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PrecisionNuclei SIGNED

Strong interactions for precision nuclear physics

Total Cost €

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EC-Contrib. €

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Partnership

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 PrecisionNuclei project word cloud

Explore the words cloud of the PrecisionNuclei project. It provides you a very rough idea of what is the project "PrecisionNuclei" about.

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Project "PrecisionNuclei" data sheet

The following table provides information about the project.

Coordinator
CHALMERS TEKNISKA HOEGSKOLA AB 

Organization address
address: -
city: GOETEBORG
postcode: 41296
website: www.chalmers.se

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Sweden [SE]
 Total cost 1˙499˙085 €
 EC max contribution 1˙499˙085 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-STG
 Funding Scheme ERC-STG
 Starting year 2018
 Duration (year-month-day) from 2018-02-01   to  2023-01-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CHALMERS TEKNISKA HOEGSKOLA AB SE (GOETEBORG) coordinator 1˙499˙085.00

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 Project objective

Nuclear physics is a cornerstone in our scientific endeavour to understand the universe. Indeed, atomic nuclei bring us closer to study both the stellar explosions in the macrocosmos, where the elements are formed, and the fundamental symmetries of the microcosmos. Having access to a a precise description of the interactions between protons and neutrons would provide a key to new knowledge across 20 orders of magnitude; from neutrinos to neutron stars. Despite a century of the finest efforts, a systematic description of strongly interacting matter at low energies is still lacking. Successful theoretical approaches, such as mean-field and shell models, rely on uncontrolled approximations that severely limit their predictive power in regions where the model has not been adjusted.

In this project I will develop a novel methodology to use experimental information from heavy atomic nuclei in the construction of nuclear interactions from chiral effective field theory. I expect this approach to enable me and my team to make precise ab initio predictions of various nuclear observables in a wide mass-range from hydrogen to lead as well as infinite nuclear matter. I will apply Bayesian regression and methods from machine learning to quantify the statistical and systematic uncertainties of the theoretical predictions. The novelty and challenge in this project lies in synthesising (i) the design of nuclear interactions, (ii) ab initio calculations of nuclei, and (iii) statistical inference in the confrontation between theory and experimental data. This alignment of methods, harboured within the same project, will create a clear scientific advantage and allow me to tackle the following big research question: how can atomic nuclei be described in chiral effective field theories of quantum chromo dynamics?

 Publications

year authors and title journal last update
List of publications.
2018 Bijaya Acharya, Andreas Ekström, Lucas Platter
Effective-field-theory predictions of the muon-deuteron capture rate
published pages: , ISSN: 2469-9985, DOI: 10.1103/PhysRevC.98.065506
Physical Review C 98/6 2019-08-29
2019 Hsuan-Hao Lu, Natalie Klco, Joseph M. Lukens, Titus D. Morris, Aaina Bansal, Andreas Ekström, Gaute Hagen, Thomas Papenbrock, Andrew M. Weiner, Martin J. Savage, Pavel Lougovski
Simulations of subatomic many-body physics on a quantum frequency processor
published pages: , ISSN: 2469-9926, DOI: 10.1103/PhysRevA.100.012320
Physical Review A 100/1 2019-08-29
2019 A Ekström, C Forssén, C Dimitrakakis, D Dubhashi, H T Johansson, A S Muhammad, H Salomonsson, A Schliep
Bayesian optimization in ab initio nuclear physics
published pages: 95101, ISSN: 0954-3899, DOI: 10.1088/1361-6471/ab2b14
Journal of Physics G: Nuclear and Particle Physics 46/9 2019-08-29

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