MFE: Low Aspect Ratio Tokamaks

Presentations

• NIMROD simulations of high beta MAST-U shots in support of Disruption Event Characterization and Forecasting (DECAF)

  ORAL

  Nov. 19, 2025, 9:30 AM – Nov. 19, 2025, 9:42 AM

  Presenters

  • Joseph R Jepson

    • Columbia University

  Authors

  • Joseph R Jepson

    • Columbia University

  • Steve A Sabbagh

    • Columbia U. / PPPL
    • Columbia University

  • Eric Howell

    • Fiat Lux

  • Guillermo Bustos-Ramirez

    • Columbia University

  • Hankyu Lee

    • Columbia University

  • Juan D Riquezes

    • Columbia University

  • Frederick Sheehan

    • Columbia University

  • Grant Tillinghast

    • Columbia University

  • Matthew Tobin

    • Columbia University

  • Veronika Zamkovska

    • Columbia University

  • Christopher Ham

    • Culham Science Centre

  View abstract →

• Disruption event chain analysis of high-radiation and high-density triggered disruptions in NSTX and MAST-U

  ORAL

  Nov. 19, 2025, 9:42 AM – Nov. 19, 2025, 9:54 AM

  Presenters

  • Frederick Sheehan

    • Columbia University

  Authors

  • Frederick Sheehan

    • Columbia University

  • Steve A Sabbagh

    • Columbia U. / PPPL
    • Columbia University

  • Guillermo Bustos-Ramirez

    • Columbia University

  • Joseph R Jepson

    • Columbia University

  • Hankyu Lee

    • Columbia University

  • Grant Tillinghast

    • Columbia University

  • Matthew Tobin

    • Columbia University

  • Juan D Riquezes

    • Columbia University

  • Veronika Zamkovska

    • Columbia University

  • Christopher Ham

    • Culham Science Centre

  • James R Harrison

    • United Kingdom Atomic Energy Authority

  • Jayhyun Kim

    • Korea Institute of Fusion Energy

  • Young-Seok Park

    • Korea Institute of Fusion Energy

  View abstract →

• The impact of impurities and fusion-αs on STEP turbulence

  ORAL

  Nov. 19, 2025, 9:54 AM – Nov. 19, 2025, 10:06 AM

  Presenters

  • Arkaprava Bokshi

  Authors

  • Arkaprava Bokshi

  • David Dickinson

    • University of York

  • Maurizio Giacomin

    • Dipartimento di Fisica "G. Galilei", Università degli Studi di Padova, Padova, Italy

  • Francis J Casson

    • United Kingdom Atomic Energy Authority, Culham Campus, Abingdon, UK

  • Daniel Thomas Kennedy

    • UK Atomic Energy Authority
    • United Kingdom Atomic Energy Authority, Culham Campus, Abingdon, OX14 3DB, UK

  • Bhavin S Patel

    • UK Atomic Energy Authority
    • United Kingdom Atomic Energy Authority, Culham Campus, Abingdon, OX14 3DB, UK

  • Colin M Roach

    • United Kingdom Atomic Energy Authority

  View abstract →

• Effect of rotation on impurity density and radiated power asymmetries in NSTX and STAR

  ORAL

  Nov. 19, 2025, 10:06 AM – Nov. 19, 2025, 10:18 AM

  Publication: K. Shah et al., Plasma Phys. Control. Fusion submitted, currently under review.

  Presenters

  • Kajal Shah

    • Princeton Plasma Physics Laboratory

  Authors

  • Kajal Shah

    • Princeton Plasma Physics Laboratory

  • John W Berkery

    • Princeton Plasma Physics Laboratory (PPPL)
    • Princeton Plasma Physics Laboratory

  • Jonathan Edward Menard

    • Princeton Plasma Physics Laboratory (PPPL)

  • Luis F Delgado-Aparicio

    • Princeton Plasma Physics Laboratory

  • Masayuki Ono

    • Princeton Plasma Physics Laboratory (PPPL)

