Measurement E151M895

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:	0.0387
Q²:	0.0415 GeV²
W:	1625.0 GeV
E_beam:	2.2596 GeV
ε:	0.8586

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	198.0	-0.2191	0.7782
0.75	66.0	0.9694	0.9146
0.75	210.0	1.5491	0.7976
0.75	222.0	1.2339	0.7711
0.75	270.0	-0.404	0.6265
0.75	282.0	0.1093	0.6486
0.85	114.0	-0.822	0.8012
0.85	210.0	-0.2297	0.8665
0.85	222.0	1.3271	0.9442
0.85	234.0	-0.6704	0.7742
0.45	126.0	-0.5163	0.6563
0.45	282.0	1.4555	0.6732
0.55	78.0	-0.1639	0.6792
0.55	138.0	-0.1771	0.7531
0.55	210.0	0.6937	0.8709
0.65	198.0	1.0698	0.8938
0.75	210.0	0.0529	0.84
0.75	222.0	-0.5173	0.6908
0.75	282.0	0.0171	0.6707
0.75	294.0	0.2981	0.7117
0.85	102.0	-0.5214	0.713
0.85	114.0	-0.5117	0.7344
0.85	210.0	1.9031	0.9045

CLAS Physics Database