CLAS Physics Database

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Measurement E92M2

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Experiment: EG1B run, 2006

Spokespersons: Volker Burkert

Experiment comment: The experiment data are from EG1b taken from Sep. 2000 to Apr. 2001.

Publication:

S. Chen, H. Avakian, V.D. Burkert, P. Eugenio, and CLAS collaborations Measurement of Deeply Virtual Compton Scattering with a Polarized Proton Target // Phys. Rev. Lett. 97, 072002 (2006)

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

Q² :	1 — 4.2 GeV²
W :	2 — 2.9 GeV
x_b :	0.1 — 0.6
E_γ :	2 — 5 GeV

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

Parameter (X axis): -t, dimensionless

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

Measured data:

-t, dimensionless	A_UL, dimensionless	Data errors, dimensionless	Systematic errors, dimensionless
0.149	0.1837	0.0708	0.01837
0.247	0.3443	0.0744	0.03443
0.437	0.2387	0.0555	0.02387