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Meetings

  • 32nd Energetic Particle Physics TG Meeting
    30 Sept - 03 Oct, 2024
    Remote
  • 33rd Transport & Confinement TG Meeting​
    30 Sept - 03 Oct, 2024
    Ibaraki, Japan
  • 46th Diagnostics TG Meeting
    30 Sept - 03 Oct, 2024
    IO, St Paul Lez Durance, France
  • 35th Scrape-Off-Layer & Divertor TG Meeting
    21 Oct - 24 Oct, 2024
    Prague, Czech Republic
  • 33rd Integrated Operation Scenarios TG Meeting
    28 Oct - 31 Oct, 2024
    Aix-en-Provence
  • ​27th ITPA CC Meeting
    04 Dec - 06 Dec, 2024
    IO, St Paul Lez Durance, France
  • 15th CTP Ex Com Meeting
    06 Dec - 06 Dec, 2024
    IO, St Paul Lez Durance, France
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Scope

The general scope of the ITPA Energetic Particle Physics Topical Group is to tackle the qualitatively new physics element of ITER: dominant alpha particle heating. The group shall provide the experimental basis and the theoretical knowledge to give recommendation for both the conventional and advanced scenarios in ITER in the areas of: energetic particle driven instabilities (Alfvén waves and energetic particle modes) and their consequences for plasma heating and the first wall material; effects of non-axisymmetric magnetic fields such as field ripple, error/perturbation fields; interaction of fast ions with background magnetohydrodynamic (MHD) behaviour; neutral beam injection heating and current drive; and  runaway electrons. These activities will be coordinated with other Topical Groups where interests overlap. ITER itself will not mark the last stage in the development of fusion heating, and a comprehensive ab-initio understanding of fast particle effects on this device will be a necessary prerequisite for bridging the gap to DEMO.  The group shall therefore co-ordinate collaborative research activities in existing experimental devices, but in particular also encourage a close collaboration between theory and experiment. In addition, the group shall identify the diagnostic requirements for ITER, needed to extrapolate towards reactor relevant conditions (Q > 50). Publications and presentations on the activities of the group to fusion journals and international conferences will be promoted.

Tasks

The Energetic Particle Physics Topical Group, on the basis of experimental and theoretical studies, shall provide input in the field of the following main subjects:

  • Destabilisation of Alfvén waves and Energetic Particle Modes (EPMs):
    • Measurements of damping rates of Alfvén waves (together with reliable mode identification: eigenfunction, frequency, etc.) and comparison with theory
    • Investigation of the drive of different kinds of Alfvén waves (toroidal, beta-induced, reversed shear, ...) and EPMs depending on the fast ion distribution function (energy and pitch angle)
    • Measurements of the influence of fast particle driven instabilities on the fast ion distribution function, expulsion of fast ions, comparison between experiments and state of the art non-linear theory/codes
    • Definition of benchmark test cases for fast particle stability codes
    • Development of relevant diagnostics, recommendations for ITER diagnostics
    • Prediction of the role of fast particle driven modes in ITER conventional and steady state scenarios, including the power load on the first wall caused by the fast particle loss and recommendations for operation
  • Effect of non-axisymmetric magnetic fields:
    • Comparison between theoretical predictions and measurements of fast ion losses caused by magnetic field ripple and error fields in present devices
    • Prediction of the power loads to the first ITER wall caused by error fields, ferritic inserts, test blanket modules and perturbation fields, i.e. by Edge Localized Mode (ELM) mitigation coils
  • Interaction of fast ions with background MHD:
    • Investigation of the interaction between background MHD activity and fast particle confinement in present day devices and comparison with theory
    • Prediction of the influence of Neoclassical tearing Modes (NTMs) and possible synergistic effects with field ripple/error fields on fast particle confinement in ITER
    • Influence of fast ions on sawtooth stability, development of control tools for ITER
  • Neutral Beam Injection (NBI) heating and current drive:
    • Investigation of the localisation of NBI heating and current drive
    • Prediction of the role of NBI current drive on current profile control in ITER

Australia

Hole Matthew

China

Cai Huisan
Chen Zhongyong
Xu Ming
Zhang Wenlu

EU

Cappa Alvaro (Stell. Rep)
Fitzgerald Michael
Kazakov Yevgen (Contact)
Mazzi Samuele
Nocente Massimo
Salewski Mirko
Snicker Antti
Vlad Gregorio

India

Deshpande Shishir
Ganesh Rajaraman
Palle Prahlad Vatti
Singh Mahendrajit

Japan

Bierwage Andreas (Dep. Chair)
Murakami Sadayoshi
Nagaoka Kenichi
Osakabe Masaki
Shinohara Kouji
Sumida Shuhei
Todo Yasushi

