The Design, Creation, and Characterization of a Vacuum System for Electron-Atom Scattering Experiments

Presenter and Advisor Information

Jennifer Swanson, Illinois Wesleyan University

Submission Type

Event

Faculty Advisor

Bruno deHarak

Expected Graduation Date

2018

Location

Center for Natural Sciences, Illinois Wesleyan University

Start Date

4-21-2018 9:00 AM

End Date

4-21-2018 10:00 AM

Disciplines

Education

Abstract

We are building an apparatus to conduct electron-atom scattering experiments. It is necessary for the scattering to occur in a vacuum so that no atoms or other particles are able to interfere with the scattered electrons before they arrive at the detector. Here we provide a detailed description of the vacuum system for the apparatus. The vacuum system includes an airtight chamber in which the scattering will take place, a turbo pump and a mechanical rotary pump in order to pump the system down (~10-7 Torr), and an ion gauge and gauge controller to measure the pressure. We also detail the interlock system used to shut down the turbo pump and pressure-sensitive equipment if the pressure within the chamber gets too high so that no equipment is damaged.

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Apr 21st, 9:00 AM Apr 21st, 10:00 AM

The Design, Creation, and Characterization of a Vacuum System for Electron-Atom Scattering Experiments

Center for Natural Sciences, Illinois Wesleyan University

We are building an apparatus to conduct electron-atom scattering experiments. It is necessary for the scattering to occur in a vacuum so that no atoms or other particles are able to interfere with the scattered electrons before they arrive at the detector. Here we provide a detailed description of the vacuum system for the apparatus. The vacuum system includes an airtight chamber in which the scattering will take place, a turbo pump and a mechanical rotary pump in order to pump the system down (~10-7 Torr), and an ion gauge and gauge controller to measure the pressure. We also detail the interlock system used to shut down the turbo pump and pressure-sensitive equipment if the pressure within the chamber gets too high so that no equipment is damaged.