Measurements of thermal relaxation of the OGRAN underground setup
Gavrilyuk Y.M., Gusev A.V., Kvashnin N.L., Lugovoy A.A., Oreshkin, S.I., Popov S.M., Rudenko V.N., Semenov V.V., Syrovatsky I.A
TL;DR
This paper investigates the thermal relaxation behavior of the upgraded OGRAN gravitational wave detector at Baksan, using passive and active thermal stabilization to enhance its long-term operational stability for multi-messenger astronomy.
Contribution
It provides the first experimental analysis of thermal relaxation effects in the OGRAN detector with thermal stabilization methods.
Findings
Thermal relaxation impacts detector stability over long periods.
Passive and active stabilization systems improve thermal regulation.
Results support enhanced detector performance for multi-messenger observations.
Abstract
An upgraded version of the OGRAN -- combined optical-acoustic gravitational wave detector -- has been investigated in a long-term operation mode. This installation, located at the Baksan Neutrino Observatory (BNO) INR RAS, is designed to work under the program for detecting collapsing stars in parallel with the neutrino detector: Baksan Underground Scintillation Telescope (BUST). Such joint search corresponds to the modern trend for a development of "multi-messenger astronomy". In this work the effects of thermal relaxation OGRAN are experimentally investigated using passive and active thermal stabilization systems in the underground laboratory BNO PK-14.
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Taxonomy
TopicsGeophysics and Gravity Measurements · Astrophysics and Cosmic Phenomena · Pulsars and Gravitational Waves Research