Publications

Silicon isotopic composition of mainstream presolar SiC grains revisited: The impact of nuclear reaction rate uncertainties

H. K. Fok, M. Pignatari, B. Côté, R. Trappitsch
DOI

The presolar grain database: I. Silicon carbide

Thomas Stephan, Reto Trappitsch, Peter Hoppe, Andrew M. Davis, Maitrayee Bose, Asmaa Boujibar, Frank Gygnard, K. Mairin Hynes, Nan Liu, Larry R. Nittler
DOI

Reliable uncertainties: Error correlation, rotated error bars, and linear regressions in three-isotope plots and beyond

Thomas Stephan, Reto Trappitsch
DOI

High-useful yield and new autoionizing state of resonantly ionized Tungsten

D. Z. Shulaker, R. Trappitsch, M. R. Savina, B. H. Isselhardt
DOI

Horizons: Nuclear Astrophysics in the 2020s and Beyond

H. Schatz, et al.
DOI

Resonance Ionization of Zirconium

R. Trappitsch, D. Z. Shulaker, W.-J. Ong, M. R. Savina, B. H. Isselhardt
DOI

Simultaneous Isotopic Analysis of U, Pu, and Am in Spent Nuclear Fuel by Resonance Ionization Mass Spectrometry

Michael R. Savina, Brett H. Isselhardt, Reto Trappitsch
DOI

Resonance Ionization Mass Spectrometry (RIMS): Fundamentals and Applications Including Secondary Neutral Mass Spectrometry

Michael R. Savina, Reto Trappitsch
URL OSTI

The Fall, Recovery, Classification and Initial Characterization of the Hamburg, Michigan H4 Chondrite

P. R. Heck, J. Greer, J. Boesenberg, A. Bouvier, M. W. Caffee, W. Cassata, C. Corrigan, A. M. Davis, D. Davis, M. Fries, M. Hankey, P. Jenniskens, P. Schmitt-Kopplin, S. Sheu, R. Trappitsch, M. Velbel, B. Weller, K. Welten, Q.-Z. Yin, M. E. Sanborn, K. Ziegler, D. Rowland, K. L. Verosub, Q. Zhou, Y. Liu, G. Q. Tang, Q. L. Li, X.-H. Li
DOI

Cosmic ray effects on the isotope composition of hydrogen and noble gases in lunar samples: Insights from Apollo 12018

E. Füri, L. Zimmermann, E. Deloule, R. Trappitsch
DOI

Origin of large meteoritic SiC stardust grains in metal-rich AGB stars

M. Lugaro, B. Cseh, B. Világos, A. I. Karakas, P. Ventura, F. Dell'Agli, R. Trappitsch, M. Hampel, V. D'Orazi, C. B. Pereira, G. Tagliente, G. M. Szabó, M. Pignatari, U. Battino, A. Tattersall, M. Ek, M. Schönbächler, J. Hron, L. R. Nittler
DOI

Lifetimes of interstellar dust from cosmic-ray exposure ages of presolar silicon carbide

P. R. Heck, J. Greer, L. Kööp, R. Trappitsch, F. Gyngard, H. Busemann, C. Maden, J. N. Ávila, A. M. Davis, R. Wieler
DOI

NuGrid stellar data set - III. Updated low-mass AGB models and s-process nucleosynthesis with metallicities Z=0.01, Z=0.02 and Z=0.03

U. Battino, A. Tattersall, C. Lederer-Woods, F. Herwig, P. Denissenkov, R. Hirschi, R. Trappitsch, J. W. den Hartogh, Pignatari M.
DOI

Presolar Silicon Carbide Grains of Types Y and Z: Their Molybdenum Isotopic Compositions and Stellar Origins

N. Liu, T. Stephan, S. Cristallo, R. Gallino, P. Boehnke, L. R. Nittler, C. M. O'D., Alexander, A. M. Davis, R. Trappitsch, M. J. Pellin, I. Dillmann
DOI

Molybdenum Isotopes in Presolar Silicon Carbide Grains: Details of s-process Nucleosynthesis in Parent Stars and Implications for r- and p-processes

Thomas Stephan, Reto Trappitsch, Peter Hoppe, Andrew M. Davis, Michael J. Pellin, Olivia S. Pardo
DOI

