CLAS Physics Database

Measurement E102M6

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: 1.59 — 1.61 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 0.688 0.05
-0.7 15.0 0.657 0.047
-0.5 15.0 0.646 0.048
-0.3 15.0 0.621 0.046
-0.1 15.0 0.582 0.044
0.1 15.0 0.853 0.058
0.3 15.0 0.632 0.048
0.5 15.0 0.285 0.038
0.7 15.0 0.312 0.037
0.9 15.0 0.155 0.036
-0.9 45.0 0.609 0.059
-0.7 45.0 0.55 0.061
-0.5 45.0 0.633 0.078
-0.3 45.0 0.654 0.082
-0.1 45.0 0.672 0.072
0.1 45.0 0.63 0.074
0.3 45.0 0.464 0.052
0.5 45.0 0.441 0.057
0.7 45.0 0.278 0.056
0.9 45.0 0.317 0.057
-0.9 75.0 0.604 0.111
-0.7 75.0 1.112 0.163
-0.5 75.0 0.921 0.081
-0.3 75.0 0.873 0.07
-0.1 75.0 0.671 0.05
0.1 75.0 0.787 0.059
0.3 75.0 0.543 0.043
0.5 75.0 0.491 0.044
0.7 75.0 0.413 0.041
0.9 75.0 0.453 0.063
-0.9 105.0 0.403 0.095
-0.7 105.0 0.731 0.076
-0.5 105.0 0.701 0.051
-0.3 105.0 0.852 0.059
-0.1 105.0 0.698 0.059
0.1 105.0 0.544 0.053
0.3 105.0 0.412 0.045
0.5 105.0 0.508 0.062
0.7 105.0 0.411 0.061
0.9 105.0 0.418 0.056
-0.9 135.0 0.574 0.221
-0.7 135.0 0.609 0.1
-0.5 135.0 0.508 0.087
-0.3 135.0 0.191 0.076
-0.1 135.0 0.402 0.092
0.1 135.0 0.644 0.099
0.3 135.0 0.552 0.074
0.5 135.0 0.471 0.067
0.7 135.0 0.293 0.058
0.9 135.0 0.057 0.096
-0.9 165.0 0.47 0.194
-0.1 165.0 0.663 0.203
0.1 165.0 0.929 0.177
0.3 165.0 0.598 0.116
0.5 165.0 0.323 0.072
0.7 165.0 0.278 0.096