Measurement E151M2143

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:	0.0417
Q²:	0.0593 GeV²
W:	1685.0 GeV
E_beam:	2.2596 GeV
ε:	0.8141

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	126.0	1.853	2.1647
0.55	222.0	2.6788	1.7889
0.65	126.0	-3.1633	2.0661
0.65	222.0	-2.5839	1.9319
0.75	198.0	-1.4904	2.0834
0.75	210.0	-2.4446	1.8207
0.75	222.0	-1.6343	2.0348
0.75	270.0	-0.9838	1.7648
0.75	282.0	-2.3565	1.5956
0.85	126.0	0.2064	2.4259
0.85	210.0	4.1785	2.1701
0.85	270.0	-3.3951	1.8123
0.45	270.0	-0.2115	0.694
0.65	126.0	0.4518	0.7738
0.65	210.0	-1.4273	0.6603
0.65	282.0	-0.8193	0.5811
0.75	198.0	-0.007	0.8503
0.75	210.0	-0.3354	0.7289
0.75	222.0	-0.7264	0.7194
0.75	270.0	1.218	0.6135
0.75	282.0	-0.6518	0.5985
0.85	114.0	-0.5517	0.6708
0.85	234.0	-0.4673	0.7536

CLAS Physics Database