Measurement E151M1360

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:	0.1223
Q²:	0.0593 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.7053

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.15	42.0	-0.1153	0.898	0.0327
0.25	42.0	0.4997	0.8906	0.0638
0.35	30.0	0.0477	0.9573	0.0305
0.35	42.0	-1.0483	0.714	0.122
0.35	54.0	0.6945	1.0278	0.0839
0.45	30.0	-2.5024	0.858	0.2838
0.45	42.0	0.6119	0.8152	0.0752
0.45	246.0	-0.369	0.9357	0.0513
0.45	258.0	1.9745	0.7621	0.2247
0.55	150.0	-0.1566	0.9313	0.0348
0.55	234.0	0.8106	0.8026	0.0962
0.55	246.0	-0.0137	0.5637	0.03
0.55	258.0	-0.1256	0.6636	0.0332
0.55	270.0	-0.9162	0.8845	0.1076
0.65	138.0	1.0501	0.9091	0.1222
0.65	150.0	0.7745	0.8435	0.0924
0.65	162.0	0.6521	0.829	0.0794
0.65	222.0	0.4167	0.7031	0.0558
0.65	234.0	0.8991	0.6908	0.1058
0.65	246.0	-0.9151	0.5934	0.1075
0.65	258.0	0.383	0.5788	0.0526
0.65	270.0	-1.1047	0.6994	0.1282
0.75	138.0	0.1552	0.7005	0.0347
0.75	150.0	-0.0822	0.6558	0.0314
0.75	162.0	-0.4035	0.9125	0.0545
0.75	174.0	-0.4956	0.8076	0.0634
0.75	210.0	0.8287	0.909	0.0982
0.75	222.0	-0.6467	0.8643	0.0789
0.75	234.0	-0.7009	0.5617	0.0845
0.75	246.0	-0.739	0.5171	0.0886
0.75	258.0	-0.5438	0.5153	0.0683
0.75	270.0	-1.5712	0.5472	0.1797
0.75	282.0	-0.6606	0.9283	0.0803
0.85	126.0	0.2753	0.9852	0.0432
0.85	138.0	-2.7725	2.7725	0.3141
0.85	150.0	-0.2019	0.6898	0.0377
0.85	174.0	-0.5668	0.9032	0.0706
0.85	234.0	0.7554	0.6363	0.0903
0.85	246.0	-0.3014	0.4783	0.0453
0.85	258.0	0.5422	0.5148	0.0681
0.85	270.0	0.5944	0.5153	0.0734
0.85	282.0	-1.0935	0.7322	0.1269
0.95	246.0	0.1975	0.6517	0.0374
0.95	258.0	-0.243	0.6093	0.0406
0.95	270.0	-0.3932	0.6506	0.0535

CLAS Physics Database