Measurement E151M1021

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_UL
ε_L:	0.6357
Q²:	0.5925 GeV²
W:	1415.0 GeV
E_beam:	2.999 GeV
ε:	0.8954

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	78.0	0.5621	0.8897
0.45	90.0	0.0693	0.7383
0.55	78.0	0.1143	0.8253
0.55	90.0	2.2723	0.8975
0.65	78.0	0.1461	0.7285
0.65	90.0	0.9727	0.9267
0.65	102.0	-0.5261	0.7411
0.65	114.0	0.0045	0.8076
0.65	270.0	0.3199	0.8462
0.75	54.0	0.1669	0.8082
0.75	78.0	-0.2396	0.7131
0.75	90.0	-0.7837	0.6164
0.75	246.0	-0.9461	0.6483
0.75	258.0	-0.2386	0.747
0.75	282.0	-1.0336	0.5519
0.75	294.0	0.2789	0.7709
0.85	90.0	0.1523	0.7297
0.85	246.0	-0.9063	0.6439
0.85	270.0	0.05	0.6548
0.85	282.0	0.0524	0.6381
0.85	294.0	-0.3423	0.5987
0.85	306.0	-0.72	0.45
0.85	318.0	-0.4737	0.6219
0.85	330.0	0.205	0.6614
0.95	222.0	0.585	0.8095
0.95	258.0	-0.4783	0.6435
0.95	282.0	-0.1667	0.6761
0.95	294.0	0.2144	0.709

CLAS Physics Database