Prospects for improving the sensitivity of KAGRA gravitational wave detector

被引：0

作者：

Michimura, Yuta ^{[1
]}

Ando, Masaki ^{[1
]}

Capocasa, Eleonora ^{[2
]}

Enomoto, Yutaro ^{[1
]}

Flaminio, Raffaele ^{[2
,3
]}

Haino, Sadakazu ^{[4
]}

Hayama, Kazuhiro ^{[5
]}

Hirose, Eiichi ^{[6
]}

Itoh, Yousuke ^{[7
]}

Kinugawa, Tomoya ^{[8
]}

Komori, Kentro ^{[1
,9
]}

Leonardi, Matteo ^{[2
]}

Mio, Norikatsu ^{[10
]}

Nagano, Koji

Nakano, Hiroyuki ^{[11
]}

Nishizawa, Atsushi ^{[12
]}

Sago, Norichika ^{[13
]}

Shibata, Masaru ^{[14
,15
]}

Shinkai, Hisaaki ^{[16
]}

Somiya, Kentaro ^{[17
]}

Takeda, Hiroki ^{[1
]}

Tanaka, Takahiro ^{[15
,18
]}

Tanioka, Satoshi ^{[2
,19
]}

Wei, Li-Wei ^{[20
]}

Yamamoto, Kazuhiro ^{[21
]}

机构：

[1] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan

[2] Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan

[3] Univ Grenoble Alpes, Univ Savoie Mt Blanc, CNRS,IN2P3, Lab Annecy Phys Particules LAPP, F-74941 Annecy, France

[4] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

[5] Fukuoka Univ, Dept Appl Phys, Nanakuma, Fukuoka 8140180, Japan

[6] Univ Tokyo, Inst Cosm Ray Res, Kashiwa, Chiba 2778582, Japan

[7] Osaka City Univ, Dept Phys, Sumiyoshi, Osaka 5588585, Japan

[8] Univ Tokyo, Dept Astron, Tokyo 1130033, Japan

[9] MIT, LIGO Lab, Cambridge, MA 02139 USA

[10] Univ Tokyo, Inst Photon Sci & Technol, Tokyo 1138656, Japan

[11] Ryukoku Univ, Fac Law, Fushimi, Kyoto 6128577, Japan

[12] Univ Tokyo, Sch Sci, Res Ctr Early Universe RESCEU, Tokyo 1130033, Japan

[13] Kyushu Univ, Fac Arts & Sci, Nishi, Fukuoka 8190395, Japan

[14] Albert Einstein Inst, Max Planck Inst Gravitat Phys, Muhlenberg 1, D-14476 Postdam Golm, Germany

[15] Kyoto Univ, Yukawa Inst Theoret Phys, Ctr Gravitat Phys, Sakyo, Kyoto 6068502, Japan

[16] Osaka Inst Technol, Fac Informat Sci & Technol, Hirakata, Osaka 5730196, Japan

[17] Tokyo Inst Technol, Dept Phys, Tokyo 1528550, Japan

[18] Kyoto Univ, Dept Phys, Sakyo, Kyoto 6068502, Japan

[19] Grad Univ Adv Studies SOKENDAI, Mitaka, Tokyo 1818588, Japan

[20] Albert Einstein Inst, Max Planck Inst Gravitat Phys, Callinstr, D-30167 Hannover, Germany

[21] Toyama Univ, Dept Phys, Toyama, Toyama 9308555, Japan

来源：

15TH MARCEL GROSSMANN MEETING, PT A | 2022年

关键词：

Gravitational waves; Cryogenics; Underground; Laser interferometer; Optimization;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

KAGRA is a new gravitational wave detector which aims to begin joint observation with Advanced LIGO and Advanced Virgo from late 2019. Here, we present KAGRA's possible upgrade plans to improve the sensitivity in the decade ahead. Unlike other state-of-the-art detectors, KAGRA requires different investigations for the upgrade since it is the only detector which employs cryogenic cooling of the test mass mirrors. In this paper, investigations on the upgrade plans which can be realized by changing the input laser power, increasing the mirror mass, and injecting frequency dependent squeezed vacuum are presented. We show how each upgrade affects to the detector frequency bands and also discuss impacts on gravitational-wave science. We then propose an effective progression of upgrades based on technical feasibility and scientific scenarios.

引用

页码：1599 / 1605

页数：7

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