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ALPHA ENERGIES OF DIFFERENT SOURCES WITH THE MULTI-CHANNEL - PHYWE - P2522015

Artikelcode: PP2522015

P2522015
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An alpha-spectrometer, consisting of a photodetector, a preamplifier, a pulse height analyser and a recording device for registration of the spectra is calibrated by means of an open alpha-emitter of known alpha energy (241Am). The energy spectrum of a radium source which is in equilibrium with its decay products, is recorded and evaluated. The alpha-energies found in this way are allocated to the corresponding nuclides of the radium decay series.

Tasks

The Alpha-spectrum of the 226Ra is recorded with multichannel analyzer.
The calibration spectrum of the open 241Am alpha-emitter is recorded at the same settings.
The alpha-energies corresponding to the individual peaks of the alphaspectrum of the radium are calculated and compared to the values in the literature.

What you can learn about

Decay series
Radioactive equilibrium
Isotopic properties
Decay energy
Particle energy
Potential well model of the atomic nucleus
Tunnel effect
Geiger-Nuttal law
Semiconductor
Barrier layer