Measurement E102M181

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:	1.49 — 1.51 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	-0.12	None	0.019
-0.7	0.046	None	0.001
-0.5	0.147	None	0.008
-0.3	-0.143	None	0.047
-0.1	0.009	None	0.035
0.1	0.165	None	0.035
0.3	0.299	None	0.043
0.5	0.049	None	0.081
0.7	0.002	None	0.01
0.9	0.104	None	0.027

CLAS Physics Database