Cumming, A., Heptonstall, A., Kumar, R., Cunningham, W., Torrie, C., Barton, M., ...
Detection of gravitational waves remains one of the most challenging problems faced by experimental physicists. One of the most significant limits to the sensitivity of current, and future,...
First LIGO search for gravitational wave bursts from cosmic (super)strings (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We report on a matched-filter search for gravitational wave bursts from cosmic string cusps using LIGO data from the fourth science run (S4) which took place in February and March 2005. No...
Searches for gravitational waves from known pulsars with S5 LIGO data (2009)
Collaboration, The LIGO Scientific, Abbott, R., Acernese, F., Adhikari, R., Ajith, P., ...
We present a search for gravitational waves from 116 known millisecond and young pulsars using data from the fifth science run of the LIGO detectors. For this search ephemerides overlapping the run...
Search for gravitational wave ringdowns from perturbed black holes in LIGO S4 data (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
According to general relativity a perturbed black hole will settle to a stationary configuration by the emission of gravitational radiation. Such a perturbation will occur, for example, in the...
Collaboration, LIGO Scientific, Abbott, R., Acernese, F., Adhikari, R., Ajith, P., ...
We present the results of a search for gravitational-wave bursts associated with 137 gamma-ray bursts (GRBs) that were detected by satellite-based gamma-ray experiments during the fifth LIGO science...
Stacked Search for Gravitational Waves from the 2006 SGR 1900+14 Storm (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We present the results of a LIGO search for short-duration gravitational waves (GWs) associated with the 2006 March 29 SGR 1900+14 storm. A new search method is used, "stacking" the GW data around...
Abbott, B. P., Abbott, R., Adhikari, R., Ajith , P., Allen, B., Allen, G., ...
We report on a search for gravitational waves from coalescing compact binaries, of total mass between 2 and 35M_☉, using LIGO observations between November 14, 2006 and May 18, 2007. No...
Einstein@Home search for periodic gravitational waves in early S5 LIGO data (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
This paper reports on an all-sky search for periodic gravitational waves from sources such as deformed isolated rapidly spinning neutron stars. The analysis uses 840 hours of data from 66 days of the...
Martin, I. W., Chalkley, E., Nawrodt, R., Armandula, H., Bassiri, R., Comtet, C., ...
Here we report the first results comparing the temperature dependence of the mechanical dissipation in thin films of Ta_2O_5 and Ta_2O_5 doped with TiO_2, of a type suitable for use in the multilayer...
Observation of a kilogram-scale oscillator near its quantum ground state (2009)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen , B., Allen, G., ...
We introduce a novel cooling technique capable of approaching the quantum ground state of a kilogram-scale system—an interferometric gravitational wave detector. The detectors of the Laser...
LIGO: the Laser Interferometer Gravitational-Wave Observatory (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P, Allen, B., Allen, G., ...
The goal of the Laser Interferometric Gravitational-Wave Observatory (LIGO) is to detect and study gravitational waves (GWs) of astrophysical origin. Direct detection of GWs holds the promise of...
All-Sky LIGO Search for Periodic Gravitational Waves in the Early Fifth-Science-Run Data (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We report on an all-sky search with the LIGO detectors for periodic gravitational waves in the frequency range 50–1100 Hz and with the frequency’s time derivative in the range -5 x 10^(-9)–0...
Einstein@Home search for periodic gravitational waves in LIGO S4 data (2009)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P, Allen, B., Allen, G., ...
A search for periodic gravitational waves, from sources such as isolated rapidly spinning neutron stars, was carried out using 510 h of data from the fourth LIGO science run (S4). The search was for...
The Einstein@Home search for periodic gravitational waves in LIGO S4 data (2009)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...
A search for periodic gravitational waves, from sources such as isolated rapidly-spinning neutron stars, was carried out using 510 hours of data from the fourth LIGO science run (S4). The search was...
All-sky LIGO search for periodic gravitational waves in the early fifth-science-run data. (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We report on an all-sky search with the LIGO detectors for periodic gravitational waves in the frequency range 50-1100 Hz and with the frequency's time derivative in the range -5 x 10{-9}-0 Hz s{-1}....
An upper limit on the stochastic gravitational-wave background of cosmological origin (2009)
Abbott, B. P., Abbott, R., Acernese, F., Adhikari, R., Ajith, P., Allen, B., ...
