Skip navigation
Skip navigation

Stellar origin of the182Hf cosmochronometer and the presolar history of solar system matter

Lugaro, Maria; Heger, Alexander; Osrin, Dean; Goriely, S; Zuber, Kai; Karakas, Amanda; Gibson, Brad; Doherty, Carolyn L; Lattanzio, John; Ott, Ulrich

Description

Among the short-lived radioactive nuclei inferred to be present in the early solar system via meteoritic analyses, there are several heavier than iron whose stellar origin has been poorly understood. In particular, the abundances inferred for 182Hf (half-life = 8.9 million years) and 129I (half-life = 15.7 million years) are in disagreement with each other if both nuclei are produced by the rapid neutron-capture process. Here, we demonstrate that contrary to previous assumption, the slow...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/75058
Source: Science
DOI: 10.1126/science.1253338

Download

File Description SizeFormat Image
01_Lugaro_Stellar_origin_of_the182Hf_2014.pdf733.59 kBAdobe PDF    Request a copy


Items in Open Research are protected by copyright, with all rights reserved, unless otherwise indicated.

Updated:  23 August 2018/ Responsible Officer:  University Librarian/ Page Contact:  Library Systems & Web Coordinator