PURPOSE: , for several ion chamber types. METHODS: factors. RESULTS: factors measured here differ by up to 1.3% compared to those in TG-51, an important change for reference dosimetry measurements. CONCLUSIONS: factors for eight plane-parallel and six cylindrical ion chambers will impact future updates of reference dosimetry protocols by providing some of the highest quality measurements of this crucial dosimetric parameter.
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Muir et al. (2017) studied this question.
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