[Triumf-seminars] TRIUMF ISAC Seminar today at 10:30

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Date/Time: Wed 2004-05-05 at 10:30

Location:  Auditorium          

Speaker:   Colin Morton (TRIUMF)

Title:     Beta decay studies with fast fragment beams

Abstract: Beta decay serves as a useful probe of structure at low energies, providing experimental information that can be compared to the results of nuclear structure models.  It also has astrophysical importance as certain characteristics of beta decay, such as half-lives or endpoint energies, serve as input parameters in astrophysical network calculations.  At the National Superconducting Cyclotron Laboratory at Michigan State University, beta decay is studied by implanting radioactive ions in a double-sided silicon strip detector and observing the subsequent decay of those ions at rest; by directly correlating implant and decay events within the detector, decay times can be measured and delayed radiations observed on an event-by-event basis. Details of this technique, including some representative experimental results, will be presented and its relative strengths and weaknesses compared with those of bulk decay measurements such as those carried out at ISAC with the 8pi spectrometer.




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