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学術論文

Science with the Einstein Telescope: a comparison of different designs

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Dietrich,  Tim
Multi-messenger Astrophysics of Compact Binaries, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;
Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

/persons/resource/persons266523

Maggio,  Elisa
Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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2303.15923.pdf
(プレプリント), 17MB

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引用

Branchesi, M., Maggiore, M., Alonso, D., Badger, C., Banerjee, B., Beirnaert, F., Bhagwat, S., Boileau, G., Borhanian, S., Brown, D. D., Chan, M. L., Cusin, G., Danilishin, S. L., Degallaix, J., De Luca, V., Dhani, A., Dietrich, T., Dupletsa, U., Foffa, S., Franciolini, G., Freise, A., Gemme, G., Goncharov, B., Ghosh, A., Gulminelli, F., Gupta, I., Gupta, P. K., Harms, J., Hazra, N., Hild, S., Hinderer, T., Heng, I. S., Iacovelli, F., Janquart, J., Janssens, K., Jenkins, A. C., Kalaghatgi, C., Koroveshi, X., Li, T. G. F., Li, Y., Loffredo, E., Maggio, E., Mancarella, M., Mapelli, M., Martinovic, K., Maselli, A., Meyers, P., Miller, A. L., Mondal, C., Muttoni, N., Narola, H., Oertel, M., Oganesyan, G., Pacilio, C., Palomba, C., Pani, P., Pasqualetti, A., Perego, A., Pèrigois, C., Pieroni, M., Piccinni, O. J., Puecher, A., Puppo, P., Ricciardone, A., Riotto, A., Ronchini, S., Sakellariadou, M., Samajdar, A., Santoliquido, F., Sathyaprakash, B. S., Steinlechner, J., Steinlechner, S., Utina, A., Broeck, C. V. D., & Zhang, T. (2023). Science with the Einstein Telescope: a comparison of different designs. Journal of Cosmology and Astroparticle Physics, 2023:. doi:10.1088/1475-7516/2023/07/068.


引用: https://hdl.handle.net/21.11116/0000-000C-F288-9
要旨
The Einstein Telescope (ET), the European project for a third-generation
gravitational-wave detector, has a reference configuration based on a
triangular shape consisting of three nested detectors with 10 km arms, where in
each arm there is a `xylophone' configuration made of an interferometer tuned
toward high frequencies, and an interferometer tuned toward low frequencies and
working at cryogenic temperature. Here, we examine the scientific perspectives
under possible variations of this reference design. We perform a detailed
evaluation of the science case for a single triangular geometry observatory,
and we compare it with the results obtained for a network of two L-shaped
detectors (either parallel or misaligned) located in Europe, considering
different choices of arm-length for both the triangle and the 2L geometries. We
also study how the science output changes in the absence of the low-frequency
instrument, both for the triangle and the 2L configurations. We examine a broad
class of simple `metrics' that quantify the science output, related to compact
binary coalescences, multi-messenger astronomy and stochastic backgrounds, and
we then examine the impact of different detector designs on a more specific set
of scientific objectives.