NDLI: High beam current handling in the JHF main ring

Content Provider	IEEE Xplore Digital Library
Author	Machida, S. Mori, Y. Ohmori, C. Ishi, Y. Shibuya, S. Tomizawa, M.
Copyright Year	1997
Description	Author affiliation: KEK, Tokyo, Japan (Machida, S.)
Abstract	The Japan Hadron Facility (JHF) synchrotrons are expected to store and accelerate ten times larger number of protons than that of the machines under operation (2/spl times/10/sup 14/ protons in the 50 GeV main ring and 5/spl times/10/sup 13/ protons in the 3 GeV booster). A stable operation with a very small beam loss is essential. Beam dynamics not only of the beam core but of the tail and halo should be considered. More specifically, transverse space charge effects have to be taken into account from the design stage of the lattice. In that sense, a conventional way of the lattice optimization, such as maximizing dynamic aperture and minimizing smear, may not be applicable. We have started to simulate commissioning of a high intensity machine. As a first attempt, the tune survey with space charge effects is simulated. Beam loss and emittance growth are examined in the wide range of tune space. Those results are compared with dynamic aperture without space charge effects.
Starting Page	1962
Ending Page	1964
File Size	297683
Page Count	3
File Format	PDF
ISBN	078034376X
DOI	10.1109/PAC.1997.751075
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-05-16
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space charge Synchrotrons Lattices Protons Apertures Resonance Acceleration Tail Particle beams Particle beam injection
Content Type	Text
Resource Type	Article

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