Measurement E151M2627

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:	0.0089
Q²:	0.0071 GeV²
W:	1475.0 GeV
E_beam:	1.0539 GeV
ε:	0.6071

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.35	42.0	0.3707	0.1982
0.35	54.0	-0.1648	0.1898
0.35	66.0	-0.0138	0.2448
0.45	42.0	-0.071	0.1901
0.45	54.0	0.0104	0.1919
0.45	66.0	0.0463	0.2158
0.45	234.0	0.0692	0.2138
0.55	54.0	-0.2474	0.2173
0.55	222.0	0.5559	0.1878
0.55	234.0	-0.2054	0.205
0.55	246.0	0.0458	0.2129
0.65	210.0	0.1121	0.2374
0.65	222.0	0.3539	0.2363
0.65	234.0	-0.1143	0.2043
0.65	246.0	0.0767	0.222
0.75	222.0	-0.4965	0.204
0.75	234.0	-0.0468	0.2055
0.75	246.0	-0.0052	0.2112
0.85	222.0	-0.4693	0.186
0.85	234.0	-0.3656	0.211

CLAS Physics Database