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Cosmic Strings in Hidden Sectors: 1. Radiation of Standard Model Particles

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arxiv 1405.7679 v1 pith:AQ73Q5QL submitted 2014-05-29 hep-ph astro-ph.COhep-th

Andrew J. Long , Jeffrey M. Hyde , Tanmay Vachaspati This is my paper · ORCID
classification hep-phastro-ph.COhep-th
keywords modelstandardstringsdarkradiationbosonscalculatecosmic
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In hidden sector models with an extra U(1) gauge group, new fields can interact with the Standard Model only through gauge kinetic mixing and the Higgs portal. After the U(1) is spontaneously broken, these interactions couple the resultant cosmic strings to Standard Model particles. We calculate the spectrum of radiation emitted by these "dark strings" in the form of Higgs bosons, Z bosons, and Standard Model fermions assuming that string tension is above the TeV scale. We also calculate the scattering cross sections of Standard Model fermions on dark strings due to the Aharonov-Bohm interaction. These radiation and scattering calculations will be applied in a subsequent paper to study the cosmological evolution and observational signatures of dark strings.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Cosmic Strings in Multi-Step Symmetry Breaking

    hep-ph 2025-06 conditional novelty 7.0 of 10

    In an SU(2)xU(1) to U(1)' to nothing chain, magnetic flux around decaying metastable strings is confined if the final U(1)' breaks first, but unconfined if the heavy strings decay first.

  2. Stochastic Gravitational Wave Background from Chiral Superconducting Cosmic Strings

    astro-ph.CO 2024-12 conditional novelty 6.0 of 10

    Superconducting cosmic string loops emit vector radiation whose strength is fitted in this paper; including this channel suppresses the predicted gravitational wave background for strong coupling and can make the spec...

  3. Probing the gravitational wave background from cosmic strings with LISA

    astro-ph.CO 2019-09 conditional novelty 6.0 of 10

    LISA is projected to probe cosmic string tensions G mu down to about 1e-17 and to measure spectral features from early-universe physics.

  4. Waveform Modelling for the Laser Interferometer Space Antenna

    gr-qc 2023-11 unverdicted novelty 2.0 of 10

    A review of existing waveform models for LISA sources and the challenges that must still be overcome.

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