Measurement E151M1510

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:	0.5193
Q²:	0.2445 GeV²
W:	1325.0 GeV
E_beam:	1.3383 GeV
ε:	0.7562

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.65	246.0	-0.2338	0.9159	0.0331
0.65	258.0	0.4535	0.6048	0.0403
0.75	102.0	0.3999	0.6654	0.0398
0.75	114.0	0.6716	0.7601	0.0509
0.75	126.0	0.6413	1.1372	0.0479
0.75	234.0	-0.3935	1.047	0.0377
0.75	270.0	-0.5373	0.6316	0.0535
0.75	282.0	0.1877	0.5782	0.032
0.75	294.0	-0.3402	0.5512	0.0458
0.85	90.0	-0.3746	0.7996	0.0375
0.85	102.0	-0.8923	0.6739	0.0613
0.85	114.0	0.4889	0.601	0.0615
0.85	126.0	-0.6644	0.5282	0.0709
0.85	138.0	0.8816	0.6102	0.0621
0.85	150.0	1.8204	0.7566	0.1128
0.85	162.0	0.4111	1.0956	0.0384
0.85	174.0	0.0122	1.2235	0.03
0.85	234.0	-0.24	0.8177	0.0333
0.85	246.0	-1.105	0.834	0.0709
0.95	66.0	1.8927	0.5961	0.1141
0.95	126.0	0.8022	0.8491	0.0555
0.95	138.0	-1.4933	0.7917	0.0919
0.95	270.0	2.0038	2.0038	0.1203
0.85	258.0	0.4504	0.6781	0.0404
0.85	282.0	-0.6548	0.731	0.0494
0.85	294.0	0.8801	0.7427	0.0607
0.85	306.0	0.6608	0.7241	0.0497
0.95	54.0	1.0844	0.6818	0.0716
0.95	114.0	1.2654	0.6891	0.0816
0.95	126.0	-0.1464	0.7323	0.0313
0.95	138.0	1.8404	0.6854	0.1143
0.95	150.0	0.0481	0.725	0.0301

CLAS Physics Database