CLAS Physics Database

Measurement E102M14

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: 1.63 — 1.65 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 0.183 0.034 0.009
-0.7 15.0 0.181 0.033 0.016
-0.5 15.0 0.211 0.035 0.011
-0.3 15.0 0.234 0.037 0.02
-0.1 15.0 0.162 0.03 0.01
0.1 15.0 0.126 0.026 0.011
0.3 15.0 0.114 0.028 0.006
0.5 15.0 0.083 0.029 0.004
0.7 15.0 0.044 0.028 0.005
0.9 15.0 0.02 0.028 0.002
-0.9 45.0 0.169 0.038 0.005
-0.7 45.0 0.235 0.039 0.016
-0.5 45.0 0.115 0.039 0.01
-0.3 45.0 0.236 0.046 0.023
-0.1 45.0 0.197 0.047 0.013
0.1 45.0 0.171 0.044 0.017
0.3 45.0 0.179 0.053 0.014
0.5 45.0 0.132 0.053 0.034
0.7 45.0 0.117 0.045 0.012
0.9 45.0 0.026 0.038 0.009
-0.9 75.0 0.301 0.05 0.007
-0.7 75.0 0.16 0.06 0.014
-0.5 75.0 0.242 0.073 0.028
-0.3 75.0 0.195 0.08 0.009
-0.1 75.0 0.213 0.055 0.02
0.1 75.0 0.193 0.055 0.008
0.3 75.0 0.167 0.044 0.021
0.5 75.0 0.143 0.054 0.009
0.7 75.0 0.162 0.055 0.012
0.9 75.0 -0.052 0.047 0.008
-0.9 105.0 0.24 0.057 0.006
-0.5 105.0 0.158 0.062 0.014
-0.3 105.0 0.239 0.049 0.005
-0.1 105.0 0.147 0.037 0.01
0.1 105.0 0.116 0.035 0.007
0.3 105.0 0.104 0.038 0.007
0.5 105.0 0.122 0.038 0.011
0.7 105.0 0.084 0.04 0.008
0.9 105.0 0.115 0.054 0.006
-0.9 135.0 0.171 0.045 0.006
-0.5 135.0 0.212 0.109 0.033
-0.3 135.0 0.079 0.047 0.004
-0.1 135.0 0.135 0.046 0.008
0.1 135.0 0.182 0.046 0.015
0.3 135.0 -0.026 0.047 0.006
0.5 135.0 0.078 0.047 0.018
0.7 135.0 -0.019 0.058 0.004
0.9 135.0 0.061 0.058 0.002
-0.9 165.0 0.172 0.044 0.018
-0.7 165.0 -0.061 0.074 0.012
0.9 165.0 -0.115 0.085 0.018