A stochastic background of gravitational waves is expected to arise from a superposition of a large number of unresolved gravitational-wave sources of astrophysical and cosmological origin. It should...
LIGO: the Laser Interferometer Gravitational-Wave Observatory (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
The goal of the Laser Interferometric Gravitational-Wave Observatory (LIGO) is to detect and study gravitational waves (GWs) of astrophysical origin. Direct detection of GWs holds the promise of...
Observation of a kilogram-scale oscillator near its quantum ground state (2009)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We introduce a novel cooling technique capable of approaching the quantum ground state of a kilogram-scale system-an interferometric gravitational wave detector. The detectors of the Laser...
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We have searched for gravitational waves from coalescing low mass compact binary systems with a total mass between 2M(circle dot) and 35M(circle dot) and a minimum component mass of 1M(circle dot)...
Stacked Search for Gravitational Waves from the 2006 SGR 1900+14 Storm (2009)
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We present the results of a LIGO search for short-duration gravitational waves (GWs) associated with the 2006 March 29 SGR 1900+14 storm. A new search method is used, "stacking" the GW data around...
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We have searched for gravitational waves from coalescing low mass compact binary systems with a total mass between 2M/sub o/ and 35M/sub o/ and a minimum component mass of 1M/sub o/ using data from...
The Einstein@Home search for periodic gravitational waves in early S5 LIGO data (2009)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...
This paper reports on an all-sky search for periodic gravitational waves from sources such as deformed isolated rapidly spinning neutron stars. The analysis uses 840 hours of data from 66 days of the...
Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We have searched for gravitational waves from coalescing low mass compact binary systems with a total mass between 2M_([sun]) and 35Mz-([sun]) and a minimum component mass of 1M_([sun]) using data...
Einstein@Home search for periodic gravitational waves in early S5 LIGO data (2009)
LIGO Sci Collaboration, Abbott, BP, Abbott, R, Adhikari, R, Ajith, P, Allen, B, ...
Search for Gravitational-Wave Bursts from Soft Gamma Repeaters (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
We present a LIGO search for short-duration gravitational waves (GWs) associated with soft gamma ray repeater (SGR) bursts. This is the first search sensitive to neutron star f modes, usually...
Implications for the origin of GRB 070201 from LIGO observations (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
We analyzed the available LIGO data coincident with GRB 070201, a short-duration, hard-spectrum γ-ray burst (GRB) whose electromagnetically determined sky position is coincident with the spiral arms...
Astrophysically triggered searches for gravitational waves: status and prospects (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
In gravitational-wave detection, special emphasis is put onto searches that focus on cosmic events detected by other types of astrophysical observatories. The astrophysical triggers, e.g. from γ-ray...
A joint search for gravitational wave bursts with AURIGA and LIGO (2008)
Baggio, L., Bignotto, M., Bonaldi, M., Cerdonio, M., De Rosa, M., Falferi, P., ...
The first simultaneous operation of the AURIGA detector and the LIGO observatory was an opportunity to explore real data, joint analysis methods between two very different types of gravitational wave...
Implications for the origin of GRB 070201 from LIGO observations (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We analyzed the available LIGO data coincident with GRB 070201, a short-duration, hard-spectrum gamma-ray burst (GRB) whose electromagnetically determined sky position is coincident with the spiral...
Astrophysically triggered searches for gravitational waves: status and prospects (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...
In gravitational-wave detection, special emphasis is put onto searches that focus on cosmic events detected by other types of astrophysical observatories. The astrophysical triggers, e. g. from...
A joint search for gravitational wave bursts with AURIGA and LIGO (2008)
Baggio, L., Bignotto, M., Bonaldi, M., Cerdonio, M., De Rosa, M., Falferi, P., ...
The first simultaneous operation of the AURIGA detector(63) and the LIGO observatory(64) was an opportunity to explore real data, joint analysis methods between two very different types of...
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We present the results of a search for short-duration gravitational-wave bursts associated with 39 gamma-ray bursts (GRBs) detected by gamma-ray satellite experiments during LIGO's S2, S3, and S4...
Search for gravitational waves from binary inspirals in S3 and S4 LIGO data (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We report on a search for gravitational waves from the coalescence of compact binaries during the third and fourth LIGO science runs. The search focused on gravitational waves generated during the...
