|
Location:
|
SS 105 |
|
Date:
|
Tuesday, Aug.2 |
|
Time:
|
2:35 PM -2:45 PM
|
|
Author:
|
Michael Vineyard, Union College
518-388-8353, vineyarm@union.edu
|
|
Co-Author(s):
|
None
|
|
Abstract:
|
We have developed an advanced laboratory experiment at Union College to make independent measurements of the momentum and kinetic energy of relativistic electrons from a beta source. The momentum measurements are made with a magnetic spectrometer and a silicon surface-barrier detector is used to measure the kinetic energy. A plot of the kinetic energy as a function of momentum compared to the classical and relativistic predictions clearly shows the relativistic nature of the electrons. Accurate values for the rest mass of the electron and the speed of light are also extracted from the data. I will describe the experimental apparatus, discuss the analysis, and present some results.
|
|
Footnotes:
|
None
|
|
|
|