CLAS Physics Database

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Measurement E25M57

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Experiment: e1-dvcs E06-003, 2007

Spokespersons: V. D. Burkert, L. Elouadrhiri, M. Gar�on, S. Stepanyan

Publication:

R. De Masi, M. Gar�on, B. Zhao, and CLAS Collaboration Beam spin asymmetry in deep and exclusive π⁰ electroproduction // arXiv:0711.4736

Quantity measured: A, dimensionless
Beam spin asymmetry.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: none
Final state: π⁰p, polarization: none

Q² :	3.08 — 3.4 GeV²
x_b :	0.427 — 0.487

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

Measured data:

x, dimensionless	Q², GeV2	-t, GeV2	φ, deg	A, dimensionless	Data errors, dimensionless
0.487	3.4	0.774	15.773	0.029	0.054
0.474	3.35	0.782	45.969	0.199	0.047
0.473	3.39	0.771	69.725	0.047	0.067
0.47	3.32	0.759	105.33	-0.018	0.16
0.462	3.24	0.814	134.075	-0.045	0.18
0.443	3.26	0.827	150.616	1.238	2.96
0.427	3.08	0.886	201.7	-0.181	0.485
0.447	3.23	0.806	225.135	0	0.254
0.478	3.36	0.746	255.895	0.06	0.165
0.468	3.33	0.775	289.533	-0.118	0.07
0.475	3.35	0.783	315.714	-0.065	0.045
0.482	3.37	0.774	343.295	0.013	0.05