Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Rafael Kranzer"'
Autor:
Karolina Kokurewicz, Andreas Schüller, Enrico Brunetti, Anna Subiel, Rafael Kranzer, Thomas Hackel, Markus Meier, Ralf-Peter Kapsch, Dino A. Jaroszynski
Publikováno v:
Frontiers in Physics, Vol 8 (2020)
We have performed dosimetry studies using electron beams with energies up to 50 MeV, which exceed current clinical energy ranges and approaches the bottom end of the very high energy electron range. 50 MeV electron beams can reach deep-seated tumors.
Externí odkaz:
https://doaj.org/article/1164d0e9be6547fc8c3519eaf49f8e4b
Autor:
Alexandra Bourgouin, Andreas Schüller, Thomas Hackel, Rafael Kranzer, Daniela Poppinga, Ralf-Peter Kapsch, Malcolm McEwen
Publikováno v:
Frontiers in Physics, Vol 8 (2020)
An aluminum calorimeter was investigated as a possible real-time dosimeter for electron beams with an ultra-high dose per pulse (DPP), as used in FLASH radiation therapy (a few Gy/pulse). Ionization chambers, the most widely used active dosimeter typ
Externí odkaz:
https://doaj.org/article/9a749645fdac4ad6af61fab0e74836d0
Autor:
Faustino Gómez, Diego M. Gonzalez‐Castaño, Nicolás Gómez Fernández, Juan Pardo‐Montero, Andreas Schüller, Alessia Gasparini, Verdi Vanreusel, Dirk Verellen, Giuseppe Felici, Rafael Kranzer, Jose Paz‐Martín
Publikováno v:
Medical physics
Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
instname
Minerva. Repositorio Institucional de la Universidad de Santiago de Compostela
instname
Background Conventional air ionization chambers (ICs) exhibit ion recombination correction factors that deviate substantially from unity when irradiated with dose per pulse magnitudes higher than those used in conventional radiotherapy. This fact mak
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bcfdfd70be5c0386e22a8233e8b4c330
https://doi.org/10.1002/mp.15668
https://doi.org/10.1002/mp.15668
Autor:
Faustino Gómez Rodríguez, José Paz Martín, Diego M Gonzalez-Castaño, Nicolás Gómez Fernández, Alessia Gasparini, Dirk Verellen, Verdi Vanreusel, Rafael Kranzer, Giuseppe Felici, Andreas Schüller
Publikováno v:
Physica Medica. 104:S104-S105
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2c6170c4b6131f2da6cd51a30e1afe4
https://doi.org/10.1016/s1120-1797(22)02362-6
https://doi.org/10.1016/s1120-1797(22)02362-6
Autor:
Alexandra Bourgouin, Thomas Hackel, Marco Marinelli, Rafael Kranzer, Andreas Schüller, Ralf-Peter Kapsch
Publikováno v:
Physics in medicine and biology. 67(20)
Objective. The aim of the presented study is to evaluate the dose response of the PTB’s secondary standard system, which is based on alanine and electron spin resonance (ESR) spectroscopy measurement, in ultra-high-pulse-dose-rate (UHPDR) electron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dfe9d16f79da190339f5177ef481deb3
https://pubmed.ncbi.nlm.nih.gov/36162402
https://pubmed.ncbi.nlm.nih.gov/36162402
Autor:
Kevin Kröninger, Daniela Poppinga, Björn Poppe, Carolin Weber, Rafael Kranzer, Hui Khee Looe, Jan Weidner
Publikováno v:
Medical Physics
PURPOSE The aim of this study is the experimental and Monte Carlo-based determination of small field correction factors for the unshielded silicon detector microSilicon for a standard linear accelerator as well as the Cyberknife System. In addition,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::954e5659bd939ed8ea1a7182c904016c
https://doi.org/10.1002/mp.14149
https://doi.org/10.1002/mp.14149
Autor:
Tuba Tekin, Isabel Blum, Ann-Britt Schönfeld, Hui Khee Looe, Björn Poppe, Ulrich Giesen, Frank Langner, Ralf-Peter Kapsch, Daniela Poppinga, Björn Delfs, Rafael Kranzer
Publikováno v:
Medical physicsREFERENCES. 48(8)
PURPOSE The magnetic-field correction factors kB,Q of compact air-filled ionization chambers have been investigated experimentally and using Monte Carlo simulations up to 1.5 T. The role of the nonsensitive region within the air cavity and influence
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de82eb768714319c5fb69cbe2a498838
https://pubmed.ncbi.nlm.nih.gov/34032298
https://pubmed.ncbi.nlm.nih.gov/34032298
Autor:
Hui Khee Looe, Andreas Schüller, Björn Poppe, Daniela Poppinga, Jan Weidner, Thomas Hackel, Rafael Kranzer
Publikováno v:
Medical physicsREFERENCES. 48(2)
Purpose The ion collection efficiency of vented ionization chambers has been investigated in an ultra-high dose-per-pulse (DPP) electron beam. The role of the chamber design and the electric field strength in the sensitive air volume have been evalua
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74b886c3041433a2eef760ff0dfdea94
https://pubmed.ncbi.nlm.nih.gov/33251606
https://pubmed.ncbi.nlm.nih.gov/33251606
Autor:
Roberto Corsini, Björn Poppe, Daniela Poppinga, Wilfrid Farabolini, Vanessa Wyrwoll, Hui Khee Looe, Björn Delfs, Antonio Gilardi, Lukas Gabrisch, Rafael Kranzer
The aim of this work is the dosimetric characterization of a plane parallel ionization chamber under defined beam setups at the CERN Linear Electron Accelerator for Research (CLEAR). A laser driven electron beam with energy of 200 MeV at two differen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c1f4cbbffe4fbea58a299a978d71b8b8
http://cds.cern.ch/record/2812725
http://cds.cern.ch/record/2812725
Publikováno v:
Zeitschrift für Medizinische Physik. 28:247-253
The aim of this technical communication is to provide correction factors for recombination and polarity effect for two new ionization chambers PTW PinPoint 3D (type 31022) and PTW Semiflex 3D (type 31021). The correction factors provided are for the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::acfdca2d4f947169dab95ef7bf004607
https://doi.org/10.1016/j.zemedi.2017.09.010
https://doi.org/10.1016/j.zemedi.2017.09.010