Measurement E151M211

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:	0.8855
Q²:	0.1435 GeV²
W:	1205.0 GeV
E_beam:	1.3383 GeV
ε:	0.8961

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.35	282.0	0.7142	0.429	0.0534
0.45	282.0	-0.0511	0.4431	0.0302
0.55	270.0	-0.4657	0.4442	0.0416
0.55	282.0	-0.1651	0.3529	0.0317
0.55	294.0	0.2701	0.4564	0.0343
0.65	282.0	-0.379	0.3932	0.0381
0.75	270.0	-0.4384	0.4495	0.0405
0.85	90.0	-0.0323	0.4882	0.0301
0.95	102.0	0.0888	0.3885	0.0305
0.95	114.0	-0.3788	0.3737	0.0381
0.95	150.0	-0.1749	0.3478	0.0319
0.35	294.0	0.935	1.034	0.0638
0.45	282.0	0.0362	0.6856	0.0301
0.45	294.0	-0.2134	0.5757	0.0326
0.55	270.0	-0.4365	0.4893	0.0399
0.55	282.0	-0.8407	0.3358	0.0588
0.55	294.0	-0.29	0.5666	0.0347
0.65	282.0	0.3319	0.5745	0.036
0.65	294.0	-0.4329	0.4825	0.0397
0.75	270.0	-0.3115	0.5426	0.0354
0.85	114.0	1.3874	0.982	0.0888
0.85	126.0	0.693	0.8661	0.0514
0.95	102.0	0.933	0.6882	0.0637
0.95	114.0	0.1007	0.6401	0.0306

CLAS Physics Database