All-sky search for periodic gravitational waves in LIGO S4 data (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We report on an all-sky search with the LIGO detectors for periodic gravitational waves in the frequency range 50-1000 Hz and with the frequency's time derivative in the range -1 x 10(-8) Hz s(-1) to...
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We report on the methods and results of the first dedicated search for gravitational waves emitted during the inspiral of compact binaries with spinning component bodies. We analyze 788 hours of data...
Beating the spin-down limit on gravitational wave emission from the Crab pulsar (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...
We present direct upper limits on gravitational wave emission from the Crab pulsar using data from the first 9 months of the fifth science run of the Laser Interferometer Gravitational-wave...
Beating the spin-down limit on gravitational wave emission from the Crab pulsar (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008 by Matthew Pitkin. Post-print sourced from www.arxiv.org.
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008. Post-print sourced from www.arxiv.org.
Implications for the origin of GRB 070201 from LIGO observations (2008)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008 by Szabolcs M\'arka. Post-print sourced from www.arxiv.org.
Beating the spin-down limit on gravitational wave emission from the Crab pulsar (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008 by Matthew Pitkin. Post-print sourced from www.arxiv.org.
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Submitted to Cornell University’s online archive www.arXiv.org in 2008. Post-print sourced from www.arxiv.org.
Search for Gravitational-Wave Bursts from Soft Gamma Repeaters (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...
We present a LIGO search for short-duration gravitational waves (GWs) associated with soft gamma ray repeater (SGR) bursts. This is the first search sensitive to neutron star f modes, usually...
First joint search for gravitational-wave bursts in LIGO and GEO 600 data (2008)
Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...
We present the results of the first joint search for gravitational-wave bursts by the LIGO and GEO 600 detectors. We search for bursts with characteristic central frequencies in the band 768-2048 Hz...
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
We report in the methods and results of the first dedicated search for gravitational waves emitted during the inspiral of compact binaries with spinning component bodies. We analyze 788 hours of data...
A joint search for gravitational wave bursts with AURIGA and LIGO (2008)
Baggio, L., Bignotto, M., Bonaldi, M., Cerdonio, M., De Rosa, M., Falferi, P., ...
The first simultaneous operation of the AURIGA detector(63) and the LIGO observatory(64) was an opportunity to explore real data, joint analysis methods between two very different types of...
A joint search for gravitational wave bursts with AURIGA and LIGO (2008)
Baggio, L, Bignotto, M, Bonaldi, M, Cerdonio, M, Rosa, M De, Falferi, P, ...
"The first simultaneous operation of the AURIGA detector and the LIGO observatory was an opportunity to explore real data, joint analysis methods between two very different types of gravitational...
Astrophysically triggered searches for gravitational waves: status and prospects (2008)
Abbott, B, Abbott, R, Adhikari, R, Ajith, P, Allen, B, Allen, G, ...
"In gravitational-wave detection, special emphasis is put onto searches that focus on cosmic events detected by other types of astrophysical observatories. The astrophysical triggers, e.g. from g-ray...
First joint search for gravitational-wave bursts in LIGO and GEO 600 data (2008)
Abbott, B, Abbott, R, Adhikari, R, Ajith, P, Allen, B, Allen, G, ...
"We present the results of the first joint search for gravitational-wave bursts by the LIGO and GEO 600 detectors. We search for bursts with characteristic central frequencies in the band 768-2048 Hz...
Search for gravitational-wave bursts in LIGO data from the fourth science run (2007)
Abbott, B, Abbott, R, Adhikari, R, Agresti, J, Ajith, P, Allen, B, ...
The fourth science run of the LIGO and GEO 600 gravitational-wave detectors, carried out in early 2005, collected data with significantly lower noise than previous science runs. We report on a search...
Abbott, B., Abbott, R., Adhikari, R., Boschi, V., Agresti, Juri, Ajith, P., ...
We report on a search for gravitational waves from binary black hole inspirals in the data from the second science run of the LIGO interferometers. The search focused on binary systems with component...
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
Data from the LIGO Livingston interferometer and the ALLEGRO resonant bar detector, taken during LIGO's fourth science run, were examined for cross-correlations indicative of a stochastic...
Upper limit map of a background of gravitational waves (2007)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We searched for an anisotropic background of gravitational waves using data from the LIGO S4 science run and a method that is optimized for point sources. This is appropriate if, for example, the...
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
We carry out two searches for periodic gravitational waves using the most sensitive few hours of data from the second LIGO science run. Both searches exploit fully coherent matched filtering and...
