CLAS Physics Database

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Measurement E154M7

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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 :	1.94 GeV²
x_b :	0.25

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	Data errors	Systematic errors
0.15	-0.044	0.036	0.043
0.26	-0.062	0.032	0.025
0.49	-0.096	0.037	0.02
0.92	-0.137	0.036	0.016
1.46	-0.121	0.042	0.012