J. T. Lewis

Overview of T and D–T results in JET with ITER-like wall

Domenico Abate, N. Abid, P. Abreu, O. Adabonyan et autres

Abstract In 2021 JET exploited its unique capabilities to operate with T and D–T fuel with an ITER-like Be/W wall (JET-ILW). This second major JET D–T campaign (DTE2), after DTE1 in 1997, represented the culmination of a series of JET enhancements—new fusion …

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Enhanced performance in fusion plasmas through turbulence suppression by megaelectronvolt ions

S. Mazzi, J. García, D. Zarzoso, Ye. O. Kazakov et autres

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Overview of JET results for optimising ITER operation

J. Mailloux, N. Abid, K. Abraham, P. Abreu et autres

Abstract The JET 2019–2020 scientific and technological programme exploited the results of years of concerted scientific and engineering work, including the ITER-like wall (ILW: Be wall and W divertor) installed in 2010, improved diagnostic capabilities now fully available, a major neutral beam …

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Data and Analysis Code for 'Comparing multiple statistical methods for inverse prediction in nuclear forensics applications'

J. T. Lewis

R script and data to reproduce some of the results in 'Comparing multiple statistical methods for inverse prediction in nuclear forensics applications'

Analysis Code - Data Analysis in 'Leveraging Multiple Statistical Methods for Inverse Prediction in Nuclear Forensics Applications' (LMSMIPNFA) v. 1.0

J. T. Lewis

R code that performs the analysis of a data set presented in the paper ‘Leveraging Multiple Statistical Methods for Inverse Prediction in Nuclear Forensics Applications’ by Lewis, J., Zhang, A., Anderson-Cook, C. It provides functions for doing inverse predictions in this setting …

Eccentricity Effects on Change Detection

Pooja Patel, J. T. Lewis, Mark B. Neider

Attention capture effects are generally attenuated as stimuli are presented further from fovea (Carrasco & Yeshurun, 1998). However, the nature of this effect has not been characterized across different types of stimulus changes. In the current study, we used a singleton array …

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Potential Energy Surfaces for C[sub 2]H[sub 2]−X Systems and Quantum Collisional Line Broadening

Franck Thibault, J. T. Lewis, Adriana Predoi−Cross

We discuss the sensitivity of the pressure broadening cross‐sections to the choice and properties of a potential energy surface. We compare the dihydrogen pressure broadening cross‐sections for isotropic Raman and infrared acetylene lines. Because of their particular interest we also compare the …

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Width and Shift Coefficients in O[sub 2]-Broadened CO[sub 2]: Bands at 6227 and 6348 cm[sup −1] Using a Constrained Multispectrum Analysis

V. Malathy Devi, D. Chris Benner, Charles E. Miller, Adriana Predoi−Cross et autres

Lorentz half width and pressure‐induced shift coefficients, and speed dependence parameters for oxygen‐broadened CO2 transitions in the 30013←00001 (6227 cm−1) and 30012←00001 (6348 cm−1) bands were measured employing a non linear least squares multispectrum fitting technique. The high‐resolution spectra used in the …

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Stark Profiles In Plasmas Interacting With A Strong Oscillatory Quasi-Monochromatic Electric Field

P. Sauvan, E. Dalimier, Eugene Oks, O. Renner et autres

This paper presents an advanced analysis of the spectroscopic signatures of the interaction of a strong oscillating Quasi‐monochromatic Electric Field (QEF), generated by a high‐power short‐pulse laser, with a preformed laser‐produced plasma. The computation of a synthetic spectrum emitted by such plasmas …

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Revisiting the Stark Broadening by fluctuating electric fields using the Continuous Time Random Walk Theory

H. Capes, Magdalena D. Christova, D. Boland, F. Catoire et autres

International audience

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Modeling of Hydrogen Line Shapes for the Diagnostic of ITER

J. Rosato, V. Kotov, D. Reiter, H. Capes et autres

The state of art of the line shape modeling techniques involved in tokamak edge plasma spectroscopy is reported, in the context of the preparation for ITER. Hydrogen spectra are calculated assuming a line‐of‐sight crossing a 2D‐plasma background obtained from numerical simulations. The …

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Improved Frequency Fluctuation Model for Spectral Line Shape Calculations in Fusion Plasmas

S. Ferri, A. Calisti, C. Mossé, B. Talin et autres

A very fast method to calculate spectral line shapes emitted by plasmas accounting for charge particle dynamics and effects of an external magnetic field is proposed. This method relies on a new formulation of the Frequency Fluctuation Model (FFM), which yields to …

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