CLAS Physics Database

Measurement E102M32

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: 1.0 — 1.4 GeV2
W: 1.67 — 1.69 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 0.105 0.036 0.009
-0.7 15.0 0.12 0.036 0.009
-0.5 15.0 0.055 0.035 0.006
-0.3 15.0 0.094 0.038 0.011
-0.1 15.0 0.165 0.047 0.017
0.1 15.0 0.014 0.044 0.003
0.3 15.0 -0.001 0.04 0.011
0.5 15.0 -0.041 0.025 0.007
0.7 15.0 0.165 0.044 0.016
0.9 15.0 0.067 0.049 0.004
-0.9 45.0 0.104 0.036 0.007
-0.7 45.0 0.036 0.025 0.008
-0.5 45.0 0.106 0.048 0.008
-0.3 45.0 0.05 0.042 0.023
-0.1 45.0 0.028 0.054 0.016
0.1 45.0 0.077 0.055 0.028
0.3 45.0 0.131 0.051 0.026
0.5 45.0 -0.012 0.043 0.021
0.7 45.0 0.096 0.07 0.024
0.9 45.0 0.107 0.063 0.008
-0.9 75.0 0.011 0.051 0.002
-0.7 75.0 0.07 0.051 0.007
-0.5 75.0 0.092 0.045 0.006
-0.3 75.0 0.136 0.069 0.022
-0.1 75.0 0.052 0.036 0.003
0.1 75.0 0.065 0.039 0.021
0.3 75.0 0.058 0.038 0.003
0.5 75.0 0.115 0.045 0.005
0.7 75.0 0.055 0.042 0.004
0.9 75.0 -0.042 0.063 0.024
-0.9 105.0 0.014 0.052 0.019
-0.7 105.0 -0.038 0.047 0.029
-0.5 105.0 0.092 0.055 0.007
-0.3 105.0 0.03 0.047 0.004
-0.1 105.0 0.048 0.032 0.006
0.1 105.0 0.011 0.033 0.001
0.3 105.0 0.041 0.032 0.002
0.5 105.0 0.074 0.04 0.006
0.7 105.0 0.169 0.052 0.013
0.9 105.0 0.113 0.068 0.021
-0.9 135.0 -0.021 0.05 0.012
-0.7 135.0 0.173 0.16 0.048
-0.5 135.0 0.107 0.089 0.004
-0.3 135.0 0.029 0.047 0.005
-0.1 135.0 0.026 0.043 0.002
0.1 135.0 0.073 0.07 0.015
0.3 135.0 0.147 0.076 0.048
0.5 135.0 0.106 0.06 0.023
0.7 135.0 -0.026 0.043 0.007
0.9 135.0 0.067 0.071 0.019
-0.9 165.0 -0.026 0.051 0.008
0.9 165.0 0.191 0.141 0.041