CLAS Physics Database

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Measurement E151M1256

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

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).

No publications available for this experiment

Quantity measured: A_LL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π⁺n, polarization: none

Q² :	0.0844 GeV²
W :	1235 GeV
ε :	0.8524
E_beam :	1.0539 GeV
ε_L:	0.4767

Select data slice:
cos(θ_π⁺) =

Observable quantity measured (Y axis): A_LL,
Plot measurement data

Parameter (X axis): φ(π⁺), degrees

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θ_π⁺)	φ(π⁺), degrees	A_LL	Stat. error	Syst. error
0.05	42	-0.5777	0.5723	0.0717
0.15	30	-0.9596	0.601	0.1123
0.15	42	0.354	0.5346	0.0499
0.15	54	-0.8819	0.6921	0.1039
0.25	42	-0.0382	0.6371	0.0303
0.35	282	-0.7751	0.5473	0.0924
0.35	294	0.4213	0.5789	0.0562
0.45	270	-0.0629	0.4522	0.0308
0.45	282	-0.0463	0.4588	0.0305
0.45	294	-1.0482	0.4502	0.122
0.55	258	-0.5162	0.5271	0.0655
0.55	270	0.5343	0.3498	0.0673
0.55	282	-0.0233	0.3258	0.0301
0.55	294	0.51	0.4884	0.0649
0.65	246	0.46	0.6135	0.0599
0.65	258	-0.435	0.3702	0.0575
0.65	270	0.1587	0.3197	0.0349
0.65	282	0.0918	0.3574	0.0317
0.65	294	-0.0693	0.4197	0.031
0.75	246	-0.5028	0.4441	0.0642
0.75	258	-0.4954	0.3919	0.0634
0.75	270	0.191	0.3287	0.0369
0.75	282	-0.324	0.3824	0.0473
0.75	294	-0.8064	0.4927	0.0958
0.85	114	0.9868	0.4955	0.1153
0.85	126	0.1682	0.5364	0.0355
0.85	138	0.6898	0.4001	0.0834
0.85	150	-0.2873	0.5262	0.0442
0.85	162	0.8179	0.3914	0.097
0.85	174	0.0472	0.433	0.0305
0.85	186	0.5018	0.4993	0.0641
0.85	198	-0.5116	0.4333	0.065
0.85	210	0.5597	0.4607	0.0699
0.85	222	0.6544	0.5684	0.0797
0.85	246	-0.0962	0.5066	0.0319
0.85	258	0.3764	0.5626	0.052
0.85	270	-0.5899	0.4245	0.073
0.85	282	-0.0543	0.4088	0.0306
0.95	126	-0.2912	0.4411	0.0445
0.95	138	0.5803	0.4049	0.072
0.95	150	0.4311	0.3234	0.0571
0.95	162	-0.1489	0.3586	0.0344
0.95	174	0.3066	0.3527	0.0458
0.95	186	-0.1381	0.4067	0.0338
0.95	198	0.9431	0.3588	0.1105
0.95	210	-0.2249	0.3894	0.0393
0.95	222	0.1609	0.4475	0.0351
0.95	234	0.0103	0.4504	0.03