Measurement E151M106

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:	0.0258
Q²:	0.0084 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.8064

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	42.0	-0.1439	0.7847
0.35	54.0	0.1433	0.8604
0.45	42.0	-1.5596	0.5805
0.45	54.0	0.9364	0.7193
0.55	30.0	0.3085	0.7917
0.55	42.0	-0.1885	0.6122
0.55	54.0	0.6232	0.7283
0.55	222.0	1.479	0.828
0.55	234.0	0.6827	0.6538
0.55	246.0	-0.0708	0.6792
0.55	258.0	0.1417	0.7666
0.65	30.0	0.9203	0.8912
0.65	42.0	-0.1998	0.639
0.65	54.0	0.7033	0.6822
0.65	150.0	-1.0875	0.6827
0.65	162.0	1.1237	0.856
0.65	174.0	0.3762	0.8042
0.65	222.0	-0.1448	0.5873
0.65	234.0	0.2065	0.5154
0.65	246.0	-0.437	0.5691
0.65	258.0	0.7987	0.7545
0.75	138.0	-0.5385	0.7438
0.75	150.0	0.7446	0.8533
0.75	210.0	-0.156	0.7094
0.75	222.0	0.8248	0.5884
0.75	234.0	-0.4872	0.4735
0.75	246.0	-0.3374	0.4283
0.75	258.0	-0.4431	0.639
0.85	222.0	0.3322	0.5443
0.85	234.0	0.294	0.5622
0.85	246.0	-0.0377	0.5142
0.85	258.0	0.1837	0.7108

CLAS Physics Database