Document Detail


An upper limit on the stochastic gravitational-wave background of cosmological origin.
MedLine Citation:
PMID:  19693079     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
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 carry unique signatures from the earliest epochs in the evolution of the Universe, inaccessible to standard astrophysical observations. Direct measurements of the amplitude of this background are therefore of fundamental importance for understanding the evolution of the Universe when it was younger than one minute. Here we report limits on the amplitude of the stochastic gravitational-wave background using the data from a two-year science run of the Laser Interferometer Gravitational-wave Observatory (LIGO). Our result constrains the energy density of the stochastic gravitational-wave background normalized by the critical energy density of the Universe, in the frequency band around 100 Hz, to be <6.9 x 10(-6) at 95% confidence. The data rule out models of early Universe evolution with relatively large equation-of-state parameter, as well as cosmic (super)string models with relatively small string tension that are favoured in some string theory models. This search for the stochastic background improves on the indirect limits from Big Bang nucleosynthesis and cosmic microwave background at 100 Hz.
Authors:
; B P Abbott; R Abbott; F Acernese; R Adhikari; P Ajith; B Allen; G Allen; M Alshourbagy; R S Amin; S B Anderson; W G Anderson; F Antonucci; S Aoudia; M A Arain; M Araya; H Armandula; P Armor; K G Arun; Y Aso; S Aston; P Astone; P Aufmuth; C Aulbert; S Babak; P Baker; G Ballardin; S Ballmer; C Barker; D Barker; F Barone; B Barr; P Barriga; L Barsotti; M Barsuglia; M A Barton; I Bartos; R Bassiri; M Bastarrika; Th S Bauer; B Behnke; M Beker; M Benacquista; J Betzwieser; P T Beyersdorf; S Bigotta; I A Bilenko; G Billingsley; S Birindelli; R Biswas; M A Bizouard; E Black; J K Blackburn; L Blackburn; D Blair; B Bland; C Boccara; T P Bodiya; L Bogue; F Bondu; L Bonelli; R Bork; V Boschi; S Bose; L Bosi; S Braccini; C Bradaschia; P R Brady; V B Braginsky; J F J van den Brand; J E Brau; D O Bridges; A Brillet; M Brinkmann; V Brisson; C Van Den Broeck; A F Brooks; D A Brown; A Brummit; G Brunet; A Bullington; H J Bulten; A Buonanno; O Burmeister; D Buskulic; R L Byer; L Cadonati; G Cagnoli; E Calloni; J B Camp; E Campagna; J Cannizzo; K C Cannon; B Canuel; J Cao; F Carbognani; L Cardenas; S Caride; G Castaldi; S Caudill; M Cavaglià; F Cavalier; R Cavalieri; G Cella; C Cepeda; E Cesarini; T Chalermsongsak; E Chalkley; P Charlton; E Chassande-Mottin; S Chatterji; S Chelkowski; Y Chen; N Christensen; C T Y Chung; D Clark; J Clark; J H Clayton; F Cleva; E Coccia; T Cokelaer; C N Colacino; J Colas; A Colla; M Colombini; R Conte; D Cook; T R C Corbitt; C Corda; N Cornish; A Corsi; J-P Coulon; D Coward; D C Coyne; J D E Creighton; T D Creighton; A M Cruise; R M Culter; A Cumming; L Cunningham; E Cuoco; S L Danilishin; S D'Antonio; K Danzmann; A Dari; V Dattilo; B Daudert; M Davier; G Davies; E