CLAS Physics Database

Measurement E102M1

Experiment: E-89-039
Year: 2007

Measurement comment:

Electron beam energy is 1.515 GeV. Measurements are average of Phi* and 360-Phi*.
Spokespersons: S. Dytman, K. Giovanetti
Reaction: ep → η p
Polarization: none
Quantity: dσ/dΩ
Q2: 0.2 — 0.4 GeV2
W: 1.49 — 1.51 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 0.88 0.049
-0.7 15.0 0.747 0.047
-0.5 15.0 0.86 0.05
-0.3 15.0 0.834 0.052
-0.1 15.0 0.797 0.049
0.1 15.0 0.84 0.051
0.3 15.0 0.788 0.049
0.5 15.0 0.79 0.046
0.7 15.0 0.783 0.046
0.9 15.0 0.774 0.044
-0.9 45.0 0.839 0.05
-0.7 45.0 0.804 0.053
-0.5 45.0 0.947 0.068
-0.3 45.0 0.824 0.062
-0.1 45.0 0.713 0.058
0.1 45.0 0.766 0.061
0.3 45.0 0.932 0.067
0.5 45.0 0.713 0.05
0.7 45.0 0.831 0.062
0.9 45.0 0.958 0.061
-0.9 75.0 0.837 0.052
-0.7 75.0 0.966 0.076
-0.5 75.0 0.628 0.062
-0.3 75.0 0.795 0.082
-0.1 75.0 0.862 0.11
0.1 75.0 1.143 0.141
0.3 75.0 0.728 0.098
0.5 75.0 0.851 0.101
0.7 75.0 0.598 0.066
0.9 75.0 0.616 0.049
-0.9 105.0 0.97 0.063
-0.7 105.0 0.787 0.082
-0.5 105.0 0.845 0.112
-0.3 105.0 0.959 0.154
-0.1 105.0 0.48 0.105
0.1 105.0 0.96 0.157
0.3 105.0 0.645 0.111
0.5 105.0 0.578 0.103
0.7 105.0 0.384 0.076
0.9 105.0 0.565 0.061
-0.9 135.0 1.294 0.084
-0.7 135.0 0.805 0.082
-0.5 135.0 0.492 0.075
-0.3 135.0 0.758 0.156
-0.1 135.0 0.573 0.134
0.1 135.0 0.608 0.141
0.3 135.0 0.475 0.091
0.5 135.0 0.55 0.103
0.7 135.0 0.938 0.114
0.9 135.0 0.77 0.082
-0.9 165.0 0.971 0.06
-0.7 165.0 0.684 0.057
-0.5 165.0 0.777 0.081
-0.3 165.0 1.226 0.133
-0.1 165.0 0.967 0.141
0.1 165.0 0.599 0.123
0.3 165.0 0.543 0.101
0.5 165.0 0.94 0.15
0.7 165.0 0.805 0.103
0.9 165.0 0.661 0.055