CLAS Physics Database

Measurement E102M84

Experiment: E-89-039
Year: 2007

Measurement comment:

Electron beam energy is 1.515 GeV.
Spokespersons: S. Dytman, K. Giovanetti
Reaction: ep → η p
Polarization: none
Quantity: σ
Q2: 0.13 — 0.2 GeV2
W: 1.49 — 1.66 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 //

Measurement data
W, [GeV] σ, [μb] uncertainty syst. uncert.
1.495 7.28 0.52 0.89
1.505 10.16 0.7 0.43
1.515 13.85 0.78 0.58
1.525 14.82 0.76 0.47
1.535 15.4 0.78 0.33
1.545 14.38 0.73 0.15
1.555 12.73 0.69 0.56
1.565 10.64 0.63 0.39
1.575 9.57 0.58 0.57
1.585 8.69 0.55 0.6
1.595 7.74 0.53 0.39
1.605 6.1 0.5 0.55
1.615 4.01 0.43 0.42
1.625 4.52 0.45 0.49
1.635 3.37 0.46 0.32
1.645 1.84 0.41 0.2
1.655 1.89 0.42 0.26