Doctor of Science, Nagoya University, Mar. 2020

Master of Science, Nagoya University, Mar. 2006

Bachelor of Science, Aoyama Gakuin University, Mar. 2003

Informatics, Statistical science

Humanities & social sciences, Science education

Sep. 2023 - Present
Nagoya University of Economics, Department of Business, Associate Professor

Apr. 2023 - Sep. 2023
Teikyo University of Science, Department of Child Science & Education, Faculty of Education & Human Sciences, Adjunct Lecturer

Mar. 2021 - Aug. 2023
Nihon University, Department of Electrical and Electronic Engineering, College of Industrial Technology, Research Assistant

Apr. 2017 - Mar. 2020
Nagoya University, Graduate School of Science, Department of Particle Physics and Astrophysics

Apr. 2004 - Mar. 2006
Nagoya University, Graduate School of Science, Department of Particle Physics and Astrophysics

Apr. 1999 - Mar. 2003
Aoyama Gakuin University, College of Science and Engineering, Department of Physics

American Institute of Physics, Featured Article (AIP Advances)
★Abundance ratio of multiple velocity distribution components in a single negative ion beamlet produced by a cesium-seeded negative ion source, Official journal
Yasuaki Haba;Mitsutoshi Aramaki;Katsuyoshi Tsumori;Masaki Osakabe;Katsunori Ikeda;Haruhisa Nakano;and Kenichi Nagaoka

The Physical Society of Japan, Student Presentation Award of the Physical Society of Japan (Division 2: Plasma)
★Evaluation of beam optical properties based on phase space structure of negative ion beams for plasma heating, Japan society
Yasuaki Haba

The Physical Society of Japan, Student Presentation Award of the Physical Society of Japan (Division of Beam Physics)
★Experimental evaluation of negative ion beamlet stability, Japan society
Yasuaki Haba

★Modeling of the beam core in phase space using kernel density estimation
Yasuaki Haba
Journal of Physics: Conference Series, Feb. 2024, Refereed
Lead

★Abundance ratio of multiple velocity distribution components in a single negative ion beamlet produced by a cesium-seeded negative ion source
Yasuaki Haba; Mitsutoshi Aramaki; Katsuyoshi Tsumori; Masaki Osakabe; Katsunori Ikeda; Haruhisa Nakano; and Kenichi Nagaoka
AIP Advances, Mar. 2022, Refereed, Not invited
Lead

★Response of beam focusing to plasma fluctuation in a filament-arc-type negative ion source
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; K. Takahashi; H. Nakano; K.; Ikeda; S. Yoshimura; and M. Osakabe
Japanese Journal of Applied Physics, Feb. 2020, Refereed, Not invited
Lead

★Characterisation of negative ion beam focusing based on phase space structure
Yasuaki Haba; Kenichi Nagaoka; Katsuyoshi Tsumori; Masashi Kisaki; Haruhisa Nakano; Katsunori Ikeda and Masaki Osakabe
New Journal of Physics, Feb. 2020, Refereed, Not invited
Lead

★Development of a dual beamlet monitor system for negative ion beam measurements
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; Y. Fujiwara; S. Kamio; S. Yoshimura; and M. Osakabe
Review of Scientific Instruments, Dec. 2018, Refereed, Not invited
Lead

Nonuniform plasma meniscus modelling based on backward calculation of negative ion beamlet
Masashi Kisaki; Kenichi Nagaoka; Jelle Slief; Yasuaki Haba; Ryoya Nakamoto; Katsuyoshi Tsumori; Haruhisa Nakano; Katsunori Ikeda; Masaki Osakabe
Nuclear Fusion, Sep. 2022, Refereed

Deuterium experiment with large-scale negative ion source for large helical device
H. Nakano; M. Kisaki; K. Ikeda; K. Tsumori; K. Nagaoka; Y. Haba; S. Masaki; Y. Fujiwara; S. Kamio; and M. Osakabe
Japanese Journal of Applied Physics, Mar. 2020, Refereed, Not invited

Study of correlation between plasma parameter and beam optics
M. Kisaki; H. Nakano; K. Tsumori; K. Ikeda; S. Masaki; Y. Haba; Y. Fujiwara; K. Nagaoak; and M. Osakabe
Review of Scientific Instruments, Feb. 2020, Refereed, Not invited

Spatial distribution of negative ion density near the plasma grid
S. Masaki; H. Nakano; M. Kisaki; Y. Haba; K. Nagaoka; K. Ikeda; Y. Fujiwara; M. Osakabe; and K. Tsumori
Review of Scientific Instruments, Jan. 2020, Refereed, Not invited

