How do you make a partical excelarator that uses negitive ions?

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Creating a particle accelerator using negative ions presents challenges, particularly in preventing the loss of excess electrons during acceleration. H-minus ions, which consist of two electrons attached to a proton, are a viable option for this purpose. Specialized ion sources exist for generating H-minus ions, and the Spallation Neutron Source at Oak Ridge National Laboratory serves as a notable example of their acceleration, reaching nearly 1000 MeV before electron stripping occurs. Resources and guidance on building such an accelerator are limited, making community support essential for those undertaking this project. Understanding the mechanics of H-minus ion acceleration is crucial for successful implementation.
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Im trying to make a particle excelerator for school using - ions but i can't find any b prints or anyone who can help me. if anyone can help or find some one that could at least explane some of it to me, it would be much appreceated
 
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The biggest problem with accelerating negative ions is preventing stripping the excess electron off the ion during acceleration. It is possible to attach two electrons to a proton, creating an H-minus ion. There are ion sources designed specifically to generate H-minus ions. The best example of accelerating H-minus ions is the Spallation Neutron Source (SNS, www.SNS.gov[/URL]) at Oak Ridge National Laboratory in Tennessee. These ions are accelerated to nearly 1000 MeV before both electros are stripped off.
 
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