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Meetings

  • 31st Energetic Particle Physics TG Meeting
    16 Avr - 18 Avr, 2024
    Daejon, Korea
  • 32nd Transport & Confinement TG Meeting
    16 Avr - 19 Avr, 2024
    Cadarache, France
  • 43rd MHD, Disruptions and Control TG Meeting
    22 Avr - 26 Avr, 2024
    Toki, Japan
  • 43rd Pedestal & Edge Physics TG Meeting
    23 Avr - 26 Avr, 2024
    Princeton, NJ, USA
  • 45th Diagnostics TG Meeting
    29 Avr - 02 Mai, 2024
    Oak Ridge, TN, USA
  • 32nd Integrated Operation Scenarios TG Meeting
    07 Mai - 10 Mai, 2024
    Seoul, Korea
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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
Mazzi Samuele
Nocente Massimo
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)
  • Biancalani Alessandro (EU)
  • Blackman Trevor (IO)
  • Bottino Alberto (EU)
  • Chakraborty Arun (IN)
  • Ding Xuantong (CN)
  • Du Xiaodi (US)
  • Eriksson Jacob (EU)
  • Fil Nicolas (EU)
  • Ghosh Joydeep (IN)
  • Hayward-Schneider Thomas (EU)
  • Isaev Maxim (RF)
  • Jonsson Thomas (EU)
  • Kurki-Suonio Taina (EU)
  • Labit Benoit (EU)
  • Lamalle Philippe (IO)
  • Lazerson Samuel (EU)
  • Lestz Jeff (US)
  • Oikawa Toshihiro (JA)
  • Saito Kenji (JA)
  • Schoepf Klaus (EU)
  • Sharapov Sergei (EU)
  • Shishkin Alexei (RF)
  • Singh Mahendrajit (IO)
  • Veshchev Evgeny (IO)
  • Vincenzi Pietro (EU)
  • Wang Xin (EU)
  • Weiland Markus (EU)
  • Yang James (US)
  • Asunta Otto (EU)
  • Bass Eric (US)
  • Borba Duarte (EU)
  • Crocker Neal (US)
  • Fasoli Ambrogio (EU)
  • Geiger Benedikt (EU)
  • Ghai Yashika (US)
  • Goloborodko Viktor (EU)
  • Graves Jonathan (EU)
  • Kang Jisung (KO)
  • Kiptily Vasili (EU)
  • Kocan Martin (IO)
  • Lauber Philipp (EU)
  • Lee Sangil (KO)
  • Lier Andrej (EU)
  • Liu Deyong (US)
  • Lu Zhixin (EU)
  • Mantsinen Mervi (EU)
  • McClements Ken (EU)
  • Meng Guo (EU)
  • Orsitto Francesco (EU)
  • Ren Haijun (CN)
  • Salewski Mirko (EU)
  • Sen Abhijit (IN)
  • Shen Wei (CN)
  • Shevelev Alexander (RF)
  • Wang Hao (JA)
  • Wukitch Steve (US)
  • Zhang Wei (CN)
  • Bakharev Nikolay (RF)
  • Bilato Roberto (EU)
  • Briguglio Sergio (EU)
  • Brochard Guillaume (EU)
  • Buchanan James (EU)
  • Cecconello Marco (EU)
  • Chen Wei (CN)
  • Chiara De Piccoli (EU)
  • Dumont Remi (EU)
  • Falessi Matteo (EU)
  • Fredrickson Eric (US)
  • Gin Dmitry (RF)
  • Gorelenkov Nikolai (US)
  • Hou Yawei (CN)
  • Huang Juan (CN)
  • Jaulmes Fabien (EU)
  • Koenies Axel (EU)
  • Li Guoqiang (CN)
  • Peng Xiaodong (CN)
  • Phillip Bonofiglo (US)
  • Praveenlal E. V. (IN)
  • Qiu Zhiyong (CN)
  • Tani Keiji (JA)
  • Tinguely Alex (US)
  • Turnianskyi Mikhail (EU)
  • Varje Jari (EU)
  • von Hellermann Manfred (EU)
  • Yamamoto Satoshi (JA)
  • Akers Rob (EU)
  • Ayllon-Guerola Juan (EU)
  • Baranov Yuriy (EU)
  • Beatrix Schunke (IO)
  • Chapman Ian (EU)
  • Dvornova Anastasia (EU)
  • García-Muñoz Manuel (EU)
  • Guenter Sibylle (EU)
  • Guoyong Fu (US)
  • Helou Walid (IO)
  • Kramer Gerrit (US)
  • Lin Zhihong (US)
  • Moseev Dmitry (EU)
  • Mukhovatov Vladimir (RF)
  • Nabais Fernando (EU)
  • Ochoukov Roman (EU)
  • Oliver James (US)
  • Polevoi Alexei (IO)
  • Puglia Paulo (EU)
  • Qu Zhisong (AU)
  • Ruiz Ruiz Juan (EU)
  • Schneider Mireille (IO)
  • Shaing Kerchung (US)
  • Testa Duccio (EU)
  • Vallar Matteo (EU)
  • Viezzer Eleonora (EU)
  • Ward Samuel (EU)
  • Zarzoso David (EU)