Extension of high power deuterium operation of negative ion based neutral beam injector in the large helical device
K. Ikeda; K. Tsumori; K. Nagaoka; H. Nakano; M. Kisaki; Y. Fujiwara; S.; Kamio; Y. Haba; S. Masaki; and M. Osakabe
Review of Scientific Instruments, Nov. 2019, Refereed, Not invited

Spatiotemporal oscillation of an ion beam extracted from a potential-oscillating,plasma source
K. Takahashi; T. Imagi; M. Ishitomi; K. Nagaoka; Y. Haba; H. Nakano; A.; Ando; M. Kisaki; K. Tsumori; and K. Ikeda
New Journal of Physics, Sep. 2019, Refereed, Not invited

Exploring deuterium beam operation and the behavior of the co-extracted electron current in a negative-ion-based neutral beam injector
K. Ikeda; K. Tsumori; H. Nakano; M. Kisaki; K. Nagaoka; S. Kamio; Y. Fujiwara; Y. Haba; and M. Osakabe
Nuclear Fusion, May 2019, Refereed, Not invited

Caesiated H− Source Operation with Helium
K. Tsumori; M. Wada; H. Nakano; M. Kisaki; K. Ikeda; Y. Haba; K. Nagaoka; S. Kamio; Y. Fujiwara; and M. Osakabe
AIP Conference Proceedings, Dec. 2018, Refereed, Not invited

Demonstration of Beam Optics Optimization Using Plasma Grid Bias in a Negative Ion Source
M. Kisaki; K. Ikeda; H. Nakano; K. Tsumori; Y. Fujiwara; Y. Haba; S. Kamio; K. Nagaoka; and M. Osakabe
Plasma and Fusion Research, Oct. 2018, Refereed, Not invited

First Results of Deuterium Beam Operationon Neutral Beam Injectors in the Large Helical Device
K. Ikeda; K. Tsumori; M. Kisaki; H. Nakano; K. Nagaoka; M. Osakabe; S. Kamio; Y. Fujiwara; Y. Haba; and Y. Takeiri
AIP Conference Proceedings, Sep. 2018, Refereed, Not invited

The IRSF Magellanic Clouds Point Source Catalog
D. Kato; C. Nagashima; T. Nagayama; M. Kurita; J. F. Koerwer; T. Kawai; T. Yamamuro; T. Zenno; S. Nishiyama; D. Baba; R. Kadowaki; Y. Haba; H.; Hatano; H. Shimizu; M. Nishimura; T. Nagata; S. Sato; Y. Murai; T. Kawazu; Y. Nakajima; H. Nakaya; R. Kandori; N. Kusakabe; A. Ishihara; N. Kaneyasu; J. Hashimoto; M. Tamura; T. Tanab´e; Y. Ita; N. Matsunaga; Y. Nakada; K. Sugitani; K. Wakamatsu; I. S. Glass; M. W. Feast; J. W. Menzies; P. A. Whitelock; P. Fourie; J. Stoffels; G. P. Evans; and T. Hasegawa
Publications of the Astronomical Society of Japan, Jun. 2007, Refereed, Not invited

Herbig Ae/Be Stars in the Magellanic Bridge
S. Nishiyama; Y. Haba; D. Kato; D. Baba; H. Hatano; M. Tamura; Y. Nakajima; A. Ishihara; T. Nagata; K. Sugitani; N. Matsunaga; H. Fukushi; N. Kusakabe; and S. Sato
Astrophysical Journal, Mar. 2007, Refereed, Not invited
Corresponding

Deep Near-Infrared Imaging toward the Vela Molecular Ridge C. II. New Protostars and Embedded Clusters in Vela C
D. Baba; S. Sato; C. Nagashima; S. Nishiyama; D. Kato; Y. Haba; T. Nagata; T. Nagayama; M. Tamura; and K. Sugitani
Astronomical Journal, Sep. 2006, Refereed, Not invited

A Distinct Structure inside the Galactic Bar
S. Nishiyama; T. Nagata; D. Baba; Y. Haba; R. Kadowaki; D. Kato; M. Kurita; C. Nagashima; T. Nagayama; Y. Murai; Y. Nakajima; M. Tamura; H. Nakaya; K. Sugitani; T. Naoi; N. Matsunaga; T. Tanab´e; N. Kusakabe; and S. Sato
Astrophysical Journal, Feb. 2005, Refereed, Not invited

Modeling of the beam core in phase space using kernel density estimation
Yasuaki Haba
12th International Conference on Mathematical Modeling in the Physical Sciences, Aug. 2023, The IC-MSQUARE, Not invited

