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	syst. uncert.
0.35	294.0	0.3906	0.6868	0.0414
0.45	294.0	0.3842	0.6964	0.0411
0.55	282.0	0.8084	0.6631	0.0663
0.55	294.0	0.158	0.5368	0.0321
0.65	270.0	-0.3578	0.5458	0.0398
0.65	282.0	0.476	0.6429	0.0459
0.65	294.0	-0.3212	0.4222	0.0381
0.75	66.0	0.0762	0.6025	0.0305
0.75	78.0	0.2903	0.6019	0.0367
0.75	90.0	-0.1669	0.5528	0.0324
0.75	270.0	2.3544	2.3544	0.1747
0.75	282.0	0.6926	0.6216	0.0588
0.75	294.0	0.2302	0.5089	0.0344
0.85	54.0	0.146	0.6625	0.0318
0.85	66.0	-0.6423	0.3957	0.0557
0.85	78.0	-0.3373	0.427	0.0388
0.85	90.0	0.3415	0.5884	0.039
0.85	102.0	0.0893	0.5918	0.0307
0.85	306.0	-0.4557	0.5548	0.0448
0.95	42.0	0.3577	0.5664	0.0398
0.95	54.0	-0.4554	0.5104	0.0448
0.95	102.0	0.3576	0.592	0.0398

CLAS Physics Database