Lifetime Measurements of Excited Nuclear States of Astrophysical Interest via the Doppler Shift Attenuation Method

Details Lifetime Measurements of Excited Nuclear States of Astrophysical Interest via the Doppler Shift Attenuation Method Lifetime Measurements of Excited Nuclear States of Astrophysical Interest via the Doppler Shift Attenuation Method

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1213..205h&link_type=abstract

FIFTH EUROPEAN SUMMER SCHOOL ON EXPERIMENTAL NUCLEAR ASTROPHYSICS. AIP Conference Proceedings, Volume 1213, pp. 205-207 (2010).

Computer Science

Sound

White Dwarfs, Binary Stars, Doppler Effect, Red Giants, Faint Blue Stars, White Dwarfs, Degenerate Stars, Nuclei Of Planetary Nebulae, Spectroscopic Binaries, Close Binaries, Interaction Of Fluid Motion And Sound, Doppler Effect, And Sound In Flow Ducts, Giant And Subgiant Stars

Scientific paper

The Doppler Shift Attenuation Method is a technique to measure lifetimes of excited states in the range of fs up to ps. The energy of the Doppler shifted γ-ray, which is emitted by a decelerating excited nucleus, is measured with a HPGe detector. The Doppler shifted γ-ray energy spectrum can then be used to extract the lifetime. The experimental astrophysics group at TU Munich is building such a facility to measure the lifetimes of excited states of astrophysical interest. These data will provide information required for calculating resonant proton capture reaction rates and, therefore, can be used for network calculations to predict the elemental abundances of e.g. nova explosions. First tests and experiments are planned in 2010.

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