Measurement E102M2
| Experiment: | E-89-039 | |
|---|---|---|
| Year: | 2007 | |
| Spokespersons: | S. Dytman, K. Giovanetti | |
| Reaction: | ep → η p | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.2 — 0.4 GeV2 | |
| W: | 1.51 — 1.53 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 //
|
|
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/sr] | uncertainty | syst. uncert. |
|---|---|---|---|---|
| -0.9 | 15.0 | 1.064 | 0.052 | 0.095 |
| -0.7 | 15.0 | 1.233 | 0.064 | 0.037 |
| -0.5 | 15.0 | 1.117 | 0.058 | 0.037 |
| -0.3 | 15.0 | 1.213 | 0.063 | 0.044 |
| -0.1 | 15.0 | 1.155 | 0.061 | 0.02 |
| 0.1 | 15.0 | 1.11 | 0.057 | 0.129 |
| 0.3 | 15.0 | 1.084 | 0.056 | 0.036 |
| 0.5 | 15.0 | 1.079 | 0.056 | 0.026 |
| 0.7 | 15.0 | 1.03 | 0.053 | 0.106 |
| 0.9 | 15.0 | 0.958 | 0.05 | 0.04 |
| -0.9 | 45.0 | 1.053 | 0.056 | 0.042 |
| -0.7 | 45.0 | 0.938 | 0.061 | 0.022 |
| -0.5 | 45.0 | 0.905 | 0.062 | 0.021 |
| -0.3 | 45.0 | 1.121 | 0.075 | 0.068 |
| -0.1 | 45.0 | 0.97 | 0.073 | 0.023 |
| 0.1 | 45.0 | 1.023 | 0.078 | 0.049 |
| 0.3 | 45.0 | 0.822 | 0.064 | 0.03 |
| 0.5 | 45.0 | 1.01 | 0.072 | 0.024 |
| 0.7 | 45.0 | 1.16 | 0.084 | 0.052 |
| 0.9 | 45.0 | 0.992 | 0.068 | 0.047 |
| -0.9 | 75.0 | 1.091 | 0.07 | 0.072 |
| -0.7 | 75.0 | 0.969 | 0.094 | 0.052 |
| -0.5 | 75.0 | 0.923 | 0.114 | 0.124 |
| -0.3 | 75.0 | 0.909 | 0.121 | 0.039 |
| -0.1 | 75.0 | 0.869 | 0.123 | 0.098 |
| 0.1 | 75.0 | 1.043 | 0.129 | 0.127 |
| 0.3 | 75.0 | 1.304 | 0.152 | 0.107 |
| 0.5 | 75.0 | 0.638 | 0.101 | 0.035 |
| 0.7 | 75.0 | 0.53 | 0.086 | 0.041 |
| 0.9 | 75.0 | 0.714 | 0.079 | 0.039 |
| -0.9 | 105.0 | 1.379 | 0.101 | 0.113 |
| -0.7 | 105.0 | 0.494 | 0.107 | 0.088 |
| -0.5 | 105.0 | 1.095 | 0.214 | 0.07 |
| -0.3 | 105.0 | 1.395 | 0.146 | 0.276 |
| -0.1 | 105.0 | 1.609 | 0.122 | 0.23 |
| 0.1 | 105.0 | 1.362 | 0.089 | 0.157 |
| 0.3 | 105.0 | 1.255 | 0.088 | 0.113 |
| 0.5 | 105.0 | 1.422 | 0.111 | 0.147 |
| 0.7 | 105.0 | 0.876 | 0.096 | 0.088 |
| 0.9 | 105.0 | 0.367 | 0.077 | 0.076 |
| -0.9 | 135.0 | 1.414 | 0.112 | 0.038 |
| -0.7 | 135.0 | 0.364 | 0.145 | 0.059 |
| -0.3 | 135.0 | 1.885 | 0.26 | 1.016 |
| -0.1 | 135.0 | 1.35 | 0.134 | 0.491 |
| 0.1 | 135.0 | 1.279 | 0.098 | 0.301 |
| 0.3 | 135.0 | 1.938 | 0.149 | 0.183 |
| 0.5 | 135.0 | 1.499 | 0.132 | 0.152 |
| 0.7 | 135.0 | 0.78 | 0.125 | 0.057 |
| 0.9 | 135.0 | 0.759 | 0.116 | 0.05 |
| -0.9 | 165.0 | 1.126 | 0.075 | 0.053 |
| -0.7 | 165.0 | 0.775 | 0.116 | 0.019 |
| 0.9 | 165.0 | 0.996 | 0.116 | 0.077 |
Measurement comment: