Measurement E151M1399

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:	0.0779
Q²:	0.0593 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.5989

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.15	42.0	-0.1898	0.9045	0.0369
0.25	42.0	-0.7552	0.9247	0.0903
0.25	54.0	0.1216	0.9632	0.033
0.35	54.0	-1.3943	0.7884	0.1601
0.45	30.0	-0.7383	0.9339	0.0885
0.45	42.0	0.0311	0.8079	0.0302
0.45	54.0	1.3581	0.7837	0.1561
0.45	234.0	0.2955	0.8182	0.0448
0.45	246.0	-0.3944	0.7026	0.0537
0.45	258.0	0.533	0.7599	0.0672
0.55	162.0	0.9715	0.796	0.1136
0.55	222.0	0.3766	0.6981	0.052
0.55	234.0	-0.0764	0.6196	0.0312
0.55	246.0	1.1506	0.5444	0.1332
0.55	258.0	-0.2912	0.6092	0.0445
0.55	270.0	0.7476	0.8152	0.0895
0.65	150.0	-0.5974	0.852	0.0738
0.65	162.0	0.4732	0.8515	0.0612
0.65	174.0	0.504	0.7892	0.0643
0.65	186.0	0.7994	0.871	0.095
0.65	210.0	0.9319	0.8016	0.1093
0.65	222.0	0.7562	0.8586	0.0904
0.65	234.0	-0.1395	0.6988	0.0339
0.65	246.0	-0.6073	0.5627	0.0748
0.65	258.0	-1.0219	0.5667	0.1191
0.65	270.0	-0.4175	0.78	0.0558
0.75	150.0	-0.7003	0.8367	0.0845
0.75	162.0	-0.8891	0.7428	0.1047
0.75	174.0	-1.2988	0.7289	0.1495
0.75	222.0	0.8925	0.7697	0.105
0.75	234.0	0.0961	0.6348	0.0319
0.75	246.0	0.0789	0.5801	0.0313
0.75	258.0	-0.107	0.5054	0.0323
0.75	270.0	0.759	0.6987	0.0907
0.85	222.0	-0.2092	0.8351	0.0382
0.85	234.0	-0.421	0.5809	0.0562
0.85	246.0	0.319	0.5416	0.0468
0.85	258.0	-0.3317	0.5096	0.048
0.85	270.0	0.0174	0.6493	0.0301
0.95	258.0	1.5451	0.5799	0.1768

CLAS Physics Database