Measurement E102M207

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:	1.57 — 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	0.094	None	0.015
-0.7	0.096	None	0.032
-0.5	-0.08	None	0.087
-0.3	0.313	None	0.038
-0.1	0.436	None	0.116
0.1	0.033	None	0.133
0.3	0.087	None	0.043
0.5	0.316	None	0.073
0.7	0.262	None	0.19
0.9	0.103	None	0.033

CLAS Physics Database