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Modernization of the Ion-Optical System of the VITA Accelerator.

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Title: Modernization of the Ion-Optical System of the VITA Accelerator.
Authors: Ostreinov, G. M.1 (AUTHOR) G.M.Ostreinov@inp.nsk.se, Savinov, S. S.1 (AUTHOR) S.S.Savinov@inp.nsk.su, Shchudlo, I. M.1 (AUTHOR) I.M.Schudlo@inp.nsk.su, Taskaev, S. Yu.1,2 (AUTHOR) S.Yu.Taskaev@inp.nsk.su
Source: Instruments & Experimental Techniques. 2024 Suppl 1, Vol. 67 Issue 1, pS33-S38. 6p.
Subjects: Ion accelerators, Ion energy, Physical sciences, Numerical calculations, Electrodes
Abstract: The work considers the mode of "soft" input of an ion beam into an accelerator, in which an electrostatic Q-snout lens (preaccelerating electrode) is used. Analytical and numerical calculations of the trajectories, phase portrait, and emittance of proton and deuteron beams were carried out in the energy range 0.2–2.3 MeV. It is shown that the use of a preaccelerating electrostatic lens allows one to avoid refocusing of the beam by the strong input lens of the accelerator and improve its passage through the ion-optical path. In this focusing mode, the phase portrait of the proton beam is less sensitive to changes in current and ion energy, which is important for medical installations and for its use in other applications. [ABSTRACT FROM AUTHOR]
Copyright of Instruments & Experimental Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: The work considers the mode of "soft" input of an ion beam into an accelerator, in which an electrostatic Q-snout lens (preaccelerating electrode) is used. Analytical and numerical calculations of the trajectories, phase portrait, and emittance of proton and deuteron beams were carried out in the energy range 0.2–2.3 MeV. It is shown that the use of a preaccelerating electrostatic lens allows one to avoid refocusing of the beam by the strong input lens of the accelerator and improve its passage through the ion-optical path. In this focusing mode, the phase portrait of the proton beam is less sensitive to changes in current and ion energy, which is important for medical installations and for its use in other applications. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Instruments & Experimental Techniques is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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