Measurement E151M1173

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:	0.0416
Q²:	0.0844 GeV²
W:	1805.0 GeV
E_beam:	2.999 GeV
ε:	0.848

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	270.0	-0.4638	0.8009
0.55	138.0	-0.5916	0.9295
0.65	126.0	-2.5152	0.4361
0.65	138.0	-1.1238	0.7693
0.65	198.0	0.1968	1.0006
0.65	210.0	-0.8468	0.827
0.65	270.0	-1.3567	0.6335
0.65	282.0	-0.66	0.8097
0.75	90.0	0.7487	0.9552
0.75	102.0	-0.2878	0.6453
0.75	114.0	0.1951	0.9215
0.75	186.0	-0.5174	0.8662
0.75	198.0	-0.2191	0.7376
0.75	210.0	0.7058	0.8458
0.75	222.0	1.9574	0.8871
0.75	258.0	-0.2001	0.9255
0.75	270.0	1.5336	0.8819
0.75	282.0	-0.9595	0.6179
0.85	90.0	-0.071	0.8196
0.85	102.0	-0.143	0.6904
0.85	114.0	0.7942	0.8004
0.85	126.0	-0.4567	0.729
0.85	138.0	1.1365	0.9309
0.85	174.0	0.7625	0.9122
0.85	186.0	0.7002	0.7664
0.85	198.0	-0.0546	0.5999
0.85	210.0	-0.6051	0.5434
0.85	222.0	0.2552	0.8017
0.85	234.0	-0.3688	0.9186
0.85	270.0	-0.704	0.7816
0.85	282.0	-0.6422	0.7159
0.95	210.0	0.7392	0.966
0.95	222.0	0.6765	0.9469

CLAS Physics Database