 0.021 0.005
-0.7 15.0 0.043 0.022 0.004
-0.5 15.0 0.009 0.02 0.001
-0.3 15.0 0.03 0.022 0.002
-0.1 15.0 0.002 0.028 0.012
0.1 15.0 0.074 0.029 0.006
0.3 15.0 0.038 0.04 0.009
0.5 15.0 0.137 0.042 0.004
0.7 15.0 0.054 0.036 0.005
0.9 15.0 0.002 0.032 0.003
-0.9 45.0 0.016 0.031 0.008
-0.7 45.0 0.027 0.031 0.006
-0.5 45.0 0.048 0.029 0.004
-0.3 45.0 0.026 0.041 0.001
-0.1 45.0 0.043 0.033 0.015
0.1 45.0 0.038 0.043 0.01
0.3 45.0 0.027 0.04 0.025
0.5 45.0 0.037 0.044 0.005
0.7 45.0 0.078 0.052 0.019
0.9 45.0 0.079 0.051 0.03
-0.9 75.0 0.09 0.042 0.007
-0.7 75.0 -0.002 0.032 0.011
-0.5 75.0 0.073 0.038 0.01
-0.3 75.0 0.121 0.039 0.009
-0.1 75.0 0.106 0.032 0.008
0.1 75.0 0.13 0.035 0.016
0.3 75.0 0.248 0.05 0.01
0.5 75.0 0.155 0.037 0.005
0.7 75.0 0.187 0.036 0.009
0.9 75.0 0.04 0.028 0.006
-0.9 105.0 0.01 0.039 0.007
-0.7 105.0 0.008 0.028 0.006
-0.5 105.0 0.053 0.025 0.003
-0.3 105.0 0.047 0.028 0.005
-0.1 105.0 0.067 0.032 0.007
0.1 105.0 0.077 0.034 0.004
0.3 105.0 0.073 0.03 0.005
0.5 105.0 0.096 0.045 0.016
0.7 105.0 0.162 0.045 0.017
0.9 105.0 0.1 0.035 0.019
-0.9 135.0 0.011 0.051 0.019
-0.7 135.0 -0.006 0.058 0.009
-0.5 135.0 -0.02 0.044 0.009
-0.3 135.0 0.116 0.108 0.009
-0.1 135.0 0.16 0.058 0.035
0.1 135.0 0.08 0.048 0.016
0.3 135.0 0.067 0.036 0.015
0.5 135.0 0.126 0.04 0.007
0.7 135.0 0.171 0.072 0.019
0.9 135.0 0.124 0.048 0.017
-0.9 165.0 0.056 0.057 0.007
-0.1 165.0 0.015 0.105 0.017
0.1 165.0 0.046 0.061 0.007
0.3 165.0 0.038 0.064 0.016
0.5 165.0 0.176 0.072 0.009
0.7 165.0 0.071 0.053 0.006
0.9 165.0 0.05 0.066 0.013