Measurement E151M2449

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:	0.1621
Q²:	0.0171 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.9307

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	42.0	0.2411	0.2442	0.0304
0.55	258.0	-0.1941	0.2101	0.0303
0.55	270.0	0.228	0.1862	0.0303
0.55	282.0	0.0352	0.1992	0.03
0.65	246.0	0.0672	0.2386	0.03
0.65	258.0	-0.2589	0.1611	0.0304
0.65	270.0	0.2576	0.1636	0.0304
0.75	162.0	0.1505	0.2044	0.0302
0.75	174.0	0.3146	0.1824	0.0307
0.75	186.0	-0.2352	0.2211	0.0304
0.75	198.0	-0.2229	0.2215	0.0303
0.75	210.0	-0.0996	0.2425	0.0301
0.75	234.0	0.2105	0.2321	0.0303
0.75	246.0	0.0985	0.2167	0.0301
0.75	258.0	-0.1718	0.2158	0.0302
0.75	270.0	-0.0714	0.238	0.03
0.85	162.0	0.354	0.1813	0.0308
0.85	174.0	-0.0065	0.1836	0.03
0.85	186.0	0.1008	0.2403	0.0301
0.85	198.0	0.139	0.2134	0.0301
0.85	210.0	-0.3827	0.2336	0.031

CLAS Physics Database