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6711型^(125)I种子源剂量参数的蒙特卡罗研究 被引量:3

M-C simulation of dosimetric characeristics of Model 6711 ^(125)I seed source
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摘要 使用蒙特卡罗方法计算6711型125I种子源参数,采用新的种子源几何模型和新的光子截面数据(mcplib04),根据AAPM TG-43U1推荐的剂量参数计算公式,可以获得6711型125I种子源各参数。与AAPMTG-43U1推荐值比较,剂量常数相差0.62%,径向剂量函数值最大相差5.12%,最小相差0.15%。 Dosimetry parameters of Model 6711 125I seed source was simulated by using MCNP5,with a new geometric model of the 125I seed source and a new photon section data(mcplib04).Comparing to the AAPM TG-43U1 recommendation,our simulation results are satisfactory: the dose rate constant is in agreement within 0.62%,and the radial dose function within 0.15% to 5.12%.
出处 《核技术》 CAS CSCD 北大核心 2012年第5期361-364,共4页 Nuclear Techniques
关键词 蒙特卡罗方法 剂量学参数 125I种子源 Monte-Carlo method Dosimetric characteristics 125I seed source
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参考文献6

  • 1Nath R, Anddrson L L, Luxton G, et al. Dosimetry of interstitial brachytherapy sources: recommendations of AAPM radiation therapy committee task group No43[J]. Medical Physics, 1995, 22:209-234.
  • 2X-5 Monte Carlo Team. MCNP-A General Monte Carlo N-Particle Transport Code,Version 5, LA-UR-03-1987[R]. USA: LANL, 2003.
  • 3Rivard M J, Coutsey B M, Dewerd L A, et al. Update ofAAPM task group No43 report: A revised AAPM protocol for brachytherapy dose calculations[J]. Medical Physics, 2004, 31:633-674.
  • 4Hubbell J H, Seltzer S M. Tables of X-ray mass attenuation coefficients and mass energy-absorption coefficients from 1 keV to 20 MeV for elements Z=I to 92 and 48 additional substances of dosimetric interest. NISTER 5632[R]. Japan: NIST, 2004.
  • 5Nath R, Anddrson L L, LUXTON G, et al. Dosimetry of interstitial brachytherapy sources: recommendations of AAPM radiation therapy committee task group No43[J]. Medical Physics, 1995, 22:209-234.
  • 6孙亮,李君利.^(125)I短程治疗源剂量计算参数的蒙特卡罗确定[J].原子能科学技术,2006,40(6):657-661. 被引量:6

二级参考文献4

  • 1NATH R,ANDERSON L L,LUXTON G,et al.Dosimetry of interstitial brachytherapy sources:recommendations of AAPM radiation therapy committee task group No43[J].Medical Physics,1995,22:209-234.
  • 2RIVARD M J,COURSEY B M,DEWERD L A,et al.Update of AAPM task group No43 report:A revised AAPM protocol for brachytherapy dose calculations[J].Medical Physics,2004,31:633-674.
  • 3HUBBELL J H,SELTZER S M.Tables of Xray mass attenuation coefficients and mass energy-absorption coefficients from 1 kev to 20 MeV for elements Z= 1 to 92 and 48 additional sub stances of dosimetric interest,NISTIR 5632[R].Japan:NIST,2004.
  • 4BRIESMEISTER J F.MCNP-A genernal Monto-Carlo N-particle transport code (version 4B),LA-12625-M Manual 4B[R].USA:LANL,1997.

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