Measurement E102M81

Experiment:	E-89-039
Year:	2007	Measurement comment: Electron beam energy is 4.056 GeV. Measurements are average of Phi* and 360-Phi*.
Spokespersons:	S. Dytman, K. Giovanetti
Reaction:	ep → η p
Polarization:	none
Quantity:	dσ/dΩ
Q²:	2.1 — 2.9 GeV²
W:	1.87 — 1.89 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.
-0.8	15.0	0.0	0.014	0.002
-0.4	15.0	-0.003	0.02	0.001
0.0	15.0	0.011	0.016	0.002
0.4	15.0	0.049	0.042	0.005
0.8	15.0	0.027	0.023	0.001
-0.8	45.0	0.015	0.015	0.003
-0.4	45.0	-0.011	0.014	0.001
0.0	45.0	0.034	0.025	0.004
0.4	45.0	0.047	0.03	0.005
0.8	45.0	0.013	0.017	0.005
-0.8	75.0	0.023	0.022	0.001
-0.4	75.0	-0.009	0.069	0.006
0.0	75.0	0.057	0.033	0.013
0.4	75.0	0.029	0.022	0.003
0.8	75.0	0.066	0.033	0.009
-0.8	105.0	0.009	0.031	0.014
-0.4	105.0	0.005	0.018	0.001
0.0	105.0	0.025	0.019	0.002
0.4	105.0	0.064	0.034	0.007
0.8	105.0	0.034	0.025	0.007
-0.4	135.0	-0.013	0.017	0.002
0.0	135.0	0.032	0.044	0.022
0.4	135.0	0.013	0.05	0.003
0.8	135.0	0.041	0.039	0.004

CLAS Physics Database