University of Hertfordshire

By the same authors

Abundance uncertainties obtained with the PIZBUIN framework for Monte Carlo reaction rate variations

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Standard

Abundance uncertainties obtained with the PIZBUIN framework for Monte Carlo reaction rate variations. / Rauscher, T.; Nishimura, N.; Cescutti, G.; Hirschi, R.; Murphy, A. St J.

14th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG2017. Vol. 1947 American Institute of Physics Inc., 2018. 020015.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Harvard

Rauscher, T, Nishimura, N, Cescutti, G, Hirschi, R & Murphy, ASJ 2018, Abundance uncertainties obtained with the PIZBUIN framework for Monte Carlo reaction rate variations. in 14th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG2017. vol. 1947, 020015, American Institute of Physics Inc., 14th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG2017, Daejeon, Korea, Republic of, 27/06/17. https://doi.org/10.1063/1.5030819

APA

Rauscher, T., Nishimura, N., Cescutti, G., Hirschi, R., & Murphy, A. S. J. (2018). Abundance uncertainties obtained with the PIZBUIN framework for Monte Carlo reaction rate variations. In 14th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG2017 (Vol. 1947). [020015] American Institute of Physics Inc.. https://doi.org/10.1063/1.5030819

Vancouver

Rauscher T, Nishimura N, Cescutti G, Hirschi R, Murphy ASJ. Abundance uncertainties obtained with the PIZBUIN framework for Monte Carlo reaction rate variations. In 14th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG2017. Vol. 1947. American Institute of Physics Inc. 2018. 020015 https://doi.org/10.1063/1.5030819

Author

Rauscher, T. ; Nishimura, N. ; Cescutti, G. ; Hirschi, R. ; Murphy, A. St J. / Abundance uncertainties obtained with the PIZBUIN framework for Monte Carlo reaction rate variations. 14th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG2017. Vol. 1947 American Institute of Physics Inc., 2018.

Bibtex

@inproceedings{47ddd12b57574103927d9de8a59eaed2,
title = "Abundance uncertainties obtained with the PIZBUIN framework for Monte Carlo reaction rate variations",
abstract = "Uncertainties in nucleosynthesis models originating from uncertainties in astrophysical reaction rates were estimated in a Monte Carlo variation procedure. Thousands of rates were simultaneously varied within individual, temperature-dependent errors to calculate their combined effect on final abundances. After a presentation of the method, results from application to three different nucleosynthesis processes are shown: the γ-process and the s-process in massive stars, and the main s-process in AGB stars (preliminary results). Thermal excitation of nuclei in the stellar plasma and the combined action of several reactions increase the final uncertainties above the level of the experimental errors. The total uncertainty, on the other hand, remains within a factor of two even in processes involving a large number of unmeasured rates, with some notable exceptions for nuclides whose production is spread over several stellar layers and for s-process branchings.",
author = "T. Rauscher and N. Nishimura and G. Cescutti and R. Hirschi and Murphy, {A. St J.}",
year = "2018",
month = apr,
day = "25",
doi = "10.1063/1.5030819",
language = "English",
volume = "1947",
booktitle = "14th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG2017",
publisher = "American Institute of Physics Inc.",
note = "14th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG2017 ; Conference date: 27-06-2017 Through 30-06-2017",

}

RIS

TY - GEN

T1 - Abundance uncertainties obtained with the PIZBUIN framework for Monte Carlo reaction rate variations

AU - Rauscher, T.

AU - Nishimura, N.

AU - Cescutti, G.

AU - Hirschi, R.

AU - Murphy, A. St J.

PY - 2018/4/25

Y1 - 2018/4/25

N2 - Uncertainties in nucleosynthesis models originating from uncertainties in astrophysical reaction rates were estimated in a Monte Carlo variation procedure. Thousands of rates were simultaneously varied within individual, temperature-dependent errors to calculate their combined effect on final abundances. After a presentation of the method, results from application to three different nucleosynthesis processes are shown: the γ-process and the s-process in massive stars, and the main s-process in AGB stars (preliminary results). Thermal excitation of nuclei in the stellar plasma and the combined action of several reactions increase the final uncertainties above the level of the experimental errors. The total uncertainty, on the other hand, remains within a factor of two even in processes involving a large number of unmeasured rates, with some notable exceptions for nuclides whose production is spread over several stellar layers and for s-process branchings.

AB - Uncertainties in nucleosynthesis models originating from uncertainties in astrophysical reaction rates were estimated in a Monte Carlo variation procedure. Thousands of rates were simultaneously varied within individual, temperature-dependent errors to calculate their combined effect on final abundances. After a presentation of the method, results from application to three different nucleosynthesis processes are shown: the γ-process and the s-process in massive stars, and the main s-process in AGB stars (preliminary results). Thermal excitation of nuclei in the stellar plasma and the combined action of several reactions increase the final uncertainties above the level of the experimental errors. The total uncertainty, on the other hand, remains within a factor of two even in processes involving a large number of unmeasured rates, with some notable exceptions for nuclides whose production is spread over several stellar layers and for s-process branchings.

UR - http://www.scopus.com/inward/record.url?scp=85047493006&partnerID=8YFLogxK

U2 - 10.1063/1.5030819

DO - 10.1063/1.5030819

M3 - Conference contribution

AN - SCOPUS:85047493006

VL - 1947

BT - 14th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG2017

PB - American Institute of Physics Inc.

T2 - 14th International Symposium on Origin of Matter and Evolution of Galaxies, OMEG2017

Y2 - 27 June 2017 through 30 June 2017

ER -