Sensitivity and performance of the Advanced LIGO detectors in the third 
observing run

Buikema, A.; Cahillane, C.; Mansell, G. L.; Blair, C. D.; Abbott, R.; Adams, C.; Adhikari, R. X.; Ananyeva, A.; Appert, S.; Arai, K.; Areeda, J. S.; Asali, Y.; Aston, S. M.; Austin, C.; Baer, A. M.; Ball, M.; Ballmer, S. W.; Banagiri, S.; Barker, D.; Barsotti, L.; Bartlett, J.; Berger, B. K.; Betzwieser, J.; Bhattacharjee, D.; Billingsley, G.; Biscans, S.; Blair, R. M.; Bode, N.; Booker, P.; Bork, R.; Bramley, A.; Brooks, A. F.; Brown, D. D.; Cannon, K. C.; Chen, X.; Ciobanu, A. A.; Clara, F.; Cooper, S. J.; Corley, K. R.; Countryman, S. T.; Covas, P. B.; Coyne, D. C.; Datrier, L. E. H.; Davis, D.; Di Fronzo, C.; Dooley, K. L.; Driggers, J. C.; Dupej, P.; Dwyer, S. E.; Effler, A.; Etzel, T.; Evans, M.; Evans, T. M.; Feicht, J.; Fernandez-Galiana, A.; Fritschel, P.; Frolov, V. V.; Fulda, P.; Fyffe, M.; Giaime, J. A.; Giardina, K. D.; Godwin, P.; Goetz, E.; Gras, S.; Gray, C.; Gray, R.; Green, A. C.; Gustafson, E. K.; Gustafson, R.; Hanks, J.; Hanson, J.; Hardwick, T.; Hasskew, R. K.; Heintze, M. C.; Helmling-Cornell, A. F.; Holland, N. A.; Jones, J. D.; Kandhasamy, S.; Karki, S.; Kasprzack, M.; Kawabe, K.; Kijbunchoo, N.; King, P. J.; Kissel, J. S.; Kumar, Rahul; Landry, M.; Lane, B. B.; Lantz, B.; Laxen, M.; Lecoeuche, Y. K.; Leviton, J.; Liu, J.; Lormand, M.; Lundgren, A. P.; Macas, R.; MacInnis, M.; Macleod, D. M.; Márka, S.; Márka, Z.; Martynov, D. V.; Mason, K.; Massinger, T. J.; Matichard, F.; Mavalvala, N.; McCarthy, R.; McClelland, D. E.; McCormick, S.; McCuller, L.; McIver, J.; McRae, T.; Mendell, G.; Merfeld, K.; Merilh, E. L.; Meylahn, F.; Mistry, T.; Mittleman, R.; Moreno, G.; Mow-Lowry, C. M.; Mozzon, S.; Mullavey, A.; Nelson, T. J. N.; Nguyen, P.; Nuttall, L. K.; Oberling, J.; Oram, Richard J.; Osthelder, C.; Ottaway, D. J.; Overmier, H.; Palamos, J. R.; Parker, W.; Payne, E.; Pele, A.; Penhorwood, R.; Perez, C. J.; Pirello, M.; Radkins, H.; Ramirez, K. E.; Richardson, J. W.; Riles, K.; Robertson, N. A.; Rollins, J. G.; Romel, C. L.; Romie, J. H.; Ross, M. P.; Ryan, K.; Sadecki, T.; Sanchez, E. J.; Sanchez, L. E.; Saravanan, T. R.; Savage, R. L.; Schaetzl, D.; Schnabel, R.; Schofield, R. M. S.; Schwartz, E.; Sellers, D.; Shaffer, T.; Sigg, D.; Slagmolen, B. J. J.; Smith, J. R.; Soni, S.; Sorazu, B.; Spencer, A. P.; Strain, K. A.; Sun, L.; Szczepańczyk, M. J.; Thomas, M.; Thomas, P.; Thorne, K. A.; Toland, K.; Torrie, C. I.; Traylor, G.; Tse, M.; Urban, A. L.; Vajente, G.; Valdes, G.; Vander-Hyde, D. C.; Veitch, P. J.; Venkateswara, K.; Venugopalan, G.; Viets, A. D.; Vo, T.; Vorvick, C.; Wade, M.; Ward, R. L.; Warner, J.; Weaver, B.; Weiss, R.; Whittle, C.; Willke, B.; Wipf, C. C.; Xiao, L.; Yamamoto, H.; Yu, Hang; Yu, Haocun; Zhang, L.; Zucker, M. E.; Zweizig, J.

