BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//linuxsoftware.nz//NONSGML Joyous v1.4//EN
BEGIN:VEVENT
SUMMARY:The Lunar Ionising Radiation Environment - a benchmark model
DTSTART:20251204T090000Z
DTEND:20251204T110000Z
DTSTAMP:20260801T144136Z
UID:aa10d326-73cc-4839-8724-a69623797df4
SEQUENCE:2
CREATED:20251203T094212Z
DESCRIPTION:A Geant4-based Monte Carlo application was developed to model 
 the Galactic Cosmic Ray (GCR) induced radiation environment on the lunar s
 urface. It was adapted from ESA’s detailed Mars Energetic Radiation Envi
 ronment Model\, incorporating lunar-specific geometry and regolith composi
 tion. The simulations use the Badhwar–O’Neill 2020 model to derive the
  GCR spectrum\, reproducing it both in spectra and in solar modulation. Si
 mulations successfully reproduced the expected GCR spectra and solar modul
 ation trends for 2009 (solar minimum) and 2015 (solar maximum). The result
 ing primary and albedo Linear Energy Transfer (LET) spectra showed good ag
 reement with CRaTER measurements aboard the Lunar Reconnaissance Orbiter\,
  accurately capturing the observed spectral shapes. Comparisons with HZETR
 N calculations further confirmed consistent modeling of secondary particle
  production and transport. The simulation framework developed in this work
  establishes a reliable baseline for evaluating lunar radiation hazards an
 d supports future analyses of shielding eWectiveness\, habitat exposure\, 
 and astronaut dosimetry for both short and longduration missions.
LAST-MODIFIED:20251203T094244Z
LOCATION:Online
URL:http://df.vps.tecnico.ulisboa.pt/pt/eventos/the-lunar-ionising-radiati
 on-environment-a-benchmark-model/
X-ALT-DESC;FMTTYPE=text/html:<p data-block-key="qsjcn">A Geant4-based Mont
 e Carlo application was developed to model the Galactic Cosmic Ray (GCR) i
 nduced radiation environment on the lunar surface. It was adapted from ESA
 ’s detailed Mars Energetic Radiation Environment Model\, incorporating l
 unar-specific geometry and regolith composition.<br/><br/> The simulations
  use the Badhwar–O’Neill 2020 model to derive the GCR spectrum\, repro
 ducing it both in spectra and in solar modulation. Simulations successfull
 y reproduced the expected GCR spectra and solar modulation trends for 2009
  (solar minimum) and 2015 (solar maximum). The resulting primary and albed
 o Linear Energy Transfer (LET) spectra showed good agreement with CRaTER m
 easurements aboard the Lunar Reconnaissance Orbiter\, accurately capturing
  the observed spectral shapes.<br/><br/> Comparisons with HZETRN calculati
 ons further confirmed consistent modeling of secondary particle production
  and transport. The simulation framework developed in this work establishe
 s a reliable baseline for evaluating lunar radiation hazards and supports 
 future analyses of shielding eWectiveness\, habitat exposure\, and astrona
 ut dosimetry for both short and longduration missions.</p>
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END:VCALENDAR