Measurement E151M271

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:	0.0489
Q²:	0.0121 GeV²
W:	1325.0 GeV
E_beam:	1.3383 GeV
ε:	0.9075

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	234.0	0.6072	1.0106	0.0473
0.65	246.0	1.068	0.9243	0.071
0.65	258.0	-0.7347	0.4596	0.0535
0.75	246.0	0.8595	0.9464	0.0598
0.85	246.0	-0.7341	0.4976	0.0534
0.55	246.0	-0.7303	0.5488	0.0543
0.65	234.0	-0.0399	0.518	0.0301
0.65	258.0	-0.9881	0.5206	0.0681
0.75	234.0	0.1485	0.5264	0.0314
0.75	246.0	0.036	0.4636	0.0301

CLAS Physics Database