Measurement E151M799

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:	0.5207
Q²:	0.2915 GeV²
W:	1385.0 GeV
E_beam:	2.2596 GeV
ε:	0.8964

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.85	102.0	0.2018	0.7005
0.85	222.0	0.3527	0.82
0.85	258.0	0.0521	0.7187
0.85	306.0	-0.8942	0.5353
0.95	270.0	-0.2057	0.8594
0.95	294.0	0.7382	0.9718
0.65	102.0	1.1341	1.2249
0.75	102.0	-0.9571	1.1435
0.75	270.0	1.0323	1.0852
0.85	258.0	-2.2815	0.8386
0.85	270.0	-2.1271	0.8745
0.85	282.0	0.2984	1.0829
0.85	294.0	0.6122	1.009
0.95	282.0	-2.6169	2.8462

CLAS Physics Database