CLAS Physics Database

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Measurement E42M2

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Experiment: eg1b, 2000

Spokespersons: H.Avakian

Publication:

H. Avakian, P. Bosted, V.D. Burkert, L. Elouadrhiri, and CLAS Collaboration Measurement of Single and Double Spin Asymmetries in Deep Inelastic Pion Electroproduction with a Longitudinally Polarized Target // Phys. Rev. Lett. 105:262002,2010

Quantity measured: A₁, dimensionless
Double-spin asymmetry.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π⁺+X, polarization: none

Q² :	0 GeV²
P_T:	62 — 938 MeV

Observable quantity measured (Y axis): A₁, dimensionless
Plot measurement data

Parameter (X axis): P_T, GeV

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

Measured data:

P_T, GeV	A₁, dimensionless	Data errors, dimensionless	Systematic errors, dimensionless
0.062	0.413	0.0559	0.026
0.188	0.344	0.0304	0.025
0.312	0.3401	0.0231	0.024
0.438	0.3282	0.0226	0.023
0.562	0.3491	0.0265	0.022
0.688	0.304	0.0403	0.025
0.812	0.2831	0.0628	0.033
0.938	-0.0179	0.1158	0.035