Measurement E151M111

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:	0.0601
Q²:	0.0205 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.793

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	42.0	0.1164	0.6703
0.25	54.0	-0.9692	0.7211
0.35	30.0	0.0062	0.6171
0.35	42.0	0.5707	0.6044
0.35	54.0	0.1674	0.5976
0.35	66.0	-0.1095	0.8146
0.45	18.0	0.6754	0.7507
0.45	30.0	1.5305	0.5968
0.45	42.0	0.7651	0.5165
0.45	54.0	-0.0963	0.5057
0.45	234.0	0.289	0.8567
0.45	258.0	0.3282	0.7266
0.55	30.0	0.0351	0.6112
0.55	42.0	0.199	0.4709
0.55	54.0	0.7931	0.5816
0.55	222.0	-0.7207	0.5748
0.55	234.0	-0.6637	0.4559
0.55	246.0	0.6634	0.4841
0.55	258.0	-0.0955	0.4983
0.55	270.0	0.5589	0.759
0.65	54.0	0.2567	0.8743
0.65	138.0	-1.3504	0.6477
0.65	150.0	-0.0954	0.6246
0.65	162.0	-0.7939	0.5951
0.65	174.0	0.9892	0.7244
0.65	210.0	1.7617	0.8639
0.65	222.0	1.3161	0.5564
0.65	234.0	-0.191	0.4475
0.65	246.0	-0.0008	0.4014
0.65	258.0	-0.3006	0.4583
0.65	270.0	-0.0016	0.6291
0.75	138.0	-1.0996	0.5857
0.75	150.0	0.616	0.6877
0.75	162.0	-0.3143	0.5772
0.75	174.0	0.8563	0.7668
0.75	186.0	0.1537	0.7576
0.75	210.0	0.7107	0.8032
0.75	222.0	-0.1427	0.6327
0.75	234.0	-0.3126	0.3976
0.75	246.0	-0.1955	0.4198
0.75	258.0	0.1985	0.4715
0.75	270.0	0.4063	0.5892
0.85	138.0	0.3599	0.7909
0.85	150.0	0.556	0.7674
0.85	162.0	0.2401	0.7856
0.85	222.0	-0.5101	0.4695
0.85	234.0	-0.3074	0.4292
0.85	246.0	-0.1445	0.3692
0.85	258.0	0.0758	0.4547
0.85	270.0	-0.1172	0.5226
0.95	234.0	0.1809	0.5764
0.95	246.0	-0.006	0.6199

CLAS Physics Database