Measurement E151M2608

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:	0.0095
Q²:	0.0059 GeV²
W:	1445.0 GeV
E_beam:	1.0539 GeV
ε:	0.6685

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	42.0	0.3205	0.2165	0.0307
0.45	54.0	-0.189	0.1831	0.0302
0.45	222.0	0.0002	0.2615	0.03
0.55	42.0	-0.2732	0.2475	0.0305
0.55	54.0	-0.0168	0.2181	0.03
0.55	222.0	0.11	0.2135	0.0301
0.55	234.0	-0.2157	0.2222	0.0303
0.55	246.0	-0.2266	0.2457	0.0303
0.65	222.0	0.1083	0.2104	0.0301
0.65	234.0	-0.0963	0.2537	0.0301
0.65	246.0	0.0906	0.2109	0.0301
0.75	222.0	0.0375	0.2381	0.03
0.75	234.0	-0.3476	0.1806	0.0308
0.75	246.0	-0.2831	0.2032	0.0305
0.85	222.0	-0.4824	0.236	0.0315
0.85	234.0	-0.2853	0.2128	0.0305

CLAS Physics Database