نتایج جستجو برای: ion source
تعداد نتایج: 614261 فیلتر نتایج به سال:
To meet the increasing needs of modern heavy ion accelerators, ECR ion source must be developed to deliver high intensity high brightness high charge state ion beams, in terms of accelerator output power and beam transmission efficiency. With the success in several laboratories on fully superconducting ECR ion source development, the performance of highly charged heavy ion beams have been great...
A new dual-type source has been constructing on the basis of electron cyclotron resonance (ECR) plasma for producing synthesized ion beams in Osaka Univ. Magnetic field in the 1st stage consists of all permanent magnets, i.e., cylindrically comb shaped one, and that of the 2nd stage consists of a pair of mirror coil, a supplemental coil and the octupole magnets. Both stage plasmas can be indivi...
Title of Dissertation: A GAS-INJECTION NEGATIVE ION SOURCE FOR ACCELERATOR MASS SPECTROMETRY Scott Joseph Tumey, Doctor of Philosophy, 2004 Dissertation directed by: Professor Alice C. Mignerey Department of Chemistry & Biochemistry Accelerator mass spectrometry is an ultra-sensitive isotopic analysis technique that allows for the determination of rare long-lived radionuclides such as radiocarb...
Cancer therapy with light heavy ions is now a well proven technology. Almost all facilities are running Electron Cyclotron Resonance Ion Sources (ECRIS) to produce carbon ions and protons as well. In the 1990’s the idea of using a Electron Beam Ion Source (EBIS) was proposed [1]. Some proof of principle measurements were carried out [2] but the application of EBIS ion sources in radiation facil...
Since the publication of the first Ion Source Studies document there have been improvements in both the understanding and implementation of the ion source system.[1] The understanding has been greatly assisted by the 3-dimensional E&M particle tracking code SIMION. Several experiments in the adjustment of the ions’ initial condition have benchmarked our 3D model as well as identified the source...
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