Measurement E102M191

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:	1.57 — 1.59 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	0.01	None	0.005
-0.7	0.104	None	0.007
-0.5	0.174	None	0.026
-0.3	0.283	None	0.108
-0.1	-0.062	None	0.071
0.1	0.186	None	0.042
0.3	0.004	None	0.017
0.5	0.045	None	0.028
0.7	0.424	None	0.048
0.9	0.36	None	0.026

CLAS Physics Database