Measurement E151M1105

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:	0.2659
Q²:	0.4155 GeV²
W:	1625.0 GeV
E_beam:	2.999 GeV
ε:	0.8602

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	102.0	0.4155	0.9925
0.55	114.0	0.8564	1.0563
0.55	294.0	-0.1954	0.768
0.65	102.0	0.9126	0.8383
0.65	114.0	-0.0847	0.8924
0.65	222.0	1.1765	0.9284
0.65	306.0	-1.455	0.5717
0.75	54.0	-1.2661	0.6555
0.75	66.0	-0.469	0.7553
0.75	78.0	-1.2221	0.6434
0.75	102.0	-0.5572	0.6521
0.75	114.0	-0.2646	0.8195
0.75	222.0	-0.2884	0.7098
0.75	234.0	-1.2076	0.6496
0.75	246.0	-0.8974	0.6465
0.75	258.0	0.6753	0.9319
0.85	54.0	1.565	0.8872
0.85	66.0	0.1503	0.6924
0.85	78.0	-0.6209	0.7254
0.85	186.0	0.1945	0.9291
0.85	198.0	2.5008	0.9875
0.85	210.0	0.596	0.8426
0.85	222.0	2.1991	0.7385
0.85	234.0	-0.5287	0.6738
0.85	246.0	0.3997	0.606
0.85	258.0	0.1869	0.7159
0.85	270.0	-0.8613	0.6262
0.95	186.0	0.4453	0.8588
0.95	210.0	0.7498	0.885
0.95	222.0	0.2058	0.8442
0.95	234.0	0.8851	0.7946
0.95	246.0	-0.5536	0.5515
0.95	258.0	-0.4081	0.5992
0.95	270.0	-0.0399	0.5891
0.95	282.0	0.4404	0.5945
0.95	294.0	0.8263	0.6245
0.95	306.0	-0.8547	0.4833
0.95	318.0	0.0414	0.6845

CLAS Physics Database