Measurement E151M1638

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:	0.0878
Q²:	0.101 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6138

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	138.0	-0.0428	0.9206
0.55	222.0	-1.1532	0.9423
0.55	234.0	-0.3262	0.9022
0.55	246.0	-0.1829	0.7758
0.65	138.0	-0.6113	0.94
0.65	162.0	-1.3088	0.9657
0.65	222.0	1.6526	0.8367
0.65	234.0	0.4022	0.6247
0.65	246.0	0.3578	0.702
0.75	126.0	0.2865	0.8735
0.75	138.0	-1.0334	0.7695
0.75	150.0	0.418	0.7739
0.75	234.0	-0.4901	0.6489
0.75	246.0	0.2127	0.5562
0.75	258.0	-0.1588	0.5704
0.85	210.0	0.2128	1.2081
0.85	222.0	-0.6688	0.6582
0.85	234.0	0.3553	0.725
0.85	246.0	0.3049	0.5068
0.85	258.0	0.0306	0.6519
0.95	114.0	0.7139	1.0793

CLAS Physics Database