Stanford Program in Support of LIGO – Seismic Isolation and Controls

斯坦福大学支持 LIGO 的项目 – 地震隔离和控制

• 批准号: 2011786
• 负责人: Robert Byer
• 金额: $ 165万
• 依托单位: Stanford University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2020
• 资助国家: 美国
• 起止时间: 2020-12-01 至 2024-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2011786&HistoricalAwards=false
• 关键词: Stanford; Program; Support; LIGO; Seismic

This award supports research in relativity and relativistic astrophysics and it addresses the priority areas of NSF's "Windows on the Universe" Big Idea. The LIGO team at Stanford works to improve the performance and reliability of the Laser Interferometer Gravitational-wave Observatories (LIGO) by developing technology and techniques to reduce the impact of ground motion on the detectors. This grant supports the study of new techniques to reduce the noise that limits the sensitivity of the LIGO detectors by implementing new sensing technology in the ground motion isolation systems, and also by increasing the ability of the detectors to operate in challenging environmental conditions such as wind storms and earthquakes. Under good conditions, the LIGO observatories can operate 24 hours a day, but challenging environmental conditions limit the observatories' stable operation. The improved technology and control schemes funded by this grant will help maximize the scientific output of these premier facilities. This grant also supports research to enable the next generation of detectors which may operate at low temperature, by demonstrating ways to cool the sensitive optics without compromising the extremely low-vibration conditions in which they operate.This grant supports development of several complementary approaches to improving Advanced LIGO. In the short term, the implementation of improved earthquake warning schemes will enable the operators at the sites to better utilize information from the realtime USGS earthquake early warning systems so that the detectors can change from a low-noise to a robust configuration before the increased motion from teleseismic (i.e., distant) earthquakes can affect operations. The grant also supports the study of the new wind protection fences which were developed in the previous funding cycling and constructed recently at the LIGO Hanford Observatory. In the medium term, this grant supports the building and testing of a Seismic Platform Interferometer (SPI) in the test facility at Stanford. This SPI is designed to be used to interferometrically connect the various isolation systems at the Observatories so as to dramatically reduce the relative motion at frequencies below 1 Hz. This integration should reduce the control noise and also improve robustness of the LIGO detectors. In the long term, this grant supports the development of new cryogenic heat transport systems, both dilute nitrogen gas and nitrogen thermo-siphons for the test facility at Stanford. These systems will be used to measure how to remove heat quickly from next generation detectors.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

该奖项支持相对论和相对论天体物理学的研究，并阐述了美国国家科学基金会“宇宙之窗”宏伟构想的优先领域。斯坦福大学的LIGO团队致力于通过开发减少地面运动对探测器的影响的技术和技术来提高激光干涉仪引力波天文台(LIGO)的性能和可靠性。这笔赠款支持研究新的技术，以降低限制LIGO探测器灵敏度的噪声，方法是在地面运动隔离系统中实施新的传感技术，并提高探测器在具有挑战性的环境条件下(如风暴风和地震)运行的能力。在条件良好的情况下，LIGO天文台可以一天24小时运行，但具有挑战性的环境条件限制了天文台的稳定运行。由这笔赠款资助的改进的技术和控制计划将有助于最大限度地提高这些一流设施的科学产出。这笔赠款还支持研究，通过展示冷却敏感光学器件的方法，而不损害它们工作时的极低振动条件，使下一代探测器能够在低温下工作。这笔赠款支持开发几种补充方法来改进高级LIGO。短期内，改进的地震预警方案的实施将使现场的操作员能够更好地利用来自美国地质勘探局的实时地震预警系统的信息，以便在远震(即远距离)地震的运动增加影响作业之前，探测器能够从低噪音转变为坚固的配置。这笔赠款还支持对新的防风栅栏的研究，这些栅栏是在之前的资金循环中开发的，最近在LIGO汉福德天文台建造。中期而言，这笔赠款支持在斯坦福大学的测试设施中建造和测试地震平台干涉仪(SPI)。这个SPI被设计用来干涉性地连接天文台的各种隔离系统，以便在低于1赫兹的频率下显著减少相对运动。这种集成应能降低控制噪声，并提高LIGO检测器的稳健性。从长远来看，这笔赠款支持为斯坦福大学的试验设施开发新的低温热传输系统，包括稀释氮气和氮气热虹吸管。这些系统将被用来衡量如何快速从下一代探测器上散热。这一奖项反映了NSF的法定使命，并通过使用基金会的智力优势和更广泛的影响审查标准进行评估，被认为值得支持。

