Measurement E151M441

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:	0.0126
Q²:	0.0171 GeV²
W:	1595.0 GeV
E_beam:	1.3383 GeV
ε:	0.5894

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	210.0	0.7249	1.305
0.55	222.0	0.4378	0.6378
0.65	222.0	1.9948	1.3993
0.75	222.0	-0.2542	1.0116
0.75	234.0	3.7756	3.7756
0.85	222.0	0.2035	0.8705
0.55	234.0	1.1115	0.7356
0.75	30.0	-0.4008	0.6933
0.75	222.0	0.4085	0.6779
0.75	234.0	0.5338	0.7328
0.85	222.0	0.1253	0.6441
0.85	234.0	0.9299	0.6879

CLAS Physics Database