Results of the IGEC-2 search for gravitational wave bursts during 2005

被引：48

作者：

Astone, P.

Babusci, D.

Baggio, L.

Bassan, M.

Bignotto, M.

Bonaldi, M.

Camarda, M.

Carelli, P.

Cavallari, G.

Cerdonio, M.

Chincarini, A.

Coccia, E.

Conti, L.

D'Antonio, S.

De Rosa, M.

Emilio, M. di Paolo

Drago, M.

Dubath, F.

Fafone, V.

Falferi, P.

Foffa, S.

Fortini, P.

Frasca, S.

Gemme, G.

Giordano, G.

Giusfredi, G.

Hamilton, W. O.

Hanson, J.

Inguscio, M.

Johnson, W. W.

Liguori, N.

Longo, S.

Maggiore, M.

Marin, F.

Marini, A.

McHugh, M. P.

Mezzena, R.

Miller, P.

Minenkov, Y.

Mion, A.

Modestino, G.

Moleti, A.

Nettles, D.

Ortolan, A.

Pallottino, G. V.

Parodi, R.

Piano Mortari, G.

Poggi, S.

Prodi, G. A. ^{[1
]}

Quintieri, L.

机构：

[1] Ist Nazl Fis Nucl, Grp Coll Trento, Sez Padova, I-38050 Trento, Italy

[2] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[3] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[4] EGO, Pisa, Italy

[5] Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy

[6] Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy

[7] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy

[8] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy

[9] Fdn Bruno Kessler, CNR, Ist Foton & Nanotecnol, I-38050 Trento, Italy

[10] Univ Padua, Dipartimento Ingn Informat, I-35131 Padua, Italy

[11] Univ Laquila, Dipartimento Fis, Laquila, Italy

[12] CERN, Geneva, Switzerland

[13] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy

[14] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, Laquila, Italy

[15] CNR, INOA, I-80078 Naples, Italy

[16] Ist Nazl Fis Nucl, Sez Firenze, I-50121 Florence, Italy

[17] Univ Geneva, Dept Phys Theor, CH-1211 Geneva, Switzerland

[18] Univ Ferrara, Dipartimento Fis, I-44100 Ferrara, Italy

[19] Ist Nazl Fis Nucl, Sez Ferrara, I-44100 Ferrara, Italy

[20] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy

[21] CNR, INOA, I-50125 Florence, Italy

[22] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA

[23] Univ Florence, LENS, I-50121 Florence, Italy

[24] Univ Florence, Dipartimento Fis, I-50121 Florence, Italy

[25] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy

[26] Loyola Univ, Dept Phys, New Orleans, LA 70118 USA

[27] Univ Trent, Dipartimento Fis, I-38050 Trento, Italy

[28] Consorzio Criospazio Ricerche, I-38050 Trento, Italy

[29] Ist Fis Spazio Interplanetario, INAF, I-00133 Rome, Italy

[30] CNR, Ist Foton & Nanotecnol, Rome, Italy

来源：

PHYSICAL REVIEW D | 2007年 / 76卷 / 10期

关键词：

D O I：

10.1103/PhysRevD.76.102001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The network of resonant bar detectors of gravitational waves resumed coordinated observations within the International Gravitational Event Collaboration (IGEC-2). Four detectors are taking part in this Collaboration: ALLEGRO, AURIGA, EXPLORER and NAUTILUS. We present here the results of the search for gravitational wave bursts over 6 months during 2005, when IGEC-2 was the only gravitational wave observatory in operation. The implemented network data analysis is based on a time coincidence search among AURIGA, EXPLORER and NAUTILUS; ALLEGRO data was reserved for follow-up studies. The network amplitude sensitivity to bursts improved by a factor approximate to 3 over the 1997-2000 IGEC observations; the wider sensitive band also allowed the analysis to be tuned over a larger class of waveforms. Given the higher single-detector duty factors, the analysis was based on threefold coincidence, to ensure the identification of any single candidate of gravitational waves with high statistical confidence. The false detection rate was as low as 1 per century. No candidates were found.

引用

页数：9

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