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Nuclear Theory·nucl-th

Thursday·July 7, 2022

8 papers—3 primary·5 cross-listed

All8Primary3Cross-lists5
  1. 01

    [Submitted on 6 Jul 2022]

    Nuclear Many-Body Effect on Particle Emissions Following Muon Capture on Si and Ca

    Futoshi Minato · Tomoya Naito · Osamu Iwamoto

    Muon captures on nuclei have provided us with plenty of knowledge of nuclear properties. Recently, this reaction attracts attention in electronics, because it is argued that charged particle emissions following muon capture on silicon trigger non-negligible soft errors in memory devices. To investigate the particle emissions from a nuclear physics point of view, we develop a new approach using a microscopic model of muon capture and up-to-date particle emission models. We paid attention to the muon capture rates, the particle emission spectra, and the multiplicities that have a close interrelation with each other, and found that the nuclear many-body correlation including two-particle two-hole excitations is a key to explaining them simultaneously.

    Comments:
    7 pages, 2 figures, 2 tables
    Subjects:
    Nuclear Theory (nucl-th); Nuclear Experiment (nucl-ex)
    arXiv:
    2207.02514 [pdf]
    PRC(2023)·11 citations
  2. 02

    [Submitted on 6 Jul 2022]

    3-dimensional flow analysis: A novel tool to study the collision geometry and the Equation-of-State

    Tom Reichert🇩🇪 · Jan Steinheimer🇩🇪 · Marcus Bleicher🇩🇪

    We propose to extend the commonly known flow analysis in the transverse - plane to novel flow coefficients based on the angular distribution in the - and - planes. The new flow coefficients, called and (in addition to ), turn out to be also highly sensitive to the nuclear Equation-of-State and can be used to explore the EoS in more detail than is possible using only . As an example to quantify the effect of the EoS, the Ultra-relativistic Quantum Molecular Dynamics (UrQMD) model is used to investigate 20-30\% central Au+Au collisions at EGeV.

    Comments:
    8 pages, 7 figures
    Subjects:
    Nuclear Theory (nucl-th); Nuclear Experiment (nucl-ex)
    arXiv:
    2207.02594 [pdf]
    NPA(2024)·6 citations
  3. 03

    [Submitted on 6 Jul 2022]

    Halo EFT for Ne in a spherical formalism

    Wael Elkamhawy · Hans-Werner Hammer

    We calculate the electromagnetic properties of the deformed one-neutron halo candidate Ne using Halo Effective Field Theory (Halo EFT). In this framework, Ne is bound via a resonant -wave interaction between the Ne core and the valence neutron. We set up a spherical formalism for Ne in order to calculate the electromagnetic form factors and the E1-breakup strength distribution into the Ne-neutron continuum at leading order in Halo EFT. The associated uncertainties are estimated according to our power counting. In particular, we assume that the deformation of the Ne core enters at next-to-leading order. It can be accounted for by including the excited state of Ne as an explicit field in the effective Lagrangian.

    Comments:
    25 pages, 10 figures
    Subjects:
    Nuclear Theory (nucl-th)
    arXiv:
    2207.02838 [pdf]
    J.Phys.G(2023)·0 citations

Affiliations

first authorsco-authorsvia INSPIRE