Measurement E151M2639

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:	0.061
Q²:	0.0593 GeV²
W:	1475.0 GeV
E_beam:	1.0539 GeV
ε:	0.5361

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.35	54.0	0.1471	0.2269
0.55	246.0	-0.3985	0.2177
0.65	234.0	-0.2874	0.246
0.65	246.0	-0.0273	0.1773
0.65	258.0	-0.4455	0.1725
0.75	246.0	-0.1726	0.2414
0.75	258.0	-0.4108	0.1912
0.85	246.0	-0.5647	0.2277
0.85	258.0	-0.0938	0.2077
0.85	270.0	-0.4277	0.2466

CLAS Physics Database