MMA SAG: Thermonuclear Supernovae

Michael Zingale, Chris Fryer, Aimee Hungerford, Samar Safi-Harb, Reto Trappitsch, Robert Fisher, Alan Calder, Ken Shen
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Core-Collapse Supernovae and Multi-Messenger Astronomy

Chris Fryer, Eric Burns, Pete Roming, Sean Couch, Marek Szczepańczyk, Pat Slane, Irene Tamborra, Reto Trappitsch
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$^{60}$Fe in core-collapse supernovae and prospects for X-ray and gamma-ray detection in supernova remnants

Samuel W. Jones, Heiko Möller, Chris L. Fryer, Christopher J. Fontes, Reto Trappitsch, Wesley P. Even, Aaron Couture, Matthew R. Mumpower, Samar Safi-Harb
DOI

Electronic excitation of uranium atoms sputtered from uranium metal and oxides

Michael R. Savina, Reto Trappitsch, Brett H. Isselhardt
DOI

Iron and nickel isotope compositions of presolar silicon carbide grains from supernovae

J. Kodolányi, T. Stephan, R. Trappitsch, P. Hoppe, M. Pignatari, A. M. Davis, M. J. Pellin
DOI

New Constraints on the Major Neutron Source in Low-mass AGB Stars

Nan Liu, Roberto Gallino, Sergio Cristallo, Sara Bisterzo, Andrew M. Davis, Reto Trappitsch, Larry R. Nittler
DOI

Resonance ionization of titanium: high useful yield and new autoionizing states

Reto Trappitsch, Michael R. Savina, Brett H. Isselhardt
DOI

New Resonance Ionization Mass Spectrometry Scheme for Improved Uranium Analysis

Michael R. Savina, Reto Trappitsch, Andrew Kucher, Brett H. Isselhardt
DOI

Potassic, high-silica Hadean crust

P. Boehnke, E. A. Bell, T. Stephan, R. Trappitsch, C. Brenhin Keller, O. S. Pardo, A. M. Davis, T. M. Harrison, M. J. Pellin
DOI

Chronology of Martian breccia NWA 7034 and implications for formation of the Martian crustal dichotomy

W. S. Cassata, B. E., Cohen, D. F., Mark, R. Trappitsch, C. A., Crow, J., Wimpenny, M. R., Lee, C. L. Smith
DOI

New Constraints for the Abundance of $^{60}$Fe in the Early Solar System

R. Trappitsch, P. Boehnke, T. Stephan, M. Telus, M. R. Savina, O. Pardo, A. M. Davis, N. Dauphas, M. J. Pellin, G. R. Huss

Common Occurrence of Explosive Hydrogen Burning in Type II Supernovae

N. Liu, T. Stephan, P. Boehnke, L. R. Nittler, B. S. Meyer, C. M. O'D. Alexander, A. M. Davis, R. Trappitsch, M. J. Pellin
DOI

Effects of Plume Hydrodynamics and Oxidation on the Composition of a Condensing Laser-Induced Plasma

D. G. Weisz, J. C. Crowhurst, M. S. Finko, T. P. Rose, B. Koroglu, R. Trappitsch, H. B. Radousky, W. J. Siekhaus, M. R. Armstrong, B. H. Isselhardt, M. Azer, D. Curreli
DOI

The neutron capture process in the He shell in core-collapse supernovae: Presolar silicon carbide grains as a diagnostic tool for nuclear astrophysics

M. Pignatari, P. Hoppe, R. Trappitsch, C. Fryer, F. X. Timmes, F. Herwig, R Hirschi
DOI

Strontium and barium isotopes in presolar silicon carbide grains measured with CHILI—two types of X grains

T. Stephan, R. Trappitsch, A. M. Davis, M. J. Pellin, D. Rost, M. R. Savina, M. Jadhav, C. H. Kelly, F. Gyngard, P. Hoppe, N. Dauphas
DOI

Simultaneous iron and nickel isotopic analyses of presolar silicon carbide grains

R. Trappitsch, T. Stephan, M. R. Savina, A. M. Davis, M. J. Pellin, D. Rost, F. Gyngard, R. Gallino, S. Bisterzo, S. Cristallo, N. Dauphas
DOI