doi:10.1103/PhysRevD.102.062003

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Sensitivity and performance of the Advanced LIGO detectors in the third observing run

Buikema, A., Cahillane, C., Mansell, G. L., Blair, C. D., Abbott, R., Adams, C., et al. (2020). Sensitivity and performance of the Advanced LIGO detectors in the third observing run. Physical Review D, 102(6): 062003. doi:10.1103/PhysRevD.102.062003.

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Buikema, A., Author
Cahillane, C., Author
Mansell, G. L., Author
Blair, C. D., Author
Abbott, R., Author
Adams, C., Author
Adhikari, R. X., Author
Ananyeva, A., Author
Appert, S., Author
Arai, K., Author
Areeda, J. S., Author
Asali, Y., Author
Aston, S. M., Author
Austin, C., Author
Baer, A. M., Author
Ball, M., Author
Ballmer, S. W., Author
Banagiri, S., Author
Barker, D., Author
Barsotti, L., Author
Bartlett, J., AuthorBerger, B. K., AuthorBetzwieser, J., AuthorBhattacharjee, D., AuthorBillingsley, G., AuthorBiscans, S., AuthorBlair, R. M., AuthorBode, N.¹, Author Booker, P.¹, AuthorBork, R., AuthorBramley, A., AuthorBrooks, A. F., AuthorBrown, D. D., AuthorCannon, K. C., AuthorChen, X., AuthorCiobanu, A. A., AuthorClara, F., AuthorCooper, S. J., AuthorCorley, K. R., AuthorCountryman, S. T., AuthorCovas, P. B., AuthorCoyne, D. C., AuthorDatrier, L. E. H., AuthorDavis, D., AuthorDi Fronzo, C., AuthorDooley, K. L., AuthorDriggers, J. C., AuthorDupej, P., AuthorDwyer, S. E., AuthorEffler, A., AuthorEtzel, T., AuthorEvans, M., AuthorEvans, T. M., AuthorFeicht, J., AuthorFernandez-Galiana, A., AuthorFritschel, P., AuthorFrolov, V. V., AuthorFulda, P., AuthorFyffe, M., AuthorGiaime, J. A., AuthorGiardina, K. D., AuthorGodwin, P., AuthorGoetz, E., AuthorGras, S., AuthorGray, C., AuthorGray, R., AuthorGreen, A. C., AuthorGustafson, E. K., AuthorGustafson, R., AuthorHanks, J., AuthorHanson, J., AuthorHardwick, T., AuthorHasskew, R. K., AuthorHeintze, M. C., AuthorHelmling-Cornell, A. F., AuthorHolland, N. A., AuthorJones, J. D., AuthorKandhasamy, S., AuthorKarki, S., AuthorKasprzack, M., AuthorKawabe, K., AuthorKijbunchoo, N., AuthorKing, P. J., AuthorKissel, J. S., AuthorKumar, Rahul, AuthorLandry, M., AuthorLane, B. B., AuthorLantz, B., AuthorLaxen, M., AuthorLecoeuche, Y. K., AuthorLeviton, J., AuthorLiu, J.¹, Author Lormand, M., AuthorLundgren, A. P., AuthorMacas, R., AuthorMacInnis, M., AuthorMacleod, D. M., AuthorMárka, S., AuthorMárka, Z., AuthorMartynov, D. V., AuthorMason, K., AuthorMassinger, T. J., AuthorMatichard, F., AuthorMavalvala, N., AuthorMcCarthy, R., AuthorMcClelland, D. E., AuthorMcCormick, S., AuthorMcCuller, L., AuthorMcIver, J., AuthorMcRae, T., AuthorMendell, G., AuthorMerfeld, K., AuthorMerilh, E. L., AuthorMeylahn, F.¹, Author Mistry, T., AuthorMittleman, R., AuthorMoreno, G., AuthorMow-Lowry, C. M., AuthorMozzon, S., AuthorMullavey, A., AuthorNelson, T. J. N., AuthorNguyen, P., AuthorNuttall, L. K., AuthorOberling, J., AuthorOram, Richard J., AuthorOsthelder, C., AuthorOttaway, D. J., AuthorOvermier, H., AuthorPalamos, J. R., AuthorParker, W., AuthorPayne, E., AuthorPele, A., AuthorPenhorwood, R., AuthorPerez, C. J., AuthorPirello, M., AuthorRadkins, H., AuthorRamirez, K. E., AuthorRichardson, J. W., AuthorRiles, K., AuthorRobertson, N. A., AuthorRollins, J. G., AuthorRomel, C. L., AuthorRomie, J. H., AuthorRoss, M. P., AuthorRyan, K., AuthorSadecki, T., AuthorSanchez, E. J., AuthorSanchez, L. E., AuthorSaravanan, T. R., AuthorSavage, R. L., AuthorSchaetzl, D., AuthorSchnabel, R., AuthorSchofield, R. M. S., AuthorSchwartz, E., AuthorSellers, D., AuthorShaffer, T., AuthorSigg, D., AuthorSlagmolen, B. J. J., AuthorSmith, J. R., AuthorSoni, S., AuthorSorazu, B., AuthorSpencer, A. P., AuthorStrain, K. A., AuthorSun, L., AuthorSzczepańczyk, M. J., AuthorThomas, M., AuthorThomas, P., AuthorThorne, K. A., AuthorToland, K., AuthorTorrie, C. I., AuthorTraylor, G., AuthorTse, M., AuthorUrban, A. L., AuthorVajente, G., AuthorValdes, G., AuthorVander-Hyde, D. C., AuthorVeitch, P. J., AuthorVenkateswara, K., AuthorVenugopalan, G., AuthorViets, A. D., AuthorVo, T., AuthorVorvick, C., AuthorWade, M., AuthorWard, R. L., AuthorWarner, J., AuthorWeaver, B., AuthorWeiss, R., AuthorWhittle, C., AuthorWillke, B.¹, Author Wipf, C. C., AuthorXiao, L., AuthorYamamoto, H., AuthorYu, Hang, AuthorYu, Haocun, AuthorZhang, L., AuthorZucker, M. E., AuthorZweizig, J., Author more..

Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010

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Free keywords: Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM

Abstract: On April 1st, 2019, the Advanced Laser Interferometer Gravitational-Wave
Observatory (aLIGO), joined by the Advanced Virgo detector, began the third
observing run, a year-long dedicated search for gravitational radiation. The
LIGO detectors have achieved a higher duty cycle and greater sensitivity to
gravitational waves than ever before, with LIGO Hanford achieving
angle-averaged sensitivity to binary neutron star coalescences to a distance of
111 Mpc, and LIGO Livingston to 134 Mpc with duty factors of 74.6% and 77.0%
respectively. The improvement in sensitivity and stability is a result of
several upgrades to the detectors, including doubled intracavity power, the
addition of an in-vacuum optical parametric oscillator for squeezed-light
injection, replacement of core optics and end reaction masses, and installation
of acoustic mode dampers. This paper explores the purposes behind these
upgrades, and explains to the best of our knowledge the noise currently
limiting the sensitivity of each detector.

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Dates: Created: 2020-08-03Date issued: 2020

Publication Status: Issued

Pages: 28 pages, 11 figures

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Identifiers: arXiv: 2008.01301
URI: http://arxiv.org/abs/2008.01301
DOI: 10.1103/PhysRevD.102.062003

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Title: Physical Review D

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Pages: - Volume / Issue: 102 (6) Sequence Number: 062003 Start / End Page: - Identifier: -