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[H2020-ARIEL] "TRIGA MAINZ Lab Course on Reactor Operation and Nuclear Chemistry"

Europe/Berlin
Mainz, Germany

Mainz, Germany

Johannes Gutenberg-University Research Reactor TRIGA Mainz
Klaus Eberhardt (Johannes Gutenberg-Universität Mainz, Forschungsreaktor TRIGA)
Description

INTRODUCTION

 

Within the ARIEL project (H2020 ARIEL EU project (ariel-h2020.eu)the Johannes Gutenberg University in Mainz will organize a Lab Course in Reactor Operation and Nuclear Chemistry to be held November 19-24, 2023. The course is open for advanced Master students. PhD students and Post-Docs working in the the field of chemistry, physics, nuclear engineering and related areas.

 

The participants will learn how to operate the TRIGA Mainz research reactor in steady state as well as in pulsed mode and study the effect Cd-samples on the reactivity. In short term irradiation of an Os-sample and subsequent gammaspectroscopical analysis low lying rotational bands in Os-190m are studied. Furthermore ß-delayed neutron measurements using He-3 counting tubes are planned. For this, samples of U-235 and Th-232 are irradiated with and without Cd-shielding. In the Nuclear Chemistry part of the course the participants will repeat the classical experiment of Otto Hahn and Fritz Strassmann that led to the discovery of nuclear fission as they confirm chemically that barium is formed during the irradiation of a U-235 solution with thermal neutrons.The experimental programe will be accompanied by a series of lectures about the discovery of nuclear fission, applications of research reactors for science and industry and the operation and the special design features of TRIGA reactors. Furthermore, a lecture about the OKLO-reactor is planned.

 

 

PARTICIPANTS

The school is open for up to 10 participants. The target audience are advanced Master students. PhD students and Post-Docs working in the the field of chemistry, physics, nuclear engineering and related areas. The selection of the 10 participants is the responsibility of the International Advisory Committee and will be based on the information given in the "Letter of Interest" to be provided in the registration process.

 

EXPERIMENTS 

  • Reactor operation in steady-state and in pulse-mode
  • Time structure of reactor pulse
  • Reactivity experiment: Fast introduction of Cd-samples 
    with the pneumatic sample transfer system 
  • Experiments on the discovery of nuclear fission
  • Measurement of ß-delayed neutrons
  • Decay scheme of Os-190m

 

LECTURES AND SEMINARS

  • The Discovery of Nuclear Fission 
    (Tobias Reich, JGU, Mainz, Germany)
  • Neutron Activation Experiments for Nuclear Astrophysics Studies 
    (Tanja Heftrich, Goethe-Universität, Frankfurt, Germany)
  • Application of Research Reactors for Science and Industry 
    (Nuno Pesseo-Barradas, IAEA, Vienna, Austria)
  • Basic Reactor Physics 
    (Christopher Geppert, JGU, TRIGA Mainz, Germany)
  • The Research Reactor TRIGA Mainz 
    (Klaus Eberhardt, JGU, TRIGA Mainz, Germany)
  • Neutron Activation Analysis 
    (Christian Stieghorst, TU München, Germany
  • Production of Ultra-cold Neutrons at the TRIGA Mainz 
    (Simon Kaufmann, JGU Mainz, Germany)
  • The OKLO-Phenomenon: The Natural Nuclear Fission Reactors 
    in Gabon, Africa  Not yet confirmed

 

SPONSORED BY H2020-ARIEL

The registration fee, travel and accommodation costs will be covered by the H2020 ARIEL Project (www.ariel-h2020.eu).

 

REGISTRATION

Please register before September 15th, 2023.

 

 

INTERNATIONAL ADVISORY COMMITTEE

     - Arnd Junghans (HZDR, Germany)

     - Arjan Plompen (JRC-Geel, Belgium)

     - Carlos Guerrero (University of Sevilla, Spain)

 

LOCAL ORGANIZING COMMITTEE

     - Klaus Eberhardt

     - Christopher Geppert

     - Petra Sach-Muth

     - Jürgen Hubrath

 

This school receives funding from the H2020 Euratom research and training program 2014-2018 under grant agreement No 847594 (ARIEL).

