Measurement E102M183

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:	1.53 — 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	0.019	None	0.021
-0.7	0.794	None	0.313
-0.5	-0.274	None	0.078
-0.3	-0.331	None	0.063
-0.1	-0.335	None	0.003
0.1	-0.089	None	0.001
0.3	-0.065	None	0.017
0.5	-0.117	None	0.008
0.7	-0.314	None	0.005
0.9	0.156	None	0.013

CLAS Physics Database