Volume 21 Special Issue 1 (2026)

Papers from the 22nd International Conference on Atomic Processes in Plasmas (APiP 2025) and 1st NIFS Conference on Atomic and Molecular Processes in Plasmas

Preface

Overview Articles

Triumphs, Twilight and Resurgence of the NIST Atomic Spectroscopy Group
Yuri RALCHENKO
Plasma and Fusion Res. 21, 2501015 (2026) <Published on 31 March 2026>

Regular Articles

Atomic Processes in Laser-Produced Tin Plasmas for the Efficient Emission of Extreme-Ultraviolet (EUV) Radiation
Akira SASAKI, Atsushi SUNAHARA, Katsunobu NISHIHARA, Yu YAMAMOTO, Nozomi TANAKA, Shinsuke FUJIOKA, Tomoyuki JOHZAKI, Kentaro TOMITA, Masashi YOSHIMURA
Plasma Fusion Res. 21, 2401001 (2026) <Published on 31 March 2026>

Regular Articles

Fe XVIII–XXIV Kβ Inner-Shell Absorption Lines in the X-Ray Spectra of Neutron Star and Black Hole Binaries with XRISM
Masahiro TSUJIMOTO, Daiki MIURA, Hiroya YAMAGUCHI, Ehud BEHAR, Chris DONE, María DÍAZ TRIGO, Chamani M. GUNASEKERA, Peter A. M. VAN HOOF, Stefano BIANCHI, Maryam DEHGHANIAN, Gary J. FERLAND
Plasma Fusion Res. 21, 2401002 (2026) <Published on 31 March 2026>

Regular Articles

Observation of a 111.9 nm Narrow Spectral Line Emitted from Ne-Like Al Ion in Laser-Produced Plasmas
Yu TAKEHIRO, Shusen GAO, Yuito NISHII, Maki KISHIMOTO, Tomoyuki JOHZAKI, Kotaro YAMASAKI, Takeshi HIGASHIGUCHI, Shinichi NAMBA
Plasma Fusion Res. 21, 2401004 (2026) <Published on 31 March 2026>

Regular Articles

Benchmarking the Plane-Wave Born and Distorted Waves Approximations for Electron-Impact Collision Strength Computations: the Sample Case of Sr II
Jérôme DEPRINCE, Lucas MAISON
Plasma Fusion Res. 21, 2401005 (2026) <Published on 31 March 2026>

Regular Articles

Photoexcitation Spectroscopy of Highly Charged Ions for Application to Astronomy Using a Compact Electron Beam Ion Trap (EBIT) at the Synchrotron Radiation Facility SPring-8
Leo HIRATA, Yuki AMANO, Moto TOGAWA, Hiroyuki A. SAKAUE, Nobuyuki NAKAMURA, Makoto SAWADA, Hiromasa SUZUKI, Masaki OURA, Hiroya YAMAGUCHI
Plasma Fusion Res. 21, 2401006 (2026) <Published on 31 March 2026>

Regular Articles

Mapping Rydberg States of H₂ with the Halfium R-Matrix Method
Rawand MEZLINI, Soumaya BEZZAOUIA, David HVIZDOS, Chris. H. GREENE, Christian JUNGEN, Ioan F. SCHNEIDER, Mourad TELMINI
Plasma Fusion Res. 21, 2401009 (2026) <Published on 31 March 2026>

Regular Articles

Adiabatic States of Atomic Hydrogen in Strong Magnetic Fields
Kazuyoshi YAMADA, Daiji KATO
Plasma Fusion Res. 21, 2401011 (2026) <Published on 31 March 2026>

Regular Articles

Deep Learning of Hydrogen Trapping Sites in Tungsten for Atomistic Plasma-Wall Simulations
Seiki SAITO, Keisuke TAKEUCHI, Hiroaki NAKAMURA, Yasuhiro ODA, Keiji SAWADA, Kazuo HOSHINO, Yuki HOMMA, Shohei YAMOTO, Yuki UCHIDA
Plasma Fusion Res. 21, 2403017 (2026) <Published on 31 March 2026>

Regular Articles

Simulation Study of Neutral Tungsten Emissions for Fusion Applications
Ritu DEY, Ayushi AGRAWAL, Reetesh KUMAR GANGWAR, Deepti SHARMA, Rajesh SRIVASTAVA, Malay B. CHOWDHURI, Joydeep GHOSH
Plasma Fusion Res. 21, 2403022 (2026) <Published on 31 March 2026>

Regular Articles

A Laboratory Plasma Experiment for X-Ray Astronomy Using a Compact Electron Beam Ion Trap (EBIT)
Yuki AMANO, Leo HIRATA, Moto TOGAWA, Hiromasa SUZUKI, Hiroyuki A. SAKAUE, Naoki KIMURA, Nobuyuki NAKAMURA, Makoto SAWADA, Masaki OURA, Jonas DANISCH, Joschka GOES, Marc BOTZ, José R. CRESPO LÓPEZ-URRUTIA, Hiroya YAMAGUCHI
Plasma Fusion Res. 21, 2406003 (2026) <Published on 31 March 2026>

Regular Articles

Measurement of Visible Emission from Laser-Produced Sn Plasma in Hydrogen Atmosphere
Shusen GAO, Keishin WATANABE, Yu TAKEHIRO, Yuito NISHII, Maki KISHIMOTO, Tomoyuki JOHZAKI, Atushi SUNAHARA, Kotaro YAMASAKI, Takeshi HIGASHIGUCHI, Shinichi NAMBA
Plasma Fusion Res. 21, 2406016 (2026) <Published on 31 March 2026>