Journals
" Injection and capture of antiprotons in a Penning-Malmberg trap using a drift tube accelerator and degrader foil"
C. Amsler, H. Breuker, M. Bumbar, S. Chesnevskaya, G. Costantini, R. Ferragut, M. Giammarchi, A. Gligorova, G. Gosta, H. Higaki, M. Hori, E.D. Hunter, C. Killian, V. Kraxberger, N. Kuroda, A. Lanz, M. Leali, G. Maero, C. Malbrunot, V. Mascagna, Y. Matsuda, V. Mackel, S. Migliorati, D.J. Murtagh, Y. Nagata, A. Nanda, L. Nowak, M. Rome, M.C. Simon, M. Tajima, V. Toso, S. Ulmer, L. Venturelli, A. Weiser, E. Widmann, Y. Yamazaki
Nucl. Instrum. Methodes Phys. Res. A 1065 (2024) 169529.
" Slow positron production and storage for the ASACUSA-Cusp experiment "
D.J. Murtagh, C. Amsler, H. Breuker, M. Bumbar, S. Chesnevskaya, G. Costantini, R. Ferragut, M. Giammarchi, A. Gligorova, G. Gosta, H. Higaki, E.D. Hunter, C. Killian, V. Kraxberger, N. Kuroda, A. Lanz, M. Leali, G. Maero, C. Malbrunot, V. Mascagna, Y. Matsuda, V. Mackel, S. Migliorati, A. Nanda, L. Nowak, F. Parnefjord Gustafsson, S. Rheinfrank, M. Rome, M.C. Simon, M. Tajima, V. Toso, S. Ulmer, L. Venturelli, A. Weiser, E. Widmann, T. Wolz, Y. Yamazaki, J. Zmeskal
J. Plasma Phys. 89 (2023) 905890608.
" SDR, EVC, and SDREVC: Limitations and Extensions "
E.D. Hunter, C. Amsler, H. Breuker, M. Bumbar, S. Chesnevskaya, G. Costantini, R. Ferragut, M. Giammarchi, A. Gligorova, G. Gosta, H. Higaki, C. Killian, V. Kraxberger, N. Kuroda, A. Lanz, M. Leali, G. Maero, C.Malbrunot, V. Mascagna, Y. Matsuda, V.Mackel, S. Migliorati, D. J. Murtagh, A. Nanda, L. Nowak, F. Parnefjord Gustafsson, S. Rheinfrank, M. Rome, M.C. Simon, M. Tajima, V. Toso, S. Ulmer, L. Venturelli, A.Weiser, E. Widmann, Y. Yamazaki and J. Zmeskal
J. Plasma Phys. 89 (2023) 955890501
" The buncher and the magnetic lens for the LINAC based low energy positron beams at AIST "
H. Higaki, K. Michishio, A. Ishida, and N. Oshima
Plasma and Fusion Res. 18 (2023) 1406023
" Efficient positron trapping and extraction with a centre-hole SiC remoderator "
K. Michishio, H. Higaki, A. Ishida, and N. Oshima
New J. Phys. 24 (2022) 123039
" Reducing the background temperature for cyclotron cooling in a cryogenic Penning-Malmberg trap "
C. Amsler, H. Breuker, S. Chesnevskaya, G. Costantini, R. Ferragut, M. Giammarchi, A. Gligorova, G. Gosta, H. Higaki, E. D. Hunter, C. Killian, V. Kletzl, V. Kraxberger, N. Kuroda, A. Lanz, M. Leali, V. Mackel, G. Maero, C. Malbrunot, V. Mascagna, Y. Matsuda, S. Migliorati, D. J. Murtagh, Y. Nagata, A. Nanda, L. Nowak, E. Pasino, M. Rome, M. C. Simon, M. Tajima, V. Toso, S. Ulmer, L. Venturelli, A. Weiser, E. Widmann, T. Wolz, Y. Yamazaki, and J. Zmeskal
Phys. Plasmas 29 (2022) 083303
" Measurement of the principal quantum number distribution in a beam of antihydrogen atoms "
B. Kolbinger, C. Amsler, S. Arguedas Cuendis, H. Breuker, A. Capon, G. Costantini, P. Dupre, M. Fleck, A. Gligorova, H. Higaki, Y. Kanai, V. Kletzl, N. Kuroda, A. Lanz, M. Leali, V. Mackel, C. Malbrunot, V. Mascagna, O. Massiczek, Y. Matsuda, D. J. Murtagh, Y. Nagata, A. Nanda, L. Nowak, B. Radics, C. Sauerzopf, M. C. Simon, M. Tajima, H. A. Torii, U. Uggerhoj, S. Ulmer, L. Venturelli, A. Weiser, M. Wiesinger, E. Widmann, T. Wolz, Y. Yamazaki, and J. Zmeskal