项目成果

Search for anisotropic gravitational-wave backgrounds using data from Advanced LIGO and Advanced Virgo窶冱 first three observing runs

使用 Advanced LIGO 和 Advanced Virgo 前三次观测运行的数据搜索各向异性引力波背景

• DOI: 10.1103/physrevd.104.022005
• 发表时间: 2021
• 期刊: Physical Review D
• 影响因子: 5
• 作者: R. Abbott et al.

All-sky search for short gravitational-wave bursts in the third Advanced LIGO and Advanced Virgo run

在第三次 Advanced LIGO 和 Advanced Virgo 运行中对短引力波爆发进行全天搜索

• DOI: 10.1103/physrevd.104.122004
• 发表时间: 2021
• 期刊: Physical Review D
• 影响因子: 5
• 作者: Abbott, R.;Abbott, T. D.;Acernese, F.;Ackley, K.;Adams, C.;Adhikari, N.;Adhikari, R. X.;Adya, V. B.;Affeldt, C.;Agarwal, D.
• 通讯作者: Agarwal, D.

All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data

• DOI: 10.1103/physrevd.106.102008
• 发表时间: 2022-01
• 期刊: Physical Review D
• 影响因子: 5
• 作者: The Ligo Scientific Collaboration;The Virgo Collaboration;T. Abbott;H. Abe;F. Acernese;K. Ackley;N. Adhikari;R. Adhikari;V. K. Adkins;V. Adya;C. Affeldt;D. Agarwal;M. Agathos;K. Agatsuma;N. Aggarwal;O. Aguiar;L. Aiello;A. Ain;P. Ajith;T. Akutsu;S. Albanesi;R. Alfaidi;A. Allocca;P. Altin;A. Amato;C. Anand;S. Anand;A. Ananyeva;S. Anderson;W. Anderson;M. Ando;T. Andrade;N. Andrés;M. Andr'es-Carcasona;T. Andri'c;S. Angelova;S. Ansoldi;J. Antelis;S. Antier;T. Apostolatos;E. Z. Appavuravther;S. Appert;S. Apple;K. Arai;A. Araya;M. Araya;J. Areeda;M. Arène;N. Aritomi;N. Arnaud;M. Arogeti;S. Aronson;H. Asada;Y. Asali;G. Ashton;Y. Aso;M. Assiduo;S. D. Melo;S. Aston;P. Astone;F. Aubin;K. AultONeal;C. Austin;S. Babak;F. Badaracco;M. Bader;C. Badger;S. Bae;Y. Bae;A. Baer;S. Bagnasco;Y. Bai;J. Baird;R. Bajpai;T. Baka;M. Ball;G. Ballardin;S. Ballmer;A. Balsamo;G. Baltus;S. Banagiri;B. Banerjee;D. Bankar;J. Barayoga;C. Barbieri;B. Barish;D. Barker;P. Barneo;F. Barone;B. Barr;L. Barsotti;M. Barsuglia;D. Barta;J. Bartlett;M. Barton;I. Bartos;S. Basak;R. Bassiri;A. Basti;M. Bawaj;J. Bayley;M. Bazzan;B. Becher;B. B'ecsy;V. Bedakihale;F. Beirnaert;M. Bejger;I. Belahcene;V. Benedetto;D. Beniwal;M. Benjamin;T. Bennett;J. Bentley;M. BenYaala;S. Bera;M. Berbel;F. Bergamin;B. Berger;S. Bernuzzi;D. Bersanetti;A. Bertolini;J. Betzwieser;D. Beveridge;R. Bhandare;A. Bhandari;U. Bhardwaj;R. Bhatt;D. Bhattacharjee;S. Bhaumik;A. Bianchi;I. Bilenko;G. Billingsley;S. Bini;R. Birney;O. Birnholtz;S. Biscans;M. Bischi;S. Biscoveanu;A. Bisht;B. Biswas;M. Bitossi;M. Bizouard;J. Blackburn;C. Blair;D. Blair;R. Blair;F. Bobba;N. Bode;M. Boer;G. Bogaert;M. Boldrini;G. N. Bolingbroke;L. D. Bonavena;F. Bondu;E. Bonilla;R. Bonnand;P. Booker;B. A. Boom;R. Bork;V. Boschi;N. Bose;S. Bose;V. Bossilkov;V. Boudart;Y. Bouffanais;A. Bozzi;C. Bradaschia;P. Brady;A. Bramley;A. Branch;M. Branchesi;J. Brau;M. Breschi;T. Briant;J. Briggs;A. Brillet;M. Brinkmann;P. Brockill;A. Brooks;J. Brooks;D. Brown;S. 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Olivetto;K. Oohara;R. Oram;B. O'reilly;R. Ormiston;N. Ormsby;R. O’Shaughnessy;É. O’Shea;S. Oshino;S. Ossokine;C. Osthelder;S. Otabe;D. Ottaway;H. Overmier;A. Pace;G. Pagano;R. Pagano;M. Page;G. Pagliaroli;A. Pai;S. Pai;S. Pal;J. R. Palamos;O. Palashov;C. Palomba;H. Pan;K. Pan;P. Panda;P. T. Pang;C. Pankow;F. Pannarale;B. Pant;F. Panther;F. Paoletti;A. Paoli;A. Paolone;George Pappas;A. Parisi;H. Park;J. Park;W. Parker;D. Pascucci;A. Pasqualetti;R. Passaquieti;D. Passuello;M. Patel;M. Pathak;B. Patricelli;A. S. Patron;S. Paul;E. Payne;M. Pedraza;R. Pedurand;M. Pegoraro;A. Pele;F. Arellano;S. Penano;S. Penn;A. Perego;A. Pereira;T. Pereira;C. Perez;C. P'erigois;C. Perkins;A. Perreca;S. Perriès;D. Pesios;J. Petermann;D. Petterson;H. Pfeiffer;H. Pham;K. A. Pham;K. S. Phukon;H. Phurailatpam;O. Piccinni;M. Pichot;M. Piendibene;F. Piergiovanni;L. Pierini;V. Pierro;G. Pillant;M. Pillas;F. Pilo;L. Pinard;C. Pineda-Bosque;I. Pinto;M. Pinto;B. Piotrzkowski;K. Piotrzkowski;M. Pirello;A. Pisarski;M. Pitkin;A. Placidi;E. Placidi;M. L. Planas;W. Plastino;C. Pluchar;R. Poggiani;E. Polini;D. T. Pong;S. Ponrathnam;E. Porter;R. Poulton;A. Poverman;J. Powell;M. Pracchia;T. Pradier;A. K. Prajapati;K. Prasai;R. Prasanna;G. Pratten;M. Principe;G. Prodi;L. Prokhorov;P. Prosposito;L. Prudenzi;A. Puecher;M. Punturo;F. Puosi;P. Puppo;M. Purrer;H. Qi;N. Quartey;V. Quetschke;P. J. Quinonez;R. Quitzow-James;F. Raab;G. Raaijmakers;H. Radkins;N. Radulesco;P. Raffai;S. X. Rail;S. Raja;C. Rajan;K. Ramirez;T. Ramirez;A. Ramos-Buades;J. Rana;P. Rapagnani;A. Ray;V. Raymond;N. Raza;M. Razzano;J. Read;L. A. Rees;T. Regimbau;L. Rei;S. Reid;S. Reid;D. Reitze;P. Relton;A. Renzini;P. Rettegno;B. Revenu;A. Reza;M. Rezac;F. Ricci;D. Richards;J. Richardson;L. Richardson;G. Riemenschneider;K. Riles;S. Rinaldi;K. Rink;N. Robertson;R. Robie;F. Robinet;A. Rocchi;S. Rodriguez;L. Rolland;J. Rollins;M. Romanelli;R. Romano;C. Romel;A. Romero;I. Romero-Shaw;J. Romie;S. Ronchini;L. Rosa;C. Rose;D. Rosi'nska;M. Ross;S. Rowan;S. Rowlinson;S. Roy;S. Roy;S. Roy;D. Rozza;P. Ruggi;K. Ruiz-Rocha;K. Ryan;S. Sachdev;T. Sadecki;J. Sadiq;S. Saha;Y. Saito;K. Sakai;M. Sakellariadou;S. Sakon;O. Salafia;F. Salces-Carcoba;L. Salconi;M. Saleem;F. Salemi;A. Samajdar;E. Sanchez;J. H. Sánchez;L. Sanchez;N. Sanchis-Gual;J. Sanders;A. Sanuy;T. R. Saravanan;N. Sarin;B. Sassolas;H. Satari;O. Sauter;R. Savage;V. Savant;T. Sawada;H. Sawant;S. Sayah;D. Schaetzl;M. Scheel;J. Scheuer;M. Schiworski;P. Schmidt;S. Schmidt;R. Schnabel;M. Schneewind;R. Schofield;A. Schonbeck;B. Schulte;B. Schutz;E. Schwartz;J. Scott;S. Scott;M. Seglar-Arroyo;Y. Sekiguchi;D. Sellers;A. Sengupta;D. Sentenac;E. Seo;V. Sequino;A. Sergeev;Y. Setyawati;T. Shaffer;M. Shahriar;M. Shaikh;B. Shams;L. Shao;A. Sharma;P. Sharma;P. Shawhan;N. Shcheblanov;A. Sheela;Y. Shikano;M. Shikauchi;H. Shimizu;K. Shimode;H. Shinkai;T. Shishido;A. Shoda;D. Shoemaker;D. Shoemaker;S. Shyamsundar;M. Sieniawska;D. Sigg;L. Silenzi;L. Singer;D. Singh;M. Singh;N. Singh;A. Singha;A. Sintes;V. Sipala;V. Skliris;B. Slagmolen;T. Slaven-Blair;J. Smetana;J. R. Smith;L. Smith;R. Smith;J. Soldateschi;S. Somala;K. Somiya;I. Song;K. Soni;V. Sordini;F. Sorrentino;N. Sorrentino;R. Soulard;T. Souradeep;E. Sowell;V. Spagnuolo;A. Spencer;M. Spera;P. Spinicelli;A. Srivastava;V. Srivastava;K. Staats;C. Stachie;F. Stachurski;D. Steer;J. Steinlechner;S. Steinlechner;N. Stergioulas;D. Stops;M. Stover;K. Strain;L. Strang;G. Stratta;M. D. Strong;A. Strunk;R. Sturani;A. Stuver;M. Suchenek;S. Sudhagar;V. Sudhir;R. Sugimoto;H. Suh;A. G. Sullivan;T. Summerscales;L. Sun;S. Sunil;A. Sur;J. Suresh;P. Sutton;Takamasa Suzuki;Takanori Suzuki;Toshikazu Suzuki;B. Swinkels;M. J. Szczepa'nczyk;P. Szewczyk;M. Tacca;H. Tagoshi;S. Tait;H. Takahashi;R. Takahashi;S. Takano;H. Takeda;M. Takeda;C. Talbot;C. Talbot;K. Tanaka;Taiki Tanaka;Takahiro Tanaka;A. Tanasijczuk;S. Tanioka;D. Tanner;D. Tao;L. Tao;R. D. Tapia;E. Mart'in;C. Taranto;A. Taruya;J. Tasson;R. Tenorio;J. Terhune;L. Terkowski;M. Thirugnanasambandam;M. Thomas;P. Thomas;E. E. Thompson-E.;J. Thompson;S. R. Thondapu;K. Thorne;E. Thrane;S. Tiwari;S. Tiwari;V. Tiwari;A. Toivonen;A. Tolley;T. Tomaru;T. Tomura;M. Tonelli;Z. Tornasi;A. Torres-Forn'e;C. Torrie;I. T. E. Melo;D. Toyra;A. Trapananti;F. Travasso;G. Traylor;M. Trevor;M. Tringali;A. Tripathee;L. Troiano