J Daw; R Day; R De Rosa; D Debra; J Degallaix; M Del Prete; V Dergachev; S Desai; R Desalvo; S Dhurandhar; L Di Fiore; A Di Lieto; M Di Paolo Emilio; A Di Virgilio; M Díaz; A Dietz; F Donovan; K L Dooley; E E Doomes; M Drago; R W P Drever; J Dueck; I Duke; J-C Dumas; J G Dwyer; C Echols; M Edgar; A Effler; P Ehrens; G Ely; E Espinoza; T Etzel; M Evans; T Evans; V Fafone; S Fairhurst; Y Faltas; Y Fan; D Fazi; H Fehrmann; I Ferrante; F Fidecaro; L S Finn; I Fiori; R Flaminio; K Flasch; S Foley; C Forrest; N Fotopoulos; J-D Fournier; J Franc; A Franzen; S Frasca; F Frasconi; M Frede; M Frei; Z Frei; A Freise; R Frey; T Fricke; P Fritschel; V V Frolov; M Fyffe; V Galdi; L Gammaitoni; J A Garofoli; F Garufi; E Genin; A Gennai; I Gholami; J A Giaime; S Giampanis; K D Giardina; A Giazotto; K Goda; E Goetz; L M Goggin; G González; M L Gorodetsky; S Gobler; R Gouaty; M Granata; V Granata; A Grant; S Gras; C Gray; M Gray; R J S Greenhalgh; A M Gretarsson; C Greverie; F Grimaldi; R Grosso; H Grote; S Grunewald; M Guenther; G Guidi; E K Gustafson; R Gustafson; B Hage; J M Hallam; D Hammer; G D Hammond; C Hanna; J Hanson; J Harms; G M Harry; I W Harry; E D Harstad; K Haughian; K Hayama; J Heefner; H Heitmann; P Hello; I S Heng; A Heptonstall; M Hewitson; S Hild; E Hirose; D Hoak; K A Hodge; K Holt; D J Hosken; J Hough; D Hoyland; D Huet; B Hughey; S H Huttner; D R Ingram; T Isogai; M Ito; A Ivanov; B Johnson; W W Johnson; D I Jones; G Jones; R Jones; L Sancho de la Jordana; L Ju; P Kalmus; V Kalogera; S Kandhasamy; J Kanner; D Kasprzyk; E Katsavounidis; K Kawabe; S Kawamura; F Kawazoe; W Kells; D G Keppel; A Khalaidovski; F Y Khalili; R Khan; E Khazanov; P King; J S Kissel; S Klimenko; K Kokeyama; V Kondrashov; R Kopparapu; S Koranda; D Kozak; B Krishnan; R Kumar; P Kwee; P La Penna; P K Lam; M Landry; B Lantz; M Laval; A Lazzarini; H Lei; M Lei; N Leindecker; I Leonor; N Leroy; N Letendre; C Li; H Lin; P E Lindquist; T B Littenberg; N A Lockerbie; D Lodhia; M Longo; M Lorenzini; V Loriette; M Lormand; G Losurdo; P Lu; M Lubinski; A Lucianetti; H Lück; B Machenschalk; M Macinnis; J-M Mackowski; M Mageswaran; K Mailand; E Majorana; N Man; I Mandel; V Mandic; M Mantovani; F Marchesoni; F Marion; S Márka; Z Márka; A Markosyan; J Markowitz; 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; R McCarthy; D E McClelland; S C McGuire; M McHugh; G McIntyre; D J A McKechan; K McKenzie; M Mehmet; A Melatos; A C Melissinos; G Mendell; D F Menéndez; F Menzinger; R A Mercer; S Meshkov; C Messenger; M S Meyer; C Michel; L Milano; J Miller; J Minelli; Y Minenkov; Y Mino; V P Mitrofanov; G Mitselmakher; R Mittleman; O Miyakawa; B Moe; M Mohan; S D Mohanty; S R P Mohapatra; J Moreau; G Moreno; N Morgado; A Morgia; T Morioka; K Mors; S Mosca; K Mossavi; B Mours; C Mowlowry; G Mueller; D Muhammad; H Zur Mühlen; S Mukherjee; H Mukhopadhyay; A Mullavey; H Müller-Ebhardt; J Munch; P G Murray; E Myers; J Myers; T Nash; J Nelson; I Neri; G Newton; A Nishizawa; F Nocera; K Numata; E Ochsner; J O'Dell; G H Ogin; B O'Reilly; R O'Shaughnessy; D J Ottaway; R S