CLAS Physics Database

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Measurement E154M9

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Experiment: eg1-dvcs, 2009

Spokespersons: A. Kim

Measurement comment: Double spin asymmetry moments

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_LL^const,
Double single spin asymmetry 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_LL^const,
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_LL^const	Data errors	Systematic errors
0.15	0.59	0.029	0.018
0.26	0.589	0.027	0.03
0.49	0.562	0.034	0.031
0.92	0.392	0.029	0.025
1.46	0.215	0.036	0.037