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Full-Text Articles in Higher Education
A History Of Physics At Otterbein University, David G. Robertson
A History Of Physics At Otterbein University, David G. Robertson
Faculty Books
This is an informal history of the Physics Department at Otterbein, including the story of the natural sciences prior to the founding of the department in 1908.
Identifying, Analyzing, And Using Discriminatory Variables For Classification Of Neutrino Signal And Background Noise In Multivariate Analysis In The Askaryan Radio Array Experiment, Jesse Osborn
Honors Theses
The Askaryan Radio Array Experiment, located near the South Pole, works to pinpoint specific instances of neutrinos from outside the solar system interacting with nucleons inside the Antarctic ice, emitting radio waves. I have taken data from the ARA stations which is presumed to be background noise and compared it to simulated data meant to look like a neutrino signal. I developed a suite of variables for discrimination between the two data sets, using a computer algorithm to generate a single output variable which can be used to distinguish noise events from signal events. I maximized this discrimination process for …
Electron Beam Dispersion Compensator Using A Wien Filter, Jackson Lederer
Electron Beam Dispersion Compensator Using A Wien Filter, Jackson Lederer
Honors Theses
When an electron beam travels through space, it spreads out over time which impedes the ability to work with short electron pulses in the lab. A Wien filter is a device consisting of perpendicular electric and magnetic fields which filters charged particles based on their velocities. For a specific velocity, the two forces from the two fields in the filter cancel each other out letting charges with that velocity travel straight through the filter. Charges moving at other speeds are deflected as they have a net force applied to them from the filter. If a particle is deflected from the …