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Portail > Offres > Offre UMR7614-OKSTRA-001 - Chercheur expérimenté - Développement d'une technique de coïncidence d'électron Auger – ion pour les sources de rayons X durs (H/F)

Experienced Researcher - Development of an Auger electron - ion coincidence technique for hard X-rays sources (M/F)

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : vendredi 1 octobre 2021

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General information

Reference : UMR7614-OKSTRA-001
Workplace : PARIS 05
Date of publication : Friday, September 10, 2021
Type of Contract : FTC Scientist
Contract Period : 9 months
Expected date of employment : 1 January 2022
Proportion of work : Full time
Remuneration : between 3880 and 4325 € brut per month depending on the experience
Desired level of education : Higher than 5-year university degree
Experience required : Over 10 years

Missions

The project aims at development of a new high-resolution instrumental setup, which will allow studying different fragmentation pathways occurring during Auger-decay cascades in molecules containing heavy atoms. Implementation of the fast Auger-electron – ion coincidence technique for hard X-ray sources is indispensable for extending the field of hard X-ray photoelectron spectroscopy to larger molecular systems, including the molecules of biological interest.
It will undoubtedly bring important scientific discoveries shedding light on the essence of hard X-ray – matter interactions.

Activities

- Development an advanced coincidence technique for multi-fragment momentum imaging in coincidence with fast (up to 5 keV) electrons for the studies of hard X-ray light – matter interactions.
- Participation in the assembly and development of the new MUSTACHE experimental setup allowing the measurement of Auger - ion (s) coincidences in the field of hard X-rays.
- Installation of MUSTACHE on the hard x-ray beamline at SOLEIL synchrotron.
- Development of data analysis.
- Dissemination of the first results through presentations at scientific conferences.

Skills

- Skills in electron - ion and / or COLTRIMS coincidence spectroscopy, with direct experience in signal and data analysis.
- Demonstrated knowledge in atomic and molecular physics using x-rays.
- Ability to develop complex experimental equipment.
- Software development skills for measurements and data processing.
- Good time management skills and ability to prioritize.

Work Context

The project will be carried out within the research group "Relaxation dynamics of core-excited atoms and molecules" in the LCPMR laboratory in Paris. The group consists of 4 permanent researchers, a research engineer, an emeritus professor of Sorbonne University, 1 postdoc and 3 PhD students. The group designs, builds and develops original experimental setups which are brought to SOLEIL, the French Synchrotron Radiation Center. The scientific focus is mainly on the interaction of atoms and isolated molecules with X-rays, more precisely on studies of ultrafast processes induced by X-rays (1-10 keV), the post-collision interaction, recoil processes (translational, vibrational and rotational) at high photon energy, the study of the electronic states with double core holes as well as advanced coincidence spectroscopy methods.

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