AT.beam.par.technical.to.physical: AT.beam.par.technical.to.physical

In libamtrack: Computational Routines for Proton and Ion Radiotherapy

Description

Converts technical, accelerator parameters of a symmetric, double lateral Gaussian shape beam, i.e. total number of particles and FWHM to physical beam parameters, i.e. central (=peak) fluence and width (= 1 standard deviation)

Usage

AT.beam.par.technical.to.physical(N, FWHM.mm)

Arguments

N	absolute particle numbers (array of size n).
FWHM.mm	FWHMs (in mm) (array of size n).

Value

fluence.cm2	resulting fluence in beam center (array of size n)
sigma.cm	resulting beam width stdev (array of size n)

See Also

View the C source code here: http://sourceforge.net/apps/trac/libamtrack/browser/tags/0.6.3/src/AT_PhysicsRoutines.c#L443

Examples

# Get peak dose of a 142.66 MeV protons in Alox
# from technical beam parameters
peak.fluence.cm2 <- AT.beam.par.technical.to.physical(  N        = 3.2e8, 
                                                        FWHM.mm  = 15.2)[1]
AT.dose.Gy.from.fluence.cm2( E.MeV.u     = 142.66,
                             particle.no =
 AT.particle.no.from.particle.name("1H"),
                             material.no =
 AT.material.no.from.material.name("Aluminum Oxide"),
                             fluence.cm2 = peak.fluence.cm2,
                             stopping.power.source.no = 2)

libamtrack documentation built on May 1, 2019, 6:47 p.m.