Characteristics of a heavy water photoneutron source in boron neutron capture therapy

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Danial Salehi, Dariush Sardari and Salehi Jozani. Characteristics of a heavy water photoneutron source in boron neutron capture therapy[J]. Chinese Physics C, 2013, 37(7): 078201. doi: 10.1088/1674-1137/37/7/078201
Danial Salehi, Dariush Sardari and Salehi Jozani. Characteristics of a heavy water photoneutron source in boron neutron capture therapy[J]. Chinese Physics C, 2013, 37(7): 078201.  doi: 10.1088/1674-1137/37/7/078201 shu
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Received: 2012-08-31
Revised: 1900-01-01
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Characteristics of a heavy water photoneutron source in boron neutron capture therapy

    Corresponding author: Danial Salehi,

Abstract: Bremsstrahlung photon beams produced by medical linear accelerators are currently the most commonly used method of radiation therapy for cancerous tumors. Photons with energies greater than 8-10 MeV potentially generate neutrons through photonuclear interactions in the accelerator's treatment head, patient's body, and treatment room ambient. Electrons impinging on a heavy target generate a cascade shower of bremsstrahlung photons, the energy spectrum of which shows an end point equal to the electron beam energy. By varying the target thickness, an optimum thickness exists for which, at the given electron energy, maximum photon flux is achievable. If a source of high-energy photons i.e. bremsstrahlung, is conveniently directed to a suitable D2O target, a novel approach for production of an acceptable flux of filterable photoneturons for boron neutron capture therapy (BNCT) application is possible. This study consists of two parts. 1. Comparison and assessment of deuterium photonuclear cross section data. 2. Evaluation of the heavy water photonuclear source.

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