Measurement E151M3284

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:	0.3175
Q²:	0.2445 GeV²
W:	1475.0 GeV
E_beam:	2.2596 GeV
ε:	0.8743

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	90.0	0.4151	0.2301	0.0311
0.75	102.0	0.2349	0.2168	0.0304
0.75	126.0	-0.1291	0.2627	0.0301
0.75	234.0	-0.24	0.2489	0.0304
0.75	258.0	-0.1006	0.2324	0.0301
0.85	258.0	-0.2259	0.2542	0.0303
0.85	270.0	-0.343	0.2234	0.0308
0.95	270.0	0.1874	0.2587	0.0302
0.95	282.0	0.2169	0.26	0.0303
0.95	294.0	-0.3533	0.2084	0.0308
0.65	102.0	0.0817	0.2502	0.03
0.75	114.0	-0.0216	0.2193	0.03
0.75	234.0	0.1854	0.2146	0.0302
0.85	126.0	0.068	0.2454	0.03
0.85	234.0	-0.5281	0.2433	0.0318
0.85	246.0	0.0694	0.1986	0.03
0.85	258.0	-0.0551	0.2445	0.03
0.85	270.0	-0.0725	0.2472	0.03
0.95	270.0	-0.1384	0.2505	0.0301

CLAS Physics Database