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	syst. uncert.
0.65	90.0	0.052	0.257	0.03
0.65	102.0	0.2062	0.2686	0.0303
0.65	114.0	-0.1365	0.2775	0.0301
0.75	90.0	-0.25	0.2671	0.0304
0.75	114.0	0.1628	0.2519	0.0302
0.75	234.0	0.0774	0.2609	0.03
0.75	270.0	0.4435	0.2055	0.0313
0.85	66.0	-0.1273	0.2676	0.0301
0.85	102.0	0.0657	0.261	0.03
0.85	114.0	-0.2069	0.2497	0.0303
0.85	258.0	-0.4826	0.2305	0.0315
0.85	270.0	-0.1354	0.2671	0.0301
0.85	282.0	-0.2688	0.2246	0.0305
0.95	126.0	0.2225	0.2671	0.0303
0.95	222.0	-0.4655	0.2803	0.0314
0.95	270.0	0.1321	0.2671	0.0301
0.95	294.0	-0.4466	0.2322	0.0313
0.95	306.0	-0.4823	0.2285	0.0315

CLAS Physics Database