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Constraints on cosmic strings using data from the first Advanced LIGO observing run

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Constraints on cosmic strings using data from the first Advanced LIGO observing run. / LIGO Scientific Collaboration and Virgo Collaboration.

In: Physical Review D, Vol. 97, No. 10, 102002, 08.05.2018.

Research output: Contribution to journalJournal article

Harvard

LIGO Scientific Collaboration and Virgo Collaboration 2018, 'Constraints on cosmic strings using data from the first Advanced LIGO observing run', Physical Review D, vol. 97, no. 10, 102002. https://doi.org/10.1103/PhysRevD.97.102002

APA

LIGO Scientific Collaboration and Virgo Collaboration (2018). Constraints on cosmic strings using data from the first Advanced LIGO observing run. Physical Review D, 97(10), [102002]. https://doi.org/10.1103/PhysRevD.97.102002

Vancouver

LIGO Scientific Collaboration and Virgo Collaboration. Constraints on cosmic strings using data from the first Advanced LIGO observing run. Physical Review D. 2018 May 8;97(10). 102002. https://doi.org/10.1103/PhysRevD.97.102002

Author

LIGO Scientific Collaboration and Virgo Collaboration. / Constraints on cosmic strings using data from the first Advanced LIGO observing run. In: Physical Review D. 2018 ; Vol. 97, No. 10.

Bibtex

@article{c77e9f849585478fbcbad2205076aaa6,
title = "Constraints on cosmic strings using data from the first Advanced LIGO observing run",
abstract = "Cosmic strings are topological defects which can be formed in grand unified theory scale phase transitions in the early universe. They are also predicted to form in the context of string theory. The main mechanism for a network of Nambu-Goto cosmic strings to lose energy is through the production of loops and the subsequent emission of gravitational waves, thus offering an experimental signature for the existence of cosmic strings. Here we report on the analysis conducted to specifically search for gravitational-wave bursts from cosmic string loops in the data of Advanced LIGO 2015-2016 observing run (O1). No evidence of such signals was found in the data, and as a result we set upper limits on the cosmic string parameters for three recent loop distribution models. In this paper, we initially derive constraints on the string tension Gμ and the intercommutation probability, using not only the burst analysis performed on the O1 data set but also results from the previously published LIGO stochastic O1 analysis, pulsar timing arrays, cosmic microwave background and big-bang nucleosynthesis experiments. We show that these data sets are complementary in that they probe gravitational waves produced by cosmic string loops during very different epochs. Finally, we show that the data sets exclude large parts of the parameter space of the three loop distribution models we consider.",
keywords = "General Relativity and Quantum Cosmology, Astrophysics - Cosmology and Nongalactic Astrophysics",
author = "{LIGO Scientific Collaboration and Virgo Collaboration} and Abbott, {B. P.} and M. Pitkin",
note = "{\textcopyright} 2018 American Physical Society ",
year = "2018",
month = may
day = "8",
doi = "10.1103/PhysRevD.97.102002",
language = "English",
volume = "97",
journal = "Physical Review D",
issn = "1550-7998",
publisher = "American Physical Society",
number = "10",

}

RIS

TY - JOUR

T1 - Constraints on cosmic strings using data from the first Advanced LIGO observing run

AU - LIGO Scientific Collaboration and Virgo Collaboration

AU - Abbott, B. P.

AU - Pitkin, M.

N1 - © 2018 American Physical Society

PY - 2018/5/8

Y1 - 2018/5/8

N2 - Cosmic strings are topological defects which can be formed in grand unified theory scale phase transitions in the early universe. They are also predicted to form in the context of string theory. The main mechanism for a network of Nambu-Goto cosmic strings to lose energy is through the production of loops and the subsequent emission of gravitational waves, thus offering an experimental signature for the existence of cosmic strings. Here we report on the analysis conducted to specifically search for gravitational-wave bursts from cosmic string loops in the data of Advanced LIGO 2015-2016 observing run (O1). No evidence of such signals was found in the data, and as a result we set upper limits on the cosmic string parameters for three recent loop distribution models. In this paper, we initially derive constraints on the string tension Gμ and the intercommutation probability, using not only the burst analysis performed on the O1 data set but also results from the previously published LIGO stochastic O1 analysis, pulsar timing arrays, cosmic microwave background and big-bang nucleosynthesis experiments. We show that these data sets are complementary in that they probe gravitational waves produced by cosmic string loops during very different epochs. Finally, we show that the data sets exclude large parts of the parameter space of the three loop distribution models we consider.

AB - Cosmic strings are topological defects which can be formed in grand unified theory scale phase transitions in the early universe. They are also predicted to form in the context of string theory. The main mechanism for a network of Nambu-Goto cosmic strings to lose energy is through the production of loops and the subsequent emission of gravitational waves, thus offering an experimental signature for the existence of cosmic strings. Here we report on the analysis conducted to specifically search for gravitational-wave bursts from cosmic string loops in the data of Advanced LIGO 2015-2016 observing run (O1). No evidence of such signals was found in the data, and as a result we set upper limits on the cosmic string parameters for three recent loop distribution models. In this paper, we initially derive constraints on the string tension Gμ and the intercommutation probability, using not only the burst analysis performed on the O1 data set but also results from the previously published LIGO stochastic O1 analysis, pulsar timing arrays, cosmic microwave background and big-bang nucleosynthesis experiments. We show that these data sets are complementary in that they probe gravitational waves produced by cosmic string loops during very different epochs. Finally, we show that the data sets exclude large parts of the parameter space of the three loop distribution models we consider.

KW - General Relativity and Quantum Cosmology

KW - Astrophysics - Cosmology and Nongalactic Astrophysics

U2 - 10.1103/PhysRevD.97.102002

DO - 10.1103/PhysRevD.97.102002

M3 - Journal article

VL - 97

JO - Physical Review D

JF - Physical Review D

SN - 1550-7998

IS - 10

M1 - 102002

ER -