Measurement E151M1438

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:	0.1308
Q²:	0.0171 GeV²
W:	1235.0 GeV
E_beam:	1.3383 GeV
ε:	0.9489

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	246.0	-1.1725	0.6485
0.55	258.0	-0.3411	0.6115
0.55	270.0	-0.3364	0.6697
0.55	282.0	-0.0776	0.6542
0.65	234.0	0.2343	0.7869
0.65	246.0	0.1034	0.5673
0.65	258.0	-0.1024	0.5193
0.65	270.0	0.4046	0.5457
0.75	150.0	0.6292	0.7637
0.75	162.0	-0.6126	0.8611
0.75	186.0	0.4915	0.841
0.75	198.0	-0.1762	0.9403
0.75	234.0	-0.7547	0.4838
0.75	246.0	0.2103	0.5445
0.75	258.0	0.2806	0.5573
0.75	270.0	0.399	0.6596
0.85	138.0	-0.6517	0.7791
0.85	150.0	-0.4325	0.8173
0.85	162.0	0.3061	0.687
0.85	174.0	-0.3325	0.6913
0.85	186.0	-0.7088	0.6409
0.85	234.0	1.4976	0.3742
0.85	246.0	-1.1493	0.455
0.85	258.0	-1.7304	1.7304
0.45	270.0	1.1934	0.5182
0.55	246.0	-0.0163	0.5106
0.55	258.0	0.6102	0.4419
0.55	270.0	-0.152	0.47
0.55	282.0	0.3369	0.5888
0.65	246.0	-0.1773	0.4239
0.65	258.0	0.0652	0.3758
0.65	270.0	0.1575	0.415
0.65	282.0	0.4243	0.5465
0.75	150.0	-0.0854	0.5896
0.75	162.0	0.7441	0.4976
0.75	174.0	-0.6256	0.5865
0.75	186.0	-0.1859	0.6035
0.75	198.0	-0.3699	0.6102
0.75	210.0	-0.8264	0.6024
0.75	234.0	0.6766	0.4765
0.75	246.0	-0.2446	0.3818
0.75	258.0	0.1595	0.3682
0.75	270.0	-0.3914	0.4356
0.85	138.0	0.8464	0.6277
0.85	150.0	0.301	0.5995
0.85	162.0	-0.2882	0.4956
0.85	174.0	-0.2156	0.5354
0.85	186.0	0.2331	0.5425
0.85	198.0	0.4426	0.5931
0.85	234.0	-0.8294	0.5158
0.85	246.0	-0.4027	0.4634
0.85	258.0	0.0503	0.5936

CLAS Physics Database