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 syst. uncert.
-0.9 15.0 0.592 0.056 0.019
-0.7 15.0 0.483 0.051 0.014
-0.5 15.0 0.698 0.059 0.037
-0.3 15.0 0.633 0.054 0.025
-0.1 15.0 0.544 0.048 0.039
0.1 15.0 0.563 0.049 0.02
0.3 15.0 0.58 0.053 0.027
0.5 15.0 0.496 0.052 0.037
0.7 15.0 0.381 0.05 0.026
0.9 15.0 0.322 0.049 0.017
-0.9 45.0 0.521 0.054 0.01
-0.7 45.0 0.73 0.068 0.028
-0.5 45.0 0.62 0.067 0.014
-0.3 45.0 0.657 0.067 0.026
-0.1 45.0 0.572 0.061 0.017
0.1 45.0 0.599 0.065 0.025
0.3 45.0 0.538 0.064 0.049
0.5 45.0 0.486 0.068 0.042
0.7 45.0 0.459 0.062 0.036
0.9 45.0 0.244 0.047 0.019
-0.9 75.0 0.674 0.062 0.025
-0.7 75.0 0.531 0.07 0.027
-0.5 75.0 0.553 0.083 0.046
-0.3 75.0 0.477 0.114 0.044
-0.1 75.0 0.236 0.088 0.011
0.1 75.0 0.487 0.099 0.015
0.3 75.0 0.37 0.085 0.046
0.5 75.0 0.247 0.092 0.022
0.7 75.0 0.312 0.1 0.042
0.9 75.0 0.18 0.06 0.018
-0.9 105.0 0.587 0.066 0.022
-0.7 105.0 0.524 0.105 0.043
-0.3 105.0 0.48 0.151 0.082
-0.1 105.0 0.483 0.088 0.044
0.1 105.0 0.531 0.081 0.027
0.3 105.0 0.449 0.073 0.007
0.5 105.0 0.532 0.082 0.017
0.7 105.0 0.296 0.069 0.028
0.9 105.0 0.082 0.078 0.016
-0.9 135.0 0.572 0.058 0.026
-0.7 135.0 0.469 0.103 0.043
-0.1 135.0 0.506 0.132 0.097
0.1 135.0 0.438 0.082 0.042
0.3 135.0 0.494 0.088 0.035
0.5 135.0 0.38 0.079 0.014
0.7 135.0 0.241 0.075 0.012
0.9 135.0 0.027 0.079 0.005
-0.9 165.0 0.552 0.055 0.015
-0.7 165.0 0.466 0.074 0.012
-0.5 165.0 0.491 0.095 0.047
-0.3 165.0 0.381 0.157 0.102
0.9 165.0 0.208 0.07 0.026