eprintid: 21444
rev_number: 16
eprint_status: archive
userid: 2604
dir: disk0/00/02/14/44
datestamp: 2016-07-14 07:47:36
lastmod: 2016-09-30 11:54:18
status_changed: 2016-07-14 07:47:36
type: doctoralThesis
metadata_visibility: show
creators_name: Atanasov, Dinko
title: Precision mass measurements for studies of nucleosynthesis via the rapid neutron-capture process : penning-trap mass measurements of neutron-rich cadmium and caesium isotopes
subjects: 520
subjects: 530
divisions: 851340
adv_faculty: af-13
abstract: Although the theory for the rapid neutron-capture process (r-process) was developed more than 55 years ago, the astrophysical site is still under a debate. Theoretical studies predict that the r-process path proceeds through very neutron-rich nuclei with very asymmetric proton-to-neutron ratios. Knowledge about the properties of neutron-rich isotopes found in similar regions of the nuclear chart and furthermore suitable for r-process studies is still little or even not existing. The basic nuclear properties such as binding energies, half-lives, neutron-induced or neutron-capture reaction cross-sections, play an important role in theoretical simulations and can vary or even drastically alternate results of these studies. Therefore, a considerable effort was put forward to access neutron-rich isotopes at radioactive ion-beam facilities like ISOLDE at CERN. The goal of this PhD thesis is to describe the experimental work done for the precision
mass measurements of neutron-rich cadmium (129−131 Cd) and caesium (132,146−148 Cs) isotopes.
Measurements were done at the on-line radioactive ion-beam facility ISOLDE by using the four-trap mass spectrometer ISOLTRAP. The cadmium isotopes are key nuclides for the synthesis of stable isotopes around the mass peak A = 130 in the Solar System abundance.
date: 2016
id_scheme: DOI
id_number: 10.11588/heidok.00021444
ppn_swb: 1658022920
own_urn: urn:nbn:de:bsz:16-heidok-214444
date_accepted: 2016-07-06
advisor: HASH(0x564e1c572ff8)
language: eng
bibsort: ATANASOVDIPRECISIONM2016
full_text_status: public
place_of_pub: Heidelberg, Germany
citation:   Atanasov, Dinko  (2016) Precision mass measurements for studies of nucleosynthesis via the rapid neutron-capture process : penning-trap mass measurements of neutron-rich cadmium and caesium isotopes.  [Dissertation]     
document_url: https://archiv.ub.uni-heidelberg.de/volltextserver/21444/1/main.pdf