Zobrazeno 1 - 10
of 100
pro vyhledávání: '"Hirokane Kawakami"'
Lifetime dependence of nitrided carbon stripper foils on sputter angle during N+ ion beam sputtering
Autor:
Katsunori Kawasaki, Toshiyuki Hattori, Isao Sugai, M. Oyaizu, Hirokane Kawakami, Yasuhiro Takeda, T. Kadono
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 358:263-270
We fabricated high-lifetime thin nitride carbon stripper (NCS) foils with high nitrogen contents using ion-beam sputtering with reactive nitrogen gas and investigated the dependence of their lifetimes on the sputter angle. The nitrogen in carbon foil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f154e6583dc6da90ce398e7636780703
https://doi.org/10.1016/j.nimb.2015.07.007
https://doi.org/10.1016/j.nimb.2015.07.007
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 328:70-77
Newly developed Hybrid type Boron mixed Carbon (HBC) stripper foils are extensively used not only for the RCS of J-PARC and PSR of LANL, but also for other low energy, high intensity proton accelerators in medical applications. We had before tested H
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84e032d4b91cca90281ba5df34d007d7
https://doi.org/10.1016/j.nimb.2014.03.002
https://doi.org/10.1016/j.nimb.2014.03.002
Autor:
K. Matsuta, Takashi Hashimoto, Katsuhisa Nishio, S. Mitsuoka, Sunchan Jeong, Yasuo Wakabayashi, Yutaka Watanabe, Nobuaki Imai, Hiroari Miyatake, Mototsugu Mihara, Hirokazu Kawamura, Tetsuro Ishii, Yoshikazu Hirayama, Takuji Izumikawa, Tetsuya Sato, Shinichi Ichikawa, Aakihiko Osa, Hironobu Ishiyama, Ichiro Nishinaka, Hiroyuki Makii, Ichiro Katayama, Hirokane Kawakami, Sadao Momota, Y. Otokawa
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 317:693-696
The tilted-foil method for producing spin-polarized radioactive isotope beams has been studied using the re-accelerated radioactive 8 Li and 123 In beams produced at Tokai Radioactive Ion Accelerator Complex (TRIAC) facility. We successfully produced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae818a138b30952857fe8bd5c57482b5
https://doi.org/10.1016/j.nimb.2013.07.051
https://doi.org/10.1016/j.nimb.2013.07.051
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 655:24-33
Accurate measurement of the cross-section of the 12C(α, γ)16O reaction is very important in nuclear astrophysics. Enriched 12C targets prepared with the high energy vibrationl powder plating [HIVIPP] method for this purpose have been used successfu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::550aa8119a4956c35623b88caff2da1c
https://doi.org/10.1016/j.nima.2011.06.014
https://doi.org/10.1016/j.nima.2011.06.014
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 269:223-228
We have successfully developed a new method to reduce the amount of carbon buildup on thin cluster (less than 3.5 μg/cm 2 ) carbon stripper foils by heating them with infrared radiation during beam bombardment. We studied the carbon buildup and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e02b21e5d94b3323eef418718a325693
https://doi.org/10.1016/j.nimb.2010.11.034
https://doi.org/10.1016/j.nimb.2010.11.034
Autor:
Yasuhiro Takeda, Isao Sugai, Hirokane Kawakami, Akira Takagi, Katsunori Kawasaki, M. Oyaizu, Yoshiro Irie, Toshiyuki Hattori
Publikováno v:
Vacuum. 84:1448-1451
Thin carbon stripper foils used in high-intensity proton accelerators and heavy-ion accelerators must have long lifetimes. Thin carbon foils were fabricated by ion-beam sputtering using reactive and inert gas ions. The lifetime of the foils was measu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c6a62a0991be486be1f5fffc1025a2ba
https://doi.org/10.1016/j.vacuum.2010.01.050
https://doi.org/10.1016/j.vacuum.2010.01.050
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 613:448-452
Mixed noble gas (Kr+Ne) was used for ion beam sputtering (MIBS) with the aim to produce stripper foils with long lifetime. Further characteristics of the MIBS method were investigated. Angular thickness distributions were measured for the deposits of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04139c0d249692f1216126fe5d6da255
https://doi.org/10.1016/j.nima.2009.10.001
https://doi.org/10.1016/j.nima.2009.10.001
Autor:
Katsunori Kawasaki, Isao Sugai, Hirokane Kawakami, Akira Takagi, H. Hattori, M. Oyaizu, Yoshiro Irie, Y. Takeda
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 613:457-461
We have developed hybrid type boron-mixed carbon (HBC) foils for the rapid cycling synchrotron (RCS) of Japan-proton accelerator research complex (J-PARC) using the controlled DC arc-discharge method. The method has been found suitable for the produc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2305cf881ea08f879551e4ed40720307
https://doi.org/10.1016/j.nima.2009.10.003
https://doi.org/10.1016/j.nima.2009.10.003
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 613:407-411
Thick enriched isotopic 130 Te targets are required to search for high-spin isomers in 142 Pr using fusion reactions in 130 Te produced in a low-energy 17 N radioactive ion (RI) beam (∼5 MeV) at RCNP, Osaka University. For this investigation, we ha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b345b1c9c5213d711834496eea7a2de
https://doi.org/10.1016/j.nima.2009.09.087
https://doi.org/10.1016/j.nima.2009.09.087
Autor:
Sunchan Jeong, Takanori Hashimoto, Hironobu Ishiyama, Shinichi Ichikawa, Hiroari Miyatake, Satoru Okayasu, Yutaka Watanabe, Hirokane Kawakami, Nobuaki Imai, Takamitsu Nakanoya, S. Mitsuoka, Katsuhisa Nishio, Takashi Hashimoto, Masahito Yahagi, Masao Sataka, Ichiro Katayama, H. Sugai, Yoshikazu Hirayama
Publikováno v:
Solid State Ionics. 180:626-630
The diffusion coefficients of Li in the NaTl-type Li intermetallic compound of β-LiGa have been measured by using a short-lived radioactive diffusion tracer. As the tracer, the α-emitting radioisotope of 8Li delivered as the energetic and pulsed be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::332ba388be524e8120b6f7a534cd85c0
https://doi.org/10.1016/j.ssi.2008.09.004
https://doi.org/10.1016/j.ssi.2008.09.004