Measurement E151M944

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:	1.394
Q²:	0.348 GeV²
W:	1205.0 GeV
E_beam:	2.999 GeV
ε:	0.962

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	294.0	0.3906	0.6868
0.45	294.0	0.3842	0.6964
0.55	282.0	0.8084	0.6631
0.55	294.0	0.158	0.5368
0.65	270.0	-0.3578	0.5458
0.65	282.0	0.476	0.6429
0.65	294.0	-0.3212	0.4222
0.75	66.0	0.0762	0.6025
0.75	78.0	0.2903	0.6019
0.75	90.0	-0.1669	0.5528
0.75	270.0	2.3544	2.3544
0.75	282.0	0.6926	0.6216
0.75	294.0	0.2302	0.5089
0.85	54.0	0.146	0.6625
0.85	66.0	-0.6423	0.3957
0.85	78.0	-0.3373	0.427
0.85	90.0	0.3415	0.5884
0.85	102.0	0.0893	0.5918
0.85	306.0	-0.4557	0.5548
0.95	42.0	0.3577	0.5664
0.95	54.0	-0.4554	0.5104
0.95	102.0	0.3576	0.592

CLAS Physics Database