Ottens; H Overmier; B J Owen; G Pagliaroli; C Palomba; Y Pan; C Pankow; F Paoletti; M A Papa; V Parameshwaraiah; S Pardi; A Pasqualetti; R Passaquieti; D Passuello; P Patel; M Pedraza; S Penn; A Perreca; G Persichetti; M Pichot; F Piergiovanni; V Pierro; L Pinard; I M Pinto; M Pitkin; H J Pletsch; M V Plissi; R Poggiani; F Postiglione; M Principe; R Prix; G A Prodi; L Prokhorov; O Punken; M Punturo; P Puppo; S van der Putten; V Quetschke; F J Raab; O Rabaste; D S Rabeling; H Radkins; P Raffai; Z Raics; N Rainer; M Rakhmanov; P Rapagnani; V Raymond; V Re; C M Reed; T Reed; T Regimbau; H Rehbein; S Reid; D H Reitze; F Ricci; R Riesen; K Riles; B Rivera; P Roberts; N A Robertson; F Robinet; C Robinson; E L Robinson; A Rocchi; S Roddy; L Rolland; J Rollins; J D Romano; R Romano; J H Romie; C Röver; S Rowan; A Rüdiger; P Ruggi; P Russell; K Ryan; S Sakata; F Salemi; V Sandberg; V Sannibale; L Santamaría; S Saraf; P Sarin; B Sassolas; B S Sathyaprakash; S Sato; M Satterthwaite; P R Saulson; R Savage; P Savov; M Scanlan; R Schilling; R Schnabel; R Schofield; B Schulz; B F Schutz; P Schwinberg; J Scott; S M Scott; A C Searle; B Sears; F Seifert; D Sellers; A S Sengupta; D Sentenac; A Sergeev; B Shapiro; P Shawhan; D H Shoemaker; A Sibley; X Siemens; D Sigg; S Sinha; A M Sintes; B J J Slagmolen; J Slutsky; M V van der Sluys; J R Smith; M R Smith; N D Smith; K Somiya; B Sorazu; A Stein; L C Stein; S Steplewski; A Stochino; R Stone; K A Strain; S Strigin; A Stroeer; R Sturani; A L Stuver; T Z Summerscales; K-X Sun; M Sung; P J Sutton; B L Swinkels; G P Szokoly; D Talukder; L Tang; D B Tanner; S P Tarabrin; J R Taylor; R Taylor; R Terenzi; J Thacker; K A Thorne; K S Thorne; A Thüring; K V Tokmakov; A Toncelli; M Tonelli; C Torres; C Torrie; E Tournefier; F Travasso; G Traylor; M Trias; J Trummer; D Ugolini; J Ulmen; K Urbanek; H Vahlbruch; G Vajente; M Vallisneri; S Vass; R Vaulin; M Vavoulidis; A Vecchio; G Vedovato; A A van Veggel; J Veitch; P Veitch; C Veltkamp; D Verkindt; F Vetrano; A Viceré; A Villar; J-Y Vinet; H Vocca; C Vorvick; S P Vyachanin; S J Waldman; L Wallace; H Ward; R L Ward; M Was; A Weidner; M Weinert; A J Weinstein; R Weiss; L Wen; S Wen; K Wette; J T Whelan; S E Whitcomb; B F Whiting; C Wilkinson; P A Willems; H R Williams; L Williams; B Willke; I Wilmut; L Winkelmann; W Winkler; C C Wipf; A G Wiseman; G Woan; R Wooley; J Worden; W Wu; I Yakushin; H Yamamoto; Z Yan; S Yoshida; M Yvert; M Zanolin; J Zhang; L Zhang; C Zhao; N Zotov; M E Zucker; J Zweizig
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Nature     Volume:  460     ISSN:  1476-4687     ISO Abbreviation:  Nature     Publication Date:  2009 Aug 
Date Detail:
Created Date:  2009-08-20     Completed Date:  2009-09-23     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0410462     Medline TA:  Nature     Country:  England    
Other Details:
Languages:  eng     Pagination:  990-4     Citation Subset:  -    
Affiliation:
Lists of participants and their affiliations appear at the end of the paper.
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