Constraints on cosmic strings using data from the third Advanced LIGO–Virgo observing run

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Constraints on cosmic strings using data from the third Advanced LIGO–Virgo observing run. / LIGO Scientific and Virgo Collaboration ; Agatsuma, Kazuhiro; Stops, David; Pratten, Geraint; Del Pozzo, Walter; Prokhorov, Leonid; Martynov, Denis; Schmidt, Patricia; Middleton, Hannah; Moore, Chris.

In: Physical Review Letters, Vol. 126, No. 24, 241102, 18.06.2021.

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@article{5c2fe410e641434baba4bc8b32e457b1,
title = "Constraints on cosmic strings using data from the third Advanced LIGO–Virgo observing run",
abstract = "We search for gravitational-wave signals produced by cosmic strings in the Advanced LIGO and Virgo full O3 dataset. Search results are presented for gravitational waves produced by cosmic string loop features such as cusps, kinks, and, for the first time, kink-kink collisions. A template-based search for short-duration transient signals does not yield a detection. We also use the stochastic gravitational-wave background energy density upper limits derived from the O3 data to constrain the cosmic string tension Gμ as a function of the number of kinks, or the number of cusps, for two cosmic string loop distribution models. Additionally, we develop and test a third model that interpolates between these two models. Our results improve upon the previous LIGO–Virgo constraints on Gμ by 1 to 2 orders of magnitude depending on the model that is tested. In particular, for the one-loop distribution model, we set the most competitive constraints to date: Gμ≲4×10−15. In the case of cosmic strings formed at the end of inflation in the context of grand unified theories, these results challenge simple inflationary models.",
author = "{LIGO Scientific and Virgo Collaboration} and Alberto Vecchio and Haixing Miao and Riccardo Buscicchio and Kazuhiro Agatsuma and David Stops and Geraint Pratten and {Del Pozzo}, Walter and Leonid Prokhorov and Denis Martynov and Patricia Schmidt and Hannah Middleton and Chris Moore",
year = "2021",
month = jun,
day = "18",
doi = "10.1103/PhysRevLett.126.241102",
language = "English",
volume = "126",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society (APS)",
number = "24",

}

RIS

TY - JOUR

T1 - Constraints on cosmic strings using data from the third Advanced LIGO–Virgo observing run

AU - LIGO Scientific and Virgo Collaboration

AU - Vecchio, Alberto

AU - Miao, Haixing

AU - Buscicchio, Riccardo

AU - Agatsuma, Kazuhiro

AU - Stops, David

AU - Pratten, Geraint

AU - Del Pozzo, Walter

AU - Prokhorov, Leonid

AU - Martynov, Denis

AU - Schmidt, Patricia

AU - Middleton, Hannah

AU - Moore, Chris

PY - 2021/6/18

Y1 - 2021/6/18

N2 - We search for gravitational-wave signals produced by cosmic strings in the Advanced LIGO and Virgo full O3 dataset. Search results are presented for gravitational waves produced by cosmic string loop features such as cusps, kinks, and, for the first time, kink-kink collisions. A template-based search for short-duration transient signals does not yield a detection. We also use the stochastic gravitational-wave background energy density upper limits derived from the O3 data to constrain the cosmic string tension Gμ as a function of the number of kinks, or the number of cusps, for two cosmic string loop distribution models. Additionally, we develop and test a third model that interpolates between these two models. Our results improve upon the previous LIGO–Virgo constraints on Gμ by 1 to 2 orders of magnitude depending on the model that is tested. In particular, for the one-loop distribution model, we set the most competitive constraints to date: Gμ≲4×10−15. In the case of cosmic strings formed at the end of inflation in the context of grand unified theories, these results challenge simple inflationary models.

AB - We search for gravitational-wave signals produced by cosmic strings in the Advanced LIGO and Virgo full O3 dataset. Search results are presented for gravitational waves produced by cosmic string loop features such as cusps, kinks, and, for the first time, kink-kink collisions. A template-based search for short-duration transient signals does not yield a detection. We also use the stochastic gravitational-wave background energy density upper limits derived from the O3 data to constrain the cosmic string tension Gμ as a function of the number of kinks, or the number of cusps, for two cosmic string loop distribution models. Additionally, we develop and test a third model that interpolates between these two models. Our results improve upon the previous LIGO–Virgo constraints on Gμ by 1 to 2 orders of magnitude depending on the model that is tested. In particular, for the one-loop distribution model, we set the most competitive constraints to date: Gμ≲4×10−15. In the case of cosmic strings formed at the end of inflation in the context of grand unified theories, these results challenge simple inflationary models.

U2 - 10.1103/PhysRevLett.126.241102

DO - 10.1103/PhysRevLett.126.241102

M3 - Article

VL - 126

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 24

M1 - 241102

ER -