Measurement E151M3143

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:	0.0326
Q²:	0.0496 GeV²
W:	1685.0 GeV
E_beam:	1.9889 GeV
ε:	0.7523

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.35	78.0	0.1884	0.2691
0.35	270.0	-0.0368	0.2189
0.45	138.0	-0.332	0.2526
0.45	222.0	0.0746	0.2852
0.45	270.0	-0.179	0.241
0.45	282.0	0.1288	0.2702
0.55	114.0	-0.1566	0.2666
0.55	126.0	0.1296	0.2697
0.55	138.0	0.3267	0.2771
0.55	210.0	-0.5921	0.2009
0.55	222.0	-0.0259	0.2541
0.55	246.0	-0.2192	0.2725
0.55	258.0	-0.1729	0.2497
0.55	270.0	0.1465	0.2252
0.65	126.0	-0.2634	0.2348
0.65	138.0	0.2426	0.2222
0.65	210.0	0.2558	0.2649
0.65	222.0	-0.3096	0.2353
0.65	234.0	0.1835	0.2622
0.65	294.0	0.4559	0.2308
0.75	54.0	0.1526	0.271
0.75	66.0	-0.1735	0.2316
0.75	114.0	0.1191	0.2385
0.75	198.0	0.1594	0.2575
0.75	210.0	-0.2396	0.2286
0.75	222.0	-0.0669	0.2123
0.75	234.0	0.3966	0.2355
0.75	270.0	-0.1564	0.2119
0.75	282.0	0.2277	0.1941
0.85	114.0	-0.2247	0.2172
0.85	126.0	0.2664	0.2194
0.85	138.0	0.2702	0.2555
0.85	198.0	-0.1582	0.2268
0.85	210.0	-0.06	0.2229
0.85	222.0	0.1882	0.1996
0.85	234.0	-0.2693	0.2387
0.85	270.0	0.3391	0.2648

CLAS Physics Database