Measurement E151M2607

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:	0.008
Q²:	0.005 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.6698

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	54.0	0.2607	0.2271	0.0304
0.55	42.0	0.2432	0.2491	0.0304
0.55	54.0	0.1665	0.2498	0.0302
0.55	222.0	-0.0413	0.2551	0.03
0.65	234.0	-0.0852	0.2416	0.03
0.75	234.0	0.1362	0.2271	0.0301
0.85	222.0	0.3776	0.2385	0.0309
0.85	234.0	-0.0307	0.2241	0.03
0.85	246.0	0.0538	0.283	0.03

CLAS Physics Database