Measurement E151M1492

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:	0.6504
Q²:	0.2915 GeV²
W:	1295.0 GeV
E_beam:	1.3383 GeV
ε:	0.7501

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.75	138.0	-1.0391	1.0115	0.0675
0.75	246.0	2.1186	2.1186	0.1268
0.85	102.0	0.4313	0.9886	0.0391
0.85	114.0	1.2223	1.3969	0.0771
0.85	282.0	-0.4001	0.9276	0.038
0.65	294.0	1.0188	0.804	0.068
0.85	102.0	0.0962	0.7254	0.0305
0.85	126.0	0.4741	0.7446	0.0413
0.85	162.0	0.0201	0.7678	0.03
0.85	270.0	-0.0689	0.7261	0.0303
0.85	294.0	0.2607	0.7924	0.0338

CLAS Physics Database