CLAS Physics Database

Measurement E102M11

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: 1.57 — 1.59 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 0.592 0.056
-0.7 15.0 0.483 0.051
-0.5 15.0 0.698 0.059
-0.3 15.0 0.633 0.054
-0.1 15.0 0.544 0.048
0.1 15.0 0.563 0.049
0.3 15.0 0.58 0.053
0.5 15.0 0.496 0.052
0.7 15.0 0.381 0.05
0.9 15.0 0.322 0.049
-0.9 45.0 0.521 0.054
-0.7 45.0 0.73 0.068
-0.5 45.0 0.62 0.067
-0.3 45.0 0.657 0.067
-0.1 45.0 0.572 0.061
0.1 45.0 0.599 0.065
0.3 45.0 0.538 0.064
0.5 45.0 0.486 0.068
0.7 45.0 0.459 0.062
0.9 45.0 0.244 0.047
-0.9 75.0 0.674 0.062
-0.7 75.0 0.531 0.07
-0.5 75.0 0.553 0.083
-0.3 75.0 0.477 0.114
-0.1 75.0 0.236 0.088
0.1 75.0 0.487 0.099
0.3 75.0 0.37 0.085
0.5 75.0 0.247 0.092
0.7 75.0 0.312 0.1
0.9 75.0 0.18 0.06
-0.9 105.0 0.587 0.066
-0.7 105.0 0.524 0.105
-0.3 105.0 0.48 0.151
-0.1 105.0 0.483 0.088
0.1 105.0 0.531 0.081
0.3 105.0 0.449 0.073
0.5 105.0 0.532 0.082
0.7 105.0 0.296 0.069
0.9 105.0 0.082 0.078
-0.9 135.0 0.572 0.058
-0.7 135.0 0.469 0.103
-0.1 135.0 0.506 0.132
0.1 135.0 0.438 0.082
0.3 135.0 0.494 0.088
0.5 135.0 0.38 0.079
0.7 135.0 0.241 0.075
0.9 135.0 0.027 0.079
-0.9 165.0 0.552 0.055
-0.7 165.0 0.466 0.074
-0.5 165.0 0.491 0.095
-0.3 165.0 0.381 0.157
0.9 165.0 0.208 0.07