Measurement E151M2609

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:	0.0113
Q²:	0.0071 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.667

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	42.0	0.127	0.2012	0.0301
0.35	54.0	-0.3984	0.2196	0.031
0.45	42.0	0.0592	0.2068	0.03
0.45	54.0	0.0206	0.1629	0.03
0.45	234.0	0.4226	0.2272	0.0312
0.55	42.0	-0.0438	0.2126	0.03
0.55	54.0	-0.0912	0.1983	0.0301
0.55	222.0	0.2742	0.2217	0.0305
0.55	234.0	0.1192	0.2202	0.0301
0.55	246.0	0.2461	0.253	0.0304
0.65	162.0	0.0793	0.2467	0.03
0.65	210.0	-0.1472	0.2521	0.0301
0.65	222.0	0.1688	0.1906	0.0302
0.65	234.0	0.0081	0.176	0.03
0.65	246.0	0.1473	0.2226	0.0301
0.75	210.0	-0.1681	0.2382	0.0302
0.75	222.0	0.2743	0.2068	0.0305
0.75	234.0	-0.3005	0.2219	0.0306
0.75	246.0	0.2663	0.2202	0.0305
0.75	258.0	-0.2981	0.2414	0.0306
0.85	222.0	0.3045	0.1972	0.0306
0.85	234.0	0.0687	0.2107	0.03
0.85	246.0	0.0722	0.2207	0.03

CLAS Physics Database