Cocktail Beam Acceleration Technique at JAERI AVF Cyclotron(I).
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Accession number;99A1045409
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| Title;Cocktail Beam Acceleration Technique at JAERI AVF Cyclotron(I). |
| Author;
YOKOTA W
(Jaeri, Gunma, Jpn)
FUKUDA M
(Jaeri, Gunma, Jpn)
OKUMURA S
(Jaeri, Gunma, Jpn)
ARAKAWA K
(Jaeri, Gunma, Jpn)
TAMURA H
(Jaeri, Gunma, Jpn)
ISHIBORI I
(Jaeri, Gunma, Jpn)
AGEMATSU T
(Jaeri, Gunma, Jpn)
NARA T
(Jaeri, Gunma, Jpn)
NAKAMURA Y
(Jaeri, Gunma, Jpn)
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Journal Title;Proc Symp Accel Sci Technol
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Journal Code:F0512B
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ISSN:0914-2789
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VOL.12th;NO.;PAGE.127-129(1999)
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| Figure&Table&Reference;FIG.5, REF.4 |
| Pub. Country;Japan |
| Language;English |
| Abstract;At the JAERI AVF cyclotron, an cocktail beam acceleration technique by means of changing RF frequency is used for ions with mass to charge ratios(M/Q) nearly equal to 4 and 5 in routine operation. The M/Q.IMAGE.2 ions were successfully accelerated on trial recently. The M/Q resolution of the cyclotron was estimated experimentally and theoretically, and turned out to be insufficient to separate M/Q.IMAGE.4 cocktail ions with small M/Q differences. In order to purify the cyclotron beam, methods of application of lower dee voltages, shift of frequency from the optimum values and injection of beams of a single ion species are examined Radial spread of internal beam bunch caused by phase slip of particles with different M/Q value was observed using pulsed incident beams. (author abst.) |
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