Neutron dose measurement in carbon ion radiation therapy at HIRFL (IMP)

SU You-Wu; LI Zong-Qiang; LI Wu-Yuan; WANG Gui-Ling

doi:10.1088/1674-1137/34/5/006

Chinese Physics C> 2010, Vol. 34> Issue(5) : 548-550 DOI: 10.1088/1674-1137/34/5/006

Neutron dose measurement in carbon ion radiation therapy at HIRFL (IMP)

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Abstract：
For radiation protection purposes, the neutron dose in carbon ion radiation therapy at the HIRFL (Heavy Ion Research Facility in Lanzhou) was investigated. The neutron dose from primary ¹²C ions with a specific energy of 100 MeV/u delivered from SSC was roughly measured with a standard Anderson-Broun rem-meter using a polyethylene target at various distances. The result shows that a maximum neutron dose contribution of 19 mSv in a typically surface tumor treatment was obtained, which is less than 1% of the planed heavy ion dose and is in reasonable agreement with other reports. Also the γ-ray dose was measured in this experiment using a thermo luminescent detector.

References

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SU You-Wu, LI Zong-Qiang, LI Wu-Yuan and WANG Gui-Ling. Neutron dose measurement in carbon ion radiation therapy at HIRFL (IMP)[J]. Chinese Physics C, 2010, 34(5): 548-550. doi: 10.1088/1674-1137/34/5/006

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Received: 2009-07-01
Revised: 2009-09-11

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沈阳化工大学材料科学与工程学院沈阳 110142

Neutron dose measurement in carbon ion radiation therapy at HIRFL (IMP)

Corresponding author: SU You-Wu,

Received Date: 2009-07-01
Accepted Date: 2009-09-11
Available Online: 2010-05-05

Abstract:

For radiation protection purposes, the neutron dose in carbon ion radiation therapy at the HIRFL (Heavy Ion Research Facility in Lanzhou) was investigated. The neutron dose from primary ¹²C ions with a specific energy of 100 MeV/u delivered from SSC was roughly measured with a standard Anderson-Broun rem-meter using a polyethylene target at various distances. The result shows that a maximum neutron dose contribution of 19 mSv in a typically surface tumor treatment was obtained, which is less than 1% of the planed heavy ion dose and is in reasonable agreement with other reports. Also the γ-ray dose was measured in this experiment using a thermo luminescent detector.