Measurement E151M1369

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:	0.0168
Q²:	0.0084 GeV²
W:	1415.0 GeV
E_beam:	1.0539 GeV
ε:	0.7185

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	30.0	-0.9867	0.8985
0.35	42.0	0.6559	0.8672
0.35	54.0	-0.3052	0.9419
0.45	30.0	-0.9844	0.9502
0.45	42.0	-0.5901	0.6741
0.45	54.0	0.1393	0.7747
0.45	222.0	0.4611	0.8659
0.45	234.0	-1.4993	0.7731
0.55	18.0	-0.1019	0.8503
0.55	30.0	0.3623	0.8039
0.55	42.0	0.5522	0.6127
0.55	54.0	-0.5126	0.6501
0.55	150.0	0.2622	0.9879
0.55	162.0	-0.9681	0.8333
0.55	174.0	-1.5244	0.9752
0.55	222.0	0.2379	0.8193
0.55	234.0	0.753	0.7251
0.55	246.0	-1.1434	0.7708
0.65	42.0	-0.6555	0.8098
0.65	54.0	-0.5089	0.8739
0.65	150.0	-1.1087	0.793
0.65	162.0	-0.7132	0.7832
0.65	210.0	0.394	0.8543
0.65	222.0	-1.1219	0.6385
0.65	234.0	-0.1065	0.6144
0.65	246.0	1.3085	0.5943
0.75	222.0	0.6048	0.6773
0.75	234.0	0.8131	0.7473
0.75	246.0	0.507	0.7467
0.75	258.0	-0.1299	0.8911
0.85	210.0	-0.0936	0.8386
0.85	222.0	-0.7398	0.7247
0.85	234.0	0.2546	0.6278
0.85	246.0	-0.5973	0.7286

CLAS Physics Database