Measurement E151M2589

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:	0.0119
Q²:	0.0059 GeV²
W:	1415.0 GeV
E_beam:	1.0539 GeV
ε:	0.7217

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	42.0	-0.0656	0.2131	0.03
0.45	54.0	0.0286	0.1955	0.03
0.55	30.0	-0.1453	0.247	0.0301
0.55	42.0	-0.2373	0.2085	0.0304
0.55	54.0	0.1041	0.2251	0.0301
0.55	222.0	0.0253	0.2546	0.03
0.55	234.0	-0.0438	0.2315	0.03
0.55	246.0	-0.1918	0.24	0.0302
0.65	42.0	0.1237	0.2228	0.0301
0.65	54.0	-0.1892	0.1965	0.0302
0.65	234.0	-0.056	0.2342	0.03
0.65	246.0	0.2456	0.2395	0.0304
0.75	234.0	0.034	0.2111	0.03
0.75	246.0	0.1103	0.2424	0.0301
0.85	234.0	0.0667	0.2066	0.03

CLAS Physics Database