CLAS Physics Database

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Measurement E154M8

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Experiment: eg1-dvcs, 2009

Spokespersons: A. Kim

Publication:

A. Kim et al. (CLAS Collaboration) Target and Double Spin Asymmetries of Deeply Virtual π0 Production with a Longitudinally Polarized Proton Target and CLAS // arXiv:1511.03338, submitted to Phys. Lett. B (2016)

Quantity measured: A_UL^sin 2φ,
Target single spin asymmetry sin 2φ moment.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π⁰p, polarization: none

Q² :	2.83 GeV²
x_b :	0.4

Observable quantity measured (Y axis): A_UL^sin 2φ,
Plot measurement data

Parameter (X axis): -t, (GeV/c)^2

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

Measured data:

-t, (GeV/c)^2	A_UL^sin 2φ	Stat. error	Syst. error
0.27	-0.009	0.042	0.029
0.52	-0.029	0.025	0.02
0.88	-0.052	0.027	0.008
1.24	-0.096	0.042	0.036
1.59	-0.165	0.047	0.027