Measurement E151M2490

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:	0.099
Q²:	0.0171 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.8899

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	42.0	-0.1264	0.1777
0.25	54.0	0.0967	0.1783
0.35	30.0	-0.0278	0.2455
0.35	42.0	-0.1307	0.1895
0.35	54.0	-0.1485	0.1939
0.35	66.0	-0.1248	0.2529
0.45	30.0	0.2066	0.1789
0.45	42.0	0.0899	0.1688
0.45	54.0	0.0501	0.1948
0.45	258.0	-0.1929	0.1799
0.45	270.0	-0.2888	0.1728
0.55	30.0	-0.252	0.2506
0.55	42.0	0.1706	0.1998
0.55	54.0	-0.1023	0.1951
0.55	234.0	-0.4712	0.1715
0.55	246.0	-0.0003	0.1361
0.55	258.0	-0.013	0.1294
0.55	270.0	0.1369	0.1398
0.55	282.0	0.1849	0.2157
0.65	138.0	0.1414	0.2332
0.65	150.0	0.0911	0.1828
0.65	162.0	0.0813	0.2134
0.65	174.0	-0.0327	0.1999
0.65	186.0	-0.1658	0.2404
0.65	222.0	-0.1176	0.2042
0.65	234.0	0.1323	0.1339
0.65	246.0	-0.1515	0.106
0.65	258.0	-0.1108	0.1104
0.65	270.0	0.1067	0.1341
0.65	282.0	0.0769	0.2234
0.75	138.0	-0.1385	0.1839
0.75	150.0	0.0865	0.1542
0.75	162.0	0.138	0.1514
0.75	174.0	-0.0185	0.1404
0.75	186.0	-0.0376	0.1534
0.75	198.0	-0.0529	0.1907
0.75	210.0	0.1594	0.2303
0.75	222.0	-0.1933	0.1628
0.75	234.0	-0.1337	0.1384
0.75	246.0	-0.0387	0.1132
0.75	258.0	-0.0766	0.1113
0.75	270.0	-0.0604	0.1314
0.75	282.0	-0.1938	0.1906
0.85	138.0	-0.1057	0.2039
0.85	150.0	-0.2291	0.1892
0.85	162.0	-0.0616	0.1585
0.85	174.0	0.0369	0.1719
0.85	186.0	0.3684	0.1803
0.85	198.0	-0.1125	0.2061
0.85	210.0	0.0438	0.2187
0.85	222.0	0.0124	0.1964
0.85	234.0	-0.0724	0.1523
0.85	246.0	0.1194	0.1227
0.85	258.0	0.0258	0.1462
0.85	270.0	-0.1021	0.1769

CLAS Physics Database