Measurement E151M634

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_UL
ε_L:	0.2306
Q²:	0.2445 GeV²
W:	1535.0 GeV
E_beam:	1.9889 GeV
ε:	0.7925

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	282.0	1.1843	0.7962
0.65	114.0	-1.1457	0.5783
0.65	234.0	0.3604	0.7728
0.65	246.0	0.5598	0.8896
0.75	102.0	1.8103	0.7796
0.75	114.0	-1.4496	0.5017
0.75	138.0	-0.6539	0.7143
0.75	222.0	1.7644	0.6445
0.75	234.0	0.7058	0.6691
0.75	246.0	0.4217	0.7533
0.75	258.0	0.9554	0.8235
0.85	78.0	-0.6921	0.6181
0.85	138.0	-0.2428	0.7545
0.85	210.0	-0.7373	0.6538
0.85	222.0	0.663	0.7172
0.85	234.0	1.1983	0.7587
0.85	246.0	0.0475	0.6293
0.85	258.0	-0.0973	0.6726
0.85	270.0	-0.2041	0.7044
0.95	234.0	1.8549	0.6644
0.95	258.0	0.3539	0.6201
0.95	270.0	-0.6463	0.568
0.95	282.0	0.0062	0.5673

CLAS Physics Database