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
0.65	246.0	-0.2338	0.9159
0.65	258.0	0.4535	0.6048
0.75	102.0	0.3999	0.6654
0.75	114.0	0.6716	0.7601
0.75	126.0	0.6413	1.1372
0.75	234.0	-0.3935	1.047
0.75	270.0	-0.5373	0.6316
0.75	282.0	0.1877	0.5782
0.75	294.0	-0.3402	0.5512
0.85	90.0	-0.3746	0.7996
0.85	102.0	-0.8923	0.6739
0.85	114.0	0.4889	0.601
0.85	126.0	-0.6644	0.5282
0.85	138.0	0.8816	0.6102
0.85	150.0	1.8204	0.7566
0.85	162.0	0.4111	1.0956
0.85	174.0	0.0122	1.2235
0.85	234.0	-0.24	0.8177
0.85	246.0	-1.105	0.834
0.95	66.0	1.8927	0.5961
0.95	126.0	0.8022	0.8491
0.95	138.0	-1.4933	0.7917
0.95	270.0	2.0038	2.0038
0.85	258.0	0.4504	0.6781
0.85	282.0	-0.6548	0.731
0.85	294.0	0.8801	0.7427
0.85	306.0	0.6608	0.7241
0.95	54.0	1.0844	0.6818
0.95	114.0	1.2654	0.6891
0.95	126.0	-0.1464	0.7323
0.95	138.0	1.8404	0.6854
0.95	150.0	0.0481	0.725

CLAS Physics Database