Measurement E102M202

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:	1.79 — 1.81 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	0.124	None	0.107
-0.7	0.991	None	0.559
-0.5	1.0	None	0.0
-0.3	1.0	None	0.0
-0.1	-0.961	None	0.233
0.1	0.186	None	0.026
0.3	0.996	None	0.691
0.5	-0.149	None	0.014
0.7	-0.305	None	0.019
0.9	-0.919	None	0.093

CLAS Physics Database