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Träfflista för sökning "WFRF:(Leong E) "

Search: WFRF:(Leong E)

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1.
  • 2021
  • swepub:Mat__t
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2.
  • 2017
  • swepub:Mat__t
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3.
  • Thomas, HS, et al. (author)
  • 2019
  • swepub:Mat__t
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4.
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5.
  • 2017
  • In: Physical Review D. - 2470-0010 .- 2470-0029. ; 96:2
  • Journal article (peer-reviewed)
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6.
  • Adrian-Martinez, S., et al. (author)
  • A first search for coincident gravitational waves and high energy neutrinos using LIGO, Virgo and ANTARES data from 2007
  • 2013
  • In: Journal of Cosmology and Astroparticle Physics. - : IOP Publishing. - 1475-7516. ; :6
  • Journal article (peer-reviewed)abstract
    • We present the results of the first search for gravitational wave bursts associated with high energy neutrinos. Together, these messengers could reveal new, hidden sources that are not observed by conventional photon astronomy, particularly at high energy. Our search uses neutrinos detected by the underwater neutrino telescope ANTARES in its 5 line configuration during the period January - September 2007, which coincided with the fifth and first science runs of LIGO and Virgo, respectively. The LIGO-Virgo data were analysed for candidate gravitational-wave signals coincident in time and direction with the neutrino events. No significant coincident events were observed. We place limits on the density of joint high energy neutrino - gravitational wave emission events in the local universe, and compare them with densities of merger and core-collapse events.
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7.
  • Aasi, J., et al. (author)
  • The characterization of Virgo data and its impact on gravitational-wave searches
  • 2012
  • In: Classical and Quantum Gravity. - : IOP Publishing. - 1361-6382 .- 0264-9381. ; 29:15
  • Journal article (peer-reviewed)abstract
    • Between 2007 and 2010 Virgo collected data in coincidence with the LIGO and GEO gravitational-wave (GW) detectors. These data have been searched for GWs emitted by cataclysmic phenomena in the universe, by non-axisymmetric rotating neutron stars or from a stochastic background in the frequency band of the detectors. The sensitivity of GW searches is limited by noise produced by the detector or its environment. It is therefore crucial to characterize the various noise sources in a GW detector. This paper reviews the Virgo detector noise sources, noise propagation, and conversion mechanisms which were identified in the three first Virgo observing runs. In many cases, these investigations allowed us to mitigate noise sources in the detector, or to selectively flag noise events and discard them from the data. We present examples from the joint LIGO-GEO-Virgo GW searches to show how well noise transients and narrow spectral lines have been identified and excluded from the Virgo data. We also discuss how detector characterization can improve the astrophysical reach of GW searches.
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8.
  • Abadie, J., et al. (author)
  • All-sky search for gravitational-wave bursts in the second joint LIGO-Virgo run
  • 2012
  • In: Physical Review D (Particles, Fields, Gravitation and Cosmology). - 1550-2368. ; 85:12
  • Journal article (peer-reviewed)abstract
    • We present results from a search for gravitational-wave bursts in the data collected by the LIGO and Virgo detectors between July 7, 2009 and October 20, 2010: data are analyzed when at least two of the three LIGO-Virgo detectors are in coincident operation, with a total observation time of 207 days. The analysis searches for transients of duration less than or similar to 1 s over the frequency band 64-5000 Hz, without other assumptions on the signal waveform, polarization, direction or occurrence time. All identified events are consistent with the expected accidental background. We set frequentist upper limits on the rate of gravitational-wave bursts by combining this search with the previous LIGO-Virgo search on the data collected between November 2005 and October 2007. The upper limit on the rate of strong gravitational-wave bursts at the Earth is 1.3 events per year at 90% confidence. We also present upper limits on source rate density per year and Mpc(3) for sample populations of standard-candle sources. As in the previous joint run, typical sensitivities of the search in terms of the root-sum-squared strain amplitude for these waveforms lie in the range similar to 5 x 10(-22) Hz(-1/2) to similar to 1 x 10(-20) Hz(-1/2). The combination of the two joint runs entails the most sensitive all-sky search for generic gravitational-wave bursts and synthesizes the results achieved by the initial generation of interferometric detectors.
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9.
  • Abadie, J., et al. (author)
  • Search for Gravitational Waves Associated with Gamma-Ray Bursts during LIGO Science Run 6 and Virgo Science Runs 2 and 3
  • 2012
  • In: Astrophysical Journal. - 0004-637X. ; 760:1
  • Journal article (peer-reviewed)abstract