Eur. Phys. J. D 75 (2021) 91
" Accumulation of LINAC based low energy positrons in a buffer gas trap "
H. Higaki, K. Michishio, K. Hashidate, A. Ishida and N. Oshima
Appl. Phys. Express 13 (2020) 066003
" Nonneutral electron plasmas confined with a nested potential in a uniform magnetic field "
H. Higaki, K. Ito, and H. Okamoto
Jpn. J. Appl. Phys. 58 (2019) 080912
" Antiproton beams with low enrgy spread for antihydrogen production "
M. Tajima, N. Kuroda, C. Amsler, H. Breuker, C. Evans, M. Fleck, A. Gligorova,
H. Higaki, Y. Kanai, B. Kolbinger, A. Lanz, M. Leali, V. Mackel, C. Malbrunot, V. Mascagna, Y. Matsuda, D. Murtagh, Y. Nagata, A. Nanda, B. Radics, M. Simon, S. Ulmer, L. Venturelli, E. Widmann, M. Wiesinger and Y. Yamazaki
J. Instrum. 14 (2019) P05009
" Monte-Carlo based performance assessment of ASACUSA's antihydrogen detector "
Y. Nagata, N. Kuroda, B. Kolbinger, M. Fleck, C. Malbrunot, V. Mackel, C. Sauerzopf, M. C. Simon, M. Tajima, J. Zmeskal, H. Breuker,
H. Higaki, Y. Kanai, Y. Matsuda, S. Ulmer, L. Venturelli, E. Widmann, and Y. Yamazaki
Nucl. Instrum. Methodes Phys. Res. A 910 (2018) 90
" Imaging antimatter with a Micromegas detector "
V. Mackel, B. Radics, P. Dupre,
H. Higaki, Y. Kanai, N. Kuroda, Y. Matsuda, Y. Nagata, M. Tajima, E. Widmann, and Y. Yamazaki
Nucl. Instrum. Methodes Phys. Res. B 422 (2018) 1
" Simultaneous confinement of low-energy electrons and positrons in a compact magnetic mirror trap "
H. Higaki, C. Kaga, K. Fukushima, H. Okamoto, Y. Nagata, Y. Kanai, and Y. Yamazaki
New J. Phys. 19 (2017) 023016
" Autoresonances of m=2 diocotron oscillations in non-neutral electron plasmas "
K. Gomberoff,
H. Higaki, C. Kaga, K. Ito, and H. Okamoto
Phys. Rev. E 94 (2016) 043204
"Phase Space Volumes of Non-Neutral Electron Plasmas durig Vortex Merging Processes"
Chikato KAGA, Yukihiro SOGA, Kiyokazu ITO, Hiroyuki HIGAKI, and Hiromi OKAMOTO
Plasma and Fusion Res. 10 (2015) 1201004
"A source of antihydrogen for in-fligh hyperfine spectroscopy"
N. Kuroda, S. Ulmer, D.J. Murtagh, S. Van Gorp, Y. Nagata, M. Diermaier, S. Federmann, M. Leali, C. Malbrunot, V. Mascagna, K. Michishio, T. Mizutani, A. Mohri, H. Nagahama, M. Ohtsuka, B. Radics, S. Sakurai, C. Sauerzopf, K. Suzuki, M. Tajima, H.A. Torii, L. Venturelli, B. Wunschek, J. Zmeskal, N. Zurlo, H. Higaki, Y. Kanai, E. Lodi Rizzini, Y. Nagashima, Y. Matsuda, E. Widmann, and Y. Yamazaki
Nat. Commun. 5 (2014) 3089
" Nonneutral Electron Plasmas Confined in a Compact Magnetic Mirror Trap "
H. Higaki, S. Sakurai, K. Ito, and H. Okamoto
Appl. Phys. Express 5 (2012) 106001
" Development of a monoenergetic ultraslow antiproton beam source for high-precision investigation "
N. Kuroda, H. A. Torii, Y. Nagata, M. Shibata, Y. Enomoto,H. Imao, Y. Kanai, M. Hori, H. Saitoh,
H. Higaki, A. Mohri, K. Fujii, C. H. Kim, Y. Matsuda, K. Michishio, Y. Nagashima, M. Ohtsuka, K. Tanaka, and Y. Yamazaki
