Gravitational-wave physics with Cosmic Explorer: Limits to low-frequency sensitivity

Evan D. Hall; Kevin Kuns; Joshua R. Smith; Yuntao Bai; Christopher Wipf; Sebastien Biscans; Rana X. Adhikari; Koji Arai; Stefan Ballmer; Lisa Barsotti; Yanbei Chen; Matthew Evans; Peter Fritschel; Jan Harms; Brittany Kamai; Jameson Graef Rollins; David Shoemaker; Bram J.J. Slagmolen; Rainer Weiss; Hiro Yamamoto

doi:10.1103/PhysRevD.103.122004

Gravitational-wave physics with Cosmic Explorer: Limits to low-frequency sensitivity

Evan D. Hall, Kevin Kuns, Joshua R. Smith, Yuntao Bai, Christopher Wipf, Sebastien Biscans, Rana X. Adhikari, Koji Arai, Stefan Ballmer, Lisa Barsotti, Yanbei Chen, Matthew Evans, Peter Fritschel, Jan Harms, Brittany Kamai, Jameson Graef Rollins, David Shoemaker, Bram J.J. Slagmolen, Rainer Weiss, Hiro Yamamoto

Department of Physics

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

45 Scopus citations

Abstract

Cosmic Explorer is a next-generation ground-based gravitational-wave observatory concept, envisioned to begin operation in the 2030s and expected to be capable of observing binary neutron star and black hole mergers back to the time of the first stars. Cosmic Explorer's sensitive band will extend below 10 Hz, where the design is predominantly limited by geophysical, thermal, and quantum noises. In this work, thermal, seismic, gravity-gradient, quantum, residual gas, scattered-light, and servo-control noises are analyzed in order to motivate facility and vacuum system design requirements, potential test mass suspensions, Newtonian noise reduction strategies, improved inertial sensors, and cryogenic control requirements. Our analysis shows that, with improved technologies, Cosmic Explorer can deliver a strain sensitivity better than 10-23 Hz-1/2 down to 5 Hz. Our work refines and extends previous analysis of the Cosmic Explorer concept and outlines the key research areas needed to make this observatory a reality.

Original language	English (US)
Article number	122004
Journal	Physical Review D
Volume	103
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevD.103.122004
State	Published - Jun 15 2021

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Hall, E. D., Kuns, K., Smith, J. R., Bai, Y., Wipf, C., Biscans, S., Adhikari, R. X., Arai, K., Ballmer, S., Barsotti, L., Chen, Y., Evans, M., Fritschel, P., Harms, J., Kamai, B., Rollins, J. G., Shoemaker, D., Slagmolen, B. J. J., Weiss, R., & Yamamoto, H. (2021). Gravitational-wave physics with Cosmic Explorer: Limits to low-frequency sensitivity. Physical Review D, 103(12), Article 122004. https://doi.org/10.1103/PhysRevD.103.122004

Hall, ED, Kuns, K, Smith, JR, Bai, Y, Wipf, C, Biscans, S, Adhikari, RX, Arai, K, Ballmer, S, Barsotti, L, Chen, Y, Evans, M, Fritschel, P, Harms, J, Kamai, B, Rollins, JG, Shoemaker, D, Slagmolen, BJJ, Weiss, R & Yamamoto, H 2021, 'Gravitational-wave physics with Cosmic Explorer: Limits to low-frequency sensitivity', Physical Review D, vol. 103, no. 12, 122004. https://doi.org/10.1103/PhysRevD.103.122004

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abstract = "Cosmic Explorer is a next-generation ground-based gravitational-wave observatory concept, envisioned to begin operation in the 2030s and expected to be capable of observing binary neutron star and black hole mergers back to the time of the first stars. Cosmic Explorer's sensitive band will extend below 10 Hz, where the design is predominantly limited by geophysical, thermal, and quantum noises. In this work, thermal, seismic, gravity-gradient, quantum, residual gas, scattered-light, and servo-control noises are analyzed in order to motivate facility and vacuum system design requirements, potential test mass suspensions, Newtonian noise reduction strategies, improved inertial sensors, and cryogenic control requirements. Our analysis shows that, with improved technologies, Cosmic Explorer can deliver a strain sensitivity better than 10-23 Hz-1/2 down to 5 Hz. Our work refines and extends previous analysis of the Cosmic Explorer concept and outlines the key research areas needed to make this observatory a reality.",

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AU - Kamai, Brittany

AU - Rollins, Jameson Graef

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Gravitational-wave physics with Cosmic Explorer: Limits to low-frequency sensitivity

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