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arxiv: 2003.03434 · v2 · pith:SCGVWOWNnew · submitted 2020-03-06 · ⚛️ physics.ins-det · gr-qc

Site-selection criteria for the Einstein Telescope

Florian Amann , Fabio Bonsignorio , Tomasz Bulik , Henk Jan Bulten , Stefano Cuccuru , Alain Dassargues , Riccardo DeSalvo , Edit Fenyvesi
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Francesco Fidecaro Irene Fiori Carlo Giunchi Aniello Grado Jan Harms Soumen Koley Laszlo Kovacs Giovanni Losurdo Vuk Mandic Patrick Meyers Luca Naticchioni Frederic Nguyen Giacomo Oggiano Marco Olivieri Federico Paoletti Andrea Paoli Wolfango Plastino Massimiliano Razzano Paolo Ruggi Gilberto Saccorotti Alicia M Sintes Laszlo Somlai Peter Van Matyas Vasuth
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classification ⚛️ physics.ins-det gr-qc
keywords criteriasiteeinsteinsensitivitysite-selectiontelescopeaccountband
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The Einstein Telescope (ET) is a proposed next-generation, underground gravitational-wave (GW) detector to be based in Europe. It will provide about an order of magnitude sensitivity increase with respect to currently operating detectors, and furthermore, extend the observation band towards lower frequencies, i.e., down to about 3Hz. 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.

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