Measurement E151M1982

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:	0.7404
Q²:	0.2445 GeV²
W:	1295.0 GeV
E_beam:	2.2596 GeV
ε:	0.9321

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.65	270.0	2.1283	1.5413
0.75	90.0	-1.9529	1.8898
0.75	102.0	-1.5576	1.6519
0.75	270.0	0.6176	1.6449
0.75	294.0	0.626	1.4925
0.85	90.0	-1.5481	2.1205
0.85	102.0	3.2595	2.1035
0.85	114.0	0.9954	1.9616
0.85	270.0	-2.3963	1.8688
0.85	282.0	0.2443	1.8661
0.95	90.0	0.318	5.1446
0.95	282.0	1.8275	5.3734
0.95	306.0	-0.1169	5.061
0.55	270.0	-0.5237	0.6008
0.65	282.0	0.6865	0.5601
0.75	90.0	0.2925	0.526
0.75	102.0	-0.5375	0.5289
0.75	246.0	0.027	0.6896
0.75	270.0	-0.2369	0.5814
0.75	282.0	0.1755	0.5341
0.75	294.0	0.2414	0.5727
0.85	78.0	0.3534	0.5849
0.85	90.0	-0.624	0.6031
0.85	102.0	-0.7454	0.5809
0.85	114.0	0.533	0.6485
0.85	246.0	-0.0758	0.7073
0.85	258.0	0.1991	0.5772
0.85	270.0	0.9863	0.4694
0.85	282.0	0.1696	0.5228
0.85	294.0	-0.0377	0.4973
0.85	306.0	0.559	0.6164
0.95	78.0	-0.0374	1.0297
0.95	114.0	2.3187	0.9538
0.95	126.0	-0.2607	1.0254
0.95	306.0	0.5369	0.9883

CLAS Physics Database