Measurement E151M3019

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_LU
ε_L:	0.4696
Q²:	0.348 GeV²
W:	1415.0 GeV
E_beam:	1.9889 GeV
ε:	0.8278

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	90.0	0.052	0.257
0.65	102.0	0.2062	0.2686
0.65	114.0	-0.1365	0.2775
0.75	90.0	-0.25	0.2671
0.75	114.0	0.1628	0.2519
0.75	234.0	0.0774	0.2609
0.75	270.0	0.4435	0.2055
0.85	66.0	-0.1273	0.2676
0.85	102.0	0.0657	0.261
0.85	114.0	-0.2069	0.2497
0.85	258.0	-0.4826	0.2305
0.85	270.0	-0.1354	0.2671
0.85	282.0	-0.2688	0.2246
0.95	126.0	0.2225	0.2671
0.95	222.0	-0.4655	0.2803
0.95	270.0	0.1321	0.2671
0.95	294.0	-0.4466	0.2322
0.95	306.0	-0.4823	0.2285

CLAS Physics Database