Measurement E151M2953

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:	0.5356
Q²:	0.1435 GeV²
W:	1295.0 GeV
E_beam:	1.9889 GeV
ε:	0.9368

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.15	306.0	-0.011	0.2753
0.25	66.0	0.027	0.2306
0.25	78.0	-0.2002	0.2378
0.35	66.0	-0.093	0.2181
0.35	78.0	0.5969	0.1674
0.35	294.0	0.1726	0.258
0.45	66.0	0.3677	0.1927
0.45	78.0	-0.2828	0.181
0.45	270.0	-0.2063	0.2856
0.55	66.0	0.1753	0.2601
0.55	78.0	0.2682	0.2101
0.55	270.0	0.0651	0.1956
0.55	282.0	-0.1514	0.2034
0.65	102.0	0.5836	0.207
0.65	258.0	0.1655	0.2117
0.65	270.0	-0.2081	0.1664
0.65	282.0	-0.1152	0.1974
0.75	78.0	0.0852	0.269
0.75	90.0	-0.2672	0.2263
0.75	102.0	0.1075	0.1827
0.75	114.0	0.1317	0.1918
0.75	126.0	0.1511	0.2391
0.75	234.0	-0.0866	0.236
0.75	246.0	-0.2102	0.1963
0.75	258.0	-0.2106	0.1753
0.75	270.0	-0.1658	0.1629
0.75	282.0	-0.017	0.1783
0.75	294.0	0.0536	0.266
0.85	78.0	0.1673	0.2256
0.85	90.0	0.1606	0.1757
0.85	102.0	0.1193	0.169
0.85	114.0	-0.1225	0.1512
0.85	126.0	0.234	0.1599
0.85	138.0	-0.186	0.2173
0.85	150.0	-0.3258	0.2347
0.85	162.0	0.6449	0.1898
0.85	222.0	0.1224	0.2209
0.85	234.0	-0.1289	0.2041
0.85	246.0	-0.1321	0.1797
0.85	258.0	0.1319	0.1618
0.85	270.0	-0.1645	0.1763
0.85	282.0	-0.0461	0.1673
0.85	294.0	-0.3226	0.2254
0.95	90.0	0.2309	0.1917
0.95	102.0	-0.2109	0.211
0.95	114.0	-0.1724	0.1967
0.95	126.0	-0.0891	0.2031
0.95	138.0	-0.1268	0.1686
0.95	150.0	-0.2071	0.1989
0.95	162.0	0.0277	0.2572
0.95	174.0	0.2655	0.2506
0.95	222.0	0.5299	0.2359
0.95	234.0	0.0311	0.2642
0.95	246.0	0.1756	0.2196
0.95	258.0	-0.1092	0.1927
0.95	270.0	-0.439	0.1929
0.95	282.0	-0.1819	0.1787

CLAS Physics Database