Measurement E151M748

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:	0.869
Q²:	0.2445 GeV²
W:	1265.0 GeV
E_beam:	2.2596 GeV
ε:	0.9385

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	282.0	4.2216	1.6221	0.3908
0.65	282.0	0.3393	1.6616	0.0434
0.75	90.0	1.8363	2.0719	0.1721
0.75	102.0	-4.543	1.4414	0.4204
0.75	270.0	-0.9256	1.6526	0.0905
0.75	282.0	0.7765	1.5744	0.0777
0.75	294.0	2.4234	1.8342	0.2257
0.85	270.0	-0.9905	1.7535	0.0962
0.85	282.0	6.1534	6.1534	0.5687
0.85	294.0	-1.0624	1.4481	0.1025
0.95	78.0	-8.9784	5.0145	0.8292
0.95	102.0	7.0438	6.043	0.6508
0.25	66.0	0.2212	0.4642	0.0333
0.65	270.0	0.1423	0.4505	0.0314
0.65	282.0	-0.1855	0.4162	0.0324
0.75	78.0	0.0259	0.4627	0.03
0.75	90.0	-0.4789	0.4269	0.0434
0.75	270.0	-0.0771	0.4213	0.0304
0.75	282.0	0.4242	0.4458	0.0409
0.85	78.0	0.479	0.5252	0.0435
0.85	90.0	-0.165	0.4397	0.0319
0.85	102.0	0.3025	0.5241	0.036
0.85	114.0	-0.1754	0.5585	0.0321
0.85	246.0	-0.1022	0.4785	0.0307
0.85	258.0	0.0315	0.5284	0.0301
0.85	282.0	-0.1106	0.4475	0.0309
0.95	270.0	0.0567	0.8334	0.0302

CLAS Physics Database