Measurement E151M383

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:	0.1968
Q²:	0.205 GeV²
W:	1475.0 GeV
E_beam:	1.3383 GeV
ε:	0.6135

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	126.0	-1.5075	0.5814
0.65	246.0	-0.0138	0.8484
0.75	234.0	3.6296	3.6296
0.75	258.0	1.8727	1.2585
0.85	258.0	1.8648	1.1974
0.55	246.0	0.277	0.7061
0.85	270.0	0.3837	0.6519
0.95	102.0	-0.1676	0.6202

CLAS Physics Database