Development of a compact negative ion source toward improving beam focusing of surface produced negative ions
Yasuaki Haba; Mitsutoshi Aramaki
Academic Lectures at the College of Industrial Technology, Nihon University, Dec. 2022, College of Industrial Technology, Nihon University, Not invited

Development of a compact negative ion source toward further understanding of velocity distributions for single negative ion beam
Y. Haba; T. Inakazu; and M. Aramaki
The 31st International Toki Conference on Plasma and Fusion Research, Nov. 2022, National Institute for Fusion Science, Not invited

Development of a compact negative ion source toward improving beam focusing based on phase space structure
Y. Haba; T. Inakazu; M. Aramaki
The Physical Society of Japan 2022 Autumn Meeting, Sep. 2022, The Physical Society of Japan, Not invited

Works for improving negative ion beam focusing at Nihon University and at NIFS
Y. Haba; T. Inakazu; and M. Aramaki
International Workshop on High Energy Science and Related Research, Jun. 2022, College of Industrial Technology, Nihon University, Not invited

Experimental study on focusing of a negative ion beam aimed at fusion plasma heating
Y. Haba; M. Aramaki; K. Tsumori; H. Nakano; M. Osakabe; K. Ikeda; T. Hamajima; and K. Nagaoka
ISPlasma 2022 / IC-PLANTS 2022, Mar. 2022, The Japan Society of Applied Physics, Not invited

Evaluation of beam focusing based on transverse velocity distributions
Yasuaki Haba; Mitsutoshi Aramaki; Kenichi Nagaoka; Katsuyoshi Tsumori
Academic Lectures at the College of Industrial Technology, Nihon University, Dec. 2021, College of Industrial Technology, Nihon University, Not invited

First observation of two-dimensional velocity distribution functions of multiple velocity components in a single isolated negative ion beamlet aimed at fusion plasma heating
Y. Haba; M. Aramaki; K. Nagaoka; K. Tsumori; H. Nakano; K. Ikeda; T. Hamajima; and M. Osakabe
The 30th International Toki Conference on Plasma and Fusion Research, Nov. 2021, Institute for Fusion Science, National Institutes of Natural Sciences

Behavior of multiple Gaussian beam components in a single negative ion beam aimed at fusion plasma heating
Y. Haba; M. Aramaki; K. Nagaoka; K. Tsumori; H. Nakano; K. Ikeda; and M. Osakabe
74th Annual Gaseous Electronics Conference, Oct. 2021, American Physical Society, Not invited

Experimental study on degradation mechanism of negative ion beam focusing
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; S. Yoshimura; and M. Osakabe
Joint Project Symposium of Sendai Plasma Forum and Research Institute of Electrical Communication, Feb. 2020, Sendai Plasma Forum, Research Institute of Electrical Communication, Not invited

Trends of negative ion beam focusing based on phase space structure
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; and M. Osakabe
Workshop on negative ions, Sep. 2019, National Institute for Fusion Science, Not invited

Optimization of negative ion beam for plasma heating using phase space structure
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; and M. Osakabe
The Physical Society of Japan 2019 Autumn Meeting, Sep. 2019, The Physical Society of Japan, Not invited

Investigation of stability of plasma meniscus in a negative ion source
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; S. Yoshimura; and M. Osakabe
Frontiers in Plasma Science, Aug. 2019, National Institute for Fusion Science, Not invited

Experimental observation of negative ion beam oscillation with a filament-arc-type negative ion source
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; K. Takahashi; H. Nakano; K. Ikeda; S. Yoshimura; and M. Osakabe
The Joint Conference of XXXIV Int. Conf. on Phenomena in Ionized Gases (ICPIG) and the 10th Int. Conf. on Reactive Plasmas (ICRP), Jul. 2019, Int. Conf. on Phenomena in Ionized Gases (ICPIG) and Int. Conf. on Reactive Plasmas (ICRP), Not invited

Investigation of beam stability of negative ions
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; S. Yoshimura; and M. Osakabe
The Physical Society of Japan 2019 (74th) Annual Meeting, Mar. 2019, The Physical Society of Japan, Not invited

Measurement of phase space structure of a negative ion beamlet for fusion plasma heating
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; S. Yoshimura; and M. Osakabe
Workshop on negative ions, Dec. 2018, National Institute for Fusion Science, Not invited

High time resolution measurement for current profile of a negative ion beam
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; Y. Fujiwara; S. Kamio; S. Yoshimura; and M. Osakabe
The Japan Society of Plasma Science and Nuclear Fusion Research 35th Annual Meeting, Dec. 2018, The Japan Society of Plasma Science and Nuclear Fusion Research, Not invited

