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
-0.9 15.0 1.169 0.059
-0.7 15.0 1.097 0.059
-0.5 15.0 1.203 0.065
-0.3 15.0 1.207 0.065
-0.1 15.0 1.183 0.065
0.1 15.0 1.229 0.061
0.3 15.0 1.074 0.057
0.5 15.0 0.888 0.047
0.7 15.0 0.87 0.046
0.9 15.0 0.967 0.054
-0.9 45.0 0.923 0.057
-0.7 45.0 1.058 0.071
-0.5 45.0 0.926 0.069
-0.3 45.0 0.982 0.076
-0.1 45.0 0.872 0.075
0.1 45.0 0.867 0.072
0.3 45.0 0.749 0.063
0.5 45.0 0.817 0.071
0.7 45.0 0.897 0.079
0.9 45.0 0.972 0.074
-0.9 75.0 1.295 0.093
-0.7 75.0 0.864 0.093
-0.5 75.0 1.215 0.131
-0.3 75.0 0.901 0.092
-0.1 75.0 1.303 0.108
0.1 75.0 1.612 0.11
0.3 75.0 1.244 0.093
0.5 75.0 1.019 0.083
0.7 75.0 0.609 0.068
0.9 75.0 0.595 0.087
-0.9 105.0 0.737 0.074
-0.7 105.0 0.651 0.175
-0.5 105.0 1.24 0.115
-0.3 105.0 1.589 0.097
-0.1 105.0 1.641 0.083
0.1 105.0 1.31 0.065
0.3 105.0 1.075 0.057
0.5 105.0 1.196 0.065
0.7 105.0 1.055 0.067
0.9 105.0 0.451 0.066
-0.9 135.0 0.936 0.095
-0.5 135.0 1.613 0.164
-0.3 135.0 1.707 0.121
-0.1 135.0 1.72 0.117
0.1 135.0 1.281 0.093
0.3 135.0 1.033 0.08
0.5 135.0 1.026 0.082
0.7 135.0 1.279 0.102
0.9 135.0 0.718 0.109
-0.9 165.0 1.194 0.098
0.9 165.0 0.763 0.206