Results 41 to 50 of about 29,074 (278)
Cooling and trapping of ultracold strontium isotopic mixtures [PDF]
We present the simultaneous cooling and trapping of an isotopic mixture in a magneto-optical trap and we describe the transfer of the mixture into a conservative, far-off resonant dipole trap. The mixture is prepared with a new technique that applies to intermediate and heavy alkaline earth like atoms.
POLI, NICOLA +5 more
openaire +4 more sources
Strontium isotope (87Sr/86Sr) data from archaeological sites in Utah, USA
The information presented here includes the results of strontium isotope analysis on 75 baseline samples from nine Fremont sites in Utah. The baseline samples are of lagomorphs and rodents with limited foraging ranges.
Spencer F.X. Lambert
doaj +1 more source
Isotope shifts of natural Sr+ measured by laser fluorescence in a sympathetically cooled Coulomb crystal [PDF]
We measured by laser spectroscopy the isotope shifts between naturally-occurring even-isotopes of strontium ions for both the $5s\,\,^2S_{1/2}\to 5p\,\,^2P_{1/2}$ (violet) and the $4d\,\,^2D_{3/2}\to 5p\,\,^2P_{1/2}$ (infrared) dipole-allowed optical ...
Dubessy, Romain +5 more
core +4 more sources
The use of stable Cs and Sr as proxies for the estimation of radionuclide soil-plant transfer factors [PDF]
Transfer factors are key inputs for modelling the transport of radionuclides in the environment and for assessment of risk to humans and wildlife. However, for many combinations of soil conditions, plant species (products), and radionuclides, such ...
S. Levchuk +3 more
doaj +1 more source
New Isotopes of Strontium and Barium [PDF]
APPLICATION of high resolution to accelerated anode rays has now provided improved mass-spectra of these two elements. Strontium shows a third isotope 87 in addition to those already observed. Results with barium were only obtained with great difficulty.
openaire +1 more source
Strontium and oxygen isotopes of individuals from El Hundido and Valdescusa (north of Spain) sites, corresponding to the Bell Beaker culture, were analysed in order to determine mobility patterns and provenance areas.
L. A. Ortega +5 more
doaj +1 more source
Oxygen Isotope Analysis of Human Bone Phosphate Evidences Weaning Age in Archaeological Populations [PDF]
Acknowledgements With special thanks to Jean-Jacques Hublin and the MPI-EVA; to Annabell Reiner (MPI-EVA) and Bernd Steinhilber (Universitat Tubingen) for technical support;and to the Deutscher Akademischer Austausch Dienst for financial support to KB ...
Alvarez +129 more
core +1 more source
87Sr/86Sr Isotope Ratio as a Tool in Archaeological Investigation: Limits and Risks
During the last forty years, the use of strontium isotopes in archaeology and biogeochemical research has spread widely. These isotopes, alone or in combination with others, can contribute to trace past and present environmental conditions.
Mattia Rossi +2 more
doaj +1 more source
Strontium isotope stratigraphy of the Cretaceous
Abstract This contribution outlines the methodology of strontium isotope stratigraphy, and reviews the information that underpins the calibration curve of marine- 87 Sr/ 86 Sr against time for the Cretaceous.
John M. McArthur, Richard J. Howarth
openaire +2 more sources
Galgedil is a Viking Age cemetery located in the northern part of the Danish island of Funen. Excavations at the site revealed 54 graves containing 59 inhumations and 2 cremation burials. Previous study of the remains to date has included light isotopes
T. Douglas Price +4 more
doaj +1 more source