  View abstract →

• Simulations of transport mechanisms across the X-points in snowflake divertors

  ORAL

  Nov. 19, 2025, 10:18 AM – Nov. 19, 2025, 10:30 AM

  Publication: D. Power, M. V. Umansky, V. A. Soukhanovskii, Simulations of the churning mode: toroidally symmetric plasma convection and turbulence around the X-points in a snowflake divertor, submitted to journal; arXiv: https://arxiv.org/abs/2505.21223

  Presenters

  • Dominic Power

    • Lawrence Livermore National Laboratory

  Authors

  • Dominic Power

    • Lawrence Livermore National Laboratory

  • Maxim V Umansky

    • Lawrence Livermore National Laboratory

  • Vlad Soukhanovskii

    • Lawrence Livermore National Laboratory

  View abstract →

• Full-orbit NBI injection studies for the SMART tokamak

  ORAL

  Nov. 19, 2025, 10:30 AM – Nov. 19, 2025, 10:42 AM

  Presenters

  • Gerrit J Kramer

    • Princeton Plasma Physics Laboratory (PPPL)

  Authors

  • Gerrit J Kramer

    • Princeton Plasma Physics Laboratory (PPPL)

  • Lina Velarde-Gallardo

    • Universidad de Sevilla, Sevilla, Spain

  • Juan m Ordonez-Jimenez

    • Universidad de Sevilla, Sevilla, Spain

  • John W Berkery

    • Princeton Plasma Physics Laboratory (PPPL)
    • Princeton Plasma Physics Laboratory

  • F. Puentes del Pozo

    • Universidad de Sevilla, Sevilla, Spain

  • Diego J Cruz-Zabala

    • Universidad de Sevilla, Sevilla, Spain

  • Carlos Lopez Jimenez

    • Universidad de Sevilla, Sevilla, Spain

  • Manuel Garcia-Munoz

    • Universidad de Sevilla, Sevilla, Spain
    • Universidad de Sevilla

  • Eleonora Viezzer

    • Universidad de Sevilla, Sevilla, Spain
    • Department of Atomic, Molecular and Nuclear Physics, University of Seville, Av. Reina Mercedes, Seville, 41012, Spain

  View abstract →

• Characterization of filament morphology in NSTX plasmas

  ORAL

  Nov. 19, 2025, 10:42 AM – Nov. 19, 2025, 10:54 AM

  Publication: Physics of Plasmas, "Evolution of intermittent filaments in the scrape-off layer of NSTX" (Submitted)

  Presenters

  • Mate Lampert

    • Princeton Plasma Physics Laboratory (PPPL)

  Authors

  • Mate Lampert

    • Princeton Plasma Physics Laboratory (PPPL)

  • Ahmed Diallo

    • Princeton Plasma Physics Laboratory (PPPL)

  • James R. Myra

    • Lodestar Research Corporation

  View abstract →

• The Effects of Gas Puff Locations and Divertor Closure on Detachment Conditions in MAST-U

  ORAL

  Nov. 19, 2025, 10:54 AM – Nov. 19, 2025, 11:18 AM

  Presenters

  • Kuanwei Lee

    • University of Tennessee Knoxville

  Authors

  • Kuanwei Lee

    • University of Tennessee Knoxville

  • Livia Casali

    • University of Tennessee Knoxville

  • Jakeb Smiskey

    • University of Tennessee Knoxville

  • David Moulton

    • UK Atomic Energy Authority (UKAEA)

  • Peter Ryan

    • UK Atomic Energy Authority (UKAEA)

  • Nicola Lonigro

    • University of York

  View abstract →

• Impact of Divertor Neutral Sourcing on Pedestal Performance in MAST-U

  ORAL

  Nov. 19, 2025, 11:18 AM – Nov. 19, 2025, 11:30 AM

  Presenters

  • Davis C Easley

    • Oak Ridge Associated Universities ; Oak Ridge National Laboratory
    • University of Tennessee

  Authors

  • Davis C Easley

    • Oak Ridge Associated Universities ; Oak Ridge National Laboratory
    • University of Tennessee

