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Browsing by Subject "gravitational waves"

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Machine learning applications in search algorithms for gravitational waves from compact binary mergers

Schäfer, Marlin Benedikt (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2023)

Gravitational waves from compact binary mergers are now routinely observed by Earth-bound detectors. These observations enable exciting new science, as they have opened a new window to the Universe. However, extracting ...
Merging binary black holes formed through double-core evolution

Qin, Y.; Hu, R.-C.; Meynet, G.; Wang, Y.Z.; Zhu, J.-P.; Song, H.F.; Shu, X.W.; Wu, S.C. (Les Ulis : EDP Sciences, 2023)

Context. To date, various formation channels of merging events have been heavily explored with the detection of nearly 100 double black hole (BH) merger events reported by the LIGO-Virgo-KAGRA (LVK) Collaboration. In this ...
Multi-messenger observations of a binary neutron star merger

Abbott, B.P.; et al.; LIGO Scientific Collaboration; Virgo Collaboration (Bristol : Institute of Physics Publishing, 2017)

On 2017 August 17 a binary neutron star coalescence candidate (later designated GW170817) with merger time 12:41:04 UTC was observed through gravitational waves by the Advanced LIGO and Advanced Virgo detectors. The Fermi ...
Observational tests of fundamental physics from gravitational wave detections

Westerweck, Julian (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2023)

With the detection of the signal GW150914 from the collision of two black holes in 2015, observational gravitational wave physics has begun. Many more signals have since been recorded, and new detections are now becoming ...
On the Progenitor of Binary Neutron Star Merger GW170817

Abbott, B.P.; et al. (Bristol : Institute of Physics Publishing, 2017)

On 2017 August 17 the merger of two compact objects with masses consistent with two neutron stars was discovered through gravitational-wave (GW170817), gamma-ray (GRB 170817A), and optical (SSS17a/AT 2017gfo) observations. ...
Preparing for LISA pathfinder operations : characterisation of the optical metrology system

Audley, Heather E. (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2014)

[no abstract]
Probing horizon scale quantum effects with Love

Datta, Sayak (Bristol : IOP Publ., 2022)

Future gravitational wave (GW) detectors have been projected to be able to probe the nature of compact objects in great detail. In this work, we study the potential observability of the small length scale physics near black ...
Pulsar discoveries by volunteer distributed computing and the strongest continuous gravitational wave signal

Knispel, Benjamin (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2011)

[no abstract]
Recent progress on monolithic fiber amplifiers for next generation of gravitational wave detectors

Wellmann, Felix; Booker, Phillip; Hochheim, Sven; Theeg, Thomas; de Varona, Omar; Fittkau, Willy; Overmeyer, Ludger; Steinke, Michael; Weßels, Peter; Neumann, Jörg; Kracht, Dietmar (Bellingham, Wash. : SPIE, 2018)

Single-frequency fiber amplifiers in MOPA configuration operating at 1064 nm (Yb3+) and around 1550 nm (Er3+ or Er3+:Yb3+) are promising candidates to fulfill the challenging requirements of laser sources of the next ...
Results of an all-sky high-frequency Einstein@Home search for continuous gravitational waves in LIGO's fifth science run

Singh, Avneet; Papa, Maria Alessandra; Eggenstein, Heinz-Bernd; Zhu, Sylvia J.; Pletsch, H.; Allen, Bruce; Bock, Oliver; Maschenchalk, Bernd; Prix, Reinhard; Siemens, Xavier (College Park, MD : American Physical Society, 2016)

We present results of a high-frequency all-sky search for continuous gravitational waves from isolated compact objects in LIGO's fifth science run (S5) data, using the computing power of the Einstein@Home volunteer computing ...
Results of the deepest all-sky survey for continuous gravitational waves on LIGO S6 data running on the Einstein@Home volunteer distributed computing project

Abbott, B.P.; Abbott, R.; Abbott, T.D.; Abernathy, M.R.; Acernese, F.; et al.; LIGO Scientific Collaboration; Virgo Collaboration (College Park, MD : American Physical Society, 2016)

We report results of a deep all-sky search for periodic gravitational waves from isolated neutron stars in data from the S6 LIGO science run. The search was possible thanks to the computing power provided by the volunteers ...
Search for Gravitational Waves Associated with Gamma-Ray Bursts during the First Advanced LIGO Observing Run and Implications for the Origin of GRB 150906B

Abbott, B.P.; Allen, Bruce; Aufmuth, Peter; Danzmann, Karsten; Vahlbruch, H.; et al.; IPN Collaboration (Bristol : IOP Publishing Ltd., 2017)

