Measurement E102M204

Experiment:	E-89-039
Year:	2007	Measurement comment: Electron beam energy is 2.567 Gev. Fitted cross section asymmetry between phi=0 and 180 degrees. From fit to angular xs with constraint that fitted xs be positive over all phi.
Spokespersons:	S. Dytman, K. Giovanetti
Reaction:	ep → η p
Polarization:	none
Quantity:	Asym_LT
Q²:	1.0 — 1.4 GeV²
W:	1.51 — 1.53 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
cos(θ)	Asym_LT	uncertainty	syst. uncert.
-0.9	0.077	None	0.007
-0.7	0.135	None	0.019
-0.5	0.013	None	0.006
-0.3	0.15	None	0.01
-0.1	0.02	None	0.0
0.1	0.147	None	0.026
0.3	0.284	None	0.009
0.5	-0.088	None	0.011
0.7	0.21	None	0.027
0.9	0.004	None	0.005

CLAS Physics Database