Measurement E151M1359

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_LL
ε_L:	0.1059
Q²:	0.0496 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.7168

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.25	42.0	1.2314	0.8641	0.1421
0.25	54.0	-0.3354	1.0388	0.0483
0.35	30.0	0.1927	1.0098	0.037
0.35	42.0	0.7781	0.6366	0.0927
0.35	54.0	2.2896	0.6939	0.26
0.45	30.0	0.5477	0.8151	0.0687
0.45	42.0	0.3079	0.7818	0.0459
0.45	54.0	-1.6621	0.9119	0.1898
0.45	246.0	1.7621	0.9086	0.201
0.55	42.0	-1.3069	0.9399	0.1504
0.55	234.0	-0.2773	0.6466	0.0433
0.55	246.0	0.1521	0.6447	0.0346
0.55	258.0	-0.2017	0.5983	0.0377
0.65	138.0	0.2111	0.8178	0.0383
0.65	150.0	0.4016	0.8432	0.0543
0.65	162.0	1.1616	0.8523	0.1344
0.65	174.0	-1.8645	0.8605	0.2124
0.65	222.0	-0.1807	0.7021	0.0363
0.65	234.0	0.566	0.6419	0.0705
0.65	246.0	0.1375	0.5733	0.0338
0.65	258.0	-0.2588	0.5369	0.0419
0.65	270.0	-0.5823	0.6745	0.0722
0.75	126.0	-0.2824	1.0306	0.0438
0.75	138.0	1.7717	0.6854	0.2021
0.75	150.0	-0.2472	0.7028	0.041
0.75	162.0	0.6981	0.7861	0.0843
0.75	210.0	0.1517	0.9597	0.0345
0.75	222.0	-0.1129	0.6977	0.0326
0.75	234.0	0.6006	0.6507	0.0741
0.75	246.0	0.275	0.523	0.0432
0.75	258.0	-0.2746	0.5079	0.0431
0.75	270.0	1.0265	0.6338	0.1196
0.85	138.0	1.3596	0.7894	0.1563
0.85	150.0	0.441	0.8837	0.0581
0.85	162.0	1.2292	0.8223	0.1419
0.85	174.0	-0.2662	0.8651	0.0424
0.85	234.0	0.5689	0.5825	0.0708
0.85	246.0	-0.0871	0.5116	0.0316
0.85	258.0	-0.084	0.526	0.0315
0.85	270.0	-0.2028	0.4653	0.0377
0.95	126.0	-0.2799	0.8159	0.0436
0.95	234.0	0.8365	0.6623	0.099
0.95	246.0	0.2213	0.6443	0.039
0.95	258.0	0.412	0.5252	0.0553
0.95	270.0	-0.6807	0.6707	0.0824

CLAS Physics Database