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CERN Accelerating science

CERN Document Server 6 records found  Search took 0.76 seconds. 
1.
Improved Limits on Relativistic Interstellar Objects near Earth / Cline, James M (McGill U. ; CERN)
It was recently shown that exotic asteroid-sized objects moving at relativistic speeds in the vicinity of the Earth could be detected by their gravitational waves in the LIGO-Virgo-KAGRA experiments, thereby leading to a constraint on their local number density. Here I show that a much stronger limit can be derived from the fact that no such object has ever impacted the Earth..
2024 - 2 p. - Published in : Res. Notes AAS 8 (2024) 247 Fulltext: PDF;
2.
Tests of General Relativity with GWTC-3 / LIGO Scientific Collaboration
The ever-increasing number of detections of gravitational waves (GWs) from compact binaries by the Advanced LIGO and Advanced Virgo detectors allows us to perform ever-more sensitive tests of general relativity (GR) in the dynamical and strong-field regime of gravity. [...]
arXiv:2112.06861 ; LIGO-P2100275.
- 41 p.
Fulltext
3.
Search for Subsolar-Mass Binaries in the First Half of Advanced LIGO’s and Advanced Virgo’s Third Observing Run / LIGO Scientific Collaboration
We report on a search for compact binary coalescences where at least one binary component has a mass between 0.2 $M_\odot$ and 1.0 $M_\odot$ in Advanced LIGO and Advanced Virgo data collected between 1 April 2019 1500 UTC and 1 October 2019 1500 UTC. We extend previous analyses in two main ways: we include data from the Virgo detector and we allow for more unequal mass systems, with mass ratio $q \geq 0.1$. [...]
arXiv:2109.12197; LIGO-P2100163-v8.- 2022-08-05 - 16 p. - Published in : Phys. Rev. Lett. 129 (2022) 061104 Fulltext: PDF;
4.
First joint observation by the underground gravitational-wave detector KAGRA with GEO 600 / KAGRA Collaboration
We report the results of the first joint observation of the KAGRA detector with GEO600. KAGRA is a cryogenic and underground gravitational-wave detector consisting of a laser interferometer with three-kilometer arms, and located in Kamioka, Gifu, Japan. [...]
arXiv:2203.01270; LIGO-P2100286.- 2022-06-14 - 37 p. - Published in : PTEP 2022 (2022) 063F01 Fulltext: 2203.01270 - PDF; document - PDF;
5.
Prospective Sensitivities of Atom Interferometers to Gravitational Waves and Ultralight Dark Matter / Badurina, Leonardo (King's Coll. London) ; Buchmueller, Oliver (Imperial Coll., London) ; Ellis, John (King's Coll. London ; CERN ; NICPB, Tallinn) ; Lewicki, Marek (Warsaw U.) ; McCabe, Christopher (King's Coll. London) ; Vaskonen, Ville (Barcelona, IFAE)
We survey the prospective sensitivities of terrestrial and space-borne atom interferometers (AIs) to gravitational waves (GWs) generated by cosmological and astrophysical sources, and to ultralight dark matter. We discuss the backgrounds from gravitational gradient noise (GGN) in terrestrial detectors, and also binary pulsar and asteroid backgrounds in space-borne detectors. [...]
arXiv:2108.02468; AION-REPORT/2021-04; KCL-PH-TH/2021-61; CERN-TH-2021-116.- 2022-02-07 - 18 p. - Published in : Philos. Trans. R. Soc. Lond. A 380 (2022) 20210060 Fulltext: PDF;
6.
Implications for First-Order Cosmological Phase Transitions from the Third LIGO-Virgo Observing Run / Romero, Alba (Barcelona, IFAE) ; Martinovic, Katarina (King's Coll. London) ; Callister, Thomas A. (Flatiron Inst., New York) ; Guo, Huai-Ke (Oklahoma U.) ; Martínez, Mario (Barcelona, IFAE ; ICREA, Barcelona) ; Sakellariadou, Mairi (King's Coll. London ; CERN) ; Yang, Feng-Wei (Utah U.) ; Zhao, Yue (Utah U.)
We place constrains on the normalised energy density in gravitational waves from first-order strong phase transitions using data from Advanced LIGO and Virgo's first, second and third observing runs. First, adopting a broken power law model, we place $95 \%$ confidence level upper limits simultaneously on the gravitational-wave energy density at 25 Hz from unresolved compact binary mergers, $\Omega_{\rm cbc} < 5.9 \times 10^{-9}$, and strong first-order phase transitions, $\Omega_{\rm bpl} < 2.8 \times 10^{-9}$. [...]
arXiv:2102.01714.- 2021-04-17 - 7 p. - Published in : Phys. Rev. Lett. 126 (2021) 151301 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from publisher: PDF;

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