Measurement E151M2406

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:	0.0318
Q²:	0.0707 GeV²
W:	1835.0 GeV
E_beam:	2.999 GeV
ε:	0.8353

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.75	102.0	1.3191	1.0528
0.75	114.0	0.0212	1.0279
0.75	186.0	-1.2202	1.1393
0.75	198.0	0.3297	1.0633
0.75	210.0	-1.143	1.0325
0.85	102.0	2.2362	0.7681
0.85	114.0	-2.7562	0.7146
0.85	126.0	1.7923	0.8864
0.85	174.0	-1.7067	1.0588
0.85	186.0	-1.796	0.8936
0.85	198.0	0.3499	0.9629
0.85	210.0	0.7622	0.9251

CLAS Physics Database