Measurement E151M2945

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:	0.1708
Q²:	0.0348 GeV²
W:	1295.0 GeV
E_beam:	1.9889 GeV
ε:	0.9637

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.35	306.0	-0.0897	0.2855
0.45	66.0	0.191	0.2643
0.45	78.0	-0.1135	0.2506
0.55	78.0	0.2305	0.2135
0.55	90.0	-0.0955	0.2242
0.65	78.0	-0.2117	0.2558
0.65	90.0	-0.2866	0.2235
0.65	246.0	-0.0477	0.2265
0.65	258.0	-0.2947	0.1795
0.65	270.0	0.014	0.2391
0.75	114.0	-0.0875	0.2575
0.75	126.0	0.242	0.2472
0.75	138.0	-0.1666	0.2462
0.75	150.0	0.0811	0.2614
0.75	234.0	0.3456	0.2064
0.75	246.0	0.1302	0.1911
0.75	258.0	-0.1213	0.1655
0.75	270.0	-0.023	0.2125
0.85	126.0	0.1198	0.2495
0.85	138.0	-0.1037	0.2891
0.85	150.0	0.401	0.2336
0.85	222.0	-0.0714	0.2577
0.85	234.0	-0.2579	0.2152
0.85	246.0	0.158	0.203
0.85	258.0	-0.0235	0.1971

CLAS Physics Database