The production rate of cosmogenic deuterium at the Moon's surface

E. Füri, E. Deloule, R. Trappitsch
DOI

J-type Carbon Stars: A Dominant Source of $^{14}$N-rich Presolar SiC Grains of Type AB

N. Liu, T. Stephan, P. Boehnke, L. R. Nittler, C. M. O'D. Alexander, J. Wang, A. M. Davis, R. Trappitsch, M.J. Pellin
DOI

High Useful Yield and Isotopic Analysis of Uranium by Resonance Ionization Mass Spectrometry

M. R. Savina, B. H. Isselhardt, A. Kucher, R. Trappitsch, B. V. King, D. Ruddle, R. Gopal, I. Hutcheon
DOI

Neon produced by solar cosmic rays in ordinary chondrites

A. S. G. Roth, R. Trappitsch, K. Metzler, B. A. Hofmann, I. Leya
DOI

CHILI – the Chicago Instrument for Laser Ionization – a new tool for isotope measurements in cosmochemistry

T. Stephan, R. Trappitsch, A. M. Davis, M. J. Pellin, D. Rost, M. R. Savina, R. Yokochi, N. Liu
DOI

NuGrid stellar data set. I. Stellar yields from H to Bi for stars with metallicities Z= 0.02 and Z= 0.01

M. Pignatari, F. Herwig, R. Hirschi, M. Bennett, G. Rockefeller, C. Fryer, F.X. Timmes, A. Heger, S. Jones, U. Battino, C. Ritter, A. Dotter, R. Trappitsch, S. Diehl, U. Frischknecht, A. Hungerford, G. Magkotsios, C. Travaglio, P. Young
DOI

Diffusion of helium in SiC and implications for retention of cosmogenic He

D. J. Cherniak, E. B. Watson, R. Trappitsch, J. B. Thomas, D. Chaussende
DOI

Application of a theory and simulation-based convective boundary mixing model for AGB star evolution and nucleosynthesis

U. Battino, M. Pignatari, C. Ritter, F. Herwig, P. Denisenkov, J. W. Den Hartogh, R. Trappitsch, R. Hirschi, B. Freytag, F. Thielemann, B. Paxton
DOI

Production and recoil loss of cosmogenic nuclides in presolar grains

R. Trappitsch, I. Leya
DOI

Noble gases in 18 Martian meteorites and angrite Northwest Africa 7812—Exposure ages, trapped gases, and a re‐evaluation of the evidence for solar cosmic ray‐produced neon in shergottites and other achondrites

R. Wieler, L. Huber, H. Busemann, S. Seiler, I. Leya, C. Maden, J. Masarik, M.~M.~M. Meier, K. Nagao, R. Trappitsch, A.~J. Irving
DOI

Carbon-rich presolar grains from massive stars: Subsolar $^{12}$C/$^{13}$C and $^{14}$N/$^{15}$N ratios and the mystery of $^{15}$N

M. Pignatari, E. Zinner, P. Hoppe, C. J. Jordan, B. K. Gibson, R. Trappitsch, F. Herwig, C. Fryer, R. Hirschi, F. X. Timmes
DOI

Solar cosmic-ray interaction with protoplanetary disks: Production of short-lived radionuclides and amorphization of crystalline material

R. Trappitsch, F. J. Ciesla
DOI

MESA and NuGrid simulations of classical novae: CO and ONe nova nucleosynthesis

P. A. Denissenkov, J. W. Truran, M. Pignatari, R. Trappitsch, C. Ritter, F. Herwig, U. Battino, K. Setoodehnia, B. Paxton
DOI

He and Ne in individual chromite grains from the regolith breccia Ghubara (L5): Exploring the history of the L chondrite parent body regolith

M. M. M. Meier, B. Schmitz, C. Alwmark, R. Trappitsch, C. Maden, R. Wieler
DOI

Silicon carbide grains of type C provide evidence for the production of the unstable isotope $^{32}$Si in supernovae

M. Pignatari, E. Zinner, M. G. Bertolli, R. Trappitsch, P. Hoppe, T. Rauscher, C. Fryer, F. Herwig, R. Hirschi, F. X. Timmes, F.-K. Thielmann
DOI

Cosmogenic production rates and recoil loss effects in micrometeorites and interplanetary dust particles

R. Trappitsch, I. Leya
DOI