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Cosmology with a SKA HI intensity mapping survey

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Cosmology with a SKA HI intensity mapping survey. / Santos, Mario G.; Bull, Philip; Alonso, David; Camera, Stefano; Ferreira, Pedro G.; Bernardi, Gianni; Maartens, Roy; Viel, Matteo; Villaescusa-Navarro, Francisco; Abdalla, Filipe B.; Jarvis, J. Matt; Metcalf, R. Benton; Pourtsidou, A.; Wolz, Laura.

In: Proceedings of Science, Vol. 9-13-June-2014, 019, 06.2014.

Research output: Contribution to journalArticle

Harvard

Santos, MG, Bull, P, Alonso, D, Camera, S, Ferreira, PG, Bernardi, G, Maartens, R, Viel, M, Villaescusa-Navarro, F, Abdalla, FB, Jarvis, JM, Metcalf, RB, Pourtsidou, A & Wolz, L 2014, 'Cosmology with a SKA HI intensity mapping survey', Proceedings of Science, vol. 9-13-June-2014, 019. <https://pos.sissa.it/215/019/>

APA

Santos, M. G., Bull, P., Alonso, D., Camera, S., Ferreira, P. G., Bernardi, G., Maartens, R., Viel, M., Villaescusa-Navarro, F., Abdalla, F. B., Jarvis, J. M., Metcalf, R. B., Pourtsidou, A., & Wolz, L. (2014). Cosmology with a SKA HI intensity mapping survey. Proceedings of Science, 9-13-June-2014, [019]. https://pos.sissa.it/215/019/

Vancouver

Santos MG, Bull P, Alonso D, Camera S, Ferreira PG, Bernardi G et al. Cosmology with a SKA HI intensity mapping survey. Proceedings of Science. 2014 Jun;9-13-June-2014. 019.

Author

Santos, Mario G. ; Bull, Philip ; Alonso, David ; Camera, Stefano ; Ferreira, Pedro G. ; Bernardi, Gianni ; Maartens, Roy ; Viel, Matteo ; Villaescusa-Navarro, Francisco ; Abdalla, Filipe B. ; Jarvis, J. Matt ; Metcalf, R. Benton ; Pourtsidou, A. ; Wolz, Laura. / Cosmology with a SKA HI intensity mapping survey. In: Proceedings of Science. 2014 ; Vol. 9-13-June-2014.

Bibtex

@article{8efc5eae6aa446bf90e5851e9feeb70e,
title = "Cosmology with a SKA HI intensity mapping survey",
abstract = "HI intensity mapping (IM) is a novel technique capable of mapping the large-scale structure of the Universe in three dimensions and delivering exquisite constraints on cosmology, by using HI as a biased tracer of the dark matter density field. This is achieved by measuring the intensity of the redshifted 21cm line over the sky in a range of redshifts without the requirement to resolve individual galaxies. In this chapter, we investigate the potential of SKA1 to deliver HI intensity maps over a broad range of frequencies and a substantial fraction of the sky. By pinning down the baryon acoustic oscillation and redshift space distortion features in the matter power spectrum - Thus determining the expansion and growth history of the Universe - These surveys can provide powerful tests of dark energy models and modifications to General Relativity. They can also be used to probe physics on extremely large scales, where precise measurements of spatial curvature and primordial non-Gaussianity can be used to test inflation; on small scales, by measuring the sum of neutrino masses; and at high redshifts where non-standard evolution models can be probed. We discuss the impact of foregrounds as well as various instrumental and survey design parameters on the achievable constraints. In particular we analyse the feasibility of using the SKA1 autocorrelations to probe the large-scale signal.",
author = "Santos, {Mario G.} and Philip Bull and David Alonso and Stefano Camera and Ferreira, {Pedro G.} and Gianni Bernardi and Roy Maartens and Matteo Viel and Francisco Villaescusa-Navarro and Abdalla, {Filipe B.} and Jarvis, {J. Matt} and Metcalf, {R. Benton} and A. Pourtsidou and Laura Wolz",
year = "2014",
month = jun,
language = "English",
volume = "9-13-June-2014",
journal = "Proceedings of Science",
issn = "1824-8039",
publisher = "Scuola Internazionale Superiore di Studi Avanzati (SISSA)",

}

RIS

TY - JOUR

T1 - Cosmology with a SKA HI intensity mapping survey

AU - Santos, Mario G.

AU - Bull, Philip

AU - Alonso, David

AU - Camera, Stefano

AU - Ferreira, Pedro G.

AU - Bernardi, Gianni

AU - Maartens, Roy

AU - Viel, Matteo

AU - Villaescusa-Navarro, Francisco

AU - Abdalla, Filipe B.

AU - Jarvis, J. Matt

AU - Metcalf, R. Benton

AU - Pourtsidou, A.

AU - Wolz, Laura

PY - 2014/6

Y1 - 2014/6

N2 - HI intensity mapping (IM) is a novel technique capable of mapping the large-scale structure of the Universe in three dimensions and delivering exquisite constraints on cosmology, by using HI as a biased tracer of the dark matter density field. This is achieved by measuring the intensity of the redshifted 21cm line over the sky in a range of redshifts without the requirement to resolve individual galaxies. In this chapter, we investigate the potential of SKA1 to deliver HI intensity maps over a broad range of frequencies and a substantial fraction of the sky. By pinning down the baryon acoustic oscillation and redshift space distortion features in the matter power spectrum - Thus determining the expansion and growth history of the Universe - These surveys can provide powerful tests of dark energy models and modifications to General Relativity. They can also be used to probe physics on extremely large scales, where precise measurements of spatial curvature and primordial non-Gaussianity can be used to test inflation; on small scales, by measuring the sum of neutrino masses; and at high redshifts where non-standard evolution models can be probed. We discuss the impact of foregrounds as well as various instrumental and survey design parameters on the achievable constraints. In particular we analyse the feasibility of using the SKA1 autocorrelations to probe the large-scale signal.

AB - HI intensity mapping (IM) is a novel technique capable of mapping the large-scale structure of the Universe in three dimensions and delivering exquisite constraints on cosmology, by using HI as a biased tracer of the dark matter density field. This is achieved by measuring the intensity of the redshifted 21cm line over the sky in a range of redshifts without the requirement to resolve individual galaxies. In this chapter, we investigate the potential of SKA1 to deliver HI intensity maps over a broad range of frequencies and a substantial fraction of the sky. By pinning down the baryon acoustic oscillation and redshift space distortion features in the matter power spectrum - Thus determining the expansion and growth history of the Universe - These surveys can provide powerful tests of dark energy models and modifications to General Relativity. They can also be used to probe physics on extremely large scales, where precise measurements of spatial curvature and primordial non-Gaussianity can be used to test inflation; on small scales, by measuring the sum of neutrino masses; and at high redshifts where non-standard evolution models can be probed. We discuss the impact of foregrounds as well as various instrumental and survey design parameters on the achievable constraints. In particular we analyse the feasibility of using the SKA1 autocorrelations to probe the large-scale signal.

UR - http://www.scopus.com/inward/record.url?scp=84978977459&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:84978977459

VL - 9-13-June-2014

JO - Proceedings of Science

JF - Proceedings of Science

SN - 1824-8039

M1 - 019

ER -

ID: 7784167