Measurement E151M1032

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:	0.5435
Q²:	0.496 GeV²
W:	1445.0 GeV
E_beam:	2.999 GeV
ε:	0.903

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.15	294.0	-0.8405	0.6267	0.0684
0.45	90.0	0.1332	0.754	0.0315
0.45	102.0	1.7936	0.9442	0.1345
0.55	78.0	-0.0875	0.6424	0.0307
0.55	90.0	-0.3289	0.6877	0.0384
0.55	102.0	-0.7074	0.5842	0.0598
0.65	54.0	-1.3852	0.553	0.1056
0.65	78.0	-1.553	0.4323	0.1174
0.65	90.0	0.1391	0.6794	0.0317
0.65	102.0	-0.0809	0.7688	0.0306
0.65	114.0	-0.0524	0.7375	0.0302
0.65	258.0	-1.0718	0.5806	0.0839
0.65	270.0	2.2518	0.8456	0.1673
0.75	54.0	0.1701	0.7621	0.0325
0.75	78.0	-0.135	0.6221	0.0316
0.75	90.0	0.4889	0.7064	0.0467
0.75	102.0	-0.0637	0.6586	0.0304
0.75	114.0	0.5	0.7597	0.0473
0.75	222.0	1.4931	0.9747	0.1132
0.75	246.0	-1.1032	0.5475	0.086
0.75	258.0	-1.1207	0.4719	0.0872
0.75	270.0	0.6813	0.6226	0.0581
0.75	282.0	-1.0332	0.5533	0.0813
0.85	54.0	0.3305	0.6387	0.0385
0.85	78.0	0.4296	0.7671	0.0434
0.85	90.0	-0.2621	0.5992	0.0356
0.85	102.0	1.4245	0.7953	0.1084
0.85	210.0	0.135	0.7513	0.0316
0.85	222.0	0.1418	0.7113	0.0317
0.85	234.0	-0.821	0.5924	0.0671
0.85	246.0	1.7011	0.72	0.1279
0.85	258.0	0.4848	0.7476	0.0464
0.85	270.0	0.4458	0.7187	0.0443
0.85	282.0	-0.0671	0.6383	0.0304
0.85	294.0	-0.5097	0.577	0.0478
0.85	306.0	1.0685	0.6361	0.0837
0.85	318.0	0.1308	0.5774	0.0315
0.95	234.0	-0.5796	0.6316	0.0519
0.95	258.0	-0.2078	0.5936	0.0336
0.95	282.0	1.1697	0.7726	0.0906
0.95	306.0	-0.1589	0.6437	0.0322
0.95	318.0	-0.1355	0.5285	0.0316
0.95	330.0	-0.3572	0.5929	0.0398

CLAS Physics Database