Measurement E151M381

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:	0.1626
Q²:	0.1435 GeV²
W:	1475.0 GeV
E_beam:	1.3383 GeV
ε:	0.666

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	126.0	-1.0662	0.6261
0.75	258.0	0.1664	0.6709
0.95	270.0	0.4922	0.5436
0.65	234.0	1.7009	1.3585
0.75	258.0	0.2517	0.942
0.85	246.0	-0.0515	0.9134
0.85	258.0	3.3641	3.3641
0.95	258.0	1.4188	1.098

CLAS Physics Database