Measurement E151M1195

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:	0.0286
Q²:	0.0707 GeV²
W:	1865.0 GeV
E_beam:	2.999 GeV
ε:	0.8183

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.75	198.0	2.4095	1.1395	0.1786
0.75	270.0	0.3752	0.8102	0.0406
0.85	102.0	1.1434	1.0007	0.0888
0.85	114.0	2.0711	0.8475	0.1543
0.85	186.0	-0.2682	0.9632	0.0358
0.85	198.0	-0.0138	0.8446	0.03
0.85	210.0	1.8343	1.08	0.1374
0.85	270.0	1.065	1.0086	0.0834

CLAS Physics Database