CLAS Physics Database

Measurement E102M10

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: 1.55 — 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 //

Slice: cos(θ) = dimensionless

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/sr] uncertainty
-0.9 15.0 0.782 0.066
-0.7 15.0 0.609 0.055
-0.5 15.0 0.701 0.062
-0.3 15.0 0.722 0.058
-0.1 15.0 0.764 0.056
0.1 15.0 0.787 0.06
0.3 15.0 0.761 0.06
0.5 15.0 0.707 0.059
0.7 15.0 0.687 0.059
0.9 15.0 0.398 0.051
-0.9 45.0 0.723 0.063
-0.7 45.0 0.828 0.069
-0.5 45.0 0.825 0.073
-0.3 45.0 0.882 0.08
-0.1 45.0 0.656 0.066
0.1 45.0 0.783 0.07
0.3 45.0 0.729 0.071
0.5 45.0 0.668 0.071
0.7 45.0 0.726 0.072
0.9 45.0 0.43 0.054
-0.9 75.0 0.636 0.061
-0.7 75.0 0.7 0.085
-0.5 75.0 0.599 0.093
-0.3 75.0 0.744 0.103
-0.1 75.0 0.546 0.117
0.1 75.0 0.456 0.109
0.3 75.0 0.46 0.113
0.5 75.0 0.427 0.101
0.7 75.0 0.66 0.113
0.9 75.0 0.496 0.082
-0.9 105.0 0.848 0.076
-0.7 105.0 0.756 0.1
-0.5 105.0 0.527 0.141
-0.1 105.0 0.367 0.158
0.1 105.0 0.582 0.121
0.3 105.0 0.583 0.113
0.5 105.0 0.675 0.115
0.7 105.0 0.073 0.088
0.9 105.0 0.281 0.073
-0.9 135.0 0.718 0.066
-0.7 135.0 0.468 0.084
-0.5 135.0 0.42 0.149
0.1 135.0 0.345 0.131
0.3 135.0 0.698 0.142
0.5 135.0 0.279 0.121
0.7 135.0 0.293 0.142
0.9 135.0 0.325 0.092
-0.9 165.0 0.607 0.056
-0.7 165.0 0.718 0.074
-0.5 165.0 0.723 0.093
-0.3 165.0 0.922 0.129
-0.1 165.0 0.514 0.137
0.1 165.0 0.502 0.152
0.5 165.0 0.645 0.195
0.7 165.0 0.504 0.132
0.9 165.0 0.376 0.066