Measurement E151M1954

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:	0.544
Q²:	0.0844 GeV²
W:	1235.0 GeV
E_beam:	2.2596 GeV
ε:	0.9728

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.45	78.0	-3.0633	2.1616
0.55	78.0	-0.3606	2.4438
0.65	270.0	1.5912	2.0424
0.65	282.0	-0.4026	2.1864
0.75	258.0	-2.8456	2.1911
0.75	270.0	-4.4117	1.9341
0.85	114.0	1.5012	2.9647
0.85	126.0	2.6349	2.9255
0.85	138.0	-2.4157	3.3207
0.95	126.0	-1.1445	8.9947
0.95	138.0	1.4159	7.7701
0.95	150.0	2.384	8.0464
0.95	162.0	4.7289	10.0276
0.35	78.0	0.32	0.5338
0.45	78.0	-0.4714	0.3573
0.55	78.0	-0.6332	0.3931
0.55	90.0	0.7637	0.5516
0.55	270.0	1.1292	0.4162
0.65	258.0	0.0881	0.5484
0.65	270.0	0.4988	0.3749
0.65	282.0	0.5391	0.4671
0.75	114.0	0.5324	0.5398
0.75	246.0	-0.1307	0.5655
0.75	258.0	-0.4246	0.4131
0.75	270.0	-0.0635	0.4463
0.85	102.0	0.7127	0.4899
0.85	114.0	-0.0531	0.5396
0.85	126.0	-0.0795	0.4543
0.85	138.0	0.4321	0.4921
0.85	150.0	0.6801	0.5661
0.85	234.0	0.1074	0.597
0.85	246.0	0.0876	0.5576
0.85	258.0	-0.3187	0.4444
0.85	270.0	0.2025	0.5514
0.95	114.0	1.3007	0.8565
0.95	126.0	-0.0536	0.8322
0.95	138.0	1.0525	0.9248
0.95	150.0	-0.4944	0.8164
0.95	162.0	-1.1365	0.9712
0.95	174.0	0.3821	0.8229
0.95	198.0	-1.4406	1.0125

CLAS Physics Database