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Characterization of Recombination Effects in a Liquid Ionization Chamber Used for the Dosimetry of a Radiosurgical Accelerator
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Non-diverging analytic expression for the on-axis sensitivity of converging collimators: analytic derivation

R Accorsi1, S D Metzler

  • 1Department of Radiology, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA. accorsi@email.chop.edu

Physics in Medicine and Biology
|October 19, 2006
PubMed
Summary

A new analytical formula resolves sensitivity divergence issues in converging collimators. This formula offers improved applicability and defines new operational ranges for collimator design.

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