The Einstein Telescope (ET) is a proposed next-generation, underground gravitational-wave detector to be based in Europe. It will provide about an order of magnitude sensitivity increase with respect to the currently operating detectors and, also extend the observation band targeting frequencies as low as 3 Hz. One of the first decisions that needs to be made is about the future ET site following an in-depth site characterization. Site evaluation and selection is a complicated process, which takes into account science, financial, political, and socio-economic criteria. In this paper, we provide an overview of the site-selection criteria for ET, provide a formalism to evaluate the direct impact of environmental noise on ET sensitivity, and outline the necessary elements of a site-characterization campaign.
Bibliographical noteFunding Information:
Part of this research was conducted by the Australian Research Council Center of Excellence for Gravitational Wave Discovery (OzGrav) through Project No. CE170100004. The work in Hungary was supported by the grant National Research, Development and Innovation Office—Grant No. NKFIH124366(124508). The support of the European Regional Development Fund and of Hungary in the frame of the Project No. GINOP-2.2.1-15-2016-00012 is acknowledged. Part of the Italian contribution is funded by INFN, thanks to the “Protocollo di Intesa il Ministero dell’Istruzione, dell’Università e della Ricerca, la Regione Autonoma della Sardegna, and l’Istituto Nazionale di Fisica Nucleare e l’Università degli Studi di Sassari finalizzato a sostenere la candidatura italiana a ospitare l’infrastruttura Einstein Telescope in Sardegna e al potenziamento di VIRGO” (2018). The contribution of the University of Sassari is funded by the FSC 2014-2020—Patto per lo Sviluppo della Regione Sardegna. The Spanish contribution is funded by the State Research Agency, Ministry of Science, Innovation and Universities (Grant No. FPA2016-76821-P), European Union FEDER funds, and Vicepresidència i Conselleria d’Innovació, Recerca i Turisme del Govern de les Illes Balears. T.B. was supported by Grant No. TEAM/2016-3/19 from FNP.
PubMed: MeSH publication types
- Journal Article