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@ARTICLE{Theodoridou:307447,
      author       = {E. Theodoridou$^*$ and R. Dong$^*$ and C. King$^*$ and G.
                      Poludniowski and P. Häring$^*$ and E. Hain$^*$ and C.
                      Litou$^*$ and E. Voutou$^*$ and P. Foka and N. Sammut and J.
                      Seco$^*$ and M. F. Spadea},
      title        = {{M}onte {C}arlo simulation of a cabinet kilovoltage {X}-ray
                      irradiator.},
      journal      = {Physica medica},
      volume       = {141},
      issn         = {1120-1797},
      address      = {Amsterdam},
      publisher    = {Elsevier},
      reportid     = {DKFZ-2025-03046},
      pages        = {105708},
      year         = {2026},
      note         = {#EA:E041#LA:E041# / Volume 141, January 2026, 105708 /
                      Available online 22 December 2025},
      abstract     = {We present a rigorously defined dosimetric Monte Carlo (MC)
                      model of the MultiRad225 kilovoltage X-ray irradiator, which
                      is validated using experimental techniques. Previous MC
                      studies performed with the MultiRad225 lacked rigorous
                      dosimetric validation.Experimental measurements are
                      conducted with an ionization chamber and radiochromic film
                      with beam energies of 119, 160, and 200 kV. MC simulations
                      are conducted mimicking each experiment. Both beam quality
                      (half-value layer, HVL) and quantity (dose rate) are
                      assessed with these methods.MC simulated dose rates and HVL
                      values show close agreement with experimental results across
                      varying source-to-surface distances (SSD) for each beam
                      energy with most dose rate simulations falling within $5\%$
                      of the experimentally measured values.This work provides a
                      validated MC model as a foundation for future studies with
                      the MultiRad225. The MC model utilizes a comprehensive
                      geometry which accurately captures relevant physical
                      phenomena.},
      keywords     = {Dosimetry (Other) / Half-value layer (HVL) (Other) /
                      Kilovoltage X-ray irradiator (Other) / Monte Carlo
                      simulation (Other)},
      cin          = {E041},
      ddc          = {610},
      cid          = {I:(DE-He78)E041-20160331},
      pnm          = {315 - Bildgebung und Radioonkologie (POF4-315)},
      pid          = {G:(DE-HGF)POF4-315},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:41435552},
      doi          = {10.1016/j.ejmp.2025.105708},
      url          = {https://inrepo02.dkfz.de/record/307447},
}