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
0.75	102.0	-0.451	0.7821
0.75	234.0	-0.6098	0.7811
0.85	54.0	-0.7152	0.7295
0.85	222.0	1.6206	0.836
0.85	234.0	-0.8274	0.7274
0.85	246.0	0.6996	0.8526
0.85	258.0	-0.2127	0.7195
0.85	270.0	-0.4246	0.7511
0.85	282.0	1.5587	0.8597
0.95	270.0	-0.482	0.6991
0.95	282.0	-0.4041	0.6586
0.95	294.0	-0.7038	0.6326
0.95	306.0	0.8542	0.8662
0.95	318.0	0.2643	0.718

CLAS Physics Database