Measurement E102M4
| 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: | 1.55 — 1.57 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 | 0.869 | 0.05 | 0.027 |
| -0.7 | 15.0 | 0.86 | 0.051 | 0.009 |
| -0.5 | 15.0 | 0.826 | 0.049 | 0.01 |
| -0.3 | 15.0 | 0.877 | 0.052 | 0.128 |
| -0.1 | 15.0 | 0.858 | 0.049 | 0.06 |
| 0.1 | 15.0 | 0.902 | 0.051 | 0.008 |
| 0.3 | 15.0 | 0.816 | 0.045 | 0.033 |
| 0.5 | 15.0 | 0.706 | 0.043 | 0.029 |
| 0.7 | 15.0 | 0.674 | 0.046 | 0.032 |
| 0.9 | 15.0 | 0.799 | 0.054 | 0.064 |
| -0.9 | 45.0 | 0.93 | 0.062 | 0.014 |
| -0.7 | 45.0 | 0.945 | 0.071 | 0.048 |
| -0.5 | 45.0 | 0.833 | 0.076 | 0.075 |
| -0.3 | 45.0 | 0.811 | 0.069 | 0.125 |
| -0.1 | 45.0 | 0.786 | 0.069 | 0.02 |
| 0.1 | 45.0 | 0.861 | 0.073 | 0.045 |
| 0.3 | 45.0 | 0.914 | 0.074 | 0.042 |
| 0.5 | 45.0 | 1.144 | 0.099 | 0.14 |
| 0.7 | 45.0 | 0.856 | 0.08 | 0.044 |
| 0.9 | 45.0 | 0.634 | 0.064 | 0.085 |
| -0.9 | 75.0 | 0.641 | 0.071 | 0.012 |
| -0.7 | 75.0 | 0.528 | 0.089 | 0.077 |
| -0.5 | 75.0 | 1.04 | 0.1 | 0.014 |
| -0.3 | 75.0 | 0.927 | 0.077 | 0.049 |
| -0.1 | 75.0 | 1.061 | 0.082 | 0.03 |
| 0.1 | 75.0 | 1.076 | 0.069 | 0.053 |
| 0.3 | 75.0 | 1.069 | 0.068 | 0.031 |
| 0.5 | 75.0 | 0.884 | 0.062 | 0.013 |
| 0.7 | 75.0 | 0.631 | 0.057 | 0.035 |
| 0.9 | 75.0 | 0.421 | 0.065 | 0.056 |
| -0.9 | 105.0 | 1.031 | 0.131 | 0.091 |
| -0.7 | 105.0 | 0.917 | 0.128 | 0.274 |
| -0.5 | 105.0 | 1.006 | 0.068 | 0.042 |
| -0.3 | 105.0 | 0.952 | 0.058 | 0.045 |
| -0.1 | 105.0 | 1.076 | 0.058 | 0.026 |
| 0.1 | 105.0 | 1.027 | 0.058 | 0.014 |
| 0.3 | 105.0 | 1.052 | 0.06 | 0.032 |
| 0.5 | 105.0 | 1.03 | 0.065 | 0.039 |
| 0.7 | 105.0 | 0.86 | 0.059 | 0.038 |
| 0.9 | 105.0 | 0.541 | 0.056 | 0.016 |
| -0.9 | 135.0 | 1.0 | 0.136 | 0.053 |
| -0.7 | 135.0 | 1.932 | 0.311 | 0.653 |
| -0.5 | 135.0 | 1.152 | 0.101 | 0.15 |
| -0.3 | 135.0 | 1.052 | 0.101 | 0.11 |
| -0.1 | 135.0 | 0.614 | 0.09 | 0.032 |
| 0.1 | 135.0 | 0.724 | 0.139 | 0.142 |
| 0.3 | 135.0 | 0.69 | 0.117 | 0.017 |
| 0.5 | 135.0 | 0.482 | 0.111 | 0.026 |
| 0.7 | 135.0 | 0.523 | 0.108 | 0.209 |
| 0.9 | 135.0 | 0.605 | 0.102 | 0.102 |
| -0.9 | 165.0 | 0.854 | 0.114 | 0.054 |
| 0.9 | 165.0 | 0.817 | 0.203 | 0.052 |
Measurement comment: