Measurement E151M761

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:	0.7996
Q²:	0.2915 GeV²
W:	1295.0 GeV
E_beam:	2.2596 GeV
ε:	0.9222

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.75	90.0	-0.3999	1.6501
0.75	102.0	2.3592	1.6382
0.75	270.0	-1.3357	1.2246
0.85	90.0	4.1173	1.835
0.85	114.0	-0.1577	1.9632
0.85	270.0	2.303	1.7566
0.85	294.0	2.4337	1.7013
0.85	306.0	0.6899	1.606
0.65	258.0	1.7229	1.7229
0.65	270.0	-0.2617	0.4818
0.75	78.0	0.0741	0.5201
0.75	114.0	0.0978	0.5795
0.75	258.0	0.2557	0.5188
0.75	270.0	0.7982	0.4767
0.75	282.0	-0.4219	0.405
0.75	294.0	-0.189	0.4457
0.85	78.0	-0.2829	0.4984
0.85	102.0	0.2808	0.5857
0.85	246.0	-0.1069	0.5825
0.85	282.0	0.334	0.5739
0.85	306.0	0.0077	0.5345
0.95	306.0	-0.6011	0.754

CLAS Physics Database