CLAS Physics Database

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Measurement E25M11

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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 :	1.53 — 1.63 GeV²
x_b :	0.174 — 0.195

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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
0.195	1.63	0.107	17.219	5.708	18.88
0.183	1.58	0.149	51.357	0.237	0.19
0.177	1.55	0.149	76.918	0.025	0.079
0.177	1.55	0.152	103.591	0.023	0.067
0.174	1.53	0.151	136.833	-0.008	0.071
0.176	1.54	0.152	163.685	-0.107	0.079
0.176	1.56	0.147	196.034	-0.068	0.073
0.177	1.55	0.153	224.942	0.06	0.072
0.175	1.54	0.153	256.064	0.026	0.063
0.177	1.55	0.152	281.872	-0.009	0.081
0.181	1.56	0.143	307.631	0.085	0.222
0.192	1.59	0.113	345.333	0.425	0.635