Measurement E151M942

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:	1.257
Q²:	0.2445 GeV²
W:	1205.0 GeV
E_beam:	2.999 GeV
ε:	0.9724

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	282.0	0.1811	0.6115
0.45	294.0	-0.0261	0.5852
0.55	282.0	0.2555	0.6057
0.55	294.0	0.2542	0.6046
0.65	270.0	0.5585	0.6006
0.65	282.0	0.6517	0.629
0.65	294.0	0.127	0.4741
0.75	66.0	-0.2032	0.6211
0.75	78.0	0.2408	0.5655
0.75	90.0	-0.8501	0.428
0.75	270.0	-0.2357	0.5031
0.75	282.0	0.5326	0.5322
0.75	294.0	0.1832	0.5376
0.85	54.0	-0.833	0.4788
0.85	66.0	-0.607	0.43
0.85	78.0	0.6256	0.518
0.85	90.0	-0.6358	0.3901
0.85	102.0	-0.3119	0.4545
0.85	258.0	-0.2022	0.5924
0.85	270.0	1.4879	0.6712
0.85	282.0	0.1378	0.5446
0.85	294.0	-0.0732	0.5619
0.95	30.0	0.8707	0.6534
0.95	54.0	-0.9521	0.4056
0.95	66.0	0.6913	0.583
0.95	78.0	0.2281	0.525
0.95	90.0	-0.2954	0.4966
0.95	102.0	0.5918	0.6143
0.95	114.0	-0.6549	0.4675

CLAS Physics Database