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

  • Steven 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

  • Steven 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

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

  • Bhavin S Patel

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

  • 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

  • Jack 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

  • Jack 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, Universidad de Sevilla, Sevilla, Spain

  • 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 Perez-Paradela

    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

  • Jack 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 →