Measurement E151M2450

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:	0.1911
Q²:	0.0205 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.9279

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	246.0	0.3425	0.2488
0.55	258.0	-0.0229	0.2615
0.55	270.0	-0.1891	0.1793
0.55	282.0	-0.0776	0.2139
0.65	246.0	-0.5279	0.1677
0.65	258.0	-0.1989	0.1653
0.65	270.0	-0.0485	0.1769
0.65	282.0	0.3274	0.2099
0.75	162.0	0.0248	0.2316
0.75	174.0	0.5026	0.1877
0.75	186.0	0.1498	0.183
0.75	198.0	0.1598	0.199
0.75	210.0	-0.0976	0.2053
0.75	222.0	0.0322	0.2243
0.75	234.0	-0.1877	0.2547
0.75	246.0	0.1249	0.2002
0.75	258.0	0.0199	0.2038
0.85	150.0	-0.0648	0.2259
0.85	162.0	-0.097	0.2123
0.85	174.0	-0.0243	0.1719
0.85	186.0	0.2837	0.2007
0.85	198.0	0.0645	0.1935
0.85	210.0	-0.0056	0.1956
0.85	222.0	-0.2797	0.241

CLAS Physics Database