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Imai, Makoto*; Sataka, Masao*; Matsuda, Makoto; Okayasu, Satoru; Kawatsura, Kiyoshi*; Takahiro, Katsumi*; Komaki, Kenichiro*; Shibata, Hiromi*; Nishio, Katsuhisa
Nuclear Instruments and Methods in Physics Research B, 354, p.172 - 176, 2015/07
Times Cited Count：14 Percentile：73.26(Instruments & Instrumentation)Both equilibrium and non-equilibrium charge-state distributions were studied experimentally for 2.0 MeV/u carbon ions after passing through carbon foils. Measured charge-state distribution established the equilibrium at a target thickness of 10 
g/cm
and this remained unchanged until a maximum target thickness of 98 g/cm. The equilibrium charge-state distribution, the equilibrium mean charge-state, and the width and skewness of the equilibrium distribution were compared with predictions using existing semi-empirical formulae as well as simulation results, including the ETACHA code. It was found that charge-state distributions, mean charge states, and distribution widths for C
, C
, and C
incident ions merged into quasi-equilibrium values at a target thickness of 5.7 g/cm in the pre-equilibrium region and evolved simultaneously to the "real equilibrium" values for all of the initial charge states, including C
and C
ions. Two kinds of simulation, ETACHA and solution of rate equations taking only single electron transfers into account, were used, and both of them reproduced the measured charge evolution qualitatively. The quasi-equilibrium behavior could be reproduced with the ETACHA code, but not with solution of elementary rate equations.
Imai, Makoto*; Sataka, Masao; Kawatsura, Kiyoshi*; Takahiro, Katsumi*; Komaki, Kenichiro*; Shibata, Hiromi*; Sugai, Hiroyuki; Nishio, Katsuhisa
Nuclear Instruments and Methods in Physics Research B, 256(1), p.11 - 15, 2007/03
Times Cited Count：6 Percentile：45.23(Instruments & Instrumentation)no abstracts in English
Imai, Makoto*; Sataka, Masao; Kawatsura, Kiyoshi*; Takahiro, Katsumi*; Komaki, Kenichiro*; Shibata, Hiromi*; Sugai, Hiroyuki; Nishio, Katsuhisa
Nuclear Instruments and Methods in Physics Research B, 230(1-4), p.63 - 67, 2005/04
Times Cited Count：8 Percentile：52.44(Instruments & Instrumentation)no abstracts in English
with HeKawatsura, Kiyoshi*; Takahiro, Katsumi*; Imai, Makoto*; Sataka, Masao; Komaki, Kenichiro*; Shibata, Hiromi*
Nuclear Instruments and Methods in Physics Research B, 205, p.528 - 532, 2003/05
Times Cited Count：4 Percentile：33.56(Instruments & Instrumentation)Auger and Coster-Kronig electron spectra from highly excited states produced by low-energy highly charged ions with gas targets have been investigated both theoretically and experimentally. In this case, the highly excited states were formed by electron capture processes. We have studied collision processes of high-energy highly charged ions with a gas target using zero-degree electron spectroscopy at the tandem accelerator of JAERI, Tokai. In the present, we have measured Auger and C-K electron spectra from highly excited states produced by 1-3 MeV/u O
(q=3-5) + He collisions, where the highly excited states in Oq+ ions were formed by electron excitation. We have compared and discussed the Auger and C-K electron spectra obtained by electron-capture and electron-excitation processes. It is found that the C-K spectra for high-energy Oq+ ions show relatively low-l states and the Auger spectra also have different structures from those for low-energy highly charged Oq+ ions.
