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La Rocca, Paola; Riggi, Francesco – European Journal of Physics, 2009
The absorption of beta rays from a radioactive source in different materials was investigated by the use of a simple setup based on a Geiger counter and a set of absorber sheets. The number of electrons traversing the material was measured as a function of its thickness. Detailed GEANT simulations were carried out to reproduce the obtained…
Descriptors: Undergraduate Study, College Science, Science Instruction, Science Experiments
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Badala, A.; Blanco, F.; La Rocca, P.; Pappalardo, G. S.; Pulvirenti, A.; Riggi, F. – European Journal of Physics, 2007
The basic properties of extensive air showers of particles produced in the interaction of a high-energy primary cosmic ray in the Earth's atmosphere are discussed in the context of educational cosmic ray projects involving undergraduate students and high-school teams. Simulation results produced by an air shower development code were made…
Descriptors: Undergraduate Students, Physics, Internet, College Science