Measurement E151M2462

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:	0.8733
Q²:	0.1715 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.7985

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	282.0	-0.1278	0.2557	0.0301
0.35	294.0	-0.0418	0.2436	0.03
0.45	282.0	-0.1774	0.2043	0.0302
0.45	294.0	-0.1317	0.2281	0.0301
0.55	270.0	0.2126	0.2049	0.0303
0.55	282.0	-0.3014	0.1868	0.0306
0.55	294.0	-0.3136	0.2453	0.0306
0.65	270.0	-0.3947	0.1905	0.031
0.65	282.0	-0.2057	0.1982	0.0303
0.65	294.0	-0.3535	0.2246	0.0308
0.75	270.0	-0.0229	0.217	0.03
0.75	294.0	-0.0406	0.2605	0.03
0.85	126.0	-0.1079	0.2358	0.0301
0.85	138.0	0.0329	0.2368	0.03
0.85	150.0	-0.2553	0.2351	0.0304
0.85	222.0	-0.1472	0.2329	0.0301
0.95	114.0	0.1845	0.2627	0.0302
0.95	138.0	0.2127	0.22	0.0303
0.95	150.0	0.2569	0.2369	0.0304
0.95	162.0	0.0129	0.2352	0.03
0.95	174.0	-0.216	0.2247	0.0303
0.95	186.0	-0.585	0.2063	0.0322
0.95	198.0	-0.0446	0.2621	0.03
0.95	222.0	-0.1432	0.2227	0.0301

CLAS Physics Database