CLAS Physics Database

Measurement E102M17

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: 1.69 — 1.71 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 0.167 0.041 0.005
-0.7 15.0 0.06 0.034 0.004
-0.5 15.0 0.061 0.03 0.004
-0.3 15.0 0.035 0.026 0.004
-0.1 15.0 0.077 0.031 0.005
0.1 15.0 0.079 0.035 0.007
0.3 15.0 0.053 0.033 0.006
0.5 15.0 0.054 0.037 0.005
0.7 15.0 0.089 0.033 0.007
0.9 15.0 0.146 0.039 0.008
-0.9 45.0 0.1 0.045 0.008
-0.7 45.0 0.09 0.04 0.008
-0.5 45.0 0.102 0.047 0.01
-0.3 45.0 0.061 0.043 0.005
-0.1 45.0 0.124 0.054 0.008
0.1 45.0 0.049 0.05 0.006
0.3 45.0 0.123 0.055 0.009
0.5 45.0 0.074 0.044 0.004
0.7 45.0 0.126 0.051 0.007
0.9 45.0 0.134 0.054 0.01
-0.9 75.0 0.126 0.043 0.011
-0.7 75.0 0.184 0.088 0.02
-0.5 75.0 0.061 0.056 0.018
-0.3 75.0 0.015 0.042 0.006
-0.1 75.0 0.101 0.038 0.008
0.1 75.0 0.158 0.042 0.005
0.3 75.0 0.197 0.047 0.007
0.5 75.0 0.207 0.043 0.011
0.7 75.0 0.165 0.037 0.009
0.9 75.0 0.136 0.049 0.015
-0.9 105.0 0.186 0.091 0.024
-0.7 105.0 0.076 0.052 0.011
-0.5 105.0 0.06 0.049 0.007
-0.3 105.0 0.136 0.045 0.006
-0.1 105.0 0.155 0.039 0.008
0.1 105.0 0.214 0.048 0.016
0.3 105.0 0.163 0.045 0.013
0.5 105.0 0.19 0.048 0.021
0.7 105.0 0.231 0.05 0.014
0.9 105.0 0.099 0.044 0.004
-0.9 135.0 0.048 0.05 0.009
-0.5 135.0 0.089 0.054 0.012
-0.3 135.0 0.002 0.047 0.007
-0.1 135.0 0.252 0.089 0.032
0.1 135.0 0.03 0.094 0.024
0.3 135.0 0.201 0.113 0.018
0.5 135.0 0.123 0.08 0.006
0.7 135.0 0.106 0.083 0.041
0.9 135.0 0.246 0.07 0.014
-0.9 165.0 0.12 0.056 0.008
0.3 165.0 0.023 0.106 0.007
0.5 165.0 0.208 0.138 0.029
0.7 165.0 0.187 0.12 0.015