Measurement E151M80

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:	0.4546
Q²:	0.1715 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.7055

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	270.0	1.3027	0.6297
0.55	258.0	0.1364	0.6819
0.55	270.0	0.3666	0.7057
0.55	282.0	0.0579	0.6568
0.65	246.0	-0.254	0.6422
0.65	258.0	0.1083	0.6128
0.65	270.0	-0.4632	0.5551
0.65	282.0	-0.0767	0.595
0.75	126.0	-0.7031	0.7034
0.75	138.0	0.4187	0.7535
0.75	246.0	-1.1322	0.5502
0.75	258.0	-1.1102	0.4595
0.75	270.0	0.5476	0.71
0.75	282.0	-0.2963	0.5865
0.85	114.0	0.0112	0.6836
0.85	126.0	0.4948	0.5632
0.85	138.0	-0.23	0.6764
0.85	150.0	-0.7617	0.5486
0.85	162.0	-0.5002	0.6375
0.85	246.0	-0.2552	0.6087
0.85	258.0	-0.705	0.5133
0.85	270.0	0.2387	0.5109
0.85	282.0	-0.0828	0.5574
0.85	294.0	0.1632	0.5961
0.95	126.0	1.2801	0.6473
0.95	138.0	-0.2585	0.5079
0.95	150.0	-0.5305	0.5261
0.95	174.0	0.3255	0.6085
0.95	186.0	0.3703	0.608
0.95	198.0	-0.4378	0.5364
0.95	258.0	-1.1834	0.3927

CLAS Physics Database