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Temporary Researcher Position IPNL-CREATIS-LPSC

Fast-timing detection for online control of particle therapy (CLaRyS-UFT project)

In the frame of ENSAR2/Medinet, a 1 year (renewable) temporary researcher position is open in Grenoble and Lyon for the development of fast-timing detection of particles for hadrontherapy monitoring.

Contract beginning : December 1, 2017 to January 2018

Deadline for applications: September 20, 2017


Location: Lyon, Grenoble - France

Scientific supervisors:

  • Denis Dauvergne (LPSC Grenoble) ;
  • Jean Michel Létang (CREATIS Lyon) ;
  • Etienne Testa (IPN Lyon) ;

Duration: 1 year (1 year renewable), starting December 2017 – January 2018

Salary: CNRS temporary researcher salary, depending on post-doc experience (for instance 2-7 years post doc experience: ~3500€/month gross salary)

Summary: The French CLaRyS collaboration is developing online monitoring devices for the control of particle therapy, by means of secondary radiations issued from nuclear reactions. In particular, imaging of prompt radiation like gamma rays makes possible a verification of proton range at the scale of one or a few beam spots with millimeter precision. Our collaboration makes use of Time-of-Flight to optimize the signal to background ratio, and to restrict the observation region to the patient.

The present project, funded by the National Institute of Cancer (INCa), aims at developing very fast timing resolution for the detection of prompt radiation. This will be performed by means of fast diamond detectors for charge particle tracking, and by scintillation reconstruction strategies enabling sub-nanosecond resolution for prompt-gamma detection.

The hired researcher will contribute to the instrumental and simulation tasks associated to the project:

  • Laboratory setup and tests of fast diamond detectors,
  • Geant4 simulations on the assessment of fast timing for prompt-gamma imaging with a Compton camera and a collimated camera, for secondary proton vertex imaging in carbon therapy and for proton radiography.


Required skills: Simulations (Geant4), data analysis (Root), instrumentation for particle and gamma detection with solid-state detectors, data acquisition. The researcher should be able to work in an autonomous way, and to interact scientifically within the collaboration.

Applicants should send CV, recommendation and application letters to the three scientific supervisors.