Prospects for improving the sensitivity of the cryogenic gravitational wave detector KAGRA

Yuta Michimura; Kentaro Komori; Yutaro Enomoto; Koji Nagano; Atsushi Nishizawa; Eiichi Hirose; Matteo Leonardi; Eleonora Capocasa; Naoki Aritomi; Yuhang Zhao; Raffaele Flaminio; Takafumi Ushiba; Tomohiro Yamada; Li Wei Wei; Hiroki Takeda; Satoshi Tanioka; Masaki Ando; Kazuhiro Yamamoto; Kazuhiro Hayama; Sadakazu Haino; Kentaro Somiya

doi:10.1103/PhysRevD.102.022008

Prospects for improving the sensitivity of the cryogenic gravitational wave detector KAGRA

Yuta Michimura^*, Kentaro Komori, Yutaro Enomoto, Koji Nagano, Atsushi Nishizawa, Eiichi Hirose, Matteo Leonardi, Eleonora Capocasa, Naoki Aritomi, Yuhang Zhao, Raffaele Flaminio, Takafumi Ushiba, Tomohiro Yamada, Li Wei Wei, Hiroki Takeda, Satoshi Tanioka, Masaki Ando, Kazuhiro Yamamoto, Kazuhiro Hayama, Sadakazu HainoKentaro Somiya

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Article › peer-review

22 Scopus citations

Abstract

Upgrades to improve the sensitivity of gravitational wave detectors enable more frequent detections and more precise source parameter estimation. Unlike other advanced interferometric detectors such as Advanced LIGO and Advanced Virgo, KAGRA requires a different approach for the upgrade since it is the only detector which employs cryogenic cooling of the test masses. In this paper, we describe possible KAGRA upgrades with technologies focusing on different detector bands and compare the impacts on the detection of compact binary coalescences. We show that either fivefold improvement in the 100 MâŠ™-100 MâŠ™ binary black hole range, a factor of 1.3 improvement in the binary neutron star range, or a factor of 1.7 improvement in the sky localization of binary neutron stars is quite feasible with upgrades that do not require changes in the existing cryogenic or vacuum infrastructure. We also show that twofold broadband sensitivity improvement is possible by applying multiple upgrades to the detector.

Original language	English
Article number	022008
Journal	Physical Review D
Volume	102
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevD.102.022008
State	Published - 2020/07/15

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevD.102.022008

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Michimura, Y., Komori, K., Enomoto, Y., Nagano, K., Nishizawa, A., Hirose, E., Leonardi, M., Capocasa, E., Aritomi, N., Zhao, Y., Flaminio, R., Ushiba, T., Yamada, T., Wei, L. W., Takeda, H., Tanioka, S., Ando, M., Yamamoto, K., Hayama, K., ... Somiya, K. (2020). Prospects for improving the sensitivity of the cryogenic gravitational wave detector KAGRA. Physical Review D, 102(2), Article 022008. https://doi.org/10.1103/PhysRevD.102.022008

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title = "Prospects for improving the sensitivity of the cryogenic gravitational wave detector KAGRA",

abstract = "Upgrades to improve the sensitivity of gravitational wave detectors enable more frequent detections and more precise source parameter estimation. Unlike other advanced interferometric detectors such as Advanced LIGO and Advanced Virgo, KAGRA requires a different approach for the upgrade since it is the only detector which employs cryogenic cooling of the test masses. In this paper, we describe possible KAGRA upgrades with technologies focusing on different detector bands and compare the impacts on the detection of compact binary coalescences. We show that either fivefold improvement in the 100 M{\^a}{\v S}{\texttrademark}-100 M{\^a}{\v S}{\texttrademark} binary black hole range, a factor of 1.3 improvement in the binary neutron star range, or a factor of 1.7 improvement in the sky localization of binary neutron stars is quite feasible with upgrades that do not require changes in the existing cryogenic or vacuum infrastructure. We also show that twofold broadband sensitivity improvement is possible by applying multiple upgrades to the detector.",

author = "Yuta Michimura and Kentaro Komori and Yutaro Enomoto and Koji Nagano and Atsushi Nishizawa and Eiichi Hirose and Matteo Leonardi and Eleonora Capocasa and Naoki Aritomi and Yuhang Zhao and Raffaele Flaminio and Takafumi Ushiba and Tomohiro Yamada and Wei, {Li Wei} and Hiroki Takeda and Satoshi Tanioka and Masaki Ando and Kazuhiro Yamamoto and Kazuhiro Hayama and Sadakazu Haino and Kentaro Somiya",

note = "Publisher Copyright: {\textcopyright} 2020 American Physical Society.",

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Michimura, Y, Komori, K, Enomoto, Y, Nagano, K, Nishizawa, A, Hirose, E, Leonardi, M, Capocasa, E, Aritomi, N, Zhao, Y, Flaminio, R, Ushiba, T, Yamada, T, Wei, LW, Takeda, H, Tanioka, S, Ando, M, Yamamoto, K, Hayama, K, Haino, S & Somiya, K 2020, 'Prospects for improving the sensitivity of the cryogenic gravitational wave detector KAGRA', Physical Review D, vol. 102, no. 2, 022008. https://doi.org/10.1103/PhysRevD.102.022008

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AU - Michimura, Yuta

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AU - Nishizawa, Atsushi

AU - Hirose, Eiichi

AU - Leonardi, Matteo

AU - Capocasa, Eleonora

AU - Aritomi, Naoki

AU - Zhao, Yuhang

AU - Flaminio, Raffaele

AU - Ushiba, Takafumi

AU - Yamada, Tomohiro

AU - Wei, Li Wei

AU - Takeda, Hiroki

AU - Tanioka, Satoshi

AU - Ando, Masaki

AU - Yamamoto, Kazuhiro

AU - Hayama, Kazuhiro

AU - Haino, Sadakazu

AU - Somiya, Kentaro

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AB - Upgrades to improve the sensitivity of gravitational wave detectors enable more frequent detections and more precise source parameter estimation. Unlike other advanced interferometric detectors such as Advanced LIGO and Advanced Virgo, KAGRA requires a different approach for the upgrade since it is the only detector which employs cryogenic cooling of the test masses. In this paper, we describe possible KAGRA upgrades with technologies focusing on different detector bands and compare the impacts on the detection of compact binary coalescences. We show that either fivefold improvement in the 100 MâŠ™-100 MâŠ™ binary black hole range, a factor of 1.3 improvement in the binary neutron star range, or a factor of 1.7 improvement in the sky localization of binary neutron stars is quite feasible with upgrades that do not require changes in the existing cryogenic or vacuum infrastructure. We also show that twofold broadband sensitivity improvement is possible by applying multiple upgrades to the detector.

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Prospects for improving the sensitivity of the cryogenic gravitational wave detector KAGRA

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