Measurement E151M329

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:	0.0277
Q²:	0.0121 GeV²
W:	1415.0 GeV
E_beam:	1.3383 GeV
ε:	0.8386

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	222.0	0.2521	0.5539	0.0373
0.65	138.0	-0.7981	0.5708	0.0578
0.65	222.0	-0.7286	0.5573	0.0542
0.65	234.0	0.3169	0.4718	0.0358
0.65	246.0	-1.0306	0.5466	0.0705
0.75	150.0	-1.4976	0.5614	0.0975
0.75	222.0	0.7465	0.6138	0.0551
0.75	234.0	-0.8105	0.629	0.0585
0.85	222.0	0.1526	0.6361	0.0315
0.85	234.0	0.7587	0.5989	0.0557
0.85	246.0	0.7979	0.5697	0.0578
0.55	234.0	0.5847	1.1551	0.0463
0.65	222.0	0.5397	1.1686	0.0442
0.65	234.0	-0.0381	0.8198	0.0301
0.65	246.0	0.7003	1.1223	0.0518
0.75	138.0	0.5173	1.0416	0.0432
0.75	234.0	-0.1755	0.7136	0.0318
0.85	210.0	-0.3183	0.7872	0.0356
0.85	222.0	2.1355	1.0277	0.1321
0.85	234.0	-0.2643	0.6353	0.034
0.85	246.0	0.2996	0.9122	0.035

CLAS Physics Database