Measurement E151M2165

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:	1.3335
Q²:	0.2915 GeV²
W:	1205.0 GeV
E_beam:	2.999 GeV
ε:	0.9677

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.45	282.0	0.5149	0.6017
0.55	282.0	0.6122	0.6703
0.55	294.0	-0.4242	0.5741
0.65	66.0	-0.102	0.7397
0.65	282.0	0.4106	0.5652
0.65	294.0	0.8475	0.6035
0.75	66.0	-1.3952	0.5479
0.75	78.0	0.0037	0.5894
0.75	90.0	-0.4026	0.688
0.75	270.0	-0.1596	0.6934
0.75	282.0	-0.5835	0.56
0.75	294.0	0.7343	0.5455
0.85	54.0	-1.2659	0.5524
0.85	66.0	-0.4447	0.5984
0.85	78.0	-0.3838	0.6091
0.85	90.0	0.3585	0.6523
0.85	102.0	0.1989	0.6625
0.85	294.0	-0.3868	0.6109
0.95	42.0	0.2309	0.5406
0.95	54.0	-0.0178	0.6429
0.95	66.0	-0.3948	0.5755
0.95	78.0	-0.0066	0.6463
0.95	90.0	-0.6043	0.6253

CLAS Physics Database