Related papers: Upgraded VIRGO detector(s) and stochastic gravitat…

Response of VIRGO detectors to pre-big-bang gravitons

The sensitivity achievable by a pair of VIRGO detectors to stochastic and isotropic gravitational wave backgrounds produced in pre-big-bang models is discussed in view of the development of a second VIRGO interferometer. We describe a…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Danilo Babusci , Massimo Giovannini

Maximal overlap and sensitivity of a VIRGO pair to graviton backgrounds

The sensitivity of a pair of VIRGO interferometers to gravitational waves backgrounds of cosmological origin is analyzed for the cases of maximal and minimal overlap of the two detectors. The improvements in the detectability prospects of…

Astrophysics · Physics 2007-05-23 D. Babusci , M. Giovannini

Sensitivity of a VIRGO pair to stochastic GW backgrounds

The sensitivity of a pair of VIRGO interferometers to gravitational waves backgrounds (GW) of cosmological origin is analyzed for the cases of maximal and minimal overlap of the two detectors. The improvements in the detectability prospects…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Danilo Babusci , Massimo Giovannini

Prospects for Stochastic Background Searches Using Virgo and LSC Interferometers

We consider the question of cross-correlation measurements using Virgo and the LSC Interferometers (LIGO Livingston, LIGO Hanford, and GEO600) to search for a stochastic gravitational-wave background. We find that inclusion of Virgo into…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Giancarlo Cella , Carlo Nicola Colacino , Elena Cuoco , Angela Di Virgilio , Tania Regimbau , Emma L Robinson , John T Whelan

Detecting a stochastic background of gravitational radiation: Signal processing strategies and sensitivities

We analyze the signal processing required for the optimal detection of a stochastic background of gravitational radiation using laser interferometric detectors. Starting with basic assumptions about the statistical properties of a…

General Relativity and Quantum Cosmology · Physics 2009-12-30 Bruce Allen , Joseph D. Romano

The optimal approach of detecting stochastic gravitational wave from string cosmology using multiple detectors

String cosmology models predict a relic background of gravitational wave produced during the dilaton-driven inflation. It's spectrum is most likely to be detected by ground gravitational wave laser interferometers (IFOs), like LIGO, Virgo,…

Astrophysics · Physics 2009-06-23 Xi-Long Fan , Zong-Hong Zhu

Detection, Measurement and Gravitational Radiation

Here I examine how to determine the sensitivity of the LIGO, VIRGO, and LAGOS gravitational wave detectors to sources of gravitational radiation by considering the process by which data are analyzed in a noisy detector. By constructing the…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Lee Samuel Finn

