Measurement E151M405

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:	0.0158
Q²:	0.0143 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6921

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	30.0	-1.2925	0.5949
0.45	42.0	0.5895	0.6085
0.45	222.0	0.7948	0.5748
0.55	138.0	-0.0808	0.6765
0.55	150.0	-0.6009	0.686
0.55	210.0	0.7015	0.6617
0.55	222.0	0.2888	0.6227
0.55	234.0	0.132	0.5955
0.65	138.0	0.0173	0.6759
0.65	150.0	-0.6003	0.6557
0.65	210.0	0.9803	0.5607
0.65	222.0	-0.663	0.6104
0.75	222.0	0.4406	0.5805
0.75	234.0	-0.1731	0.5644
0.85	126.0	0.6688	0.7045
0.85	138.0	0.0504	0.6609
0.85	222.0	0.2559	0.6407
0.85	234.0	-0.075	0.5734
0.45	234.0	1.9552	1.2911
0.55	138.0	0.2074	1.0984
0.55	210.0	0.7873	1.2103
0.55	222.0	1.4728	1.5043
0.55	234.0	-0.2121	0.6909
0.65	138.0	1.0365	1.282
0.65	222.0	-0.8812	0.5832
0.65	234.0	0.3168	0.8458
0.75	210.0	0.1216	0.9999
0.75	222.0	0.6545	0.9619
0.75	234.0	0.1856	0.9758
0.85	222.0	0.2017	0.9516
0.85	234.0	-0.2853	0.9111

CLAS Physics Database