Measurement E151M2791

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:	0.0194
Q²:	0.0101 GeV²
W:	1445.0 GeV
E_beam:	1.3383 GeV
ε:	0.8102

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	222.0	-0.1369	0.2693
0.55	234.0	-0.4033	0.1338
0.65	138.0	0.6705	0.2742
0.65	222.0	0.0514	0.2865
0.65	234.0	-0.0434	0.21
0.75	162.0	-0.3938	0.3204
0.75	222.0	-0.3059	0.3991
0.75	234.0	0.5364	0.2284
0.85	210.0	0.0257	0.3835
0.85	222.0	-0.1491	0.3419
0.85	234.0	0.3947	0.3219
0.65	246.0	-0.3547	0.2585
0.75	234.0	-0.4782	0.2067
0.75	246.0	-0.1226	0.2818
0.85	234.0	-0.18	0.273

CLAS Physics Database