CLAS Physics Database

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Measurement E151M1324

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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 :	0.0023 GeV²
W :	1355 GeV
ε :	0.8132
E_beam :	1.0539 GeV
ε_L:	0.0071

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
0.45	42	-0.107	0.993	0.0323
0.55	42	1.2598	0.7761	0.1452
0.55	54	-2.1026	0.7228	0.239
0.55	222	1.4851	0.6749	0.1702
0.55	234	0.1485	0.821	0.0344
0.55	246	-0.3217	0.5987	0.0471
0.65	30	0.4575	0.9026	0.0597
0.65	42	0.4804	0.7695	0.0619
0.65	54	-0.6992	0.6909	0.0844
0.65	162	-0.1654	0.8952	0.0353
0.65	210	-0.1668	0.915	0.0354
0.65	222	1.0012	0.7659	0.1168
0.65	234	0.2696	0.5314	0.0427
0.65	246	0.0829	0.5307	0.0314
0.65	258	0.9164	0.8711	0.1076
0.75	42	-1.3182	0.7857	0.1517
0.75	54	-0.726	0.8172	0.0872
0.75	150	-1.0767	0.7656	0.1251
0.75	210	0.5347	0.8741	0.0674
0.75	222	-1.1565	0.7467	0.1338
0.75	234	-0.2382	0.6088	0.0403
0.75	246	0.403	0.6817	0.0545
0.75	258	-0.0329	0.8838	0.0302
0.85	138	1.4966	0.7707	0.1714
0.85	222	0.183	0.5999	0.0364
0.85	234	-0.5737	0.6457	0.0713
0.85	246	0.0213	0.6821	0.0301