Photoneutron production of a Siemens Primus linear accelerator studied by Monte Carlo methods and a paired magnesium and boron coated magnesium ionization chamber system

Physics in Medicine and Biology

Volumn 52, Issue 21, 2007, Pages 6375-6387

  Becker, J ^a   Brunckhorst, E ^a   Schmidt, R ^a  

^a UNIVERSITY MEDICAL CENTER HAMBURG EPPENDORF   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

COATED MATERIALS; IONIZATION; MAGNESIUM; MONTE CARLO METHODS;

MAGNESIUM IONIZATION CHAMBER SYSTEM; NEUTRON CONTAMINATION; PHOTONEUTRON PRODUCTION;

RADIOTHERAPY;

BORON; MAGNESIUM;

ARTICLE; CALCULATION; IONIZATION CHAMBER; LINEAR ACCELERATOR; MEASUREMENT; MONTE CARLO METHOD; NEUTRON; NEUTRON ACTIVATION ANALYSIS; PHANTOM; PHOTON; PRIORITY JOURNAL; RADIATION DEPTH DOSE;

ARGON; BORON; CALIBRATION; COMPUTER SIMULATION; MAGNESIUM; MODELS, STATISTICAL; MODELS, THEORETICAL; MONTE CARLO METHOD; NEUTRONS; PARTICLE ACCELERATORS; PHANTOMS, IMAGING; PHOTONS; RADIOTHERAPY; TUNGSTEN;

EID: 36049040747     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/52/21/002     Document Type: Article

References (16)

1. Becker J, Brunckhorst E, Roca A, Stecher-Rasmussen F, Moss R, Böttger R and Schmidt R 2007 Set-up and calibration of a triple ionization chamber system for dosimetry in mixed neutron/photon fields Phys. Med. Biol. 52 3715-27
2. Burmeister J, Kota C, Yudelev M and Maughan R L 1999 Paired Mg and Mg(B) ionization chambers for the measurement of boron neutron capture dose in neutron beams Med. Phys. 26 2482-7
3. Chibani O and Ma C-M C 2003 Photonuclear dose calculations for high-energy photon beams from Siemens and Varian linacs Med. Phys. 30 1990-2000
4. d'Errico F, Nath R, Tana L, Curzio G and Alberts W G 1998 In-phantom dosimetry and spectrometry of photoneutrons from an 18 MV linear accelerator Med. Phys. 25 1717-24
5. Followill D S, Stovall M S, Kry S F and Ibbott G S 2003 Neutron source strength measurements for Varian, Siemens, Elekta, and General electric linear accelerators J. Appl. Clin. Med. Phys. 4 189-94
6. Howell R M, Ferenci M S, Hertel N E and Fullerton G D 2005 Investigation of secondary neutron dose for 18 MV dynamic MLC IMRT delivery Med. Phys. 32 786-93
7. Lin J-P, Chu T-C, Lin S-Y and Liu M-T 2001 The measurement of photoneutrons in the vicinity of a Siemens Primus linear accelerator Appl. Radiat. Isot. 55 315-21
8. Lin S-Y, Chu T-C, Lin J-P and Huang C-Y 2002 Monte Carlo simulation of surface percent depth dose Appl. Radiat. Isot. 56 505-10
9. Lüdemann L, Matzen T, Matzke M, Schmidt R and Scobel W 1995 Determination of the thermal neutron flux in a fast neutron beam by use of a boron-coated ionization chamber Med. Phys. 22 1743-7
10. McGinley P H and Landry J C 1989 Neutron contamination of x-ray beams produced by the Varian Clinac 1800 Phys. Med. Biol. 34 777-83
11. Ongaro C, Zanini A, Nastasi U, Ródenas J, Ottaviano G and Manfredotti C 2000 Analysis of photoneutron spectra produced in medical accelerators Phys. Med. Biol. 45 L55-61
12. Pena J et al 2004 Commissioning of a medical accelerator photon beam Monte Carlo simulation using wide-field profiles Phys. Med. Biol. 49 4929-42
13. Pena J, Franco L, Gómez F, Iglesias A, Pardo J and Pombar M 2005 Monte Carlo study of Siemens PRIMUS photoneutron production Phys. Med. Biol. 50 5921-33
14. Sheikh-Bagheri D and Rogers D W O 2002 Sensitivity of megavoltage photon beam Monte Carlo simulations to electron beam and other parameters Med. Phys. 29 379-90
15. Tosi G, Torresin A, Agosteo S, Foglio Para A, Sangiust V, Zeni L and Silari M 1991 Neutron measurements around medical electron accelerators by active and passive detection techniques Med. Phys. 18 54-60
16. Zanini A et al 2004 Monte Carlo simulation of the photoneutron field in linac radiotherapy treatments with different collimation systems Phys. Med. Biol. 49 571-82