Measurement E151M3120

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_LU
ε_L:	0.0804
Q²:	0.101 GeV²
W:	1625.0 GeV
E_beam:	1.9889 GeV
ε:	0.7831

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.45	270.0	0.1503	0.2688
0.45	282.0	0.1673	0.2688
0.55	126.0	0.3237	0.2582
0.55	210.0	-0.2314	0.2726
0.55	270.0	0.1018	0.2624
0.65	114.0	0.1723	0.2581
0.65	126.0	0.301	0.2608
0.65	138.0	-0.0198	0.2775
0.65	210.0	-0.2336	0.2683
0.75	210.0	0.4588	0.2076
0.75	222.0	0.1867	0.2545
0.75	234.0	0.015	0.2795
0.75	246.0	-0.0221	0.2769
0.75	282.0	-0.0703	0.2501
0.75	294.0	0.0002	0.2323
0.85	102.0	0.642	0.1925
0.85	114.0	0.5099	0.2472
0.85	210.0	-0.1702	0.2538
0.85	222.0	0.1749	0.2301
0.85	234.0	0.4598	0.2006
0.85	246.0	-0.1617	0.2655
0.95	234.0	0.3622	0.2194

CLAS Physics Database