Measurement E151M347

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:	0.0194
Q²:	0.0101 GeV²
W:	1445.0 GeV
E_beam:	1.3383 GeV
ε:	0.8102

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	222.0	-0.1446	0.6798	0.0313
0.55	234.0	0.3417	0.4766	0.0368
0.65	138.0	-1.1436	0.7105	0.0751
0.65	222.0	1.4708	0.6483	0.0959
0.65	234.0	0.2936	0.5276	0.0358
0.75	162.0	0.5908	1.2553	0.0465
0.75	222.0	0.7743	1.1569	0.0554
0.75	234.0	0.4316	0.9441	0.0397
0.85	210.0	-0.3882	0.7986	0.038
0.85	222.0	-0.5066	0.6849	0.0428
0.85	234.0	-1.0974	0.5452	0.0726
0.65	246.0	-0.5611	0.6482	0.0459
0.75	234.0	0.9719	0.5256	0.0672
0.75	246.0	0.996	0.6562	0.0686
0.85	234.0	-0.4733	0.6441	0.0419

CLAS Physics Database