Measurement E151M1363

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_LL
ε_L:	0.1796
Q²:	0.101 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.6553

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.55	246.0	-0.9426	0.7487	0.1105
0.55	258.0	0.1539	0.9753	0.0347
0.55	270.0	-0.738	0.7732	0.0885
0.65	138.0	0.1868	1.0647	0.0367
0.65	246.0	1.0323	0.6821	0.1202
0.65	258.0	-0.3647	0.7449	0.0509
0.65	270.0	-0.6413	0.746	0.0783
0.75	138.0	-0.8028	0.9492	0.0954
0.75	186.0	-1.5752	0.8644	0.1802
0.75	222.0	-0.2762	0.8917	0.0432
0.75	234.0	-0.1076	0.7837	0.0324
0.75	246.0	1.2335	0.8257	0.1423
0.75	258.0	0.7405	0.7028	0.0887
0.75	270.0	0.3089	0.7275	0.046
0.85	126.0	-0.9975	0.8804	0.1164
0.85	138.0	1.251	0.858	0.1443
0.85	162.0	1.4434	0.7687	0.1655
0.85	234.0	0.4897	0.7846	0.0629
0.85	246.0	-0.6949	0.8491	0.0839
0.85	258.0	-0.3979	0.6563	0.054
0.85	270.0	-0.373	0.6269	0.0517
0.85	282.0	0.566	0.7652	0.0705
0.95	162.0	0.6253	0.7613	0.0766
0.95	258.0	0.7338	0.684	0.088

CLAS Physics Database