Measurement E151M1433

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_LL
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_LL	uncertainty	syst. uncert.
0.35	282.0	-0.168	0.6219	0.0316
0.45	282.0	0.3048	0.5758	0.0351
0.55	270.0	-0.5001	0.5763	0.0424
0.55	282.0	-0.4441	0.4557	0.0401
0.55	294.0	-0.094	0.6135	0.0305
0.65	282.0	-0.2758	0.5159	0.0343
0.75	270.0	-0.2092	0.5937	0.0325
0.85	90.0	0.0954	0.6347	0.0305
0.95	102.0	0.3769	0.5098	0.0376
0.95	114.0	-0.2833	0.4871	0.0345
0.95	150.0	0.1034	0.4542	0.0306
0.35	294.0	-1.1661	0.6418	0.0741
0.45	282.0	0.3612	0.8298	0.0366
0.45	294.0	0.1771	0.7642	0.0317
0.55	270.0	-0.2506	0.6992	0.0334
0.55	282.0	-0.6361	0.5626	0.0476
0.55	294.0	-0.0297	0.7637	0.03
0.65	282.0	-1.0662	0.4191	0.0689
0.65	294.0	-1.4237	0.3597	0.0881
0.75	270.0	1.6113	1.6113	0.0984
0.85	114.0	0.0165	0.9049	0.03
0.85	126.0	0.8437	0.6981	0.0575
0.95	102.0	-0.3507	0.6076	0.0363
0.95	114.0	0.11	0.7319	0.0307

CLAS Physics Database