Measurement E151M1186

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:	0.044
Q²:	0.101 GeV²
W:	1835.0 GeV
E_beam:	2.999 GeV
ε:	0.8284

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.75	102.0	1.4707	1.0506
0.75	114.0	-0.1026	0.9176
0.75	198.0	0.5644	0.9743
0.75	210.0	0.0857	0.8249
0.75	222.0	0.7777	0.9397
0.75	270.0	0.2406	0.8658
0.75	282.0	-0.0242	0.8707
0.85	90.0	-0.1008	0.8514
0.85	102.0	-1.1131	0.5915
0.85	114.0	1.014	0.8161
0.85	126.0	0.1919	0.9566
0.85	186.0	-0.1262	0.7622
0.85	198.0	0.0968	0.778
0.85	210.0	-0.2332	0.7405
0.85	222.0	0.4451	0.8341
0.85	270.0	1.7864	1.0138
0.95	210.0	1.141	0.9961

CLAS Physics Database