Korea

Kim Junghee (Contact)
Kim Kimin
Rhee Tong-nyeol
You Kwang-Il

Russia

Konovalov Sergey
Medvedev Sergei
Melnikov Alexander
Patrov Mikhail
Zaitsev Fedor

USA

Breizman Boris
Collins Cami
Duarte Vinicius
Heidbrink Bill
Podesta Mario
Spong Don
Van Zeeland Michael (Chair)

ITER

Pinches Simon (ITER Dep. Chair)
  • Askinazi Leonid (RF)
  • Bass Eric (US)
  • Chakraborty Arun (IN)
  • Crocker Neal (US)
  • Ding Xuantong (CN)
  • Du Xiaodi (US)
  • Geiger Benedikt (EU)
  • Ghai Yashika (US)
  • Ghosh Joydeep (IN)
  • Graves Jonathan (EU)
  • Isaev Maxim (RF)
  • Jonsson Thomas (EU)
  • Kang Jisung (KO)
  • Kurki-Suonio Taina (EU)
  • Labit Benoit (EU)
  • Lamalle Philippe (IO)
  • Lee Sangil (KO)
  • Lier Andrej (EU)
  • Lu Zhixin (EU)
  • Meng Guo (EU)
  • Oikawa Toshihiro (JA)
  • Ren Haijun (CN)
  • Schoepf Klaus (EU)
  • Sharapov Sergei (EU)
  • Shen Wei (CN)
  • Shevelev Alexander (RF)
  • Veshchev Evgeny (IO)
  • Wang Hao (JA)
  • Zhang Wei (CN)
  • Asunta Otto (EU)
  • Bakharev Nikolay (RF)
  • Borba Duarte (EU)
  • Brochard Guillaume (EU)
  • Buchanan James (EU)
  • Cecconello Marco (EU)
  • Chen Wei (CN)
  • Falessi Matteo (EU)
  • Fasoli Ambrogio (EU)
  • Gin Dmitry (RF)
  • Goloborodko Viktor (EU)
  • Hou Yawei (CN)
  • Jaulmes Fabien (EU)
  • Kiptily Vasili (EU)
  • Kocan Martin (IO)
  • Lauber Philipp (EU)
  • Liu Deyong (US)
  • Mantsinen Mervi (EU)
  • McClements Ken (EU)
  • Orsitto Francesco (EU)
  • Phillip Bonofiglo (US)
  • Praveenlal E. V. (IN)
  • Qiu Zhiyong (CN)
  • Sen Abhijit (IN)
  • Tinguely Alex (US)
  • Turnianskyi Mikhail (EU)
  • Varje Jari (EU)
  • Wukitch Steve (US)
  • Xu Liqing (CN)
  • Ayllon-Guerola Juan (EU)
  • Beatrix Schunke (IO)
  • Bilato Roberto (EU)
  • Briguglio Sergio (EU)
  • Chiara De Piccoli (EU)
  • Dumont Remi (EU)
  • Dvornova Anastasia (EU)
  • Fredrickson Eric (US)
  • Gorelenkov Nikolai (US)
  • Helou Walid (IO)
  • Huang Juan (CN)
  • Koenies Axel (EU)
  • Li Guoqiang (CN)
  • Lin Zhihong (US)
  • Moseev Dmitry (EU)
  • Nabais Fernando (EU)
  • Ochoukov Roman (EU)
  • Oliver James (US)
  • Peng Xiaodong (CN)
  • Puglia Paulo (EU)
  • Qu Zhisong (AU)
  • Riggs Greg (US)
  • Tani Keiji (JA)
  • Vallar Matteo (EU)
  • Viezzer Eleonora (EU)
  • von Hellermann Manfred (EU)
  • Ward Samuel (EU)
  • Yamamoto Satoshi (JA)
  • Zarzoso David (EU)
  • Akers Rob (EU)
  • Baranov Yuriy (EU)
  • Barberis Tommaso (US)
  • Biancalani Alessandro (EU)
  • Blackman Trevor (IO)
  • Bottino Alberto (EU)
  • Chapman Ian (EU)
  • Eriksson Jacob (EU)
  • Fil Nicolas (EU)
  • García-Muñoz Manuel (EU)
  • Guenter Sibylle (EU)
  • Guoyong Fu (US)
  • Hayward-Schneider Thomas (EU)
  • Kramer Gerrit (US)
  • Lazerson Samuel (EU)
  • Lestz Jeff (US)
  • Mukhovatov Vladimir (RF)
  • Polevoi Alexei (IO)
  • Ruiz Ruiz Juan (EU)
  • Saito Kenji (JA)
  • Schneider Mireille (IO)
  • Shaing Kerchung (US)
  • Shishkin Alexei (RF)
  • Singh Mahendrajit (IO)
  • Testa Duccio (EU)
  • Vincenzi Pietro (EU)
  • Wang Xin (EU)
  • Weiland Markus (EU)
  • Yang James (US)