Measurement E151M1532

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_LL
ε_L:	0.0333
Q²:	0.0121 GeV²
W:	1385.0 GeV
E_beam:	1.3383 GeV
ε:	0.8648

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.55	234.0	-0.9157	0.5929	0.0623
0.65	138.0	1.0079	1.123	0.0658
0.65	150.0	-1.7818	1.2457	0.1079
0.65	222.0	0.0581	0.6198	0.0524
0.65	234.0	0.8061	0.5124	0.0584
0.65	246.0	-0.3285	0.6638	0.039
0.75	150.0	-1.6062	0.7795	0.1008
0.75	222.0	0.2347	0.7685	0.0331
0.75	234.0	0.4135	0.5257	0.0432
0.85	210.0	-0.1485	1.0083	0.0312
0.85	222.0	0.152	1.0995	0.0313
0.85	234.0	-0.2751	0.9136	0.034
0.85	246.0	0.1363	0.8584	0.031
0.75	246.0	-0.8147	0.7176	0.0573
0.85	222.0	0.0313	0.7985	0.0301
0.85	234.0	-0.8582	0.8727	0.0595
0.85	246.0	0.3531	0.7595	0.0367

CLAS Physics Database