Searching for a stochastic background of gravitational waves with the laser interferometer gravitational-wave observatory

被引：116

作者：

Abbott, B. ^{[1
]}

Abbott, R.

Adhikari, R.

Agresti, J.

Ajith, P.

Allen, B.

Amin, R.

Anderson, S. B.

Anderson, W. G.

Araya, M.

Armandula, H.

Ashley, M.

Aston, S.

Aulbert, C.

Babak, S.

Ballmer, S.

Barish, B. C.

Barker, C.

Barker, D.

Barr, B.

Barriga, P.

Barton, M. A.

Bayer, K.

Belczynski, K.

Betzwieser, J.

Beyersdorf, P.

Bhawal, B.

Bilenko, I. A.

Billingsley, G.

Black, E.

Blackburn, K.

Blackburn, L.

Blair, D.

Bland, B.

Bogue, L.

Bork, R.

Bose, S.

Brady, P. R.

Braginsky, V. B.

Brau, J. E.

Brooks, A.

Brown, D. A.

Bullington, A.

Bunkowski, A.

Buonanno, A.

Burman, R.

Busby, D.

Byer, R. L.

Cadonati, L.

Cagnoli, G.

机构：

[1] CALTECH, Laser Interferometer Gravit Wave Observ, Pasadena, CA 91125 USA

[2] Max Planck Inst Gravitat Phys, Albert Einstein Inst, Hannover, Germany

[3] Univ Wisconsin, Milwaukee, WI 53201 USA

[4] Louisiana State Univ, Baton Rouge, LA 70803 USA

[5] Australian Natl Univ, Canberra, ACT, Australia

[6] Univ Birmingham, Birmingham, W Midlands, England

[7] Max Planck Inst Gravitat Phys, Albert Einstein Inst, Golm, Germany

[8] MIT, Laser Interferometer Gravit Wave Observ, Cambridge, MA 02139 USA

[9] Hanford Observ, Laser Interferometer Gravit Wave Observ, Richland, WA USA

[10] Univ Glasgow, Glasgow, Lanark, Scotland

[11] Univ Western Australia, Crawley, Australia

[12] Northwestern Univ, Evanston, IL USA

[13] Stanford Univ, Stanford, CA 94305 USA

[14] Moscow MV Lomonosov State Univ, Moscow, Russia

[15] Livingston Observ, Laser Interferometer Gravit Wave Observ, Livingston, LA USA

[16] Washington State Univ, Pullman, WA 99164 USA

[17] Univ Oregon, Eugene, OR 97403 USA

[18] Univ Adelaide, Adelaide, SA, Australia

[19] Univ Maryland, College Pk, MD 20742 USA

[20] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[21] Univ Michigan, Ann Arbor, MI 48109 USA

[22] Carleton Coll, Northfield, MN 55057 USA

[23] Cardiff Univ, Cardiff, Wales

[24] Univ Florida, Gainesville, FL USA

[25] CALTECH, Pasadena, CA 91125 USA

[26] Syracuse Univ, Syracuse, NY USA

[27] Leibniz Univ Hannover, Hannover, Germany

[28] Penn State Univ, University Pk, PA 16802 USA

[29] Inter Univ Ctr Astron & Astrophys, Pune, Maharashtra, India

[30] Univ Texas, Brownsville, TX USA

[31] Texas Southmost Coll, Brownsville, TX USA

[32] So Univ & A&M Coll, Baton Rouge, LA USA

[33] Univ Rochester, Rochester, NY USA

[34] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[35] Embry Riddle Aeronaut Univ, Prescott, AZ USA

[36] Columbia Univ, New York, NY USA

[37] Natl Astron Observ Japan, Tokyo, Japan

[38] Loyola Univ, New Orleans, LA 70118 USA

[39] Hobart & William Smith Coll, Geneva, NY 14456 USA

[40] Univ Illes Balears, Palma de Mallorca, Spain

[41] Trinity Univ, San Antonio, TX USA

[42] SE Louisiana Univ, Hammond, LA 70402 USA

[43] Louisiana Tech Univ, Ruston, LA 71270 USA

来源：

ASTROPHYSICAL JOURNAL | 2007年 / 659卷 / 02期

基金：

英国科学技术设施理事会;

关键词：

gravitational waves;

D O I：

10.1086/511329

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Laser Interferometer Gravitational-Wave Observatory (LIGO) has performed the fourth science run, S4, with significantly improved interferometer sensitivities with respect to previous runs. Using data acquired during this science run, we place a limit on the amplitude of a stochastic background of gravitational waves. For a frequency independent spectrum, the new Bayesian 90% upper limit is Omega(GW) x [H-0/72 km s(-1) Mpc(-1))](2) < 6.5 x 10(-5). This is currently the most sensitive result in the frequency range 51-150 Hz, with a factor of 13 improvement over the previous LIGO result. We discuss the complementarity of the new result with other constraints on a stochastic background of gravitational waves, and we investigate implications of the new result for different models of this background.

引用

页码：918 / 930

页数：13

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