Measurement E151M200

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:	0.1972
Q²:	0.0205 GeV²
W:	1205.0 GeV
E_beam:	1.3383 GeV
ε:	0.9578

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	270.0	0.1415	0.3601
0.65	258.0	-0.4927	0.2678
0.65	270.0	-0.0177	0.2561
0.75	150.0	1.2635	0.9858
0.75	162.0	0.4411	0.4859
0.75	186.0	-0.6567	0.4679
0.75	246.0	-0.0592	0.3084
0.75	258.0	-0.5303	0.305
0.75	270.0	0.1273	0.3595
0.85	150.0	0.6096	0.4165
0.85	162.0	0.033	0.3518
0.85	174.0	-0.221	0.2968
0.85	186.0	0.9674	0.3781

CLAS Physics Database