 

    • 18:00 20:00
      Get-together receiption 2h
    • 09:00 09:10
      Welcome adress 10m
    • 09:10 09:30
      Instructions on safety and radiation protection 20m
    • 09:30 10:30
      Lecture: Basic reactor physics (C. Geppert) 1h
    • 10:30 11:00
      Coffee break 30m
    • 11:00 12:30
      Lecture: The OKLO Phenomenon: The Natural Nuclear Fission Reactor in Gabon, Africa 1h 30m
    • 12:30 13:30
      Lunch break 1h
    • 13:30 14:30
      Lecture: The research reactor TRIGA Mainz (K. Eberhardt) 1h
    • 14:30 15:00
      Lecture: TRIGA reactor control panel (C. Geppert) 30m
    • 15:00 17:00
      Group 1: 1.1 - Reactor start-up procedure 1.2 - Lecture: Production of ultra-cold neutrons at the TRIGA Mainz 2h
    • 15:00 17:00
      Group 2: 2.1 - Lecture: Production of ultra-cold neutrons at the TRIGA Mainz 2.2 - Reactor start-up procedure 2h
    • 09:00 10:00
      Lecture: The Discovery of nuclear fission (T. Reich) / Introduction to the experiments (C. Geppert, K. Eberhardt) 1h
    • 10:00 12:00
      Group 1 - Steady state reactor operation @ 10 W / Reactivity experiment with Cd samples 2h
    • 10:00 12:00
      Group 2 - Reactivity experiment with Cd samples / Steady state reactor operation @ 10 W 2h
    • 12:00 13:00
      Lunch break 1h
    • 13:00 16:00
      Group 1 - Pulse mode operation (up to 200 MW peak power) / Reactor pulse time structure Visual inspection reactor pool 3h
    • 13:00 16:00
      Group 2 - Reactor pulse time structure Visual inspection reactor pool / Pulse mode operation (up to 200 MW peak power) 3h
    • 16:00 17:00
      Discussion of the experimental results 1h
    • 09:00 10:30
      Lecture: Activation experiments for nuclear astrophysics studies (T. Heftrich) 1h 30m
    • 10:30 11:00
      Coffee break 30m
    • 11:00 12:30
      Lecture: Application of research reactors (N. Passeo Barradas) 1h 30m
    • 12:30 13:30
      Lunch break 1h
    • 13:30 14:00
      Introduction to the experiments 30m
    • 14:00 16:30
      Group 1 - Decay scheme of Os-190m / Measurement of β-delayed neutrons 2h 30m
    • 14:00 16:30
      Group 2 - Measurement of β-delayed neutrons / Decay scheme of Os-190m 2h 30m
    • 16:30 17:00
      Discussion of the experimental results 30m
    • 17:00 19:00
      Time for free design 2h
    • 19:00 22:00
      Dinner and wine tasting 3h
    • 09:00 10:30
      Radiation protection measures: Practical exercises 1h 30m
    • 10:30 11:00
      Coffee break 30m
    • 11:00 12:00
      Guided tour through Botanical Garden / MAMI 1h
    • 12:00 13:00
      Lunch break 1h
    • 13:00 13:30
      Introduction to the experiments 30m
    • 13:30 16:30
      Experiments on the discovery of nuclear fission 3h
    • 16:30 17:00
      Discussion of the experimental results 30m
    • 09:30 11:00
      Lecture: Neutron Activation Analysis (C. Stieghorst) 1h 30m
    • 11:00 12:00
      Final discussion 1h
    • 12:00 13:00
      Lunch break 1h
    • 13:00 16:00
      Guided tour through the city of Mainz and visit of the Gutenberg-Museum 3h