Measurement E151M185

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:	0.0126
Q²:	0.0101 GeV²
W:	1475.0 GeV
E_beam:	1.0539 GeV
ε:	0.603

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.25	42.0	0.3854	0.7434	0.0531
0.35	30.0	-0.952	0.6742	0.1124
0.35	42.0	1.3552	0.6523	0.1571
0.35	54.0	-0.2208	0.5526	0.0391
0.35	66.0	2.2897	0.6299	0.2622
0.45	42.0	0.0627	0.6764	0.0308
0.45	54.0	0.4898	0.5955	0.0633
0.45	66.0	1.8142	0.7483	0.2086
0.45	222.0	-0.1806	0.6106	0.0364
0.45	234.0	0.1023	0.6714	0.0322
0.55	30.0	0.1624	0.7507	0.0352
0.55	42.0	0.1688	0.6428	0.0356
0.55	54.0	-0.0421	0.7964	0.0304
0.55	66.0	-0.0543	0.7809	0.0306
0.55	150.0	-0.2792	0.7631	0.0437
0.55	162.0	-0.5912	0.7368	0.0736
0.55	186.0	0.7847	0.8168	0.0942
0.55	210.0	0.2677	0.7856	0.0427
0.55	222.0	0.7738	0.6174	0.093
0.55	234.0	0.6061	0.5259	0.0752
0.55	246.0	0.3407	0.5436	0.049
0.55	258.0	-0.8598	0.6491	0.1023
0.65	42.0	1.36	0.8069	0.1576
0.65	162.0	-0.5496	0.7303	0.0694
0.65	210.0	-0.0838	0.7389	0.0315
0.65	222.0	-0.0242	0.5733	0.0301
0.65	234.0	-0.4118	0.4776	0.0556
0.65	246.0	0.6534	0.6446	0.0802
0.75	222.0	-0.1969	0.6069	0.0374
0.75	234.0	-0.5151	0.4812	0.0658
0.75	246.0	0.3018	0.4909	0.0456
0.85	210.0	-0.0408	0.7303	0.0304
0.85	222.0	0.2578	0.5786	0.042
0.85	234.0	0.6234	0.5786	0.077
0.85	246.0	-0.9296	0.4556	0.1099

CLAS Physics Database