Measurement E151M1472

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:	0.7443
Q²:	0.2445 GeV²
W:	1265.0 GeV
E_beam:	1.3383 GeV
ε:	0.8039

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	270.0	0.1424	0.5559
0.65	258.0	0.4447	0.7218
0.65	282.0	0.5909	0.6814
0.75	114.0	0.101	0.6834
0.75	258.0	-0.2813	0.7233
0.75	270.0	0.4152	0.6985
0.75	294.0	-0.9638	0.6697
0.85	90.0	0.7066	0.718
0.85	114.0	-0.2405	0.6725
0.85	126.0	0.7145	0.6456
0.85	138.0	0.9036	0.6895
0.85	282.0	-0.7024	0.6632
0.95	114.0	0.4494	0.5787
0.95	138.0	1.0124	0.576
0.95	150.0	0.679	0.5721
0.55	282.0	0.5995	0.7902
0.65	258.0	1.368	0.7745
0.65	270.0	-0.0916	0.8908
0.65	282.0	0.7823	0.859
0.65	294.0	-0.3196	0.8451
0.75	246.0	-1.6889	0.4633
0.75	258.0	0.3484	0.9844
0.75	282.0	-1.1981	0.7334
0.85	90.0	-0.5043	0.9478
0.85	102.0	-0.0057	0.9438
0.85	126.0	1.689	0.7758
0.85	138.0	-0.0215	0.94
0.85	270.0	-0.8947	0.7403
0.85	282.0	0.3424	0.9186
0.85	294.0	1.1167	0.9657

CLAS Physics Database