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Methods for systematic study of nuclear structure in high-energy collisions

  • Regular Article - Theoretical Physics
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Abstract

There is increasing interest in using high-energy collisions to probe the structure of nuclei, in particular with the high-precision data made possible by collisions performed with pairs of isobaric species. A systematic study requires a variation of parameters representing nuclear properties such as radius, skin thickness, angular deformation, and short-range correlations, to determine the sensitivity of the various observables on each of these properties. In this work we propose a method for efficiently carrying out such study, based on the shifting of positions of nucleons in Monte-Carlo samples. We show that by using this method, statistical demands can be dramatically reduced — potentially reducing the required number of simulated events by orders of magnitude — paving the way for systematic study of nuclear structure in high-energy collisions.

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Data availability statement

This manuscript has no associated data or the data will not be deposited. [Authors’ comment: The content of this work is the method, and not any particular numerical results, which is why there is no data to include.]

Notes

  1. In the language of fluid dynamics, this corresponds to irrotational flow.

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Acknowledgements

We thank Govert Nijs and Dean Lee for suggesting to try a reweighting method. We thank the Institute for Nuclear Theory at the University of Washington for its hospitality and the Department of Energy for partial support during the completion of this work. ML acknowledges the support of the São Paulo Research Foundation (FAPESP) under grants 2021/08465-9, 2018/24720-6, and 2017/05685-2, as well as the support of the Brazilian National Council for Scientific and Technological Development (CNPq). We thank support from the “Emilie du Châtelet” visitor programme and from the GLUODYNAMICS project funded by the “P2IO LabEx (ANR-10-LABX-0038)” in the framework “Investissements d’Avenir” (ANR-11-IDEX-0003-01) managed by the Agence Nationale de la Recherche (ANR), France. MH was supported by the National Science Foundation (NSF) within the framework of the MUSES collaboration, under Grant number OAC-2103680. Grant numbers 309012/2022-8,INCT-FNA.

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Authors and Affiliations

  1. Instituto de Física, Universidade de São Paulo, Rua do Matão, 1371, Butantã, São Paulo, 05508-090, Brazil

    Matthew Luzum

  2. Illinois Center for Advanced Studies of the Universe Department of Physics, University of Illinois at Urbana-Champaign, 1110 W. Green St., Urbana, IL, 61801-3080, USA

    Mauricio Hippert

  3. Institut de physique théorique, Université Paris Saclay, CNRS, CEA, 91191, Gif-sur-Yvette, France

    Jean-Yves Ollitrault

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  1. Matthew Luzum
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Correspondence to Matthew Luzum.

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Communicated by Thomas Duguet

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Luzum, M., Hippert, M. & Ollitrault, JY. Methods for systematic study of nuclear structure in high-energy collisions. Eur. Phys. J. A 59, 110 (2023). https://doi.org/10.1140/epja/s10050-023-01021-8

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