Measurement E151M2562

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:	0.1742
Q²:	0.0707 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.7364

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	42.0	0.0079	0.2367
0.35	30.0	0.1321	0.2317
0.35	42.0	0.1128	0.2229
0.45	42.0	-0.7561	0.1851
0.45	258.0	-0.3146	0.2497
0.55	234.0	-0.0643	0.2605
0.55	246.0	0.0005	0.2268
0.55	258.0	-0.2438	0.1674
0.55	270.0	0.207	0.1882
0.65	138.0	-0.1058	0.2646
0.65	150.0	0.0052	0.2381
0.65	234.0	-0.0018	0.182
0.65	246.0	-0.1441	0.1602
0.65	258.0	0.0497	0.1387
0.65	270.0	-0.4547	0.2021
0.75	138.0	0.1719	0.2236
0.75	150.0	0.162	0.1739
0.75	162.0	0.0959	0.1886
0.75	174.0	-0.1843	0.2076
0.75	198.0	0.0414	0.229
0.75	234.0	-0.1898	0.1626
0.75	246.0	-0.2514	0.1501
0.75	258.0	-0.0416	0.1517
0.75	270.0	-0.148	0.1518
0.85	126.0	-0.0886	0.2469
0.85	138.0	-0.4512	0.1829
0.85	150.0	0.2177	0.1958
0.85	162.0	-0.1834	0.1901
0.85	174.0	0.0418	0.1991
0.85	186.0	-0.3749	0.1987
0.85	198.0	-0.1802	0.2473
0.85	234.0	-0.0633	0.1865
0.85	246.0	-0.2042	0.147
0.85	258.0	-0.0945	0.1505
0.85	270.0	0.001	0.1381
0.85	282.0	0.0184	0.1909
0.95	102.0	-0.2345	0.2489
0.95	114.0	0.2485	0.2541
0.95	138.0	0.4368	0.2203
0.95	174.0	0.1233	0.2581
0.95	234.0	-0.2748	0.2199
0.95	246.0	-0.1176	0.2501
0.95	258.0	-0.1676	0.1908
0.95	270.0	-0.219	0.1966

CLAS Physics Database