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	syst. uncert.
0.75	102.0	1.3191	1.0528	0.1002
0.75	114.0	0.0212	1.0279	0.03
0.75	186.0	-1.2202	1.1393	0.0934
0.75	198.0	0.3297	1.0633	0.0384
0.75	210.0	-1.143	1.0325	0.0881
0.85	102.0	2.2362	0.7681	0.1649
0.85	114.0	-2.7562	0.7146	0.2021
0.85	126.0	1.7923	0.8864	0.1334
0.85	174.0	-1.7067	1.0588	0.1273
0.85	186.0	-1.796	0.8936	0.1336
0.85	198.0	0.3499	0.9629	0.0393
0.85	210.0	0.7622	0.9251	0.0629

CLAS Physics Database