CLAS Physics Database

Measurement E102M3

Experiment: E-89-039
Year: 2007

Measurement comment:

Electron beam energy is 1.515 GeV. Measurements are average of Phi* and 360-Phi*.
Spokespersons: S. Dytman, K. Giovanetti
Reaction: ep → η p
Polarization: none
Quantity: dσ/dΩ
Q2: 0.2 — 0.4 GeV2
W: 1.53 — 1.55 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 1.169 0.059 0.006
-0.7 15.0 1.097 0.059 0.101
-0.5 15.0 1.203 0.065 0.07
-0.3 15.0 1.207 0.065 0.063
-0.1 15.0 1.183 0.065 0.149
0.1 15.0 1.229 0.061 0.086
0.3 15.0 1.074 0.057 0.041
0.5 15.0 0.888 0.047 0.016
0.7 15.0 0.87 0.046 0.027
0.9 15.0 0.967 0.054 0.085
-0.9 45.0 0.923 0.057 0.016
-0.7 45.0 1.058 0.071 0.044
-0.5 45.0 0.926 0.069 0.1
-0.3 45.0 0.982 0.076 0.021
-0.1 45.0 0.872 0.075 0.021
0.1 45.0 0.867 0.072 0.02
0.3 45.0 0.749 0.063 0.059
0.5 45.0 0.817 0.071 0.055
0.7 45.0 0.897 0.079 0.045
0.9 45.0 0.972 0.074 0.052
-0.9 75.0 1.295 0.093 0.137
-0.7 75.0 0.864 0.093 0.09
-0.5 75.0 1.215 0.131 0.126
-0.3 75.0 0.901 0.092 0.053
-0.1 75.0 1.303 0.108 0.114
0.1 75.0 1.612 0.11 0.06
0.3 75.0 1.244 0.093 0.028
0.5 75.0 1.019 0.083 0.089
0.7 75.0 0.609 0.068 0.028
0.9 75.0 0.595 0.087 0.023
-0.9 105.0 0.737 0.074 0.071
-0.7 105.0 0.651 0.175 0.086
-0.5 105.0 1.24 0.115 0.2
-0.3 105.0 1.589 0.097 0.163
-0.1 105.0 1.641 0.083 0.222
0.1 105.0 1.31 0.065 0.128
0.3 105.0 1.075 0.057 0.073
0.5 105.0 1.196 0.065 0.03
0.7 105.0 1.055 0.067 0.066
0.9 105.0 0.451 0.066 0.031
-0.9 135.0 0.936 0.095 0.086
-0.5 135.0 1.613 0.164 0.463
-0.3 135.0 1.707 0.121 0.348
-0.1 135.0 1.72 0.117 0.122
0.1 135.0 1.281 0.093 0.041
0.3 135.0 1.033 0.08 0.02
0.5 135.0 1.026 0.082 0.078
0.7 135.0 1.279 0.102 0.022
0.9 135.0 0.718 0.109 0.041
-0.9 165.0 1.194 0.098 0.039
0.9 165.0 0.763 0.206 0.099