Measurement E151M1388

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:	0.0134
Q²:	0.0084 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.6652

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.35	30.0	-0.226	0.8924	0.0394
0.35	42.0	0.9765	0.7567	0.1142
0.35	54.0	-0.5586	0.7132	0.0698
0.45	30.0	-0.007	0.8962	0.03
0.45	42.0	-0.4407	0.7305	0.0581
0.45	54.0	0.5232	0.6162	0.0662
0.45	66.0	0.4412	0.817	0.0581
0.45	222.0	0.3759	0.9171	0.0519
0.55	30.0	-0.8796	0.7407	0.1036
0.55	42.0	-0.7904	0.5971	0.0941
0.55	54.0	0.7075	0.686	0.0853
0.55	66.0	-1.4307	0.8062	0.1641
0.55	162.0	-0.3629	0.8656	0.0508
0.55	210.0	1.3721	0.8436	0.1576
0.55	222.0	0.8907	0.6633	0.1048
0.55	234.0	1.0003	0.6043	0.1167
0.55	246.0	-0.022	0.7009	0.0301
0.55	258.0	-1.4328	0.7975	0.1644
0.65	138.0	-0.4489	0.8144	0.0588
0.65	150.0	-0.4441	0.7535	0.0584
0.65	174.0	-0.2377	0.9106	0.0402
0.65	210.0	-0.1517	0.7612	0.0345
0.65	222.0	0.2987	0.7158	0.0451
0.65	234.0	0.184	0.5756	0.0365
0.65	246.0	0.3504	0.6637	0.0496
0.75	210.0	-1.623	0.7347	0.1855
0.75	222.0	0.4852	0.7311	0.0624
0.75	234.0	-0.5639	0.6414	0.0703
0.75	246.0	-1.1512	0.5669	0.1333
0.85	210.0	-0.2947	0.7401	0.0448
0.85	222.0	0.9079	0.6927	0.1067
0.85	234.0	-0.4194	0.6019	0.056
0.85	246.0	-0.6745	0.6686	0.0818

CLAS Physics Database