Neutron fluence and energy spectra around the Varian Clinac 2100C/2300C medical accelerator

Health Physics

Volumn 74, Issue 1, 1998, Pages 38-47

  Kase, K R ^a   Mao, X S ^a   Nelson, W R ^a   Liu, J C ^a   Kleck, J H ^b   Elsalim, M ^c  

^a SLAC NATIONAL ACCELERATOR LABORATORY   (United States)

^b Varian Corporation   (United States)

^c SCIENCE APPLICATIONS INTERNATIONAL CORPORATION   (United States)

Author keywords

Accelerators; Monte Carlo; Neutrons; Shielding

Indexed keywords

ARTICLE; COMPUTER SIMULATION; ELECTRON ACCELERATOR; ENERGY; NEUTRON; PRIORITY JOURNAL;

EID: 0031974030     PISSN: 00179078     EISSN: None     Source Type: Journal    
DOI: 10.1097/00004032-199801000-00005     Document Type: Article

References (20)

1. Agosteo, S.; Froglio Para, A.; Maggioni, B. Neutron fluxes in therapy rooms. Med. Phys. 20:407-414; 1993a.
2. Agosteo, S.; Froglio Para, A.; Gerardi, F.; Silari, M.; Torresin, A.; Tosi, G. Photoneutron dose in soft tissue phantoms irradiated by 25 MV x-rays. Phys. Med. Biol. 38:1509-1528; 1993b.
3. Agosteo, S.; Froglio Para, A. Energy and spatial dependence of neutron fluxes in radiotherapy rooms for a simple dose estimate method. Nucl. Inst. Meth. Phys. Res. B 93:362-369; 1994.
4. Agosteo, S.; Froglio Para, A.; Maggioni, B.; Sangiust, V.; Terrani, S.; Borasi, G. Radiation transport in a radiotherapy room. Health Phys. 68:27-34; 1995.
5. Bramblett, R. L.; Ewing, R. J.; Bonner, T. W. A new type of neutron spectrometer. Nucl. Inst. Meth. 9:1-12; 1960.
6. Elsalim, M. M. Characterization of the neutron environment around Varian medical electron accelerators. San Jose, CA: San Jose State University; 1994. Thesis.
7. Emmett, M. B. The MORSE Monte Carlo radiation transport code system. ORNL-4972. Oak Ridge, TN: Oak Ridge National Laboratory; 1984.
8. Ing, H.; Nelson. W. R.; Shore, R. A. Unwanted photon and neutron radiation resulting from collimated photon beams interacting with the body of radiotherapy patients. Med. Phys. 9:27-33; 1982.
9. LaRiviere, P. D. Neutron energies in medical electron accelerator rooms. Med. Phys. 12:769-775; 1985.
10. Liu, J. C.; Nelson, W. R.; Kase, K. R.; Mao, X. S. Calculations of the giant-dipole-resonance photoneutrons using a coupled EGS4-MORSE code. Radiat. Prot. Dosim. 70:49-54; 1997.
11. Mao, X.; Kase, K. R.; Nelson, W. R. Giant dipole resonance neutron yields produced by electrons as a function of target material and thickness. Health Phys. 70:207-214; 1996.
12. Mao, X.; Kase, K. R.; Liu, J. C.; Nelson, W. R.; Kleck, J. H.; Johnsen, S. Neutron sources in the Varian Clinac 2100C/ 2300C medical accelerator calculated by Monte Carlo. Health Phys. 72:523-528; 1997.
13. McGinley, P. H. Photoneutron fields in medical accelerator rooms with primary barriers constructed of concrete and metals. Health Phys. 63:698-701; 1992.
14. Nath, R.; Epp, E. R.; Laughlin, J. S.; Swanson, W. P.; Bond, V. P. Neutrons from high-energy x-ray medical accelerators: An estimate of risk to the radiotherapy patient. Med. Phys. 11:231-241; 1984.
15. National Council on Radiation Protection and Measurements. Neutron contamination from medical electron accelerators, Report No. 79. Bethesda, MD: National Council on Radiation Protection and Measurements; 1984.
16. Nelson, W. R.; Hirayama, H.; Rogers, D. W. O. The EGS4 code system. SLAC-265. Stanford, CA: Stanford Linear Accelerator Center; 1985.
17. ORNL. The EVAP calculation of particle evaporation from excited compound nuclei. PSR-10. Oak Ridge, TN: Oak Ridge National Laboratory; 1974.
18. Sanchez, F.; Madurga, G.; Arrans, R. Neutron measurements around an 18 MV linac. Radiotherapy Oncol. 15:259-265; 1989.
19. Tosi, G.; Torresin, A.; Agosteo, S.; Foglio Para, A.; Sangiust, V.; Zeni, L; Silari, M. Neutron measurements around medical electron accelerators by active and passive detection techniques. Med. Phys. 18:54-60; 1991.
20. Uwamino, Y.; Nakamura, T.; Ohkubo, T.; Hara, A. Measurement and calculation of neutron leakage from a medical electron accelerator. Med. Phys. 13:374-384; 1986.