Measurement E151M432

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:	0.0548
Q²:	0.0707 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.5916

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	222.0	0.3219	0.6177	0.0372
0.55	234.0	0.1034	0.6408	0.0532
0.65	234.0	0.8185	0.7523	0.0589
0.65	246.0	1.0005	0.7225	0.0688
0.75	138.0	-0.0641	0.6659	0.0303
0.75	162.0	-1.0519	0.6685	0.0717
0.75	222.0	0.7995	0.7141	0.0579
0.75	246.0	0.6288	0.5917	0.0492
0.85	222.0	-0.1565	0.7218	0.0315
0.85	234.0	-1.1108	0.5976	0.075
0.85	246.0	-0.6002	0.5717	0.0478
0.85	258.0	0.9684	0.7012	0.067
0.95	138.0	-0.2494	0.6357	0.0337
0.55	246.0	-0.079	1.0366	0.0304
0.65	222.0	-0.9228	0.6769	0.0631
0.65	234.0	1.2219	1.1909	0.0795
0.75	234.0	-0.0249	1.0337	0.03
0.75	246.0	0.5255	1.0194	0.0436
0.75	258.0	1.9516	1.3449	0.1213
0.85	234.0	0.3361	0.871	0.0362
0.85	246.0	0.6906	0.8543	0.0513

CLAS Physics Database