Complementarity between Cosmic String Gravitational Waves and long-lived particle searches in a laboratory
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866909904365682688 |
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| author | Datta, Satyabrata Ghosal, Ambar Ghoshal, Anish White, Graham |
| author_facet | Datta, Satyabrata Ghosal, Ambar Ghoshal, Anish White, Graham |
| contents | Cosmic strings are powerful witnesses to cosmic events including any period of early matter domination. If such a period of matter domination was catalysed by metastable, long-lived particles, then there will be complementary signals to ascertain the nature of dark sector in experiments detecting primordial features in the gravitational wave (GW) power spectrum and laboratory searches for long-lived particles. We give explicit examples of global and local U(1) gauge extended dark sectors to demonstrate such a complementarity as the union of the two experiments reveals more information about the dark sector than either experiment. Demanding that Higgs-portal long-lived scalar be looked for, in various experiments such as DUNE, FASER, FASER-II, MATHUSLA, SHiP, we identify the parameter space which leads to complementary observables for GW detectors such as LISA and ET. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2501_03326 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Complementarity between Cosmic String Gravitational Waves and long-lived particle searches in a laboratory Datta, Satyabrata Ghosal, Ambar Ghoshal, Anish White, Graham High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics High Energy Physics - Theory Cosmic strings are powerful witnesses to cosmic events including any period of early matter domination. If such a period of matter domination was catalysed by metastable, long-lived particles, then there will be complementary signals to ascertain the nature of dark sector in experiments detecting primordial features in the gravitational wave (GW) power spectrum and laboratory searches for long-lived particles. We give explicit examples of global and local U(1) gauge extended dark sectors to demonstrate such a complementarity as the union of the two experiments reveals more information about the dark sector than either experiment. Demanding that Higgs-portal long-lived scalar be looked for, in various experiments such as DUNE, FASER, FASER-II, MATHUSLA, SHiP, we identify the parameter space which leads to complementary observables for GW detectors such as LISA and ET. |
| title | Complementarity between Cosmic String Gravitational Waves and long-lived particle searches in a laboratory |
| topic | High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics High Energy Physics - Theory |
| url | https://arxiv.org/abs/2501.03326 |