Measurement E151M1454

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_LL
ε_L:	0.9313
Q²:	0.2915 GeV²
W:	1235.0 GeV
E_beam:	1.3383 GeV
ε:	0.7954

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	270.0	1.0495	0.642
0.75	294.0	0.5263	0.7326
0.85	90.0	1.5522	0.6607
0.85	126.0	-1.0663	0.7076
0.45	282.0	1.004	0.8578
0.55	270.0	0.7681	0.8158
0.65	258.0	1.9475	1.9475
0.65	270.0	-0.0132	0.8562
0.65	282.0	-0.9312	0.6008
0.85	102.0	-0.2633	0.9119
0.85	114.0	-0.9017	0.8982

CLAS Physics Database