Measurement E151M3003

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:	0.538
Q²:	0.348 GeV²
W:	1385.0 GeV
E_beam:	1.9889 GeV
ε:	0.8431

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	258.0	0.5123	0.229
0.75	90.0	0.0015	0.2338
0.75	102.0	0.2211	0.2445
0.75	246.0	0.0622	0.2842
0.75	258.0	0.3201	0.2612
0.75	282.0	0.2318	0.2592
0.85	102.0	-0.0979	0.2404
0.85	114.0	-0.1178	0.2438
0.85	126.0	-0.098	0.2645
0.85	210.0	-0.4362	0.2546
0.85	234.0	-0.2585	0.2668
0.85	246.0	0.3147	0.2107
0.85	258.0	0.2351	0.234
0.85	270.0	0.2496	0.2605
0.85	282.0	0.3551	0.2432
0.85	294.0	-0.0764	0.2608
0.95	246.0	-0.204	0.2701
0.95	270.0	0.0714	0.2854
0.95	282.0	0.2438	0.2333
0.95	294.0	0.227	0.2411
0.95	306.0	0.1588	0.1941

CLAS Physics Database