Measurement E151M38

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:	0.6993
Q²:	0.1715 GeV²
W:	1235.0 GeV
E_beam:	1.0539 GeV
ε:	0.7716

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
-0.05	42.0	-0.3073	0.6171
0.35	282.0	0.3222	0.5346
0.45	270.0	0.1355	0.4909
0.45	282.0	0.9472	0.3982
0.45	294.0	-0.1588	0.5318
0.55	258.0	-0.8445	0.3959
0.55	270.0	0.9371	0.4848
0.55	282.0	0.9654	0.4293
0.55	294.0	1.1832	0.4737
0.65	246.0	-0.7205	0.4629
0.65	258.0	1.9433	1.9433
0.65	270.0	-0.2191	0.3976
0.65	282.0	-0.3016	0.4498
0.65	294.0	-0.1355	0.4802
0.75	258.0	0.144	0.4514
0.75	270.0	0.6195	0.4575
0.75	282.0	0.0641	0.4539
0.75	294.0	-0.3969	0.4337
0.85	114.0	-0.0483	0.5996
0.85	126.0	0.3111	0.4819
0.85	138.0	-0.3524	0.4482
0.85	150.0	0.0096	0.5327
0.85	162.0	0.3088	0.4643
0.85	174.0	-0.0201	0.477
0.85	186.0	0.1446	0.5314
0.85	198.0	-0.1821	0.5334
0.85	210.0	-0.391	0.4875
0.85	234.0	-0.1012	0.5084
0.85	270.0	0.4164	0.4582
0.85	282.0	0.3456	0.4681
0.95	114.0	-0.2047	0.4284
0.95	126.0	-0.1556	0.4236
0.95	138.0	-0.3673	0.3665
0.95	150.0	-0.2055	0.3619
0.95	162.0	0.2	0.3987
0.95	174.0	0.6842	0.438
0.95	186.0	0.1423	0.4358
0.95	198.0	-0.1123	0.3443
0.95	210.0	-0.5162	0.3444

CLAS Physics Database