Measurement E151M2641

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:	0.0023
Q²:	0.0023 GeV²
W:	1505.0 GeV
E_beam:	1.0539 GeV
ε:	0.5471

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	42.0	0.07	0.2191	0.03
0.35	54.0	0.2149	0.2058	0.0303
0.35	66.0	-0.1201	0.2506	0.0301
0.45	42.0	-0.1211	0.2617	0.0301
0.45	54.0	-0.0989	0.2186	0.0301
0.45	210.0	0.3105	0.2379	0.0306
0.45	222.0	-0.0158	0.2327	0.03
0.45	234.0	0.182	0.2371	0.0302
0.55	42.0	-0.2171	0.2264	0.0303
0.55	210.0	-0.0036	0.2168	0.03
0.55	222.0	-0.1188	0.2321	0.0301
0.55	234.0	-0.0828	0.1864	0.03
0.55	246.0	0.1608	0.2416	0.0302
0.65	222.0	0.137	0.1945	0.0301
0.65	234.0	-0.1381	0.1805	0.0301
0.65	246.0	0.2436	0.256	0.0304
0.75	222.0	-0.0574	0.1925	0.03
0.75	234.0	0.2646	0.2256	0.0305
0.85	222.0	-0.0957	0.2562	0.0301

CLAS Physics Database