Measurement E151M2638

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:	0.053
Q²:	0.0496 GeV²
W:	1475.0 GeV
E_beam:	1.0539 GeV
ε:	0.5492

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.25	42.0	-0.1565	0.2231	0.0302
0.25	54.0	-0.0932	0.2018	0.0301
0.35	54.0	-0.0559	0.1924	0.03
0.45	42.0	-0.1586	0.223	0.0302
0.45	54.0	0.4228	0.2075	0.0312
0.45	234.0	-0.1431	0.2474	0.0301
0.45	258.0	-0.0721	0.2669	0.03
0.55	174.0	-0.1603	0.2297	0.0302
0.55	222.0	-0.214	0.229	0.0303
0.55	234.0	-0.0989	0.2131	0.0301
0.55	246.0	-0.2223	0.1859	0.0303
0.55	258.0	-0.0432	0.2373	0.03
0.55	270.0	0.0817	0.2756	0.03
0.65	150.0	0.0969	0.256	0.0301
0.65	234.0	0.2576	0.1713	0.0304
0.65	246.0	-0.069	0.1954	0.03
0.65	258.0	-0.3349	0.1766	0.0307
0.75	150.0	-0.0614	0.2637	0.03
0.75	234.0	0.008	0.194	0.03
0.75	246.0	0.0675	0.176	0.03
0.75	258.0	0.0133	0.17	0.03
0.75	270.0	-0.261	0.236	0.0305
0.85	234.0	0.1046	0.1842	0.0301
0.85	246.0	0.1563	0.161	0.0302
0.85	258.0	-0.1614	0.2032	0.0302
0.85	270.0	-0.4395	0.2218	0.0313

CLAS Physics Database