Upper limits on gravitational wave emission from 78 radio pulsars (2007)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
Search for gravitational-wave bursts in LIGO data from the fourth science run (2007)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
The fourth science run of the LIGO and GEO 600 gravitational-wave detectors, carried out in early 2005, collected data with significantly lower noise than previous science runs. We report on a search...
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
The Laser Interferometer Gravitational‐Wave Observatory (LIGO) has performed the fourth science run, S4, with significantly improved interferometer sensitivities with respect to previous runs....
The GEO 600 core optics (2007)
Winkler, Walter, Danzmann, Karsten, Grote, Hartmut, Hewitson, Martin, Hild, Stefan, Hough, J., ...
The optical layout of the interferometric gravitational wave detector GEO600 is described in detail. Criteria for the choice of the geometry of this power- and signal recycled interferometer are...
Joint LIGO and TAMA300 search for gravitational waves from inspiralling neutron star binaries (2006)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, J., Ajith, P., ...
We search for coincident gravitational wave signals from inspiralling neutron star binaries using LIGO and TAMA300 data taken during early 2003. Using a simple trigger exchange method, we perform an...
Search for gravitational-wave bursts in LIGO's third science run (2006)
Abbott, B, Abbott, R, Adhikari, R, Agresti, J, Ajith, P, Allen, B, ...
We report on a search for gravitational-wave bursts in data from the three LIGO interferometric detectors during their third science run. The search targets sub-second bursts in the frequency range...
Willke, Benno, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
The GEO 600 gravitational wave detector uses advanced technologies including signal recycling and monolithic fused-silica suspensions to achieve a sensitivity close to the kilometre scale LIGO and...
Search for gravitational waves from binary black hole inspirals in LIGO data (2006)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Ajith, P., ...
We report on a search for gravitational waves from binary black hole inspirals in the data from the second science run of the LIGO interferometers. The search focused on binary systems with component...
Joint LIGO and TAMA300 search for gravitational waves from inspiralling neutron star binaries (2006)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Ajith, P., ...
We search for coincident gravitational wave signals from inspiralling neutron star binaries using LIGO and TAMA300 data taken during early 2003. Using a simple trigger exchange method, we perform an...
Status of the GEO600 detector (2006)
Lück, Harald, Hewitson, Martin, Ajith, P., Allen, Bruce, Aufmuth, Peter, Aulbert, Carsten, ...
Of all the large interferometric gravitational-wave detectors, the German/British project GEO600 is the only one which uses dual recycling. During the four weeks of the international S4 data-taking...
Status of the LIGO detectors (2006)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Copyright © Institute of Physics and IOP Publishing Limited 2006.
Status of the LIGO detectors (2006)
Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...
Copyright © Institute of Physics and IOP Publishing Limited 2006.
Search for gravitational-wave bursts in LIGO's third science run (2006)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Allen, Bruce, Amin, R., ...
We report on a search for gravitational-wave bursts in data from the three LIGO interferometric detectors during their third science run. The search targets sub-second bursts in the frequency range...
Upper limits on gravitational wave bursts in LIGO's second science run (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, J., Allen, B., ...
We perform a search for gravitational wave bursts using data from the second science run of the LIGO detectors, using a method based on a wavelet time-frequency decomposition. This search is...
Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Ajith, P., ...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Allen, Bruce, ...
We perform a wide parameter-space search for continuous gravitational waves over the whole sky and over a large range of values of the frequency and the first spin-down parameter. Our search method...
Upper limits on gravitational wave bursts in LIGO's second science run (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, Allen, Bruce, ...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We use data from the second science run of the LIGO gravitational-wave detectors to search for the gravitational waves from primordial black hole binary coalescence with component masses in the range...
Search for gravitational waves from galactic and extra-galactic binary neutron stars (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We use 373 hours ([approximate]15 days) of data from the second science run of the LIGO gravitational-wave detectors to search for signals from binary neutron star coalescences within a maximum...
Limits on gravitational-wave emission from selected pulsars using LIGO data (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
Upper limits on a stochastic background of gravitational waves (2005)
Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...
The Laser Interferometer Gravitational-Wave Observatory has performed a third science run with much improved sensitivities of all three interferometers. We present an analysis of approximately 200...
Hydroxide-catalysis bonding for stable optical systems for space (2005)
Elliffe, E. J., Bogenstahl, Johanna, Deshpande, A., Hough, J., Killow, Christian J., Reid, S., ...