The characterization of Virgo data and its impact on gravitational-wave searches

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…

General Relativity and Quantum Cosmology · Physics 2015-06-04 J. Aasi , J. Abadie , B. P. Abbott , R. Abbott , T. D. Abbott , M. Abernathy , T. Accadia , F. Acernese , C. Adams , T. Adams , P. Addesso , R. Adhikari , C. Affeldt , M. Agathos , K. Agatsuma , P. Ajith , B. Allen , A. Allocca , E. Amador Ceron , D. Amariutei , S. B. Anderson , W. G. Anderson , K. Arai , M. C. Araya , S. Ast , S. M. Aston , P. Astone , D. Atkinson , P. Aufmuth , C. Aulbert , B. E. Aylott , S. Babak , P. Baker , G. Ballardin , T. Ballinger , S. Ballmer , Y. Bao , J. C. B. Barayoga , D. Barker , F. Barone , B. Barr , L. Barsotti , M. Barsuglia , M. A. Barton , I. Bartos , R. Bassiri , M. Bastarrika , A. Basti , J. Batch , J. Bauchrowitz , Th. S. Bauer , M. Bebronne , D. Beck , B. Behnke , M. Bejger , M. G. Beker , A. S. Bell , C. Bell , I. Belopolski , M. Benacquista , J. M. Berliner , A. Bertolini , J. Betzwieser , N. Beveridge , P. T. Beyersdorf , T. Bhadbade , I. A. Bilenko , G. Billingsley , J. Birch , R. Biswas , M. Bitossi , M. A. Bizouard , E. Black , J. K. Blackburn , L. Blackburn , D. Blair , B. Bland , M. Blom , O. Bock , T. P. Bodiya , C. Bogan , C. Bond , R. Bondarescu , F. Bondu , L. Bonelli , R. Bonnand , R. Bork , M. Born , V. Boschi , S. Bose , L. Bosi , B. Bouhou , S. Braccini , C. Bradaschia , P. R. Brady , V. B. Braginsky , M. Branchesi , J. E. Brau , J. Breyer , T. Briant , D. O. Bridges , A. Brillet , M. Brinkmann , V. Brisson , M. Britzger , A. F. Brooks , D. A. Brown , T. Bulik , H. J. Bulten , A. Buonanno , J. Burguet--Castell , D. Buskulic , C. Buy , R. L. Byer , L. Cadonati , G. Cagnoli , G. Cagnoli , E. Calloni , J. B. Camp , P. Campsie , K. Cannon , B. Canuel , J. Cao , C. D. Capano , F. Carbognani , L. Carbone , S. Caride , S. Caudill , M. Cavaglià , F. Cavalier , R. Cavalieri , G. Cella , C. Cepeda , E. Cesarini , T. Chalermsongsak , P. Charlton , E. Chassande-Mottin , W. Chen , X. Chen , Y. Chen , A. Chincarini , A. Chiummo , H. S. Cho , J. Chow , N. Christensen , S. S. Y. Chua , C. T. Y. Chung , S. Chung , G. Ciani , F. Clara , D. E. Clark , J. A. Clark , J. H. Clayton , F. Cleva , E. Coccia , P. -F. Cohadon , C. N. Colacino , A. Colla , M. Colombini , A. Conte , R. Conte , D. Cook , T. R. Corbitt , M. Cordier , N. Cornish , A. Corsi , C. A. Costa , M. Coughlin , J. -P. Coulon , P. Couvares , D. M. Coward , M. Cowart , D. C. Coyne , J. D. E. Creighton , T. D. Creighton , A. M. Cruise , A. Cumming , L. Cunningham , E. Cuoco , R. M. Cutler , K. Dahl , M. Damjanic , S. L. Danilishin , S. D'Antonio , K. Danzmann , V. Dattilo , B. Daudert , H. Daveloza , M. Davier , E. J. Daw , R. Day , T. Dayanga , R. De Rosa , D. DeBra , G. Debreczeni , J. Degallaix , W. Del Pozzo , T. Dent , V. Dergachev , R. DeRosa , S. Dhurandhar , L. Di Fiore , A. Di Lieto , I. Di Palma , M. Di Paolo Emilio , A. Di Virgilio , M. Díaz , A. Dietz , A. Dietz , F. Donovan , K. L. Dooley , S. Doravari , S. Dorsher , M. Drago , R. W. P. Drever , J. C. Driggers , Z. Du , J. -C. Dumas , S. Dwyer , T. Eberle , M. Edgar , M. Edwards , A. Effler , P. Ehrens , G. Endrőczi , R. Engel , T. Etzel , K. Evans , M. Evans , T. Evans , M. Factourovich , V. Fafone , S. Fairhurst , B. F. Farr , M. Favata , D. Fazi , H. Fehrmann , D. Feldbaum , I. Ferrante , F. Ferrini , F. Fidecaro , L. S. Finn , I. Fiori , R. P. Fisher , R. Flaminio , S. Foley , E. Forsi , N. Fotopoulos , J. -D. Fournier , J. Franc , S. Franco , S. Frasca , F. Frasconi , M. Frede , M. A. Frei , Z. Frei , A. Freise , R. Frey , T. T. Fricke , D. Friedrich , P. Fritschel , V. V. Frolov , M. -K. Fujimoto , P. J. Fulda , M. Fyffe , J. Gair , M. Galimberti , L. Gammaitoni , J. Garcia , F. Garufi , M. E. Gáspár , G. Gelencser , G. Gemme , E. Genin , A. Gennai , L. Á. Gergely , S. Ghosh , J. A. Giaime , S. Giampanis , K. D. Giardina , A. Giazotto , S. Gil-Casanova , C. Gill , J. Gleason , E. Goetz , G. González , M. L. Gorodetsky , S. Goßler , R. Gouaty , C. Graef , P. B. Graff , M. Granata , A. Grant , C. Gray , R. J. S. Greenhalgh , A. M. Gretarsson , C. Griffo , H. Grote , K. Grover , S. Grunewald , G. M. Guidi , C. Guido , R. Gupta , E. K. Gustafson , R. Gustafson , J. M. Hallam , D. Hammer , G. Hammond , J. Hanks , C. Hanna , J. Hanson , A. Hardt , J. Harms , G. M. Harry , I. W. Harry , E. D. Harstad , M. T. Hartman , K. Haughian , K. Hayama , J. -F. Hayau , J. Heefner , A. Heidmann , M. C. Heintze , H. Heitmann , P. Hello , M. A. Hendry , I. S. Heng , A. W. Heptonstall , V. Herrera , M. Heurs , M. Hewitson , S. Hild , D. Hoak , K. A. Hodge , K. Holt , M. Holtrop , T. Hong , S. Hooper , J. Hough , E. J. Howell , B. Hughey , S. Husa , S. H. Huttner , T. Huynh-Dinh , D. R. Ingram , R. Inta , T. Isogai , A. Ivanov , K. Izumi , M. Jacobson , E. James , Y. J. Jang , P. Jaranowski , E. Jesse , W. W. Johnson , D. I. Jones , R. Jones , R. J. G. Jonker , L. Ju , P. Kalmus , V. Kalogera , S. Kandhasamy , G. Kang , J. B. Kanner , M. Kasprzack , R. Kasturi , E. Katsavounidis , W. Katzman , H. Kaufer , K. Kaufman , K. Kawabe , S. Kawamura , F. Kawazoe , D. Keitel , D. Kelley , W. Kells , D. G. Keppel , Z. Keresztes , A. Khalaidovski , F. Y. Khalili , E. A. Khazanov , B. K. Kim , C. Kim , H. Kim , K. Kim , N. Kim , Y. M. Kim , P. J. King , D. L. Kinzel , J. S. Kissel , S. Klimenko , J. Kline , K. Kokeyama , V. Kondrashov , S. Koranda , W. Z. Korth , I. Kowalska , D. Kozak , V. Kringel , B. Krishnan , A. Królak , G. Kuehn , P. Kumar , R. Kumar , R. Kurdyumov , P. Kwee , P. K. Lam , M. Landry , A. Langley , B. Lantz , N. Lastzka , C. Lawrie , A. Lazzarini , A. Le Roux , P. Leaci , C. H. Lee , H. K. Lee , H. M. Lee , J. R. Leong , I. Leonor , N. Leroy , N. Letendre , V. Lhuillier , J. Li , T. G. F. Li , P. E. Lindquist , V. Litvine , Y. Liu , Z. Liu , N. A. Lockerbie , D. Lodhia , J. Logue , M. Lorenzini , V. Loriette , M. Lormand , G. Losurdo , J. Lough , M. Lubinski , H. Lück , A. P. Lundgren , J. Macarthur , E. Macdonald , B. Machenschalk , M. MacInnis , D. M. Macleod , M. Mageswaran , K. Mailand , E. Majorana , I. Maksimovic , V. Malvezzi , N. Man , I. Mandel , V. Mandic , M. Mantovani , F. Marchesoni , F. Marion , S. Márka , Z. Márka , A. Markosyan , E. Maros , J. Marque , F. Martelli , I. W. Martin , R. M. Martin , J. N. Marx , K. Mason , A. Masserot , F. Matichard , L. Matone , R. A. Matzner , N. Mavalvala , G. Mazzolo , R. McCarthy , D. E. McClelland , S. C. McGuire , G. McIntyre , J. McIver , G. D. Meadors , M. Mehmet , T. Meier , A. Melatos , A. C. Melissinos , G. Mendell , D. F. Menéndez , R. A. Mercer , S. Meshkov , C. Messenger , M. S. Meyer , H. Miao , C. Michel , L. Milano , J. Miller , Y. Minenkov , C. M. F. Mingarelli , V. P. Mitrofanov , G. Mitselmakher , R. Mittleman , B. Moe , M. Mohan , S. R. P. Mohapatra , D. Moraru , G. Moreno , N. Morgado , A. Morgia , T. Mori , S. R. Morriss , S. Mosca , K. Mossavi , B. Mours , C. M. Mow-Lowry , C. L. Mueller , G. Mueller , S. Mukherjee , A. Mullavey , H. Müller-Ebhardt , J. Munch , D. Murphy , P. G. Murray , A. Mytidis , T. Nash , L. Naticchioni , V. Necula , J. Nelson , I. Neri , G. Newton , T. Nguyen , A. Nishizawa , A. Nitz , F. Nocera , D. Nolting , M. E. Normandin , L. Nuttall , E. Ochsner , J. O'Dell , E. Oelker , G. H. Ogin , J. J. Oh , S. H. Oh , R. G. Oldenberg , B. O'Reilly , R. O'Shaughnessy , C. Osthelder , C. D. Ott , D. J. Ottaway , R. S. Ottens , H. Overmier , B. J. Owen , A. Page , L. Palladino , C. Palomba , Y. Pan , F. Paoletti , R. Paoletti , M. A. Papa , M. Parisi , A. Pasqualetti , R. Passaquieti , D. Passuello , M. Pedraza , S. Penn , A. Perreca , G. Persichetti , M. Phelps , M. Pichot , M. Pickenpack , F. Piergiovanni , V. Pierro , M. Pihlaja , L. Pinard , I. M. Pinto , M. Pitkin , H. J. Pletsch , M. V. Plissi , R. Poggiani , J. Pöld , F. Postiglione , C. Poux , M. Prato , V. Predoi , T. Prestegard , L. R. Price , M. Prijatelj , M. Principe , S. Privitera , R. Prix , G. A. Prodi , L. G. Prokhorov , O. Puncken , M. Punturo , P. Puppo , V. Quetschke , R. Quitzow-James , F. J. Raab , D. S. Rabeling , I. Rácz , H. Radkins , P. Raffai , M. Rakhmanov , C. Ramet , B. Rankins , P. Rapagnani , V. Raymond , V. Re , C. M. Reed , T. Reed , T. Regimbau , S. Reid , D. H. Reitze , F. Ricci , R. Riesen , K. Riles , M. Roberts , N. A. Robertson , F. Robinet , C. Robinson , E. L. Robinson , A. Rocchi , S. Roddy , C. Rodriguez , M. Rodruck , L. Rolland , J. G. Rollins , J. D. Romano , R. Romano , J. H. Romie , D. Rosińska , C. Röver , S. Rowan , A. Rüdiger , P. Ruggi , K. Ryan , F. Salemi , L. Sammut , V. Sandberg , S. Sankar , V. Sannibale , L. Santamaría , I. Santiago-Prieto , G. Santostasi , E. Saracco , B. S. Sathyaprakash , P. R. Saulson , R. L. Savage , R. Schilling , R. Schnabel , R. M. S. Schofield , B. Schulz , B. F. Schutz , P. Schwinberg , J. Scott , S. M. Scott , F. Seifert , D. Sellers , D. Sentenac , A. Sergeev , D. A. Shaddock , M. Shaltev , B. Shapiro , P. Shawhan , D. H. Shoemaker , T. L Sidery , X. Siemens , D. Sigg , D. Simakov , A. Singer , L. Singer , A. M. Sintes , G. R. Skelton , B. J. J. Slagmolen , J. Slutsky , J. R. Smith , M. R. Smith , R. J. E. Smith , N. D. Smith-Lefebvre , K. Somiya , B. Sorazu , F. C. Speirits , L. Sperandio , M. Stefszky , E. Steinert , J. Steinlechner , S. Steinlechner , S. Steplewski , A. Stochino , R. Stone , K. A. Strain , S. E. Strigin , A. S. Stroeer , R. Sturani , A. L. Stuver , T. Z. Summerscales , M. Sung , S. Susmithan , P. J. Sutton , B. Swinkels , G. Szeifert , M. Tacca , L. Taffarello , D. Talukder , D. B. Tanner , S. P. Tarabrin , R. Taylor , A. P. M. ter Braack , P. Thomas , K. A. Thorne , K. S. Thorne , E. Thrane , A. Thüring , C. Titsler , K. V. Tokmakov , C. Tomlinson , A. Toncelli , M. Tonelli , O. Torre , C. V. Torres , C. I. Torrie , E. Tournefier , F. Travasso , G. Traylor , M. Tse , E. Tucker , D. Ugolini , H. Vahlbruch , G. Vajente , J. F. J. van den Brand , C. Van Den Broeck , S. van der Putten , A. A. van Veggel , S. Vass , M. Vasuth , R. Vaulin , M. Vavoulidis , A. Vecchio , G. Vedovato , J. Veitch , P. J. Veitch , K. Venkateswara , D. Verkindt , F. Vetrano , A. Viceré , A. E. Villar , J. -Y. Vinet , S. Vitale , H. Vocca , C. Vorvick , S. P. Vyatchanin , A. Wade , L. Wade , M. Wade , S. J. Waldman , L. Wallace , Y. Wan , M. Wang , X. Wang , A. Wanner , R. L. Ward , M. Was , M. Weinert , A. J. Weinstein , R. Weiss , T. Welborn , L. Wen , P. Wessels , M. West , T. Westphal , K. Wette , J. T. Whelan , S. E. Whitcomb , D. J. White , B. F. Whiting , K. Wiesner , C. Wilkinson , P. A. Willems , L. Williams , R. Williams , B. Willke , M. Wimmer , L. Winkelmann , W. Winkler , C. C. Wipf , A. G. Wiseman , H. Wittel , G. Woan , R. Wooley , J. Worden , J. Yablon , I. Yakushin , H. Yamamoto , K. Yamamoto , C. C. Yancey , H. Yang , D. Yeaton-Massey , S. Yoshida , M. Yvert , A. Zadrożny , M. Zanolin , J. -P. Zendri , F. Zhang , L. Zhang , C. Zhao , N. Zotov , M. E. Zucker , J. Zweizig

