Measurement E151M310

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:	0.0333
Q²:	0.0121 GeV²
W:	1385.0 GeV
E_beam:	1.3383 GeV
ε:	0.8648

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	234.0	-0.0786	0.4972
0.65	138.0	0.3461	1.0391
0.65	150.0	0.004	1.0179
0.65	222.0	0.0307	0.4979
0.65	234.0	0.4351	0.4387
0.65	246.0	-0.0294	0.4012
0.75	150.0	-0.734	0.6437
0.75	222.0	0.1475	0.5835
0.75	234.0	-0.0792	0.4157
0.85	210.0	-0.3987	0.7586
0.85	222.0	0.7463	1.0701
0.85	234.0	-0.0208	0.7565
0.85	246.0	-0.6992	0.5627
0.75	246.0	1.1027	0.5058
0.85	222.0	0.5743	0.5906
0.85	234.0	1.4878	0.59
0.85	246.0	0.1818	0.5828

CLAS Physics Database