CLAS Physics Database

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Measurement E25M51

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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 :	2.54 — 2.74 GeV²
x_b :	0.433 — 0.443

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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
0.439	2.74	0.347	15.696	0.312	0.151
0.439	2.72	0.351	45.698	-0.055	0.139
0.441	2.72	0.35	72.788	-0.078	0.152
0.443	2.66	0.367	103.819	0.291	0.263
0.434	2.55	0.396	129.907	0.179	0.478
0.433	2.54	0.386	236.278	-1.326	3.312
0.435	2.65	0.349	254.807	-0.096	0.256
0.438	2.64	0.347	283.688	-0.055	0.294
0.439	2.74	0.347	317.576	-0.058	0.125
0.439	2.73	0.346	345.028	0.02	0.115