Measurement E102M182

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:	1.51 — 1.53 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	-0.085	None	0.014
-0.7	0.305	None	0.015
-0.5	-0.33	None	0.027
-0.3	-0.324	None	0.148
-0.1	-0.24	None	0.133
0.1	-0.141	None	0.076
0.3	-0.401	None	0.025
0.5	-0.306	None	0.037
0.7	0.055	None	0.011
0.9	0.082	None	0.021

CLAS Physics Database