;A. Trovato;L. Trozzo;R. Trudeau;D. Tsai;K. W. Tsang;T. Tsang;J. Tsao;M. Tse;R. Tso;S. Tsuchida;L. Tsukada;D. Tsuna;T. Tsutsui;K. Turbang;M. Turconi;D. Tuyenbayev;A. Ubhi;N. Uchikata;T. Uchiyama;R. Udall;A. Ueda;T. Uehara;K. Ueno;G. Ueshima;C. Unnikrishnan;A. Urban;T. Ushiba;A. Utina;G. Vajente;A. Vajpeyi;G. Valdes;M. Valentini;V. Valsan;N. Bakel;M. Beuzekom;M. Dael;J. Brand;C. Broeck;D. Vander-Hyde;H. Haevermaet;J. V. Heijningen;M. Putten;N. Remortel;M. Vardaro;A. Vargas;V. Varma;M. Vas'uth;A. Vecchio;G. Vedovato;J. Veitch;P. Veitch;J. Venneberg;G. Venugopalan;D. Verkindt;P. Verma;Y. Verma;Sander M. Vermeulen;D. Veske;F. Vetrano;A. Vicer'e;S. Vidyant;A. Viets;A. Vijaykumar;V. Villa-Ortega;J. Vinet;A. Virtuoso;S. Vitale;H. Vocca;E. V. Reis;J. Wrangel;C. Vorvick;S. Vyatchanin;L. Wade;M. Wade;K. Wagner;R. Walet;M. Walker;G. Wallace;L. Wallace;J. Wang;J. Wang;W. H. Wang;R. Ward;J. Warner;M. Was;T. Washimi;N. Y. Washington;J. Watchi;B. Weaver;C. Weaving;S. Webster;M. Weinert;A. Weinstein;R. Weiss;C. Weller;R. Weller;F. Wellmann;L. Wen;P. Wessels;K. Wette;J. Whelan;D. White;B. Whiting;C. Whittle;D. Wilken;D. Williams;M. Williams;A. Williamson;J. Willis;B. Willke;D. Wilson;C. Wipf;T. Włodarczyk;G. Woan;J. Woehler;J. Wofford;D. Wong;I. C. Wong;M. Wright;C. Wu;D. Wu;H. Wu;D. Wysocki;L. Xiao;T. Yamada;H. Yamamoto;K. Yamamoto;T. Yamamoto;K. Yamashita;R. Yamazaki;F. Yang;K. Z. Yang;L. Yang;Y. Yang;Y. Yang;Yang Yang-Yang;M. Yap;D. Yeeles;S. Yeh;A. Yelikar;M. Ying;J. Yokoyama;T. Yokozawa;J. Yoo;T. Yoshioka;Hang Yu;Haocun Yu;H. Yuzurihara;A. Zadro.zny;M. Zanolin;S. Zeidler;T. Zelenova;J. Zendri;M. Zevin;M. Zhan;H. Zhang;J. Zhang;L. Zhang;R. Zhang;T. Zhang;Y. Zhang;C. Zhao;G. Zhao;Y. Zhao;Yue Zhao;R. Zhou;Z. Zhou;X. Zhu;Z. Zhu;M. Zucker;J. Zweizig

Search for Lensing Signatures in the Gravitational-Wave Observations from the First Half of LIGO–Virgo’s Third Observing Run

LIGO Virgo 第三次观测运行前半段的引力波观测中寻找透镜特征

• DOI: 10.3847/1538-4357/ac23db
• 发表时间: 2021
• 期刊: The Astrophysical Journal
• 作者: Abbott, R.;Abbott, T. D.;Abraham, S.;Acernese, F.;Ackley, K.;Adams, A.;Adams, C.;Adhikari, R. X.;Adya, V. B.;Affeldt, C.
• 通讯作者: Affeldt, C.

Observation of Gravitational Waves from Two Neutron Star-Black Hole Coalescences

• DOI: 10.3847/2041-8213/ac082e
• 发表时间: 2021-07-01
• 期刊: ASTROPHYSICAL JOURNAL LETTERS
• 影响因子: 7.9
• 作者: Abbott, R.;Abbott, T. D.;Zweizig, J.
• 通讯作者: Zweizig, J.