  • Bartosz Lomanowski

    • Oak Ridge National Laboratory

  • Steven Thomas

    • MIT Plasma Science and Fusion Center
    • MIT

  • Jerry W Hughes

    • MIT Plasma Science and Fusion Center
    • Massachusetts Institute of Technology

  • Jack J Lovell

    • Oak Ridge National Laboratory

  • Christopher Beckley

    • United Kingdom Atomic Energy Authority
    • United Kingdom Atomic Energy Authority, Culham Campus

  • Ivan Paradela Perez

    • Oak Ridge National Laboratory

  • Jeremy Lore

    • Oak Ridge National Laboratory

  • Peter Ryan

    • UK Atomic Energy Authority (UKAEA)

  • Ephrem Delabie

    • Oak Ridge National Laboratory

  • Fabio Federici

    • ORNL
    • Oak Ridge National Laboratory

  View abstract →

• Solenoid-Free Plasma Initiation Research on the Pegasus-III Experiment

  ORAL

  Nov. 19, 2025, 11:30 AM – Nov. 19, 2025, 11:42 AM

  Presenters

  • Timothy N Tierney

    • University of Wisconsin - Madison

  Authors

  • Stephanie J Diem

    • University of Wisconsin - Madison

  • Timothy N Tierney

    • University of Wisconsin - Madison

  • Mary W Aslin

    • University of Wisconsin - Madison

  • Christopher Billingham

    • University of Washington

  • Michael W Bongard

    • University of Wisconsin - Madison

  • Corden D T. Browne

    • University of Wisconsin-Madison

  • Carlos A Cartagena-Sanchez

    • University of Wisconsin-Madison

  • Carter J Edwardson

    • University of Wisconsin-Madison

  • John A Goetz

    • University of Wisconsin - Madison

  • Andrew Ingram

    • University of Wisconsin - Madison

  • Benjamin A Kujak-Ford

    • University of Wisconsin-Madison

  • Benjamin T Lewicki

    • University of Wisconsin-Madison

  • Mark D Nornberg

    • University of Wisconsin - Madison

  • Jilliann K Peery

    • University of Wisconsin-Madison

  • Roger Raman

    • University of Washington

  • Sophie Redd

    • University of Wisconsin - Madison

  • Joshua A Reusch

    • University of Wisconsin - Madison

  • Cuauhtemoc Rodriguez Sanchez

    • University of Wisconsin - Madison

  • Carolyn E Schaefer

    • University of Wisconsin - Madison

  • Aaron C. Sontag

    • University of Wisconsin - Madison

  • Carl R Sovinec

    • University of Wisconsin - Madison

  • Tyler J Walters

    • University of Wisconsin-Madison

  • Justin Daniel Weberski

    • University of Wisconsin - Madison

  • Zoe E Wilderspin

    • University of Wisconsin Madison

  View abstract →

• Magnetic Equilibrium Reconstruction in LTX-𝞫 Tokamak with 3D Eddy Current Effects Using TokaMaker

  ORAL

  Nov. 19, 2025, 11:42 AM – Nov. 19, 2025, 11:54 AM

  Publication: R. Shousha et al, Systematic analysis of magnetic equilibrium reconstruction with eddy currents on LTX-𝞫, submitted to Nuclear Fusion

  Presenters

  • Ricardo Shousha

    • Princeton Plasma Physics Laboratory (PPPL)
    • Princeton Plasma Physics Laboratory

  Authors

  • Ricardo Shousha

    • Princeton Plasma Physics Laboratory (PPPL)
    • Princeton Plasma Physics Laboratory

  • Christopher J Hansen

    • Columbia University

  • Anurag Maan

    • Princeton Plasma Physics Laboratory (PPPL)

  • Andrew O Nelson

    • Columbia University

  • Dennis P Boyle

    • Princeton Plasma Physics Laboratory (PPPL)

  • Santanu Banerjee

    • Princeton Plasma Physics Laboratory (PPPL)

  • Shigeyuki Kubota

    • University of California, Los Angeles

  • Boting Li

    • Princeton Plasma Physics Laboratory (PPPL)

