Measurement E151M2566

Experiment:	EG4
Year:	2016	Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson:	Xiaochao Zheng
Reaction:	ep → π⁺n
Polarization:	beam (longitudinal), target (longitudinal)
Quantity:	A_LU
ε_L:	0.2731
Q²:	0.1435 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.6529

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	258.0	0.0403	0.2128
0.55	270.0	0.2204	0.2462
0.65	246.0	0.0384	0.2435
0.65	258.0	-0.0824	0.2467
0.65	270.0	-0.1171	0.245
0.75	138.0	-0.2054	0.2558
0.75	258.0	-0.0371	0.2256
0.75	270.0	-0.1225	0.2418
0.75	282.0	-0.1154	0.2269
0.85	126.0	0.2882	0.241
0.85	150.0	0.1808	0.2355
0.85	246.0	0.2199	0.2462
0.85	258.0	-0.4504	0.1957
0.85	270.0	-0.0768	0.2089
0.85	282.0	0.0318	0.201

CLAS Physics Database