Measurement E151M78

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:	0.3829
Q²:	0.1205 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.7589

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.45	282.0	-0.1416	0.7025	0.0341
0.55	258.0	-0.3365	0.5738	0.0486
0.55	270.0	0.9481	0.6197	0.112
0.55	282.0	-0.4263	0.593	0.057
0.65	258.0	0.2226	0.6271	0.0393
0.65	270.0	-0.429	0.5657	0.0573
0.65	282.0	-0.2465	0.6062	0.0411
0.75	246.0	-0.0271	0.6964	0.0302
0.75	258.0	-0.0722	0.5504	0.0311
0.75	270.0	-0.0731	0.5537	0.0311
0.75	282.0	0.5473	0.6123	0.0691
0.85	114.0	0.8941	0.7125	0.1061
0.85	126.0	0.3932	0.677	0.0539
0.85	138.0	1.9679	0.736	0.2259
0.85	150.0	0.1729	0.7199	0.0359
0.85	162.0	-0.544	0.6209	0.0688
0.85	174.0	0.2683	0.7067	0.0428
0.85	186.0	-1.3293	0.5353	0.1542
0.85	270.0	0.1463	0.5115	0.0343
0.85	282.0	0.1476	0.4773	0.0344
0.85	294.0	-0.5305	0.5382	0.0674
0.95	126.0	0.4673	0.6062	0.061
0.95	150.0	0.0977	0.59	0.032
0.95	186.0	0.2586	0.6023	0.042
0.95	198.0	-0.5107	0.4938	0.0654

CLAS Physics Database