CLAS Physics Database

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Measurement E25M54

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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 :	2.71 — 2.82 GeV²
x_b :	0.427 — 0.453

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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
0.453	2.82	1.26	20.771	-0.144	0.096
0.451	2.79	1.282	43.627	0.077	0.065
0.444	2.72	1.327	74.523	0	0.098
0.449	2.75	1.338	103.682	-0.041	0.149
0.445	2.73	1.294	133.312	0.064	0.111
0.427	2.74	1.3	150.234	-1.248	1.248
0.441	2.71	1.333	227.311	0.148	0.157
0.446	2.72	1.452	257.656	-0.117	0.106
0.445	2.72	1.399	285.132	-0.131	0.105
0.449	2.81	1.3	316.587	-0.11	0.063
0.447	2.73	1.256	340.127	-0.058	0.086