CLAS Physics Database

Measurement E102M20

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: 1.75 — 1.77 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 0.035 0.028 0.004
-0.7 15.0 0.029 0.027 0.006
-0.5 15.0 0.035 0.023 0.004
-0.3 15.0 -0.007 0.022 0.005
-0.1 15.0 0.089 0.031 0.007
0.1 15.0 0.09 0.032 0.007
0.3 15.0 0.057 0.028 0.006
0.5 15.0 0.077 0.036 0.004
0.7 15.0 0.14 0.046 0.01
0.9 15.0 0.062 0.036 0.005
-0.9 45.0 0.029 0.025 0.057
-0.7 45.0 0.026 0.03 0.003
-0.5 45.0 0.098 0.041 0.009
-0.3 45.0 0.159 0.062 0.012
-0.1 45.0 0.024 0.051 0.002
0.1 45.0 0.08 0.047 0.015
0.3 45.0 0.062 0.033 0.008
0.5 45.0 0.24 0.068 0.014
0.7 45.0 0.1 0.047 0.006
0.9 45.0 0.039 0.051 0.027
-0.9 75.0 0.022 0.052 0.021
-0.7 75.0 0.072 0.067 0.008
-0.5 75.0 0.016 0.034 0.004
-0.3 75.0 0.06 0.034 0.006
-0.1 75.0 0.132 0.033 0.005
0.1 75.0 0.14 0.04 0.009
0.3 75.0 0.115 0.036 0.006
0.5 75.0 0.101 0.03 0.01
0.7 75.0 0.123 0.03 0.009
0.9 75.0 0.148 0.038 0.015
-0.9 105.0 0.008 0.038 0.012
-0.7 105.0 0.031 0.035 0.004
-0.5 105.0 0.06 0.031 0.006
-0.3 105.0 0.075 0.031 0.006
-0.1 105.0 0.041 0.03 0.002
0.1 105.0 0.152 0.041 0.01
0.3 105.0 0.145 0.045 0.011
0.5 105.0 0.142 0.044 0.011
0.7 105.0 0.199 0.049 0.015
0.9 105.0 0.134 0.043 0.019
-0.9 135.0 0.02 0.075 0.027
-0.7 135.0 -0.051 0.062 0.012
-0.5 135.0 0.037 0.042 0.008
-0.3 135.0 0.136 0.079 0.016
-0.1 135.0 0.157 0.085 0.028
0.1 135.0 0.138 0.075 0.025
0.3 135.0 0.163 0.06 0.013
0.5 135.0 0.151 0.063 0.01
0.7 135.0 0.158 0.046 0.005
0.9 135.0 0.114 0.071 0.013
-0.9 165.0 0.038 0.055 0.006
0.1 165.0 0.432 0.125 0.031
0.3 165.0 0.148 0.082 0.01
0.5 165.0 0.205 0.104 0.025
0.7 165.0 0.11 0.066 0.01
0.9 165.0 0.027 0.089 0.008