Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Travaglio, Claudia"'
Autor:
Keegans, James D, Pignatari, Marco, Stancliffe, Richard J, Travaglio, Claudia, Jones, Samuel, Gibson, Brad K, Townsley, Dean M, Miles, Broxton J, Shen, Ken J, Few, Gareth
Type Ia supernova explosions (SNIa) are fundamental sources of elements for the chemical evolution of galaxies. They efficiently produce intermediate-mass (with Z between 11 and 20) and iron group elements - for example, about 70% of the solar iron i
Externí odkaz:
http://arxiv.org/abs/2306.12885
Autor:
Battino, Umberto, Pignatari, Marco, Travaglio, Claudia, Lederer-Woods, Claudia, Denissenkov, Pavel, Herwig, Falk, Thielemann, Friedrich-Karl, Rauscher, Thomas
The origin of the proton-rich trans-iron isotopes in the solar system is still uncertain. Single-degenerate thermonuclear supernovae (SNIa) with n-capture nucleosynthesis seeds assembled in the external layers of the progenitor's rapidly accreting wh
Externí odkaz:
http://arxiv.org/abs/2007.13677
Autor:
Mishenina, Tamara, Pignatari, Marco, Gorbaneva, Tatiana, Travaglio, Claudia, Côté, Benoit, Thielemann, Friedrich-Karl, Soubiran, Caroline
We present new observational data for the heavy elements molybdenum (Mo, Z = 42) and ruthenium (Ru, Z = 44) in F-, G-, and K-stars belonging to different substructures of the Milky Way. The range of metallicity covered is --1.0 $<$ [Fe/H] $<$ +0.3. T
Externí odkaz:
http://arxiv.org/abs/1908.02992
Publikováno v:
International Journal of Modern Physics E, Vol. 25, No. 4 (2016) 1630003
Beyond iron, a small fraction of the total abundances in the Solar System is made of proton-rich isotopes, the p nuclei. The clear understanding of their production is a fundamental challenge for nuclear astrophysics. The p nuclei constrain the nucle
Externí odkaz:
http://arxiv.org/abs/1605.03690
Autor:
Côté, Benoit, West, Christopher, Heger, Alexander, Ritter, Christian, O'Shea, Brian W., Herwig, Falk, Travaglio, Claudia, Bisterzo, Sara
We used a one-zone chemical evolution model to address the question of how many masses and metallicities are required in grids of massive stellar models in order to ensure reliable galactic chemical evolution predictions. We used a set of yields that
Externí odkaz:
http://arxiv.org/abs/1602.04824
Autor:
Lugaro, Maria, Pignatari, Marco, Ott, Ulrich, Zuber, Kai, Travaglio, Claudia, Gyurky, Gyorgy, Fulop, Zsolt
The abundances of 92Nb and 146Sm in the early Solar System are determined from meteoritic analysis and their stellar production is attributed to the p process. We investigate if their origin from thermonuclear supernovae deriving from the explosion o
Externí odkaz:
http://arxiv.org/abs/1601.05986
Autor:
Reifarth, René, Litvinov, Yuri A., Endres, Anne, Göbel, Kathrin, Heftrich, Tanja, Glorius, Jan, Koloczek, Alexander, Sonnabend, Kerstin, Travaglio, Claudia, Weigand, Mario
Publikováno v:
EPJ Web of Conferences 93, 02013 (2015)
Neutron capture cross sections of unstable isotopes are important for neutron-induced nucleosynthesis as well as for technological applications. A combination of a radioactive beam facility, an ion storage ring and a high flux reactor would allow a d
Externí odkaz:
http://arxiv.org/abs/1507.03186
We explore SNe Ia as p-process sites in the framework of two-dimensional SN Ia delayed detonation and pure deflagration models. The WD precursor is assumed to have reached the Chandrasekhar mass in a binary system by mass accretion from a giant/main
Externí odkaz:
http://arxiv.org/abs/1106.0582
Autor:
Kozma, Cecilia, Fransson, Claes, Hillebrandt, Wolfgang, Travaglio, Claudia, Sollerman, Jesper, Reinecke, Martin, Roepke, Friedrich Konrad, Spyromilio, Jason
Late time synthetic spectra of Type Ia supernovae, based on three-dimensional deflagration models, are presented. We mainly focus on one model,"c3_3d_256_10s", for which the hydrodynamics (Roepke 2005) and nucleosynthesis (Travaglio et al. 2004) was
Externí odkaz:
http://arxiv.org/abs/astro-ph/0504317
Autor:
Travaglio, Claudia, Gallino, Roberto, Arnone, Enrico, Cowan, John, Jordan, Faith, Sneden, Chris
Publikováno v:
Astrophys.J.601:864-884,2004
We follow the Galactic enrichment of three easily observed light n-capture elements Sr,Y,and Zr.Input stellar yields have been first separated into their respective main and weak s-process,and r-process components.The s-process yields from AGB stars
Externí odkaz:
http://arxiv.org/abs/astro-ph/0310189