  • Hussain Gajani

    • University of Wisconsin - Madison

  • Javier Jose Morales

    • Princeton University

  • Camila Lopez Perez

    • Pennsylvania State University

  • Tosh Xavier Keating Le

    • Princeton Plasma Physics Laboratory
    • Carleton College

  • Richard Majeski

    • Princeton Plasma Physics Laboratory
    • Princeton Plasma Physics Laboratory (PPPL)

  View abstract →

• Aspect ratio dependence of fast ion effects on neoclassical tearing mode growth from comparison between DIII-D and NSTX

  ORAL

  Nov. 19, 2025, 11:54 AM – Nov. 19, 2025, 12:06 PM

  Presenters

  • James J Yang

    • Princeton Plasma Physics Laboratory (PPPL)

  Authors

  • James J Yang

    • Princeton Plasma Physics Laboratory (PPPL)

  • Robert John La Haye

    • General Atomics

  • Eric D Fredrickson

    • Princeton Plasma Physics Laboratory

  • John W Berkery

    • Princeton Plasma Physics Laboratory (PPPL)
    • Princeton Plasma Physics Laboratory

  • Mario L Podesta

    • Ecole Polytechnique Federale de Lausanne

  View abstract →

• Nonlinear simulations of TAEs in NSTX-U

  ORAL

  Nov. 19, 2025, 12:06 PM – Nov. 19, 2025, 12:18 PM

  Presenters

  • Elena Belova

    • Princeton Plasma Physics Laboratory (PPPL)

  Authors

  • Elena Belova

    • Princeton Plasma Physics Laboratory (PPPL)

  • Eric D Fredrickson

    • Princeton Plasma Physics Laboratory

  • Chang Liu

    • Peking University
    • Peking Univ

  • Neal A Crocker

    • University of California, Los Angeles

  View abstract →

• The Role of a Higher-Order Coaxial Mode in the Parasitic Coupling of High-Harmonic Fast Waves to the Scrape-off Layer in NSTX-U

  ORAL

  Nov. 19, 2025, 12:18 PM – Nov. 19, 2025, 12:30 PM

  Presenters

  • Seung Gyou Baek

    • Massachusetts Institute of Technology

  Authors

  • Seung Gyou Baek

    • Massachusetts Institute of Technology

  • Ricardo Antonio De Levante Rodriguez

    • Massachusetts Institute of Technology

  • Paul Thaddeus Bonoli

    • Massachusetts Institute of Technology

  • Nicola Bertelli

    • Princeton Plasma Physics Laboratory (PPPL)

  • Syun'ichi Shiraiwa

    • Princeton Plasma Physics Laboratory

  View abstract →

• Ubiquitous Mode Transport in Reversed Shear Plasmas: A Gyrokinetic Study

  ORAL

  Nov. 19, 2025, 12:30 PM – Nov. 19, 2025, 12:42 PM

  Presenters

  • Sagar Choudhary

    • Institute for Plasma Research, Bhat, Gandhinagar, Gujarat 382428, India; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India

  Authors

  • Sagar Choudhary

    • Institute for Plasma Research, Bhat, Gandhinagar, Gujarat 382428, India; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India

  • Gopal K Mailapalli

    • Institute for Plasma Research, Bhat, Gandhinagar, Gujarat 382428, India; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India

  • Jugal Chowdhury

    • Institute for Plasma Research, Bhat, Gandhinagar, Gujarat 382428, India; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India

  • Amit K Singh

    • Institute for Plasma Research, Bhat, Gandhinagar, Gujarat 382428, India; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India

  • Thomas H Schneider

    • Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748 Garching, Germany

  • Emmanuel Lanti

    • Ecole Polytechnique Fédérale de Lausanne, SCITAS, CH-1015 Lausanne, Switzerland

  • Ganesh Rajaraman

    • Institute for Plasma Research, Bhat, Gandhinagar, Gujarat 382428, India; Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India

  • Laurent Villard

    • Ecole Polytechnique Fédérale Lausanne, Swiss Plasma Center (SPC), CH-1015 Lausanne, Switzerland

  View abstract →