We present the results of the search for gravitational waves (GWs) associated with γ-ray bursts detected during the first observing run of the Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO). We find ...
Search for High-energy Neutrinos from Binary Neutron Star Merger GW170817 with ANTARES, IceCube, and the Pierre Auger Observatory

Albert, A.; et al. (Bristol : Institute of Physics Publishing, 2017)

The Advanced LIGO and Advanced Virgo observatories recently discovered gravitational waves from a binary neutron star inspiral. A short gamma-ray burst (GRB) that followed the merger of this binary was also recorded by the ...
Search for intermediate mass black hole binaries with networks of ground-based gravitational-wave detectors

Mazzolo, Giulio (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2013)

[no abstract]
Statistical characterization of pulsar glitches and their potential impact on searches for continuous gravitational waves

Ashton, G.; Prix, R.; Jones, D.I. (College Park, MD : American Physical Society, 2017)

Continuous gravitational waves from neutron stars could provide an invaluable resource to learn about their interior physics. A common search method involves matched filtering a modeled template against the noisy ...
Targeted search for gravitational waves from highly spinning light compact binaries

Wang, Yi-Fan; Nitz, Alexander H. (Oxford : Oxford Univ. Press, 2024)

Searches for gravitational waves from compact binary mergers, which to date have reported ∼100 observations, have previously ignored binaries whose components are consistent with the mass of neutron stars (1-2 M⊙) and have ...
Template banks based on Zn and An∗ lattices

Allen, Bruce; Shoom, Andrey A. (Ridge, NY : American Physical Society, 2021)

Matched filtering is a traditional method used to search a data stream for signals. If the source (and hence its n parameters) are unknown, many filters must be employed. These form a grid in the n-dimensional parameter ...
Towards a gravitational wave observatory designer: sensitivity limits of spaceborne detectors

Barke, Simon; Wang, Y.; Delgado, Juan Jose Esteban; Troebs, Michael; Heinzel, Gerhard; Danzmann, Karsten (Bristol : IOP Publishing Ltd., 2015-05-07)

The most promising concept for low frequency (millihertz to hertz) gravitational wave observatories are laser interferometric detectors in space. It is usually assumed that the noise floor for such a detector is dominated ...
Upper Limits on Gravitational Waves from Scorpius X-1 from a Model-based Cross-correlation Search in Advanced LIGO Data

Abbott, B.P.; Adya, V.B.; Affeldt, Christoph; Allen, Bruce; Ashton, G.; Aufmuth, Peter; Aulbert, C.; Baune, C.; Beer, C.; Bergmann, G.; Birnholtz, O.; Bisht, A.; Bock, O.; Bode, N.; Brinkmann, M.; Cabero, M.; Capano, C.D.; Danilishin, S.L.; Danzmann, Karsten; Denker, T.; Dent, T.; Doravari, S.; Drago, M.; Eggenstein, H.-B.; Fehrmann, H.; Gabbard, H.; Goetz, E.; Grote, H.; Hanke, M.M.; Heurs, M.; Hu, Y.M.; Indik, N.; Junker, J.; Karvinen, K.S.; Kaufer, S.; Khan, S.; Kirchhoff, R.; Koch, P.; Koehlenbeck, S.M.; Krämer, C.; Kringel, V.; Krishnan, B.; Kuehn, G.; Lehmann, J.; Lough, J.D.; Lück, Harald; Lundgren, A.P.; Machenschalk, Bernd; Meadors, G.D.; Mukherjee, A.; Nery, M.; Nielsen, A.B.; Nitz, A.; Noack, A.; Ohme, F.; Oppermann, P.; Papa, M.A.; Post, A.; Prijatelj, M.; Prix, R.; Puncken, O.; Rüdiger, A.; Salemi, F.; Schmidt, J.; Schreiber, E.; Schuette, D.; Schulte, B.W.; Schutz, B.F.; Singh, A.; Steinke, M.; Steinmeyer, D.; Theeg, T.; Vahlbruch, H.; Wei, L.-W.; Weinert, M.; Wessels, P.; Westphal, T.; Wette, K.; Willke, B.; Wimmer, M.H.; Winkler, W.; Wittel, H.; Woehler, J.; Wu, D.S.; et al. (Bristol : Institute of Physics Publishing, 2017)

We present the results of a semicoherent search for continuous gravitational waves from the low-mass X-ray binary Scorpius X-1, using data from the first Advanced LIGO observing run. The search method uses details of the ...
Using gravitational waves to study neutron stars in general relativity and alternative theories of gravity

Brown, Stephanie M. (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2023)

LIGO's detection of gravitational waves emitted by a binary black hole merger in 2015 opened a new window into our universe. The era of multi-messenger astronomy began in 2017 with the detection of binary neutron star ...

Now showing items 21-40 of 40

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