Measurement E151M988

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:	0.8938
Q²:	0.7075 GeV²
W:	1325.0 GeV
E_beam:	2.999 GeV
ε:	0.8986

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	270.0	1.2949	0.8447	0.0993
0.65	306.0	-0.2497	0.6741	0.0351
0.75	78.0	0.3587	0.7954	0.0398
0.75	90.0	0.4066	0.82	0.0422
0.75	258.0	-0.1578	0.6978	0.0321
0.75	282.0	1.0447	0.7808	0.082
0.75	294.0	-0.3088	0.6691	0.0375
0.85	270.0	-1.1529	0.5041	0.0894
0.85	306.0	1.0588	0.7472	0.083
0.95	258.0	-1.2901	0.4357	0.0989
0.95	294.0	-0.7744	0.483	0.0641
0.95	318.0	0.6875	0.675	0.0585

CLAS Physics Database