Measurement E151M1362

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:	0.1594
Q²:	0.0844 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.6751

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.25	42.0	-1.2606	0.8305
0.55	234.0	-0.2074	0.9218
0.55	246.0	-0.894	0.8738
0.55	258.0	0.028	0.7431
0.65	150.0	-1.6509	0.9188
0.65	234.0	-1.4424	0.7469
0.65	246.0	0.6614	0.7091
0.65	258.0	0.0562	0.7247
0.65	270.0	0.7372	0.7891
0.75	138.0	2.0079	0.882
0.75	150.0	-1.7875	0.82
0.75	162.0	-0.018	0.9417
0.75	174.0	0.6628	0.8821
0.75	234.0	-1.0363	0.7646
0.75	246.0	-1.1434	0.6574
0.75	258.0	0.7673	0.6745
0.75	270.0	-0.74	0.6615
0.85	126.0	0.4174	0.9721
0.85	138.0	0.6019	0.9397
0.85	150.0	0.7248	0.9362
0.85	162.0	0.9151	0.9607
0.85	174.0	-0.6561	0.821
0.85	234.0	0.22	0.7736
0.85	246.0	-0.2202	0.6052
0.85	258.0	0.9318	0.6306
0.85	270.0	0.0405	0.536
0.85	282.0	0.455	0.6586
0.95	258.0	0.8753	0.5836
0.95	270.0	1.9956	1.9956

CLAS Physics Database