Measurement E151M444

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_UL
ε_L:	0.0207
Q²:	0.0291 GeV²
W:	1595.0 GeV
E_beam:	1.3383 GeV
ε:	0.5777

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	222.0	-0.2338	0.7415
0.75	234.0	-1.174	0.6318
0.85	222.0	-0.3372	0.563
0.55	234.0	0.8927	1.2461
0.65	234.0	0.0966	0.9031
0.75	234.0	0.5159	1.2471
0.85	234.0	0.1057	1.0027
0.85	246.0	0.5384	1.1925

CLAS Physics Database