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Dear all
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<div class="">that could be interesting…</div>
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<div class="">Best </div>
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<div class="">Stephan<br class="">
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<span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">Subject:
</b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class=""><b class="">[Int_subscribers] REMINDER: INT S@INT seminar tomorrow 5/28</b><br class="">
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<span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif; color:rgba(0, 0, 0, 1.0);" class=""><b class="">Date:
</b></span><span style="font-family: -webkit-system-font, Helvetica Neue, Helvetica, sans-serif;" class="">27 May 2020 at 19:13:35 CEST<br class="">
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Dear Colleagues,<o:p class=""></o:p></div>
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Please join us for the next online INT Seminar (o-S@INT) on<span class="Apple-converted-space"> </span><b class="">Thursday, May 28 at 10:30 am Pacific</b><span class="Apple-converted-space"> </span><b class="">Time,</b><span class="Apple-converted-space"> </span>presented
by<span class="Apple-converted-space"> </span><span style="color: rgb(33, 33, 33);" class="">Christian Drischler, University of California, Berkeley, and Lawrence Berkeley National Laboratory.</span><o:p class=""></o:p></div>
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<o:p class=""> </o:p></div>
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The meeting will be held over Zoom at the following link: <a href="https://washington.zoom.us/j/503329151" style="color: rgb(149, 79, 114); text-decoration: underline;" class="">https://washington.zoom.us/j/503329151</a>.<o:p class=""></o:p></div>
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<o:p class=""> </o:p></div>
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<b class=""><u class="">Title<o:p class=""></o:p></u></b></div>
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"Quantifying uncertainties in the nuclear-matter equation of state"<o:p class=""></o:p></div>
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<b class=""><u class="">Abstract<o:p class=""></o:p></u></b></div>
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How well do we know the neutron-matter equation of state (EOS) at the densities inside neutron stars? And the nuclear saturation properties of symmetric matter? Chiral effective field theory (EFT) is widely used to predict the nuclear-matter EOS. What is needed
now are statistically meaningful comparisons between nuclear theory and recent observational constraints, e.g., from NICER and direct detection of gravitational waves.<o:p class=""></o:p></div>
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In this talk I report on the BUQEYE collaboration's [1] recent statistical analysis of EFT truncation errors in the infinite-matter EOS derived from chiral EFT [2,3]. Bayesian machine learning, via Gaussian Processes with physics-based hyperparameters, allows
us to efficiently quantify and propagate theoretical uncertainties of the EOS (such as correlated EFT truncation errors) to derived quantities. In particular, I will explain why an understanding of truncation-error correlations between different densities
and observables is crucial for reliable EOS uncertainty quantification.<o:p class=""></o:p></div>
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[1]<span class="Apple-converted-space"> </span><a href="https://www.google.com/url?q=https%3A%2F%2Fbuqeye.github.io%2F&sa=D&sntz=1&usg=AFQjCNHa3BqP5iAxr4D_aeWs7u_cWbv4SA" target="_blank" style="color: rgb(149, 79, 114); text-decoration: underline;" class="">https://buqeye.github.io/</a><o:p class=""></o:p></div>
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[2] Drischler, Furnstahl, Melendez, and Phillips, arXiv:2004.07232<o:p class=""></o:p></div>
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[3] Drischler, Melendez, Furnstahl, and Phillips, arXiv:2004.07805<o:p class=""></o:p></div>
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<o:p class=""> </o:p></div>
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We look forward to seeing you there!<o:p class=""></o:p></div>
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<br class="">
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<div class="">----------------------------------------------<br class="">
Prof. Dr. Stephan Rosswog </div>
<div class="">Computational High-Energy Astrophysics<br class="">
<br class="">
The Oskar Klein Centre for Cosmoparticle Physics<br class="">
Department of Astronomy, Stockholm University<br class="">
AlbaNova, Roslagstullbacken 21<br class="">
SE-10691 Stockholm, Sweden<br class="">
<br class="">
<a href="mailto:stephan.rosswog@astro.su.se" class="">Email: stephan.rosswog@astro.su.se</a><br class="">
Tel.: +46 (0)8 5537 8529<br class="">
URL: http://compact-merger.astro.su.se/</div>
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