Measurement E151M2745

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:	0.2309
Q²:	0.0844 GeV²
W:	1355.0 GeV
E_beam:	1.3383 GeV
ε:	0.84

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	258.0	-0.7527	0.126
0.55	270.0	0.0413	0.1838
0.65	114.0	-0.2466	0.2739
0.65	126.0	-0.0266	0.2155
0.65	138.0	0.28	0.1653
0.65	234.0	-0.1877	0.1819
0.65	246.0	0.1354	0.1698
0.65	258.0	0.0211	0.1597
0.65	270.0	0.0008	0.1834
0.75	114.0	-0.298	0.1954
0.75	126.0	0.1524	0.1495
0.75	138.0	0.0507	0.166
0.75	150.0	0.1321	0.2326
0.75	162.0	-0.4082	0.2491
0.75	222.0	-0.6907	0.1333
0.75	234.0	-0.2133	0.1465
0.75	246.0	-0.0611	0.154
0.75	258.0	0.0569	0.1591
0.75	270.0	-0.062	0.1627
0.75	282.0	0.2932	0.1957
0.85	114.0	-0.244	0.1704
0.85	126.0	0.2941	0.1443
0.85	138.0	0.1349	0.1592
0.85	150.0	-0.3204	0.149
0.85	162.0	-0.2322	0.2456
0.85	174.0	-0.7884	0.1665
0.85	222.0	-0.0468	0.1788
0.85	234.0	0.1009	0.1683
0.85	246.0	-0.0051	0.1414
0.85	258.0	-0.0588	0.148
0.85	270.0	-0.0097	0.1501
0.85	282.0	-0.2869	0.1278
0.95	78.0	0.0509	0.2778
0.95	90.0	-0.02	0.1795
0.95	102.0	0.2518	0.1849
0.95	114.0	0.6759	0.1428
0.95	138.0	0.4153	0.3007
0.95	222.0	0.4268	0.2491
0.95	234.0	-0.1242	0.1914
0.95	246.0	-0.2396	0.1594
0.95	258.0	-0.2889	0.1563
0.95	270.0	0.0226	0.1685
0.95	282.0	0.0768	0.205

CLAS Physics Database