Phys. Rev. ST Accel. Beams 15 (2012) 024702
" Controlled Extraction of Ultracold Ions from a Linear Paul Trap for Nanobeam Production "
Kenji IZAWA, Kiyokazu ITO, Hiroyuki HIGAKI, and Hiromi OKAMOTO
J. Phys. Soc. Jpn. 79 (2010) 124502
" Synthesis of Cold Antihydrogen in a Cusp Trap "
Y. Enomoto, N. Kuroda, K. Michishio, C. H. Kim,
H. Higaki, Y. Nagata, Y. Kanai, H. A. Torii, M. Corradini, M. Leali, E. Lodi-Rizzini, V. Mascagna, L. Venturelli, N. Zurlo, K. Fujii, M. Ohtsuka, K. Tanaka, H. Imao, Y. Nagashima, Y. Matsuda, B. Juha´sz, A. Mohri, and Y. Yamazaki
Phys. Rev. Lett. 105 (2010) 243401
" Electrostatic Oscillations Observed in Non-Neutral Electron Plasmas Confined in a Magnetic Field Gradient "
H. Higaki, K. Ito, and H. Okamoto
Plasma and Fusion Res. 5 (2010) 029
" Experimental study of coherent betatron resonances with a Paul trap "
S. Ohtsubo, M. Fujioka, H. Higaki, K. Ito, H. Okamoto, H. Sugimoto, and S. M. Lund
Phys. Rev. ST Accel. Beams 13 (2010) 044201
" Density and potential profiles of non-neutral electron plasmas in a magnetic mirror field "
H. Higaki, K. Fukata, K. Ito, H. Okamoto, and K. Gomberoff
Phys. Rev. E 81 (2010) 016401
" Measurement of ion cyclotron emissions by use of ICRF heating antennas in LHD "
K. Saito, H. Kasahara, T. Seki, R. Kumazawa, T. Mutoh, T.Watanabe, F. Shimpo, G. Nomura, M. Osakabe, M. Ichimura, H. Higaki, A. Komori, the LHD experimental group
Fusion Eng. Design 84 (2009) 1676
" Determination of Transverse Distributions of Ion Plasmas Confined in a Linear Paul Trap by Imaging Diagnostics "
Kiyokazu ITO , Kenji NAKAYAMA, Shunsuke OHTSUBO, Hiroyuki HIGAKI, and Hiromi OKAMOTO
Jpn. J. Appl. Phys. 47 (2008) 8017-8025
" Accumulating Low Energy Charged Particles with a Magnetic Mirror Trap and Cyclotron Resonance Heating "
H. Higaki, K. Ito, K. Kira, and H. Okamoto
Appl. Phys. Express 1 (2008) 066002
" Observation of spontaneously excited waves in the ion cyclotron frequency range on JT-60U "
M. Ichimura, H. Higaki, S. Kakimoto, Y. Yamaguchi, K. Nemoto, M. Ishikawa, S. Moriyama and T. Suzuki
Nucl. Fusion 48 (2008) 035012
" Properties of non-neutral electron plasmas confined with a magnetic mirror field "
H. Higaki, K. Ito, W. Saiki, Y. Omori, and H. Okamoto
Phys. Rev. E 76 (2007) 066401
" Eigenmode formations of m = 1 fast Alfven waves in the ion-cyclotron frequency range in the GAMMA 10 central cell"
Y Yamaguchi, M Ichimura, H.Higaki, S Kakimoto, K Nakagome, K Nemoto1, M Katano, H Nakajima, A Fukuyama and T Cho
Plasma Phys. Control. Fusion 48 (2006) 1155-1163
" High Frequency Alfven Eigen Modes Observed in LHD"
H.Higaki, M. Ichimura, D. Inoue, K. Nakagome, Y. Yamaguchi, S. Kakimoto, R. Kumazawa, T. Watari, T. Mutoh, T. Seki, K. Saito
Plasma and Fusion Res. 1 (2006) 034
" Observation of the Effects of Radially Sheared Electric Fields on the Suppression of Turbulent Vortex Structures and the Associated Transverse Loss in GAMMA 10"
