Measurement E102M184

Experiment:	E-89-039
Year:	2007	Measurement comment: Electron beam energy is 1.515 Gev. Fitted cross section asymmetry between phi=0 and 180 degrees. From fit to angular xs with constraint that xs be positive over all phi.
Spokespersons:	S. Dytman, K. Giovanetti
Reaction:	ep → η p
Polarization:	none
Quantity:	Asym_LT
Q²:	0.2 — 0.4 GeV²
W:	1.55 — 1.57 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	-0.03	None	0.022
-0.7	-0.373	None	0.123
-0.5	-0.183	None	0.05
-0.3	-0.136	None	0.018
-0.1	0.276	None	0.023
0.1	0.148	None	0.049
0.3	0.226	None	0.012
0.5	0.442	None	0.002
0.7	0.064	None	0.142
0.9	-0.027	None	0.006

CLAS Physics Database