Space-based optical systems must be made from lightweight materials which can withstand significant acceleration and temperature changes. Materials such as ZERODUR®, ULE® (Ultra Low Expansion...
Grote, Hartmut, Allen, Bruce, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., ...
Since December 2003, the gravitational-wave detector GEO 600 has routinely operated in the dual recycled mode, using a lock acquisition scheme based on the detection of optical sideband power at the...
The LIGO gravitational wave obervatories: Recent results and future plans (2005)
Harry, G. M., Adhikari, R., Ballmer, S., Bayer, K., Betzwieser, J., Bochner, B., ...
Strain, K.A., Allen, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., ...
The GEO 600 laser interferometer with 600m armlength is part of a worldwide network of gravitational wave detectors. GEO 600 is unique in having advanced multiple pendulum suspensions with a...
Upper limits on the strength of periodic gravitational waves from PSR J1939+2134 (2004)
Allen, B, Woan, G, Abbott, B, Abbott, R, Adhikari, R, Allen, B, ...
The first science run of the LIGO and GEO gravitational wave detectors presented the opportunity to test methods of searching for gravitational waves from known pulsars. Here we present new direct...
Experimental measurements of coating mechanical loss factors (2004)
Crooks, D.R.M., Cagnoli, G., Fejer, M.M., Gretarsson, A.M., Harry, G., Hough, J., ...
All current gravitational wave detectors use test masses coated with alternating layers of two different dielectric materials to form highly reflective mirrors. The thermal noise from mechanical...
Willke, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B., ...
The GEO 600 laser interferometer with 600 m armlength is currently being commissioned as a part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies such as...
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
For 17 days in August and September 2002, the LIGO and GEO interferometer gravitational wave detectors were operated in coincidence to produce their first data for scientific analysis. Although the...
Upper limits on the strength of periodic gravitational waves from PSR J1939+2134 (2004)
Woan, G., Allen, Bruce, Abbott, B., Abbott, F., Adhikari, R., Amin, R., ...
The first science run of the LIGO and GEO gravitational wave detectors presented the opportunity to test methods of searching for gravitational waves from known pulsars. Here we present new direct...
Willke, Benno, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
The GEO 600 laser interferometer with 600 m armlength is currently being commissioned as a part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies such as...
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
Data collected by the GEO 600 and LIGO interferometric gravitational wave detectors during their first observational science run were searched for continuous gravitational waves from the pulsar J1939...
Analysis of first LIGO science data for stochastic gravitational waves (2004)
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We present the analysis of between 50 and 100 h of coincident interferometric strain data used to search for and establish an upper limit on a stochastic background of gravitational radiation. These...
First upper limits from LIGO on gravitational wave bursts (2004)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We report on a search for gravitational wave bursts using data from the first science run of the Laser Interferometer Gravitational Wave Observatory (LIGO) detectors. Our search focuses on bursts...
LIGO: S1 Science Results and Plans Beyond (2004)
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
Commissioning, characterization and operation of the dual-recycled GEO 600 (2004)
Smith, J. R., Allen, Bruce, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., ...
The German-British laser-interferometric gravitational-wave detector GEO 600 is currently being commissioned as part of a worldwide network of gravitational-wave detectors. GEO 600 recently became...
Strain, Kenneth A., Allen, Bruce, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., ...
The GEO 600 laser interferometer with 600m armlength is part of a worldwide network of gravitational wave detectors. GEO 600 is unique in having advanced multiple pendulum suspensions with a...
Analysis of LIGO data for gravitational waves from binary neutron stars (2004)
Abbott, B., Abbott, F., Adhikari, R., Ageev, A., Allen, Bruce, Amin, R., ...
We report on a search for gravitational waves from coalescing compact binary systems in the Milky Way and the Magellanic Clouds. The analysis uses data taken by two of the three LIGO interferometers...
Commissioning, characterization and operation of the dual- recycled GEO 600 (2004)
Smith, J.R., Allen, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., ...
The German-British laser-interferometric gravitational-wave detector GEO 600 is currently being commissioned as part of a worldwide network of gravitational-wave detectors. GEO 600 recently became...
Fejer, M.M., Rowan, S., Cagnoli, G., Crooks, D.R.M., Gretarsson, A., Harry, G.M., ...
