Measurement E102M75

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:	1.75 — 1.77 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	0.037	0.025	0.002
-0.4	15.0	0.018	0.023	0.001
0.0	15.0	0.075	0.038	0.005
0.4	15.0	-0.003	0.018	0.001
0.8	15.0	0.037	0.025	0.002
-0.8	45.0	0.03	0.017	0.004
-0.4	45.0	0.024	0.023	0.004
0.0	45.0	0.003	0.029	0.003
0.4	45.0	0.022	0.027	0.004
0.8	45.0	-0.005	0.021	0.014
-0.8	75.0	0.026	0.029	0.002
-0.4	75.0	0.018	0.032	0.004
0.0	75.0	0.007	0.033	0.002
0.4	75.0	0.054	0.029	0.003
0.8	75.0	0.052	0.04	0.003
-0.8	105.0	0.048	0.049	0.009
-0.4	105.0	-0.044	0.027	0.002
0.0	105.0	0.013	0.028	0.002
0.4	105.0	0.117	0.041	0.015
0.8	105.0	0.012	0.044	0.003
-0.8	135.0	0.107	0.063	0.008
-0.4	135.0	0.196	0.23	0.0
0.0	135.0	0.012	0.028	0.002
0.4	135.0	0.053	0.031	0.003
0.8	135.0	-0.041	0.031	0.001
-0.8	165.0	0.01	0.022	0.004
0.8	165.0	-0.016	0.081	0.01

CLAS Physics Database