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Related Experiment Videos

A d(16) + Be fast neutron beam for therapy.

J H Hough1, P J Binns

  • 1Pretoria Cyclotron Group, National Accelerator Centre, CSIR, Pretoria, South Africa.

Radiotherapy and Oncology : Journal of the European Society for Therapeutic Radiology and Oncology
|September 1, 1987
PubMed
Summary

A new fast neutron therapy facility is now operational, utilizing a solid-pole cyclotron for precise radiation delivery. This advancement offers a new option for cancer treatment, generating a reliable neutron beam for clinical applications.

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Area of Science:

  • Medical Physics
  • Radiation Oncology
  • Accelerator Science

Background:

  • Fast neutron therapy offers potential advantages in treating certain radioresistant tumors.
  • The need for accessible and reliable neutron therapy facilities is growing globally.
  • The National Accelerator Centre (CSIR) in Pretoria has a history of utilizing particle accelerators for research and medical applications.

Purpose of the Study:

  • To report the establishment and initial characterization of a new fast neutron therapy facility.
  • To detail the technical specifications and performance of the neutron beam.
  • To confirm the suitability of the generated neutron beam for clinical use.

Main Methods:

  • Utilized a classical solid-pole cyclotron for particle acceleration.

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  • Generated neutrons via the 9Be(d,n)10B reaction using 16 MeV deuterons on a thick beryllium target.
  • Measured neutron output and beam characteristics at a source-to-surface distance (SSD) of 135 cm.

    • Main Results:

    • Successfully established a functional fast neutron therapy facility.
    • Achieved a neutron output of 0.51 cGy.min-1.microA-1 at 135 cm SSD.
    • Observed beam characteristics consistent with those reported at other international neutron therapy centers.

    Conclusions:

    • The newly established fast neutron therapy facility is operational and meets required performance standards.
    • The generated neutron beam is comparable to those used in established centers, indicating its clinical viability.
    • This facility represents a significant advancement for radiation oncology in the region.