Update on the 53Mn-53Cr ages of dolomite in the Ivuna CI chondrite and asteroid Ryugu sample
Shingo Sugawara, Wataru Fujiya, Noriyuki Kawasaki, Naoya Sakamoto, Akira Yamaguchi, Hisayoshi Yurimoto Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 18 August 2024 LINK “Aqueous alteration in planetesimals is one of the earliest geological…
Production rates of cosmogenic nuclides in extraterrestrial material using GEANT4 softwareOPEN ACCESS
Patrik Čechvala, Róbert Breier & Jozef Masarik Journal of Radioanalytical and Nuclear ChemistryPublished: 27 September 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We present a model for the calculation of the production rates of cosmogenic nuclides…
Statistical Chronometry of Meteorites. II. Initial Abundances and Homogeneity of Short-lived RadionuclidesOPEN ACCESS
Steven J. Desch, Daniel R. Dunlap, Curtis D. Williams, Prajkta Mane, Emilie T. Dunham Submitted to Geochimica et Cosmochimica Acta PDF (OPEN ACCESS) Update (published in Icarus, 6 May 2023): LINK “• We present a…
Short-Lived Radionuclides in Meteorites and the Sun’s Birth EnvironmentOPEN ACCESS
Steven J. Desch, Edward D. Young, Emilie T. Dunham, Yusuke Fujimoto, Daniel R. Dunlap Submitted as a chapter to Protostars and Planets VII PDF (OPEN ACCESS) “The solar nebula contained a number of short-lived radionuclides…
Statistical Chronometry: Anchors Away!
Desch S. J., Dunlap D. R., Williams C. D., Torrano Z. A. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6231) PDF We fit 4 parameters (CAI Pb-Pb ages; solar system initial 53Mn/55Mn,…
Nucleosynthesis of an 11.8 M ⊙ Supernova with 3D Simulation of the Inner Ejecta: Overall Yields and Implications for Short-lived Radionuclides in the Early Solar System
A. Sieverding, B. Müller, and Y.-Z. Qian The Astrophysical Journal, Volume 904, Number 2Published: 1 December 2020 LINK “Based on a 3D supernova simulation of an 11.8 M ⊙ progenitor model with an initial solar…
53Mn and 60Fe in iron meteorites—New data, model calculations
Ingo Leya, Jean‐Christophe David, Thomas Faestermann, Michaela Froehlich, Niko Kivel, Dominik Koll, Gunther Korschinek, Sarah McIntyre, Silke Merchel, Stefan Pavetich, Georg Rugel, Dorothea Schumann, Thomas Smith, Anton Wallner Meteoritics & Planetary Science First published: 31…
Heterogeneous evolution of the galaxy and the origin of the short-lived nuclides in the early solar systemOPEN ACCESS
T. Kaur, S. Sahijpal Accepted for MNRAS PDF (OPEN ACCESS) “We present galactic chemical evolution (GCE) models of the short-lived radionuclides (SLRs), 26Al, 36Cl, 41Ca, 53Mn and 60Fe, across the entire Milky Way galaxy. The…
Matrix effects on the relative sensitivity factors for manganese and chromium during ion microprobe analysis of carbonate: implications for early Solar System chronology
Robert C.J. Steele, Veronika S. Heber, Kevin D. McKeegan Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 5 November 2016 LINK “The short-lived radionuclide 53Mn decays to 53Cr providing a relative chronometer for…
53Mn-53Cr Chronology of Ca-Fe Silicates in CV3 Chondrites
Glenn J. MacPherson, Kazuhide Nagashima, Alexander N. Krot, Patricia M. Doyle, Marina A. Ivanova Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 1 October 2016 LINK This study is dedicated to our late…
Origin of the p-process radionuclides 92Nb and 146Sm in the early solar system and inferences on the birth of the Sun
Maria Lugaro, Marco Pignatari, Ulrich Ott, Kai Zuber, Claudia Travaglio, György Gyürky, and Zsolt Fülöp PNAS2016 ; published ahead of print January 11, 2016, doi:10.1073/pnas.1519344113 LINK “Significance Radioactive nuclei with half-lives of the order of…
The Forgotten Uncertainties in Using Radiochronometry to Date Minerals that Formed in the Early Solar System — The Example of 53Mn
M. A. Tyra 46th Lunar and Planetary Science Conference (2015), Abstract #2911 PDF LINK
