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