Search results for "Monte Carlo: Markov chain"

showing 2 items of 2 documents

All-sky search in early O3 LIGO data for continuous gravitational-wave signals from unknown neutron stars in binary systems

2021

Rapidly spinning neutron stars are promising sources of continuous gravitational waves. Detecting such a signal would allow probing of the physical properties of matter under extreme conditions. A significant fraction of the known pulsar population belongs to binary systems. Searching for unknown neutron stars in binary systems requires specialized algorithms to address unknown orbital frequency modulations. We present a search for continuous gravitational waves emitted by neutron stars in binary systems in early data from the third observing run of the Advanced LIGO and Advanced Virgo detectors using the semicoherent, GPU-accelerated, binaryskyhough pipeline. The search analyzes the most s…

binary: orbitneutron star: binaryPhysics and Astronomy (miscellaneous)Astronomybinary [neutron star]AstrophysicsGravitational Waves; LIGO (Observatory); Neutron Stars01 natural sciencesneutron starsGeneral Relativity and Quantum CosmologyMonte Carlo: Markov chainPhysics Particles & Fieldsbinary starsbinary systemsBinary SystemsLIGOgravitational waveQCQBpulsarastro-ph.HEHigh Energy Astrophysical Phenomena (astro-ph.HE)Physicseducation.field_of_studySettore FIS/03Physicsorbit [binary]General relativityPhysical Sciences[PHYS.GRQC]Physics [physics]/General Relativity and Quantum Cosmology [gr-qc]Astrophysics - High Energy Astrophysical Phenomenabinary stardata analysis methodsensitivity [detector]General relativitygr-qcfrequency [modulation]Populationneutron star: spinFOS: Physical sciencesalternative theories of gravityMarkov chain [Monte Carlo]General Relativity and Quantum Cosmology (gr-qc)Astronomy & AstrophysicsGravitational Waves Neutron Stars Binary Systems LIGO VirgoLIGO (Observatory)emission [gravitational radiation]Pulsarbinary: coalescence0103 physical sciencesBinary starddc:530spin [neutron star]background [gravitational radiation]010306 general physicseducationSTFCOrbital elementsGravitational WavesScience & Technology010308 nuclear & particles physicsGravitational waveVirgogravitational radiation: backgroundmodulation: frequencyRCUKNeutron StarsLIGOgravitational radiation detectordetector: sensitivityNeutron starVIRGOgravitational radiation: emissionDewey Decimal Classification::500 | Naturwissenschaften::530 | Physikcoalescence [binary][PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]binary stars; neutron stars
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$\texttt{HEPfit}$: a Code for the Combination of Indirect and Direct Constraints on High Energy Physics Models

2020

The European physical journal / C Particles and fields C80(5), 456 (2020). doi:10.1140/epjc/s10052-020-7904-z

Physics and Astronomy (miscellaneous)Physics beyond the Standard ModelMonte Carlo methoddoublet: 2 [Higgs particle]Parameter space01 natural sciencesMonte Carlo: Markov chainHigh Energy Physics - ExperimentHigh Energy Physics - Experiment (hep-ex)effective field theoryHigh Energy Physics - Phenomenology (hep-ph)[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]Statistical physicsStandard model (cryptography)Physicsnew physicsHiggs particle: doublet: 2statistical analysis: BayesianObservablehep-phHigh Energy Physics - PhenomenologysymbolsParticle Physics - Experimentcorrection: obliqueBayesian probabilityFOS: Physical scienceslcsh:AstrophysicsMarkov chain [Monte Carlo]Bayesian [statistical analysis]530programmingSet (abstract data type)oblique [correction]symbols.namesake0103 physical scienceslcsh:QB460-466operator: dimension: 6ddc:530lcsh:Nuclear and particle physics. Atomic energy. Radioactivity010306 general physicsnumerical calculationsEngineering (miscellaneous)Particle Physics - Phenomenology010308 nuclear & particles physicshep-exMarkov chain Monte Carlomanual[PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph]lcsh:QC770-798dimension: 6 [operator]
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