Measurement E102M189

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:	0.6 — 1.0 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 //

Measurement data
cos(θ)	Asym_LT	uncertainty	syst. uncert.
-0.9	0.015	None	0.002
-0.7	0.051	None	0.005
-0.5	0.057	None	0.001
-0.3	0.159	None	0.029
-0.1	-0.157	None	0.051
0.1	0.124	None	0.056
0.3	0.178	None	0.049
0.5	0.371	None	0.043
0.7	0.314	None	0.05
0.9	0.098	None	0.014

CLAS Physics Database