The displacement noise in the test-mass mirrors of interferometric gravitational wave detectors is proportional to their elastic dissipation at the observation frequencies. In this paper, we analyze...
Damping and tuning of the fibre violin modes in monolithic silica suspensions (2004)
Gossler, S., Cagnoli, G., Crooks, D.R.M., Luck, H., Rowan, S., Smith, J.R., ...
High Q mirror suspensions are a key element of the advanced interferometric gravitational-wave detectors. In December 2002 the last of the final interferometer optics of GEO 600 were monolithically...
Experimental measurements of coating mechanical loss factors (2004)
Crooks, D.R.M., Cagnoli, G., Fejer, M.M., Gretarsson, A., Harry, G., Hough, J., ...
All current gravitational wave detectors use test masses coated with alternating layers of two different dielectric materials to form highly reflective mirrors. The thermal noise from mechanical...
Smith, J.R., Cagnoji, G., Crooks, D.R.M., Fejer, M.M., Gossler, S., Luck, H., ...
Internal thermal noise is expected to be a limiting noise source in the most sensitive frequency band of the GEO 600 gravitational wave detector. Because thermal noise is directly related to energy...
Analysis of LIGO data for gravitational waves from binary neutron stars (2004)
Abbott, B., Hough, J., Woan, G., Barr, B.W., Cagnoli, G., Cantley, C.A., ...
We report on a search for gravitational waves from coalescing compact binary systems in the Milky Way and the Magellanic Clouds. The analysis uses data taken by two of the three LIGO interferometers...
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Allen, B., Amin, R., ...
For 17 days in August and September 2002, the LIGO and GEO interferometer gravitational wave detectors were operated in coincidence to produce their first data for scientific analysis. Although the...
First upper limits from LIGO on gravitational wave bursts (2004)
Abbott, B., Barr, B.W., Cagnoli, G., Cantley, C.A., Casey, M.M., Crooks, D.R.M., ...
We report on a search for gravitational wave bursts using data from the first science run of the Laser Interferometer Gravitational Wave Observatory (LIGO) detectors. Our search focuses on bursts...
The GEO 600 Gravitational Wave Detector - Pulsar Prospects (2003)
Woan, G., Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
A report on the status of the GEO 600 gravitational wave detector (2003)
Hewitson, Martin, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
GEO 600 is an interferometric gravitational wave detector with 600 m arms, which will employ a novel, dual-recycled optical scheme allowing its optical response to be tuned over a range of...
Detector characterization in GEO 600 (2003)
Sintes, Alicia M., Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
The GEO 600 interferometric gravitational wave detector conducted its first science run (S1) from 23 August 2002 to 9 September 2002. The GEO 600 data acquisition system is described together with...
Status of the GEO600 gravitational wave detector (2003)
Willke, Benno, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
The GEO600 laser interferometric gravitational wave detector is approaching the end of its commissioning phase which started in 1995.During a test run in January 2002 the detector was operated for 15...
Sneddon, P.H., Bull, S., Cagnoli, G., Crooks, D.R.M., Elliffe, E.J., Faller, J.E., ...
This paper describes investigations into the mechanical losses of bonds created by hydroxy-catalysis bonding. Evaluation of the magnitude of such losses is important for determining thermal noise...
A Report on the Status of the GEO 600 Gravitational Wave Detector (2003)
Hewitson, M., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
GEO 600 is an interferometric gravitational wave detector with 600 m arms, which will employ a novel, dual-recycled optical scheme allowing its optical response to be tuned over a range of...
Mechanical loss in tantala/silica dielectric mirror coatings (2003)
Penn, S.D., Sneddon, P.H., Armandula, H., Betzwieser, J.C., Cagnoli, G., Camp, J., ...
Current interferometric gravitational wave detectors use test masses with mirror coatings formed from multiple layers of dielectric materials, most commonly alternating layers Of SiO2 (silica) and...
Detector characterization in GEO 600 (2003)
Sintes, A.M., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
The GEO 600 interferometric gravitational wave detector conducted its first science run (S1) from 23 August 2002 to 9 September 2002. The GEO 600 data acquisition system is described together with...
Status of the GEO600 gravitational wave detector (2003)
Wilke, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
The GEO600 laser interferometric gravitational wave detector is approaching the end of its commissioning phase which started in 1995.During a test run in January 2002 the detector was operated for 15...
