Measurement E151M2565

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:	0.249
Q²:	0.1205 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.6795

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	42.0	-0.0715	0.2432	0.03
0.45	258.0	-0.0224	0.2517	0.03
0.55	246.0	0.1441	0.251	0.0301
0.55	258.0	-0.4502	0.1808	0.0313
0.55	270.0	-0.2106	0.1907	0.0303
0.65	234.0	-0.3137	0.2338	0.0306
0.65	246.0	0.0684	0.2087	0.03
0.65	258.0	0.3274	0.1703	0.0307
0.65	270.0	-0.0618	0.1705	0.03
0.75	138.0	-0.26	0.1999	0.0304
0.75	174.0	-0.0877	0.2102	0.0301
0.75	234.0	0.1583	0.2429	0.0302
0.75	246.0	-0.0477	0.172	0.03
0.75	258.0	-0.3775	0.1662	0.0309
0.75	270.0	-0.1743	0.1739	0.0302
0.75	282.0	-0.1446	0.1918	0.0301
0.85	126.0	0.3713	0.2131	0.0309
0.85	138.0	0.3684	0.2147	0.0309
0.85	150.0	-0.0684	0.2524	0.03
0.85	162.0	0.2147	0.2195	0.0303
0.85	174.0	-0.1126	0.2329	0.0301
0.85	246.0	0.1823	0.2158	0.0302
0.85	258.0	0.0852	0.198	0.03
0.85	270.0	-0.2488	0.1677	0.0304
0.85	282.0	-0.0166	0.1894	0.03
0.85	294.0	0.0765	0.2494	0.03
0.95	246.0	-0.2109	0.2451	0.0303

CLAS Physics Database