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Benoît Labit

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Modelling of ETG turbulent transport in the TCV pedestal

Stefano Coda, Stephan Brunner, Benoît Labit, Oleg Krutkin

Results of the first gyrokinetic simulations of the TCV pedestal are presented. Two discharges at varying levels of gas puffing are considered as input parameters for the local GENE simulations. Linear and nonlinear simulations are carried out for electron ...

2025

Milestone in predicting core plasma turbulence: successful multi-channel validation of the gyrokinetic code GENE

Olivier Sauter, Basil Duval, Stefano Coda, Timothy Goodman, Benoît Labit, Alessandro Pau, Federico Alberto Alfredo Felici, Cristian Sommariva, Laurie Porte, Antoine Pierre Emmanuel Alexis Merle

On the basis of several recent breakthroughs in fusion research, many activities have been launched around the world to develop fusion power plants on the fastest possible time scale. In this context, high-fidelity simulations of the plasma behavior on lar ...

2025

Overview of the third JET deuterium-tritium campaign

Olivier Sauter, Holger Reimerdes, Benoît Labit

JET returned to deuterium-tritium operations in 2023 (DTE3 campaign), approximately two years after DTE2. DTE3 was designed as an extension of JET’s 2022-2023 deuterium campaigns, which focused on developing scenarios for ITER and DEMO, integrating in-dept ...

2025

L-H transition database for TCV tokamak (limited dataset)

Benoît Labit, Alessandro Pau

This database is associated with the following paper: L-H power threshold for neutral beam heated plasmas with Deuterium, Hydrogen, Helium and mixed ion species in TCV Benoit Labit, Filippo Bagnato, Basil P Duval, Alexander N Karpushov, Bryan Lee Linehan, ...

Zenodo2025

The quasi-continuous exhaust regime in ASDEX Upgrade and JET

Olivier Sauter, Benoît Labit

The quasi-continuous exhaust (QCE) regime is a type-I ELM-free high confinement regime obtained at high plasma shaping and high separatrix density. A comparison with various ELM-free regimes in the literature is presented together with potential physics mo ...

Elsevier2025

Impact of the Plasma Boundary on Machine Operation and the Risk Mitigation Strategy on Jet

Olivier Sauter, Benoît Labit

This work examines the separatrix and Scrape-off-Layer (SOL) characteristics in three scenarios on JET: the Quasi-Continuous Exhaust (QCE) regime, the ITER Baseline scenario, and the X-point Radiator (XPR) regime. All three scenarios are potentially compat ...

IOP Publishing Ltd2025

First measurements of velocity-space resolved intra-ELM fast-ion losses on the TCV tokamak

Ambrogio Fasoli, Basil Duval, Benoît Labit, Alexander Karpushov, Mario Ludovico Podesta, Umesh Kumar, Jesús Poley Sanjuán

Edge Localised Modes (ELMs) induced fast-ion losses have been characterised in the energy, E, and pitch, λ = v ∥ / v , space using a unique Fast Ion Loss Detector (FILD) on the tokamak à configuration variable. The FILD is equipped with a 128 Avalanche Pho ...

2025

Nonlinear excitation of energetic particle driven geodesic acoustic mode by resonance overlap with Alfvén instability in ASDEX Upgrade

Olivier Sauter, Basil Duval, Stefano Coda, Timothy Goodman, Benoît Labit, Alessandro Pau, Federico Alberto Alfredo Felici, Cristian Sommariva, Laurie Porte, Antoine Pierre Emmanuel Alexis Merle

The Alfvén instability nonlinearly excited the energetic-particle-driven geodesic acoustic mode on the ASDEX-Upgrade tokamak, as demonstrated experimentally. The mechanism of the energetic-particle-driven geodesic acoustic mode excitation and the mode nonl ...

Nature Research2025

Low Collisionality, Peeling Limited Pedestals in Jet-ilw: Effect of Density and Isotope Mass on Pedestal Structure, Pedestal Stability and Pedestal Prediction in Deuterium and Mixed Deuterium/tritium Plasmas

Benoît Labit

Pedestals limited by peeling instabilities have been reached in JET-ILW by operating at high q95, up to q95=8.5. The increase in q95 via the increase of the toroidal field has stabilized the ballooning modes and has allowed to reach high pedestal temperatu ...

IOP Publishing Ltd2025

Survey of the Edge Radial Electric Field in L-mode Tcv Plasmas Using Doppler Backscattering

Stefano Coda, Benoît Labit

A Doppler backscattering (DBS) diagnostic has recently been installed on the Tokamak & agrave; Configuration Variable (TCV) to facilitate the study of edge turbulence and flow shear in a versatile experimental environment. The dual channel V-band DBS syste ...

IOP Publishing Ltd2025

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Nonlinear excitation of energetic particle driven geodesic acoustic mode by resonance overlap with Alfvén instability in ASDEX Upgrade

Olivier Sauter, Basil Duval, Stefano Coda, Timothy Goodman, Benoît Labit, Alessandro Pau, Federico Alberto Alfredo Felici, Cristian Sommariva, Laurie Porte, Antoine Pierre Emmanuel Alexis Merle

Nature Research2025

First measurements of velocity-space resolved intra-ELM fast-ion losses on the TCV tokamak

Ambrogio Fasoli, Basil Duval, Benoît Labit, Alexander Karpushov, Mario Ludovico Podesta, Umesh Kumar, Jesús Poley Sanjuán

2025

Low Collisionality, Peeling Limited Pedestals in Jet-ilw: Effect of Density and Isotope Mass on Pedestal Structure, Pedestal Stability and Pedestal Prediction in Deuterium and Mixed Deuterium/tritium Plasmas

Benoît Labit

IOP Publishing Ltd2025

Survey of the Edge Radial Electric Field in L-mode Tcv Plasmas Using Doppler Backscattering

Stefano Coda, Benoît Labit

IOP Publishing Ltd2025