    • We present the results of a search for gravitational waves associated with 154 gamma-ray bursts (GRBs) that were detected by satellite-based gamma-ray experiments in 2009-2010, during the sixth LIGO science run and the second and third Virgo science runs. We perform two distinct searches: a modeled search for coalescences of either two neutron stars or a neutron star and black hole, and a search for generic, unmodeled gravitational-wave bursts. We find no evidence for gravitational-wave counterparts, either with any individual GRB in this sample or with the population as a whole. For all GRBs we place lower bounds on the distance to the progenitor, under the optimistic assumption of a gravitational-wave emission energy of 10(-2) M-circle dot c(2) at 150 Hz, with a median limit of 17 Mpc. For short-hard GRBs we place exclusion distances on binary neutron star and neutron-star-black-hole progenitors, using astrophysically motivated priors on the source parameters, with median values of 16 Mpc and 28 Mpc, respectively. These distance limits, while significantly larger than for a search that is not aided by GRB satellite observations, are not large enough to expect a coincidence with a GRB. However, projecting these exclusions to the sensitivities of Advanced LIGO and Virgo, which should begin operation in 2015, we find that the detection of gravitational waves associated with GRBs will become quite possible.
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10.
  • Tran, K. B., et al. (author)
  • The global burden of cancer attributable to risk factors, 2010-19: a systematic analysis for the Global Burden of Disease Study 2019
  • 2022
  • In: Lancet. - 0140-6736. ; 400:10352, s. 563-591
  • Journal article (peer-reviewed)abstract
    • Background Understanding the magnitude of cancer burden attributable to potentially modifiable risk factors is crucial for development of effective prevention and mitigation strategies. We analysed results from the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2019 to inform cancer control planning efforts globally. Methods The GBD 2019 comparative risk assessment framework was used to estimate cancer burden attributable to behavioural, environmental and occupational, and metabolic risk factors. A total of 82 risk-outcome pairs were included on the basis of the World Cancer Research Fund criteria. Estimated cancer deaths and disability-adjusted life-years (DALYs) in 2019 and change in these measures between 2010 and 2019 are presented. Findings Globally, in 2019, the risk factors included in this analysis accounted for 4.45 million (95% uncertainty interval 4.01-4.94) deaths and 105 million (95.0-116) DALYs for both sexes combined, representing 44.4% (41.3-48.4) of all cancer deaths and 42.0% (39.1-45.6) of all DALYs. There were 2.88 million (2.60-3.18) risk-attributable cancer deaths in males (50.6% [47.8-54.1] of all male cancer deaths) and 1.58 million (1.36-1.84) risk-attributable cancer deaths in females (36.3% [32.5-41.3] of all female cancer deaths). The leading risk factors at the most detailed level globally for risk-attributable cancer deaths and DALYs in 2019 for both sexes combined were smoking, followed by alcohol use and high BMI. Risk-attributable cancer burden varied by world region and Socio-demographic Index (SDI), with smoking, unsafe sex, and alcohol use being the three leading risk factors for risk-attributable cancer DALYs in low SDI locations in 2019, whereas DALYs in high SDI locations mirrored the top three global risk factor rankings. From 2010 to 2019, global risk-attributable cancer deaths increased by 20.4% (12.6-28.4) and DALYs by 16.8% (8.8-25.0), with the greatest percentage increase in metabolic risks (34.7% [27.9-42.8] and 33.3% [25.8-42.0]). Interpretation The leading risk factors contributing to global cancer burden in 2019 were behavioural, whereas metabolic risk factors saw the largest increases between 2010 and 2019. Reducing exposure to these modifiable risk factors would decrease cancer mortality and DALY rates worldwide, and policies should be tailored appropriately to local cancer risk factor burden. Copyright (C) 2022 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license.
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  • Result 1-10 of 94
Type of publication
journal article (74)
conference paper (13)
research review (3)
book chapter (1)
Type of content
peer-reviewed (88)
other academic/artistic (3)
Author/Editor
Chen, Y. (17)
Kim, H. (17)
Li, J. (17)
Gupta, R. (17)
Thomas, P. (16)
Barker, D. (16)
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Brau, J. E. (15)
Oh, S. H. (15)
Yang, H. (15)
Zhang, L. (15)
Ivanov, A. (15)
Klimenko, S. (15)
McCarthy, R. (15)
Smith, J. R. (15)
Mitselmakher, G. (15)
Colla, A. (15)
Brinkmann, M. (15)
Brisson, V. (15)
Miller, J. (15)
Yoshida, S. (15)
Bartos, I. (15)
Marka, S. (15)
Marka, Z. (15)
Abbott, B. P. (15)
Abbott, R. (15)
Abbott, T. D. (15)
Adams, C. (15)
Affeldt, C. (15)
Ajith, P. (15)
Anderson, S. B. (15)
Anderson, W. G. (15)
Arai, K. (15)
Araya, M. C. (15)
Aston, S. M. (15)
Astone, P. (15)
Aufmuth, P. (15)
Aulbert, C. (15)
Babak, S. (15)
Ballardin, G. (15)
Barr, B. (15)
Barsotti, L. (15)
Bassiri, R. (15)
Bell, A. S. (15)
Bertolini, A. (15)
Betzwieser, J. (15)
Bilenko, I. A. (15)
Billingsley, G. (15)
Birch, J. (15)
Bitossi, M. (15)
Bizouard, M. A. (15)
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University
Uppsala University (33)
Karolinska Institutet (31)
Lund University (27)
University of Gothenburg (11)
Umeå University (8)
Linköping University (5)
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Stockholm University (4)
Royal Institute of Technology (2)
Swedish University of Agricultural Sciences (2)
Karlstad University (1)
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Language
English (94)
Research subject (UKÄ/SCB)
Natural sciences (33)
Medical and Health Sciences (26)
Engineering and Technology (11)
Agricultural Sciences (1)

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