Measurement E151M2625

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:	0.0063
Q²:	0.005 GeV²
W:	1475.0 GeV
E_beam:	1.0539 GeV
ε:	0.61

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	42.0	-0.6499	0.2069	0.0327
0.35	54.0	-0.1783	0.2501	0.0302
0.45	54.0	-0.063	0.2329	0.03
0.45	222.0	0.3219	0.2421	0.0307
0.55	210.0	0.0761	0.2639	0.03
0.55	234.0	0.1667	0.232	0.0302
0.75	222.0	0.3755	0.2225	0.0309
0.75	234.0	-0.0509	0.2333	0.03
0.85	222.0	-0.3007	0.2325	0.0306
0.85	234.0	-0.4596	0.2326	0.0314

CLAS Physics Database