CLAS Physics Database

Measurement E102M19

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: 1.73 — 1.75 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 0.06 0.031 0.007
-0.7 15.0 0.076 0.032 0.006
-0.5 15.0 0.049 0.027 0.011
-0.3 15.0 0.052 0.033 0.005
-0.1 15.0 0.054 0.031 0.005
0.1 15.0 0.053 0.033 0.003
0.3 15.0 0.05 0.037 0.003
0.5 15.0 0.092 0.031 0.006
0.7 15.0 0.145 0.034 0.008
0.9 15.0 0.039 0.033 0.007
-0.9 45.0 0.05 0.036 0.003
-0.7 45.0 0.014 0.035 0.003
-0.5 45.0 0.059 0.048 0.012
-0.3 45.0 0.123 0.048 0.017
-0.1 45.0 0.125 0.05 0.022
0.1 45.0 0.04 0.053 0.01
0.3 45.0 0.152 0.056 0.013
0.5 45.0 0.244 0.077 0.016
0.7 45.0 0.119 0.051 0.027
0.9 45.0 0.026 0.05 0.022
-0.9 75.0 0.025 0.05 0.006
-0.7 75.0 0.065 0.076 0.029
-0.5 75.0 0.06 0.048 0.009
-0.3 75.0 0.128 0.053 0.012
-0.1 75.0 0.148 0.049 0.012
0.1 75.0 0.174 0.045 0.017
0.3 75.0 0.14 0.045 0.011
0.5 75.0 0.269 0.048 0.009
0.7 75.0 0.216 0.044 0.011
0.9 75.0 0.108 0.041 0.015
-0.9 105.0 0.018 0.044 0.01
-0.7 105.0 0.082 0.051 0.021
-0.5 105.0 0.071 0.03 0.003
-0.3 105.0 0.08 0.037 0.011
-0.1 105.0 0.145 0.035 0.011
0.1 105.0 0.166 0.039 0.008
0.3 105.0 0.047 0.039 0.007
0.5 105.0 0.216 0.049 0.013
0.7 105.0 0.14 0.047 0.01
0.9 105.0 0.117 0.036 0.015
-0.9 135.0 0.058 0.061 0.009
-0.7 135.0 0.167 0.093 0.018
-0.5 135.0 0.078 0.048 0.006
-0.3 135.0 0.087 0.068 0.037
-0.1 135.0 0.069 0.082 0.022
0.1 135.0 0.219 0.116 0.021
0.3 135.0 0.044 0.052 0.017
0.5 135.0 0.154 0.075 0.016
0.7 135.0 0.097 0.048 0.011
0.9 135.0 0.077 0.058 0.01
-0.9 165.0 -0.001 0.06 0.014
0.1 165.0 0.323 0.127 0.032
0.3 165.0 0.229 0.093 0.01
0.5 165.0 0.228 0.086 0.013
0.7 165.0 0.115 0.084 0.018
0.9 165.0 0.197 0.129 0.051