Epistemic and systematic uncertainties in Monte Carlo simulation: an investigation in proton Bragg peak simulation

(2) State University Rio de Janeiro; (3) Vienna University of Technology; (4) INFN Laboratori Nazionali di Frascati); Anton Lechner (3); Lina Quintieri (4); Marcia Begalli (2); Maria Grazia Pia (1); Paolo Saracco (1) ((1) INFN Sezione di Genova

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Epistemic and systematic uncertainties in Monte Carlo simulation: an investigation in proton Bragg peak simulation

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arxiv 1012.3329 v1 pith:YRKTBE26 submitted 2010-12-15 physics.comp-ph

Maria Grazia Pia (1) , Marcia Begalli (2) , Anton Lechner (3) , Lina Quintieri (4) , Paolo Saracco (1) ((1) INFN Sezione di Genova , (2) State University Rio de Janeiro , (3) Vienna University of Technology , (4) INFN Laboratori Nazionali di Frascati) This is my paper · ORCID

classification physics.comp-ph

keywords simulationepistemicuncertaintiescarloeffectsenergymodelsmonte

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The issue of how epistemic uncertainties affect the outcome of Monte Carlo simulation is discussed by means of a concrete use case: the simulation of the longitudinal energy deposition profile of low energy protons. A variety of electromagnetic and hadronic physics models is investigated, and their effects are analyzed. Possible systematic effects are highlighted. The results identify requirements for experimental measurements capable of reducing epistemic uncertainties in the physics models.

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