CLAS Physics Database

Measurement E102M18

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: 1.71 — 1.73 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 0.037 0.005
-0.7 15.0 0.051 0.034 0.017
-0.5 15.0 0.061 0.032 0.007
-0.3 15.0 0.098 0.037 0.009
-0.1 15.0 0.042 0.033 0.006
0.1 15.0 0.075 0.034 0.005
0.3 15.0 0.101 0.037 0.008
0.5 15.0 0.158 0.04 0.012
0.7 15.0 0.176 0.043 0.009
0.9 15.0 0.146 0.038 0.011
-0.9 45.0 0.074 0.037 0.011
-0.7 45.0 0.112 0.047 0.008
-0.5 45.0 0.08 0.054 0.011
-0.3 45.0 0.064 0.049 0.006
-0.1 45.0 0.028 0.047 0.004
0.1 45.0 0.179 0.071 0.023
0.3 45.0 0.071 0.053 0.004
0.5 45.0 0.193 0.06 0.033
0.7 45.0 0.066 0.049 0.007
0.9 45.0 0.161 0.058 0.006
-0.9 75.0 0.122 0.05 0.008
-0.7 75.0 0.037 0.073 0.033
-0.5 75.0 -0.009 0.033 0.003
-0.3 75.0 0.137 0.049 0.017
-0.1 75.0 0.155 0.051 0.012
0.1 75.0 0.178 0.045 0.009
0.3 75.0 0.232 0.05 0.012
0.5 75.0 0.17 0.044 0.012
0.7 75.0 0.26 0.046 0.016
0.9 75.0 0.211 0.072 0.029
-0.9 105.0 0.028 0.061 0.025
-0.7 105.0 0.101 0.07 0.02
-0.5 105.0 0.147 0.05 0.014
-0.3 105.0 0.122 0.036 0.007
-0.1 105.0 0.145 0.039 0.008
0.1 105.0 0.166 0.044 0.006
0.3 105.0 0.184 0.05 0.007
0.5 105.0 0.141 0.039 0.011
0.7 105.0 0.128 0.042 0.006
0.9 105.0 0.209 0.053 0.012
-0.9 135.0 0.119 0.077 0.027
-0.7 135.0 0.08 0.088 0.014
-0.5 135.0 0.092 0.054 0.01
-0.3 135.0 0.124 0.056 0.007
-0.1 135.0 0.227 0.081 0.015
0.1 135.0 0.158 0.117 0.087
0.3 135.0 -0.103 0.123 0.031
0.5 135.0 0.184 0.069 0.009
0.7 135.0 0.197 0.099 0.04
0.9 135.0 0.093 0.058 0.009
-0.9 165.0 -0.042 0.06 0.008
0.1 165.0 0.281 0.17 0.0
0.3 165.0 0.372 0.132 0.024
0.5 165.0 0.392 0.151 0.016
0.7 165.0 0.338 0.123 0.036