CLAS Physics Database

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Measurement E25M40

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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 :	2.33 — 2.44 GeV²
x_b :	0.356 — 0.377

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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
0.359	2.35	1.34	22.941	0.163	0.082
0.356	2.35	1.276	44.897	0.103	0.044
0.362	2.35	1.365	74.774	0.132	0.068
0.374	2.38	1.408	101.076	0	0.1
0.377	2.42	1.305	134.977	0.07	0.1
0.377	2.44	1.208	158.635	0.141	0.332
0.357	2.33	1.244	202.697	0.147	0.151
0.371	2.38	1.352	224.781	-0.168	0.105
0.367	2.37	1.399	256.222	0.095	0.075
0.362	2.36	1.336	284.419	-0.077	0.06
0.359	2.36	1.298	316.004	-0.058	0.045
0.362	2.36	1.381	337.575	-0.013	0.079