Experimental nuclear physics articles within Nature Communications

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  • Article
    | Open Access

    Positronium decay events can be used to test violation of fundamental symmetries. Here, the authors use events in the J-PET to improve existing limits on P, T and CP invariance in positronium decays, thanks to a method that does not require to measure the positronium spin but determining polarization of the annihilation photons instead.

    • Paweł Moskal
    • , Eryk Czerwiński
    •  & Wojciech Wiślicki

  • Article
    | Open Access

    Superheavy nuclei are synthesized in the laboratory through the fusion of lighter nuclei. Here the authors study multinucleon transfer and interactions during the early stages of nuclear fusion in the collision of 40Ca and 208Pb nuclei showing early onset of complexity.

    • Kaitlin J. Cook
    • , Dominic C. Rafferty
    •  & Suzana Szilner

  • Article
    | Open Access

    In laser-driven inertial fusion, finding optimal driving pressure is a major challenge. Here, the authors use a 100 kJ SG laser and a hybrid-drive scheme to demonstrate such driving pressure with the help of the direct-drive laser such that the indirect-drive radiation ablation pressure is turned into a well-smoothed hybrid-drive pressure much greater than the radiation ablation pressure.

    • Ji Yan
    • , Jiwei Li
    •  & Shaoping Zhu

  • Article
    | Open Access

    It is interesting and important to understand how the properties of nuclei and their stability change with temperature. Here the authors report their theoretical study of hot nuclei and the drip lines that limit the nuclear existence at finite temperature.

    • Ante Ravlić
    • , Esra Yüksel
    •  & Nils Paar

  • Article
    | Open Access

    Carbon (12C) nucleus has interesting characteristics including the existence of the Hoyle state. Here the authors discuss the structure of the nuclear states of 12C by using nuclear lattice effective field theory.

    • Shihang Shen
    • , Serdar Elhatisari
    •  & Ulf-G. Meißner

  • Article
    | Open Access

    Halo-structured nuclei are examples of many-body open quantum system. Here the authors use a complete kinematics measurement and find an elastic breakup of proton halo nucleus 8B.

    • L. Yang
    • , C. J. Lin
    •  & F. P. Zhong

  • Article
    | Open Access

    CPT violation could manifest itself in annihilating positronium events, but searching for this effect would require to know the spin of the annihilating system. Here, the authors do this using a positron-emission tomography scanner, finding no violation with a statistical precision of 10−4.

    • P. Moskal
    • , A. Gajos
    •  & W. Wiślicki

  • Article
    | Open Access

    Laser spectroscopic measurements of isotopes near the doubly-magic 100-Sn are challenging due to difficulties in their production. Here the authors measure the ground state charge radius of the proton-rich 96-Ag isotope and find a discontinuity in the nuclear size when crossing the neutron number N equal to 50.

    • M. Reponen
    • , R. P. de Groote
    •  & I. D. Moore

  • Article
    | Open Access

    The charge radius of nucleons provides information about their structure. Here the authors present a method, based values of neutron electric form factors, to determine the charge radius of the neutron and provide information on improving the uncertainty of neutron charge radius measurements

    • H. Atac
    • , M. Constantinou
    •  & N. Sparveris

  • Article
    | Open Access

    Second order effects can play an important role in highlighting nuclear structure properties. Here, the authors show how the second-order nuclear transitions in the form of double-gamma decay in 137Ba help understanding atomic nuclei.

    • P.-A. Söderström
    • , L. Capponi
    •  & T. Petruse

  • Article
    | Open Access

    Octupole deformation in nuclei is important to understand nuclear structure and electric dipole moments of heavy atoms. Here the authors measure energies of excited quantum states in radon isotopes and find that these isotopes do not provide favourable conditions in the search for CP-violation.

    • P. A. Butler
    • , L. P. Gaffney
    •  & M. Zielinska

  • Article
    | Open Access

    Symmetry breaking is an important process in fundamental understanding of matter and dark matter. Here the authors discuss an experimental bound on an exotic parity odd spin- and velocity-dependent interaction between electron and nucleon by using a sensitive spin-exchange relaxation-free atomic magnetometer.

    • Young Jin Kim
    • , Ping-Han Chu
    •  & Shaun Newman

  • Article
    | Open Access

    Weaker ferritic/matensitic steels rather than stronger austenitic steels are usually candidates for nuclear reactors since they do not easily swell under irradiation. Here, the authors make an ultrastrong lanthanum-doped nanocrystalline austenitic steel that is thermally stable and radiation-tolerant.

    • Congcong Du
    • , Shenbao Jin
    •  & Tongde Shen

  • Article
    | Open Access

    Mapping the distribution of magnetic fields inside bulk materials is challenging but crucial to understand and develop functional magnetic materials. Here the authors demonstrate the capability to visualize 3D vector magnetic fields inside materials using spin-polarized neutron tomography and tensorial reconstruction techniques.

    • A. Hilger
    • , I. Manke
    •  & J. Banhart

  • Article
    | Open Access

    Magic numbers are associated with the stability of atomic nuclei. Here, the authors analyse the proton radii, binding energies and electric quadrupole transition rates of neutron-rich carbon isotopes at proton number six and use nuclear structure models to support the magic number Z = 6.

    • D. T. Tran
    • , H. J. Ong
    •  & T. Yamamoto

  • Article
    | Open Access

    Authenticating a nuclear warhead without revealing its design is a challenge. Here the authors discuss a nuclear disarmament verification method based on neutron resonance analysis which is sensitive to the isotopic composition of the materials used in warheads.

    • Jake J. Hecla
    •  & Areg Danagoulian

  • Article
    | Open Access

    It remains a challenge to find the structure and the distribution of the constituents of nucleons. Here the authors use a scattering method to get information about the gluons and quarks inside a proton and separate the contribution of Bethe-Heitler from the deeply virtual Compton scattering process.

    • M. Defurne
    • , A. Martí Jiménez-Argüello
    •  & P. Zhu

  • Article
    | Open Access

    Precision measurements provide a sensitive test of fundamental constants and their uncertainties. Here the authors precisely measure the hyperfine structure splitting in bismuth ions, and report significant discrepancy with the theoretical prediction of quantum electrodynamics.

    • Johannes Ullmann
    • , Zoran Andelkovic
    •  & Wilfried Nörtershäuser

  • Article
    | Open Access

    Zero-knowledge proofs can be used to prove that a statement is true without revealing why it is. Here the authors demonstrate a non-electronic fast neutron radiography technique to confirm that two objects are identical without revealing any details about their design or composition.

    • Sébastien Philippe
    • , Robert J. Goldston
    •  & Francesco d’Errico

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