Measurement E151M3005

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:	0.0721
Q²:	0.0291 GeV²
W:	1415.0 GeV
E_beam:	1.9889 GeV
ε:	0.9309

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.45	78.0	0.0322	0.2854
0.65	78.0	0.1222	0.2738
0.65	222.0	-0.0661	0.2861
0.65	234.0	0.1377	0.2378
0.65	246.0	-0.3016	0.2452
0.75	114.0	-0.0898	0.2827
0.75	126.0	-0.3287	0.2273
0.75	234.0	0.3778	0.2702
0.85	138.0	0.332	0.2474
0.85	234.0	-0.232	0.2352
0.85	246.0	-0.0136	0.2401

CLAS Physics Database