Imai, Makoto*; Sataka, Masao; Kitazawa, Shinichi; Komaki, Kenichiro*; Kawatsura, Kiyoshi*; Shibata, Hiromi*; Tawara, Hiroyuki*; Azuma, Toshiyuki*; Kanai, Yasuyuki*; Yamazaki, Y.*
Nuclear Instruments and Methods in Physics Research B, 193(1-4), p.674 - 679, 2002/06
Times Cited Count：5 Percentile：34.00(Instruments & Instrumentation)no abstracts in English
ions excited through He gas and C-foil targetsSataka, Masao; Imai, Makoto*; Kawatsura, Kiyoshi*; Komaki, Kenichiro*; Tawara, Hiroyuki*; Vasilyev, A.*; Safronova, U. I.*
Physical Review A, 65(5), p.052704_1 - 052704_11, 2002/05
Times Cited Count：13 Percentile：51.96(Optics)no abstracts in English
Si ions excited through a thin C-foil targetSataka, Masao; Imai, Makoto*; Kawatsura, Kiyoshi*; Komaki, Kenichiro*; Tawara, Hiroyuki*; Vasilyev, A.*; Safronova, U. I.*
Journal of Physics B; Atomic, Molecular and Optical Physics, 35(2), p.267 - 281, 2002/01
Times Cited Count：3 Percentile：19.56(Optics)no abstracts in English
Kitazawa, Shinichi; Sataka, Masao; Tawara, Hiroyuki*; Imai, Makoto*; Shibata, Hiromi*; Komaki, Kenichiro*; Azuma, Toshiyuki*; Kawatsura, Kiyoshi*; Kanai, Yasuyuki*
Atomic Collision Research in Japan, No.25, p.65 - 67, 1999/00
no abstracts in English
, Si and Ni ions in collisions with a He targetSataka, Masao; Imai, Makoto; ; Komaki, Kenichiro*; Kawatsura, Kiyoshi*; Kanai, Yasuyuki*;
Nuclear Instruments and Methods in Physics Research B, 79, p.81 - 84, 1993/00
Times Cited Count：6 Percentile：57.32(Instruments & Instrumentation)no abstracts in English
2p9l states of S ions excited through carbon foilsImai, Makoto; Sataka, Masao; Naramoto, Hiroshi; ; Komaki, Kenichiro*; Kawatsura, Kiyoshi*; Kanai, Yasuyuki*
Nuclear Instruments and Methods in Physics Research B, 67, p.142 - 145, 1992/00
Times Cited Count：12 Percentile：73.12(Instruments & Instrumentation)no abstracts in English
and HeP.Hvelplund*; ; Komaki, Kenichiro*; ; ; ; Kawatsura, Kiyoshi*; Sataka, Masao; Imai, Makoto; Kanai, Yasuyuki*; et al.
Journal of the Physical Society of Japan, 60(11), p.3675 - 3678, 1991/11
Times Cited Count：9 Percentile：62.35(Physics, Multidisciplinary)no abstracts in English
I.Kadar*; H.Altevogt*; R.Koehrbrueck*; V.Montemayor*; A.Mattis*; G.Schiwietz*; B.Skogvall*; K.Sommer*; N.Stolterfoht*; Kawatsura, Kiyoshi*; et al.
Physical Review A, 44(5), p.2900 - 2912, 1991/09
Times Cited Count：5 Percentile：38.88(Optics)no abstracts in English
Kawatsura, Kiyoshi*; Sataka, Masao; Naramoto, Hiroshi; Imai, Makoto; Komaki, Kenichiro*; ; ; Kanai, Yasuyuki*; Kambara, Tadashi*; ; et al.
Nuclear Instruments and Methods in Physics Research B, 53(4), p.421 - 425, 1991/04
Times Cited Count：16 Percentile：82.74(Instruments & Instrumentation)no abstracts in English
Kawatsura, Kiyoshi*; Sataka, Masao; ; Komaki, Kenichiro*; Kanai, Yasuyuki*; Naramoto, Hiroshi; ; Kambara, Tadashi*; ; Nakai, Yota; et al.
Nuclear Instruments and Methods in Physics Research B, 48, p.103 - 106, 1990/00
Times Cited Count：17 Percentile：81.99(Instruments & Instrumentation)no abstracts in English
Sataka, Masao; Ozawa, Kunio*; Kawatsura, Kiyoshi; ; Komaki, Kenichiro*; Naramoto, Hiroshi; ; Nakai, Yota;
Journal of the Physical Society of Japan, 57(10), p.3352 - 3356, 1988/10
no abstracts in English
C1 ions exiting from carbon foils; ; Kawatsura, Kiyoshi; Sataka, Masao; Ozawa, Kunio*; Komaki, Kenichiro*; ;
Nuclear Instruments and Methods in Physics Research B, 33, p.230 - 234, 1988/00
Times Cited Count：0 Percentile：0.00(Instruments & Instrumentation)no abstracts in English
multiple ionization of Al for H
and H
ion impacts; Kawatsura, Kiyoshi; Komaki, Kenichiro*; ; ; Shibata, Hiromi*
Nuclear Instruments and Methods in Physics Research B, 33, p.304 - 307, 1988/00
Times Cited Count：1 Percentile：40.19(Instruments & Instrumentation)no abstracts in English
Imai, Makoto*; Sataka, Masao; Kawatsura, Kiyoshi*; Takahiro, Katsumi*; Komaki, Kenichiro*; Shibata, Hiromi*; Sugai, Hiroyuki; Nishio, Katsuhisa
no journal, ,
no abstracts in English
