CLAS Physics Database

Measurement E102M85

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: 0.2 — 0.3 GeV2
W: 1.49 — 1.63 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 8.15 0.42 0.93
1.505 10.71 0.52 0.16
1.515 12.79 0.59 0.4
1.525 13.39 0.58 0.28
1.535 14.09 0.58 0.12
1.545 13.01 0.55 0.09
1.555 11.4 0.52 0.33
1.565 10.07 0.49 0.24
1.575 9.77 0.47 0.19
1.585 7.53 0.43 0.23
1.595 7.85 0.47 0.22
1.605 5.11 0.4 0.16
1.615 4.19 0.37 0.06
1.625 2.87 0.35 0.1