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Post-Doc DEVELOPMENT OF OPTICAL MICROMEGAS READOUT FOR BETA IMAGING AND NEUTRON RADIOGRAPHY H/F


Vacancy details

General information

Organisation

The French Alternative Energies and Atomic Energy Commission (CEA) is a key player in research, development and innovation in four main areas :
• defence and security,
• nuclear energy (fission and fusion),
• technological research for industry,
• fundamental research in the physical sciences and life sciences.

Drawing on its widely acknowledged expertise, and thanks to its 16000 technicians, engineers, researchers and staff, the CEA actively participates in collaborative projects with a large number of academic and industrial partners.

The CEA is established in ten centers spread throughout France
  

Reference

2020-15269  

Position description

Category

Intrumentation, metrology and control

Contract

Post-doctorat

Job title

Post-Doc DEVELOPMENT OF OPTICAL MICROMEGAS READOUT FOR BETA IMAGING AND NEUTRON RADIOGRAPHY H/F

Subject

DEVELOPMENT OF OPTICAL MICROMEGAS READOUT FOR BETA IMAGING AND NEUTRON RADIOGRAPHY

Contract duration (months)

24

Job description

We are currently seeking a talented and highly qualified candidate to contribute to the development of optical Micromegas readout for beta imaging and neutron radiography. 

Recent developments have shown that coupling a Micromegas detector on a glass substrate with a transparent anode and a CCD camera enable the optical readout of Micromegas detectors with an impressive spatial resolution (440 μm) showing that the glass Micromegas detector is well suited for imaging.

Based on these results, we would like to develop this approach for two different applications. The first one is development of a novel beta-imager. The aim is to build a detector prototype to perform cell sorting by quantifying the exact dose of the tritium-labeled radio-cancer injected drugs. The second one will be devoted to real-time neutron radiography capabilities under high radiation constraints.

The postdoc will work on the characterization, understanding and optimization of two prototypes. This study will involve both Monte-Carlo simulation and experimental tests in laboratory in order to estimate the effect of several parameters (gas composition, neutron converter, drift gap, electric field configuration, etc.) and to assess its performances for beta imaging and neutron radiography.

The candidate will particularly work closely with the gaseous detector physicists (DEDIP/IRFU) and image reconstruction specialists (LCAE/LIST).

The prototype dedicated to neutron radiography will be tested at the SAPHIR platform (CEA Paris-Saclay), which houses an electron accelerator. Prior to these experiments, the postdoc will design and optimize the heavy water-based neutron source by Monte-Carlo simulation.

Interested candidates should submit cover letter, curriculum vitae with a publication list to:

Adrien Sari: adrien.sari@cea.fr
Thomas Papaevangelou: thomas.papaevangelou@cea.fr
Esther Ferrer Ribas: esther.ferrer-ribas@cea.fr

 

Applicant Profile

- PhD in applied nuclear physics or high-energy physics;
- Experience in Monte Carlo simulation codes such as MCNP6 or GEANT4, and eventually with the Garfield++ toolkit;
- Interest in designing detectors and performing experimental tests;
- High motivation to work within a multidisciplinary project;
- Curiosity and enthusiasm.

Position localisation

Site

Saclay

Job location

France, Ile-de-France, Essonne (91)

Location

Saclay

Requester

Position start date

01/06/2021