T.Cho, M.Yoshida, J.Kohagura, M.Hirata, T.Numakura, H.Higaki, H.Hojo, M.Ichimura, K.Ishii, K.Md.Islam, A.Itakura, I.Katanuma, Y.Nakashima, T.Saito, Y.Tatematsu, M.Yoshikawa, Y.Kojima, S.Tokioka, N.Yokoyama, Y.Tomii, T.Imai, V.P.Pastukhov, S.Miyoshi, and GAMMA 10 Group
Phys. Rev. Lett. 94 (2005) 085002
" Confinement of a Large Number of Antiprotons and Production of an Ultraslow Antiproton Beam "
N. Kuroda, H. A. Torii, K. Yoshiki Franzen, Z. Wang, S. Yoneda, M. Inoue, M. Hori, B. Juhasz, D. Horvath,
H.Higaki, A. Mohri, J. Eades, K. Komaki, and Y. Yamazaki
Phys. Rev. Lett. 94 (2005) 023401
" Radial compression of protons and H3+ ions in a multiring trap for the production of ultralow energy antiproton beams "
H.Higaki, N. Kuroda, K. Yoshiki Franzen, Z. Wang, M. Hori, A. Mohri, K. Komaki, and Y. Yamazaki
Phys. Rev. E 70 (2004) 026501
" The ATHENA antihydrogen apparatus "
M. Amoretti, et.al (ATHENA collaboration)
Nucl. Instr. and Meth. A 518 (2004) 679-711
" Study of Action of Unstable AIC Waves on Electrons in a Tandem Mirror Plasma from Measurement of End Loss Electrons"
T.Saito, E.Yokoyama, Y.Tatematsu, M.Ichimura, H.Higaki, E.Tsuda, T.Yasuoka, and K.Yatsu
J. Phys. Soc. Jpn. 72 (2003) 1977-1982
" Transport beam line for ultraslow monoenergetic antiprotons "
K.Yoshiki Franzen, N.Kuroda, H.A.Torii, M.Hori, Z.Wang, H.Higaki, S.Yoneda, B.Juhasz, D.Horvath, A.Mohri, K.Komaki, and Y.Yamazaki
Rev. Sci. Instrum. 74 (2003) 3305-3311
" ICRF Heating in Magnetic Mirror Plasmas "
M.Ichimura, H.Higaki, S.Saosaki, H.Kano, S.Kakimoto, K.Tokumoto, Y.Yamaguchi, H.Hojo, M.Inutake, and K.Yatsu
Plasma Phys. Rep. 28 (2002) 727-733
" Effects of Alfven Ion Cyclotron waves on End-Loss Electrons from the GAMMA10 Tandem Mirror "
E.Yokoyama, T.Saito, Y.Tatematsu, Y.Imaizumi, K.Nishida, E.Tsuda, T.Yasuoka, M.Ichimura, H.Higaki, and K.Yatsu
Jpn. J. Appl. Phys. 41 Pt.1 (2002) 3961-3962
" Electron cooling of high-energy protons in a multiring trap with a tank circuit monitoring the electron-plasma oscillations "
H.Higaki, N.Kuroda, T.Ichioka, K.Yoshiki Franzen, Z.Wang, K.Komaki, Y.Yamazaki, M.Hori, N.Oshima, and A.Mohri
Phys. Rev. E 65 (2002) 046410
" Stacking of a Low Current Electron Beam in a Harmonic Potential Trap by RF-Repeller "
A.Mohri, T.Yuyama, H.Tanaka, H.Higaki, Y.Yamazawa, and T.Michishita
Jpn. J. Appl. Phys. 39 Pt.1 (2000) 6726-6731
" Confinement of nonneutral spheroidal plasmas in multi-ring electrode traps "
A.Mohri, H.Higaki, H.Tanaka, Y.Yamazawa, M.Aoyagi, T.Yuyama, and T.Michishita
Jpn. J. Appl. Phys. 37 Pt.1 (1998) 664-670
" The decay instability of Langmuir Waves in the nonneutral electron plasma column "
Hiroyuki Higaki
Plasma Phys. Control. Fusion 39 (1997) 1793-1803
" Experiment on diocotron oscillations of spheroidal non-neutral electron plasmas in a multi-ring-electrode trap "
H.Higaki and A.Mohri
Phys. Lett. A 235 (1997) 504-507
" Wall and Temperature Effects on Electrostatic Oscillations of Shperoidal Non-neutral Electron Plasmas in the Multi-Ring Electrode Trap "
Hiroyuki Higaki and Akihiro Mohri
Jpn. J. Appl. Phys. 36 Pt.1 (1997) 5300-5305
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