CLAS Physics Database

Measurement E102M15

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: 1.65 — 1.67 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 0.163 0.033 0.01
-0.7 15.0 0.153 0.032 0.006
-0.5 15.0 0.156 0.032 0.009
-0.3 15.0 0.154 0.037 0.011
-0.1 15.0 0.123 0.029 0.006
0.1 15.0 0.095 0.028 0.006
0.3 15.0 0.091 0.028 0.003
0.5 15.0 0.039 0.023 0.003
0.7 15.0 0.078 0.029 0.009
0.9 15.0 0.004 0.027 0.003
-0.9 45.0 0.185 0.044 0.009
-0.7 45.0 0.083 0.036 0.008
-0.5 45.0 0.211 0.052 0.017
-0.3 45.0 0.21 0.049 0.012
-0.1 45.0 0.087 0.043 0.004
0.1 45.0 0.023 0.039 0.002
0.3 45.0 0.119 0.047 0.012
0.5 45.0 0.039 0.054 0.005
0.7 45.0 0.05 0.039 0.004
0.9 45.0 -0.019 0.034 0.011
-0.9 75.0 0.124 0.041 0.012
-0.7 75.0 0.193 0.064 0.02
-0.5 75.0 0.075 0.054 0.031
-0.3 75.0 0.15 0.056 0.014
-0.1 75.0 0.016 0.036 0.003
0.1 75.0 0.066 0.043 0.009
0.3 75.0 0.0 0.036 0.0
0.5 75.0 0.076 0.035 0.003
0.7 75.0 0.06 0.036 0.003
0.9 75.0 0.136 0.061 0.037
-0.9 105.0 0.134 0.052 0.009
-0.7 105.0 0.162 0.088 0.0
-0.5 105.0 0.17 0.057 0.013
-0.3 105.0 0.145 0.04 0.01
-0.1 105.0 0.113 0.044 0.004
0.1 105.0 0.138 0.034 0.005
0.3 105.0 0.105 0.037 0.007
0.5 105.0 0.164 0.04 0.012
0.7 105.0 0.129 0.038 0.008
0.9 105.0 0.003 0.045 0.014
-0.9 135.0 0.248 0.061 0.011
-0.5 135.0 0.089 0.069 0.01
-0.3 135.0 0.098 0.055 0.016
-0.1 135.0 0.079 0.033 0.007
0.1 135.0 0.09 0.05 0.006
0.3 135.0 0.139 0.067 0.023
0.5 135.0 -0.11 0.071 0.014
0.7 135.0 0.006 0.058 0.01
0.9 135.0 0.0 0.052 0.011
-0.9 165.0 0.151 0.048 0.004
0.9 165.0 -0.063 0.097 0.007