Measurement E151M1107

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:	0.3108
Q²:	0.5925 GeV²
W:	1625.0 GeV
E_beam:	2.999 GeV
ε:	0.8246

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.75	102.0	-0.451	0.7821	0.0446
0.75	234.0	-0.6098	0.7811	0.0537
0.85	54.0	-0.7152	0.7295	0.0603
0.85	222.0	1.6206	0.836	0.1222
0.85	234.0	-0.8274	0.7274	0.0675
0.85	246.0	0.6996	0.8526	0.0593
0.85	258.0	-0.2127	0.7195	0.0338
0.85	270.0	-0.4246	0.7511	0.0432
0.85	282.0	1.5587	0.8597	0.1178
0.95	270.0	-0.482	0.6991	0.0463
0.95	282.0	-0.4041	0.6586	0.0421
0.95	294.0	-0.7038	0.6326	0.0596
0.95	306.0	0.8542	0.8662	0.0693
0.95	318.0	0.2643	0.718	0.0357

CLAS Physics Database