Measurement E151M3512

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:	0.3941
Q²:	0.496 GeV²
W:	1535.0 GeV
E_beam:	2.999 GeV
ε:	0.8773

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	282.0	-0.6415	0.2226
0.45	90.0	0.5389	0.2346
0.55	90.0	-0.1389	0.2355
0.55	114.0	0.4182	0.237
0.65	54.0	-0.2227	0.2687
0.65	102.0	-0.0542	0.2571
0.65	246.0	-0.287	0.2598
0.75	66.0	0.132	0.2721
0.75	90.0	0.0314	0.238
0.75	102.0	-0.3608	0.2373
0.75	210.0	0.0012	0.2657
0.75	246.0	0.1879	0.222
0.75	270.0	0.135	0.2191
0.85	54.0	-0.4744	0.2225
0.85	102.0	0.5596	0.1893
0.85	222.0	-0.5343	0.2396
0.85	234.0	-0.284	0.2225
0.85	246.0	-0.2641	0.1788
0.85	258.0	-0.1104	0.2058
0.85	270.0	0.3707	0.2114
0.85	282.0	-0.1395	0.2258
0.85	294.0	0.2687	0.2134
0.85	306.0	-0.4807	0.2521
0.85	318.0	0.0732	0.246
0.95	210.0	0.2076	0.2895
0.95	246.0	-0.1451	0.2723
0.95	258.0	-0.1833	0.2124
0.95	270.0	0.1247	0.2252
0.95	282.0	-0.0305	0.2037
0.95	294.0	-0.151	0.2391
0.95	306.0	0.3493	0.2323
0.95	318.0	0.117	0.2092

CLAS Physics Database