Development of a new beamlet monitor system: time resolution and phase space structure
Y. Haba, K. Nagaoka, K. Tsumori, M. Kisaki, H. Nakano, K. Ikeda, Y. Fujiwara, S. Kamio, S. Yoshimura, and M. Osakabe
6th Int. Symp. on Negative Ions, Beams and Sources (NIBS’18), Sep. 2018, Int. Symp. on Negative Ions, Beams and Sources, Not invited

Detailed measurement of a negative ion beamlet
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; Y. Fujiwara; S. Kamio; S. Yoshimura; M. Osakabe
Frontiers in Plasma Science, Aug. 2018, National Institute for Fusion Science, Not invited

Evaluation of phase space structure of a negative ion beam applied for fusion plasma heating
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; Y. Fujiwara; S. Kamio; S. Yoshimura; and M. Osakabe
The Physical Society of Japan 2018 (73th) Annual Meeting, Mar. 2018, The Physical Society of Japan, Not invited

Observation of non-Gaussian components within a negative ion beam created at NIFS-NBTS
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; Y. Fujiwara; S. Kamio; S. Yoshimura; and M. Osakabe
Joint Project Symposium of Sendai Plasma Forum and Research Institute of Electrical Communication, Feb. 2018, Sendai Plasma Forum, Research Institute of Electrical Communication, Not invited

Experimental observation of phase space structure of a negative hydrogen ion beam
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; Y. Fujiwara; S. Kamio; S. Yoshimura; and M. Osakabe
GESL Workshop Numerical Modeling of Negative Ion Sources and Its Comparison with Experiments, Jan. 2018, Keio University, Not invited

Evaluation of phase space structure of a negative ion beam aimed at fusion plasma heating
Y. Haba, K. Nagaoka, K. Tsumori, M. Kisaki, H. Nakano, K. Ikeda, Y. Fujiwara, S. Kamio, S. Yoshimura, and M. Osakabe
Workshop on negative ions, Dec. 2017, National Institute for Fusion Science, Not invited

Experimental observation of phase space structure of a negative hydrogen ion beam for plasma heating
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; Y. Fujiwara; S. Kamio; S. Yoshimura; and M. Osakabe
The 26th International Toki Conference on Plasma and Fusion Research, Dec. 2017, Institute for Fusion Science, National Institutes of Natural Sciences, Not invited

Experimental observation of phase space structure of a negative hydrogen ion beam for plasma heating
Y. Haba; K. Nagaoka; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; Y. Fujiwara; S. Kamio; S. Yoshimura; M. Osakabe
Plasma Conference, Nov. 2017, The Physical Society of Japan, The Japan Society of Plasma Science and Nuclear Fusion Research, Not invited

Experimental evaluation of phase space structure of a negative ion beam by means of pepper pot method
Y. Haba; K. Nagaoka; S. Yoshimura; K. Tsumori; M. Kisaki; H. Nakano; K. Ikeda; Y. Fujiwara; and M. Osakabe
Frontiers in Plasma Science, Aug. 2017, National Institute for Fusion Science, Not invited

Sep. 2023 - Present
The Japanese Society for the Study of Career Education

2017 - Present
The Physical Society of Japan

Control of negative ion beam focusing and identification of origins of multiple velocity distribution components within a negative ion beam
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Apr. 2022 - Mar. 2025
Yasuaki Haba

Development of phase space analysis method toward well focused negative ion beam
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Aug. 2021 - Mar. 2023
Yasuaki Haba

Beam extraction boundary physics and control of particle dynamics for steady state negative ion sources
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Oct. 2018 - Mar. 2023
Kenichi Nagaoka, Kenji Miyamoto, Masashi Kisaki, Kazunori Takahashi, Haruhisa Nakano, Shuji Kamio, Yasuaki Haba

Information Security Management, Ministry of Economy, Trade and Industry
Mar. 2024

Fundamental Information Technology Engineer, Ministry of Economy, Trade and Industry
Mar. 2024

Specialized Teaching License for Middle School Education (Science), Ministry of Education, Culture, Sports, Science and Technology
Mar. 2014

Specialized Teaching License for Secondary Education (Science), Ministry of Education, Culture, Sports, Science and Technology
Mar. 2006

Microsoft Certified Professional, Microsoft Corporation
Jul. 2003

First Grade Abacus Proficiency Certificate, The Japan Chamber of Commerce and Industry
Feb. 1990