Measurement E151M233

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:	0.0744
Q²:	0.0121 GeV²
W:	1265.0 GeV
E_beam:	1.3383 GeV
ε:	0.9391

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.75	258.0	0.2395	0.5121	0.0335
0.65	246.0	0.0258	0.7339	0.03
0.65	258.0	0.1671	0.7306	0.0316
0.75	246.0	1.6244	0.8399	0.1023
0.75	258.0	-0.5749	0.5143	0.0458

CLAS Physics Database