CLAS Physics Database

Measurement E102M25

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: 1.0 — 1.4 GeV2
W: 1.53 — 1.55 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 0.602 0.06
-0.7 15.0 0.482 0.06
-0.5 15.0 0.7 0.073
-0.3 15.0 0.673 0.076
-0.1 15.0 0.599 0.069
0.1 15.0 0.573 0.063
0.3 15.0 0.549 0.06
0.5 15.0 0.511 0.068
0.7 15.0 0.532 0.073
0.9 15.0 0.464 0.068
-0.9 45.0 0.738 0.075
-0.7 45.0 0.746 0.081
-0.5 45.0 0.621 0.076
-0.3 45.0 0.415 0.074
-0.1 45.0 0.66 0.086
0.1 45.0 0.645 0.078
0.3 45.0 0.644 0.082
0.5 45.0 0.464 0.084
0.7 45.0 0.646 0.092
0.9 45.0 0.51 0.081
-0.9 75.0 0.617 0.066
-0.7 75.0 0.647 0.078
-0.5 75.0 0.665 0.096
-0.3 75.0 0.839 0.106
-0.1 75.0 0.542 0.106
0.1 75.0 0.531 0.113
0.3 75.0 0.566 0.114
0.5 75.0 0.432 0.1
0.7 75.0 0.664 0.113
0.9 75.0 0.423 0.078
-0.9 105.0 0.551 0.073
-0.7 105.0 0.586 0.078
-0.5 105.0 0.735 0.11
-0.3 105.0 0.385 0.117
-0.1 105.0 0.456 0.114
0.1 105.0 0.399 0.112
0.3 105.0 0.525 0.118
0.5 105.0 0.39 0.128
0.7 105.0 0.376 0.113
0.9 105.0 0.55 0.097
-0.9 135.0 0.565 0.061
-0.7 135.0 0.492 0.079
-0.5 135.0 0.567 0.112
-0.3 135.0 0.499 0.118
-0.1 135.0 0.707 0.144
0.1 135.0 0.578 0.183
0.3 135.0 0.555 0.176
0.5 135.0 0.693 0.159
0.7 135.0 0.508 0.128
0.9 135.0 0.475 0.09
-0.9 165.0 0.569 0.067
-0.7 165.0 0.508 0.069
-0.5 165.0 0.56 0.09
-0.3 165.0 0.391 0.094
-0.1 165.0 0.58 0.118
0.1 165.0 0.715 0.161
0.3 165.0 0.482 0.121
0.5 165.0 0.803 0.153
0.7 165.0 0.862 0.149
0.9 165.0 0.47 0.096