Measurement E151M2363

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:	0.1388
Q²:	0.2445 GeV²
W:	1715.0 GeV
E_beam:	2.999 GeV
ε:	0.8569

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.55	102.0	-0.9768	0.9244	0.0769
0.55	114.0	-0.5055	0.9731	0.0474
0.65	102.0	0.0103	0.8815	0.03
0.65	114.0	0.0424	0.86	0.0302
0.65	126.0	-0.4065	0.9316	0.0421
0.65	186.0	1.327	1.0593	0.1008
0.65	210.0	-0.4126	0.9784	0.0424
0.65	234.0	-0.7274	1.0281	0.0607
0.65	282.0	0.3108	0.9137	0.0375
0.65	294.0	-0.3525	0.8974	0.0394
0.75	78.0	-0.3205	0.9872	0.0379
0.75	90.0	0.2426	0.8371	0.0348
0.75	114.0	0.8489	1.0507	0.0685
0.75	126.0	1.1229	0.7755	0.0868
0.75	138.0	-0.0528	1.0467	0.0302
0.75	186.0	-0.1292	1.0125	0.0314
0.75	198.0	-1.7053	0.7218	0.1272
0.75	210.0	0.7056	0.791	0.0593
0.75	222.0	-0.9636	0.8034	0.076
0.75	234.0	0.5976	1.008	0.0527
0.75	282.0	-0.7518	0.9714	0.0622
0.75	294.0	-0.5006	0.8199	0.0471
0.85	66.0	1.836	0.9045	0.1365
0.85	78.0	0.3595	0.7188	0.0397
0.85	90.0	-0.2423	0.7848	0.0348
0.85	102.0	-0.079	0.9003	0.0305
0.85	162.0	0.4748	1.0709	0.0457
0.85	186.0	-0.5325	0.9251	0.0489
0.85	198.0	-0.8606	0.7817	0.0692
0.85	210.0	-1.1622	0.6812	0.0895
0.85	222.0	-0.3886	0.6719	0.0412
0.85	234.0	1.245	0.5919	0.0951
0.85	246.0	0.1736	0.735	0.0325
0.85	258.0	-1.1082	0.9933	0.0858
0.95	90.0	1.0099	0.8834	0.0791
0.95	174.0	-1.5796	0.8396	0.1184
0.95	186.0	-0.3196	0.79	0.0379
0.95	198.0	-0.2434	0.7048	0.0348
0.95	210.0	0.2448	0.7196	0.0349
0.95	222.0	-0.215	0.6587	0.0338
0.95	234.0	-0.2801	0.6593	0.0362
0.95	246.0	0.611	0.5866	0.0535
0.95	258.0	0.0187	0.7644	0.03
0.95	270.0	0.112	0.7664	0.0311

CLAS Physics Database