Measurement E151M2878

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:	0.0718
Q²:	0.101 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.563

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	138.0	0.0564	0.2787	0.03
0.75	234.0	-0.1604	0.2739	0.0302
0.75	246.0	0.1586	0.2528	0.0302
0.95	114.0	0.1256	0.282	0.0301
0.65	234.0	-0.1345	0.3756	0.0301
0.65	246.0	-0.4845	0.2864	0.0315
0.75	234.0	-0.096	0.375	0.0301
0.75	246.0	0.3268	0.3283	0.0307
0.75	258.0	-0.178	0.3642	0.0302
0.85	234.0	-0.1042	0.4102	0.0301
0.85	246.0	-0.4199	0.2614	0.0312

CLAS Physics Database