Optimal combination of signals from co-located gravitational wave interferometers for use in searches for a stochastic background

This article derives an optimal (i.e., unbiased, minimum variance) estimator for the pseudo-detector strain for a pair of co-located gravitational wave interferometers (such as the pair of LIGO interferometers at its Hanford Observatory),…

General Relativity and Quantum Cosmology · Physics 2008-11-26 A. Lazzarini , S. Bose , P. Fritschel , M. McHugh , T. Regimbau , K. Reilly , J. D. Romano , J. T. Whelan , S. Whitcomb , B. F. Whiting

Advanced VIRGO: detector optimization for gravitational waves by inspiralling binaries

For future configurations, we study the relation between the abatement of the noise sources and the Signal to Noise Ratio (SNR) for coalescing binaries. Our aim is not the proposition of a new design, but an indication of where in the…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Alessandro D. A. M. Spallicci , Sofiane Aoudia , Jose De Freitas Pacheco , Giorgio Frossati , Tania Regimbau

A Mock Data and Science Challenge for Detecting an Astrophysical Stochastic Gravitational-Wave Background with Advanced LIGO and Advanced Virgo

The purpose of this mock data and science challenge is to prepare the data analysis and science interpretation for the second generation of gravitational-wave experiments Advanced LIGO-Virgo in the search for a stochastic gravitational-wave…

High Energy Astrophysical Phenomena · Physics 2015-09-30 Duncan Meacher , Michael Coughlin , Sean Morris , Tania Regimbau , Nelson Christensen , Shivaraj Kandhasamy , Vuk Mandic , Joseph D. Romano , Eric Thrane

Simultaneous estimation of astrophysical and cosmological stochastic gravitational-wave backgrounds with terrestrial detectors

The recent Advanced LIGO and Advanced Virgo joint observing runs have not claimed a stochastic gravitational-wave background detection, but one expects this to change as the sensitivity of the detectors improves. The challenge of claiming a…

General Relativity and Quantum Cosmology · Physics 2021-03-03 Katarina Martinovic , Patrick M. Meyers , Mairi Sakellariadou , Nelson Christensen

VIRGO Newtonian-noise reassessment

The LIGO and Virgo scientific collaborations have cataloged ten confident detections from binary black holes and one from binary neutron stars in their first two observing runs, which has already brought up an immense desire among the…

Instrumentation and Methods for Astrophysics · Physics 2020-02-05 Ayatri Singha , Jan Harms , Stefan Hild

Relic Gravitational Waves and Their Detection

The range of expected amplitudes and spectral slopes of relic (squeezed) gravitational waves, predicted by theory and partially supported by observations, is within the reach of sensitive gravity-wave detectors. In the most favorable case,…

General Relativity and Quantum Cosmology · Physics 2016-12-07 L P Grishchuk

Gravitational-Wave Stochastic Background Detection with Resonant-Mass Detectors

In this paper we discuss how the standard optimal Wiener filter theory can be applied, within a linear approximation, to the detection of an isotropic stochastic gravitational-wave background with two or more detectors. We apply then the…

Astrophysics · Physics 2009-12-30 S. Vitale , M. Cerdonio , E. Coccia , A. Ortolan

Spectrum of relic gravitational waves in string cosmology

We compute the spectrum of relic gravitons in a model of string cosmology. In the low- and in the high-frequency limits we reproduce known results. The full spectrum, however, also displays a series of oscillations which could give a…

General Relativity and Quantum Cosmology · Physics 2011-09-09 A. Buonanno , M. Maggiore , C. Ungarelli

Signal-to-noise ratio for a stochastic background of massive relic particles

We estimate the signal-to-noise ratio for two gravitational detectors interacting with a stochastic background of massive scalar waves. We find that the present experimental level of sensitivity could be already enough to detect a signal…

General Relativity and Quantum Cosmology · Physics 2009-10-31 M. Gasperini

Stochastic Gravitational Wave Measurements with Bar Detectors: Dependence of Response on Detector Orientation

The response of a cross-correlation measurement to an isotropic stochastic gravitational-wave background depends on the observing geometry via the overlap reduction function. If one of the detectors being correlated is a resonant bar whose…

General Relativity and Quantum Cosmology · Physics 2009-11-11 John T Whelan

Dynamic Normalization for Compact Binary Coalescence Searches in Non-Stationary Noise

The output of gravitational-wave interferometers, such as LIGO and Virgo, can be highly non-stationary. Broadband detector noise can affect the detector sensitivity on the order of tens of seconds. Gravitational-wave transient searches,…

Instrumentation and Methods for Astrophysics · Physics 2020-08-07 S. Mozzon , L. K. Nuttall , A. Lundgren , T. Dent , S. Kumar , A. H. Nitz

The Ligo-Ligo cross correlation for the detection of relic scalar gravitational waves

In the earlier work arXiv:0706.3782 we studied the cross correlation between the Virgo interferometer and the MiniGRAIL resonant sphere for the detection of relic scalar gravitational waves (SGWs). We have shown that the overlap reduction…

Astrophysics · Physics 2012-05-10 Christian Corda