The GEO600 gravitational wave detector: pulsar prospects (2003)
Woan, G., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
The GEO600 laser-interferometric gravitational wave detector near Hannover, Germany, is one of six such interferometers now close to operation worldwide. The UK/German GEO collaboration uses advanced...
Quadruple suspension design for Advanced LIGO (2002)
Robertson, N.A., Cagnoli, G., Crooks, D.R.M., Elliffe, E., Faller, J.E., Fritschel, P., ...
In this paper, we describe the conceptual design for the suspension system for the test masses for Advanced LIGO, the planned upgrade to LIGO, the US laser interferometric gravitational-wave...
Silica research in Glasgow (2002)
Barr, B.W., Cagnoli, G., Casey, M.M., Clubley, D., Crooks, D.R.M., Danzmann, K., ...
The Glasgow group is involved in the construction of the GEO600 interferometer as well as in R and D activity on technology for advanced gravitational wave detectors. GEO600 will be the first GW...
The GEO 600 gravitational wave detector (2002)
Willke, B., Aufmuth, P., Aulbert, C., Babak, S., Balasubramanian, R., Barr, B.W., ...
The GEO 600 laser interferometer with 600 m armlength is part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies like multiple pendulum suspensions with a...
Crooks, D.R.M., Sneddon, P., Cagnoli, G., Hough, J., Rowan, S., Fejer, M.M., ...
Interferometric gravitational wave detectors use mirrors whose substrates are formed from materials of low intrinsic mechanical dissipation. The two most likely choices for the test masses in future...
Harry, G.M., Gretarsson, A.M., Saulson, P.R., Kittelberger, S.E., Penn, S.D., Startin, W.J., ...
We report on thermal noise from the internal friction of dielectric coatings made from alternating layers of Ta/sub 2/O/sub 5/ and SiO/sub 2/ deposited on fused silica substrates. We present...
The GEO 600 Gravitational Wave Detector (2002)
Willke, Benno, Aufmuth, Peter, Aulbert, Carsten, Babak, Stanislav, Balasubramanian, R., Barr, B. W., ...
The GEO 600 laser interferometer with 600 m armlength is part of a worldwide network of gravitational wave detectors. Due to the use of advanced technologies like multiple pendulum suspensions with a...
GEO 600 - Research, Progress and Prospects (2002)
Hough, Jim, Aufmuth, Peter, Balasubramanian, R., Barr, B. W., Brozek, Oliver Sascha, Cagnoli, G., ...
Silica research in Glasgow (2002)
Barr, B. W., Cagnoli, G., Casey, Morag M., Clubley, D., Crooks, D. R. M., Danzmann, Karsten, ...
The Glasgow group is involved in the construction of the GE0600 interferometer as well as in R&D activity on technology for advanced gravitational wave detectors, GE0600 will be the first GW detector...
LIGO optics: initial and advanced (2002)
Camp, J.B., Billingsley, G., Kells, W., Lazzarini, A., Sanders, G., Whitcomb, S., ...
The LIGO project has completed the installation of large fused silica optical components in the vacuum systems of its observatories. Commissioning work on the Hanford 2 km interferometer has...
Interferometry developments for LISA and SMART-2 (2002)
Jennrich, O., McNamara, P., Robertson, D., Rowan, S., Ward, H., Hough, J.
A breadboard optical bench for SMART-2 has been designed and set up using preliminary optics and mounting techniques. A feature of the design is its relative insensitivity to laser frequency noise,...
Damping dilution factor for a pendulum in an interferometric gravitational waves detector (2000)
Cagnoli, G., Hough, J., DeBra, D., Fejer, M.M., Gustafson, E., Rowan, S., ...
Mechanical loss in pendulums is a subject of great importance to gravitational waves detectors being built and being planned, as this determines the level of thermal noise associated with the...
Gretarsson, A.M., Harry, G.M., Penn, S.D., Saulson, P.R., Startin, W.J., Rowan, S., ...
The use of fused-silica ribbons as suspensions in gravitational wave interferometers can result in significant improvements in pendulum mode thermal noise. Surface loss sets a lower bound to the...
Rowan, S., Cagnoli, G., Sneddon, P., Hough, J., Route, R., Gustafson, E.K., ...
This Letter describes the results of investigations into the mechanical losses of a selection of crystalline materials with the potential for use as the test masses in advanced gravitational wave...
