Zobrazeno 1 - 10
of 241
pro vyhledávání: '"H. Hotchi"'
Autor:
P. K. Saha, M. Yoshimoto, S. Hatakeyama, H. Hotchi, H. Harada, F. Tamura, K. Yamamoto, Y. Yamazaki, M. Kinsho, Y. Irie
Publikováno v:
Physical Review Accelerators and Beams, Vol 23, Iss 8, p 082801 (2020)
We have established and also implemented a nondestructive online monitoring system for measuring the stripper foil degradation, such as foil thinning and pinhole outbreak, for the first time during beam operation in a high-intensity proton accelerato
Externí odkaz:
https://doaj.org/article/be2063fdebf2475eb1254411b828b0a2
Autor:
H. Hotchi
Publikováno v:
Physical Review Accelerators and Beams, Vol 23, Iss 5, p 050401 (2020)
The “Montague resonance” is a familiar issue in high-intensity proton rings, which causes emittance exchange between the two transverse planes, having a significant influence on their high-intensity performance. In this paper, we discuss the char
Externí odkaz:
https://doaj.org/article/2b3d694726344a489d00d8456dcf5a62
Autor:
P. K. Saha, Y. Shobuda, H. Hotchi, H. Harada, N. Hayashi, M. Kinsho, F. Tamura, N. Tani, M. Yamamoto, Y. Watanabe, Yong Ho Chin, J. A Holmes
Publikováno v:
Physical Review Accelerators and Beams, Vol 21, Iss 2, p 024203 (2018)
The transverse impedance of eight extraction pulsed kicker magnets is a strong beam instability source in the 3-GeV rapid cycling synchrotron (RCS) at the Japan Proton Accelerator Research Complex. Significant beam instability occurs even at half of
Externí odkaz:
https://doaj.org/article/c61fbd1817224bedb25985837fc99f07
Autor:
H. Hotchi, H. Harada, N. Hayashi, S. Kato, M. Kinsho, K. Okabe, P. K. Saha, Y. Shobuda, F. Tamura, N. Tani, Y. Watanabe, K. Yamamoto, M. Yamamoto, M. Yoshimoto
Publikováno v:
Physical Review Accelerators and Beams, Vol 20, Iss 6, p 060402 (2017)
The 3-GeV rapid cycling synchrotron (RCS) of the Japan Proton Accelerator Research Complex (J-PARC) is now in the final beam commissioning phase, aiming for a design output beam power of 1 MW. With a series of injector linac upgrades in 2013 and 2014
Externí odkaz:
https://doaj.org/article/93712cdec20f46058ff413e59cd44c3e
Autor:
H. Hotchi, N. Tani, Y. Watanabe, H. Harada, S. Kato, K. Okabe, P. K. Saha, F. Tamura, M. Yoshimoto
Publikováno v:
Physical Review Accelerators and Beams, Vol 19, Iss 1, p 010401 (2016)
In the 3-GeV rapid cycling synchrotron of the Japan Proton Accelerator Research Complex, transverse injection painting is utilized not only to suppress space-charge induced beam loss in the low energy region but also to mitigate foil scattering beam
Externí odkaz:
https://doaj.org/article/0cc44586d2b143c886f3e66e41f14eee
Autor:
P. K. Saha, H. Harada, N. Hayashi, K. Horino, H. Hotchi, M. Kinsho, T. Takayanagi, N. Tani, T. Togashi, T. Ueno, Y. Yamazaki, Y. Irie
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 16, Iss 12, p 120102 (2013)
The 3-GeV rapid cycling synchrotron (RCS) of Japan Proton Accelerator Research Complex (J-PARC) simultaneously delivers high intensity beam to the Material and Life Science Experimental Facility (MLF) as well as to the main ring (MR) at a repetition
Externí odkaz:
https://doaj.org/article/4241adea69be4d15afaee6f812ce8116
Autor:
H. Hotchi, H. Harada, N. Hayashi, M. Kinsho, P. K. Saha, Y. Shobuda, F. Tamura, K. Yamamoto, M. Yamamoto, M. Yoshimoto, Y. Irie
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 15, Iss 4, p 040402 (2012)
The 3-GeV rapid cycling synchrotron (RCS) of the Japan Proton Accelerator Research Complex was commissioned in October 2007. Via the initial beam tuning and a series of underlying beam studies with low-intensity beams, since December 2009, we have in
Externí odkaz:
https://doaj.org/article/02a25a263ef549648df56be715755008
Autor:
P. K. Saha, S. Hatakeyama, K. Yamamoto, M. Yoshimoto, H. Harada, H. Hotchi, Y. Shobuda, M. Kinsho, K. Satou, Y. Irie
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 14, Iss 11, p 119902 (2011)
Externí odkaz:
https://doaj.org/article/e4dc7d62af7a4ac2b285120c5907fbd8
Autor:
P. K. Saha, S. Hatakeyama, K. Yamamoto, M. Yoshimoto, H. Harada, H. Hotchi, Y. Shobuda, M. Kinsho, K. Satou, Y. Irie
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 14, Iss 7, p 072801 (2011)
The 3 GeV rapid cycling synchrotron (RCS) at Japan Proton Accelerator Research Complex is already in user operation stage, delivering a stable and relatively high power beam to the Material and Life Science Experimental Facility as well as to the mai
Externí odkaz:
https://doaj.org/article/eeccab30002849b0a3efa68a2efd0749
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 12, Iss 4, p 040403 (2009)
The 3 GeV Rapid Cycling Synchrotron (RCS) at Japan Proton Accelerator Research Complex is nearly at the operational stage with regard to the beam commissioning aspects. Recently, the design painting injection study has been commenced with the aim of
Externí odkaz:
https://doaj.org/article/af648655b62b46ee9c42af645b27e534