The GEO 600 gravitational wave detector (2000)
Willke, Benno, Aufmuth, Peter, Balasubramanian, R., Brozek, Oliver Sascha, Cagnoli, G., Casey, Morag M., ...
Schutz, Bernard F., Lück, Harald, Aufmuth, Peter, Brozek, Oliver Sascha, Danzmann, Karsten, Freise, Andreas, ...
GEO600, the German/British gravitational wave detector currently being built in northern Germany, used advanced optical technologies to obtain a sensitivity comparable with the other, bigger...
Cagnoli, G., Gammaitoni, L., Hough, J., Kovalik, J., McIntosh, S., Punturo, M., ...
The results of a very high Q factor measurements for a 2.8 kg fused silica mass suspended by two fused quartz fibers attached by a novel technique for joining fused silica or quartz are presented....
Toward gravitational wave detection (2000)
Finn, L.S., Gonzalez, G., Hough, J., Huq, M.F., Mohanty, S., Romano, J., ...
An overview of some tools and techniques being developed for data conditioning (regression of instrumental and environmental artifacts from the data channel), detector design evaluation (modeling the...
Luck, H., Aufmuth, P., Brozek, O.S., Danzmann, K., Freise, A., Gossler, S., ...
GEO600, the German/British gravitational wave detector currently being built in northern Germany, used advanced optical technologies to obtain a sensitivity comparable with the other, bigger...
Suspension design for GEO 600-an update (2000)
Robertson, N.A., Cagnoli, G., Hough, J., Husman, M.E., McIntosh, S., Palmer, D., ...
The GEO 600 gravitational wave detector is currently under construction at Ruthe, near Hannover in Germany. The design of the suspension system for the main mirrors in the detector has been chosen...
Gravitational radiation detectors on earth and in space (2000)
Gravitational waves, one of the more exotic predictions of Einstein's general theory of relativity, may, after 80 yr of controversy over their existence, be detected within the next decade....
Rowan, S., Alexandrovski, A., Cagnoli, G., Fejer, M.M., Gustafson, E.K., Hough, J., ...
The thermal noise of the fused silica test masses and their metal suspension fibers presents a significant limitation to the sensitivity of interferometric gravitational wave detectors. Advanced...
Bi-filar pendulum mode Q factor for silicate bonded pendulum (2000)
Tokmakov, K., Mitrofanov, V., Braginsky, V., Rowan, S., Hough, J.
An all fused silica pendulum with record Q factor fabricated using the technique of hydroxide-catalysis bonding is described. Possible sources of loss which limited the measured Q are discussed.
Di Leo, A., Crown, J., Duffy, K., Bartholomeus, S., Dolci, S., ...
Background and purpose: Docetaxel is an active agent in the treatment of metastatic breast cancer. We evaluated the feasibility of docetaxel-based sequential and combination regimens as adjuvant...
Laser interferometric gravitational wave detectors spanning 7 decades of frequency (1999)
Strain, Kenneth A., Casey, Morag M., Hough, J., McNamara, P. W., Newton, G., Plissi, M. V., ...
GEO 600: Current Status and Some Aspects of the Design (1997)
Hough, J., Newton, G. P., Robertson, N. A., Ward, H., Plissi, M., Robertson, D., ...
The GEO-project a long-baseline laser interferometer for the detection of gravitational waves (1992)
Danzmann, Karsten, Chen, J. M., Nelson, P. G., Niebauer, T. M., Rüdiger, Albrecht, Schilling, Roland, ...
The optics of an interferometric gravitational-wave antenna (1992)
Winkler, Walter, Chen, J. M., Danzmann, Karsten, Nelson, P. G., Niebauer, T. M., Rüdiger, Albrecht, ...
The basic concept of an interferometric gravitational wave detector, the realization of the long light path with optical delay lines or with Fabry-Perot cavities, and the need for high light power...
Survival from cancer in teenagers and young adults in England, 1979–2003
Birch, J M, Pang, D, Alston, R D, Rowan, S, Geraci, M, Moran, A, ...
Cancer is the leading cause of disease-related death in teenagers and young adults aged 13–24 years (TYAs) in England. We have analysed national 5-year relative survival among more than 30 000...
Alston, R D, Rowan, S, Eden, T O B, Moran, A, Birch, J M
Data on 35 291 individuals with cancer, aged 13–24 years, in England from 1979 to 2001 were analysed by region and socio-economic deprivation of census ward of residence, as measured by the...