Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Maria Archidiacono"'
Autor:
Maria Archidiacono, Stefano Gariazzo
Publikováno v:
Universe, Vol 8, Iss 3, p 175 (2022)
The presence of light sterile neutrinos is one of the unanswered questions of particle physics. The cosmological counterpart is represented by dark radiation, i.e., any form of radiation present in the early Universe besides photons and standard (act
Externí odkaz:
https://doaj.org/article/0b4d0c679f644de28d4ad02f1ff1bc23
Publikováno v:
Advances in High Energy Physics, Vol 2013 (2013)
New measurements of the cosmic microwave background (CMB) by the Planck mission have greatly increased our knowledge about the universe. Dark radiation, a weakly interacting component of radiation, is one of the important ingredients in our cosmologi
Externí odkaz:
https://doaj.org/article/ad0b9079979f47429d64089f9e8b3af0
Autor:
Deanna C. Hooper, Nils Schöneberg, Riccardo Murgia, Maria Archidiacono, Julien Lesgourgues, Matteo Viel
Recent cosmological tensions have rekindled the search for models beyond $\Lambda$CDM that cause a suppression of the matter power spectrum. Due to the small scales accessible to Lyman-$\alpha$ data they are an excellent additional tool to probe such
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdb02d96d7fd1f737637edc157c5f53e
https://hdl.handle.net/2434/945892
https://hdl.handle.net/2434/945892
We initiate the exploration of the cosmology of dark fifth forces: new forces acting solely on Dark Matter. We focus on long range interactions which lead to an effective violation of the Equivalence Principle on cosmological scales today. At the mic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::720e3e4c082d35a920feef0659b1b5e2
http://arxiv.org/abs/2204.08484
http://arxiv.org/abs/2204.08484
Autor:
Mattia Atzori Corona, Riccardo Murgia, Matteo Cadeddu, Maria Archidiacono, Stefano Gariazzo, Carlo Giunti, Steen Hannestad
Publikováno v:
Atzori Corona, M, Murgia, R, Cadeddu, M, Archidiacono, M, Gariazzo, S, Giunti, C & Hannestad, S 2022, ' Pseudoscalar sterile neutrino self-interactions in light of Planck, SPT and ACT data ', Journal of Cosmology and Astroparticle Physics, vol. 2022, no. 6, 010 . https://doi.org/10.1088/1475-7516/2022/06/010
We reassess the viability of a cosmological model including a fourth additional sterile neutrino species that self-interacts through a new pseudoscalar degree of freedom. We perform a series of extensive analyses fitting various combinations of cosmi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13f304c24622b00e2b0cd3764a47acf5
http://arxiv.org/abs/2112.00037
http://arxiv.org/abs/2112.00037
Autor:
A. H. Wright, Christopher B. Morrison, Hendrik Hildebrandt, Ami Choi, Peter Schneider, Benjamin Giblin, Thomas Erben, Alexandra Amon, Mario Radovich, Cristóbal Sifón, F. Köhlinger, S. Brieden, Lance Miller, John A. Peacock, Catherine Heymans, Marika Asgari, Tilman Tröster, Henk Hoekstra, Chris Blake, Alexander Mead, J. L. van den Busch, Benjamin Joachimi, Arun Kannawadi, Maria Archidiacono, J. T. A. de Jong, Shahab Joudaki, Konrad Kuijken, M. Tewes
Publikováno v:
Astronomy & Astrophysics, 633, A69
Astronomy & Astrophysics
Digital.CSIC. Repositorio Institucional del CSIC
instname
Astronomy and astrophysics, 633:A69. EDP Sciences
Hildebrandt, H, Köhlinger, F, Busch, J L V D, Joachimi, B, Heymans, C, Kannawadi, A, Wright, A H, Asgari, M, Blake, C, Hoekstra, H, Joudaki, S, Kuijken, K, Miller, L, Morrison, C B, Tröster, T, Amon, A, Archidiacono, M, Brieden, S, Choi, A, Jong, J T A D, Erben, T, Giblin, B, Mead, A, Peacock, J A, Radovich, M, Schneider, P, Sifón, C & Tewes, M 2020, ' KiDS+VIKING-450 : Cosmic shear tomography with optical+infrared data ', Astronomy & Astrophysics, vol. 633, A69 . https://doi.org/10.1051/0004-6361/201834878
Astronomy & Astrophysics
Digital.CSIC. Repositorio Institucional del CSIC
instname
Astronomy and astrophysics, 633:A69. EDP Sciences
Hildebrandt, H, Köhlinger, F, Busch, J L V D, Joachimi, B, Heymans, C, Kannawadi, A, Wright, A H, Asgari, M, Blake, C, Hoekstra, H, Joudaki, S, Kuijken, K, Miller, L, Morrison, C B, Tröster, T, Amon, A, Archidiacono, M, Brieden, S, Choi, A, Jong, J T A D, Erben, T, Giblin, B, Mead, A, Peacock, J A, Radovich, M, Schneider, P, Sifón, C & Tewes, M 2020, ' KiDS+VIKING-450 : Cosmic shear tomography with optical+infrared data ', Astronomy & Astrophysics, vol. 633, A69 . https://doi.org/10.1051/0004-6361/201834878
We present a tomographic cosmic shear analysis of the Kilo-Degree Survey (KiDS) combined with the VISTA Kilo-Degree Infrared Galaxy Survey (VIKING). This is the first time that a full optical to near-infrared data set has been used for a wide-field c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f0d1912f3b1da9b88bcfbf5a0d1dc0a
https://doi.org/10.1051/0004-6361/201834878
https://doi.org/10.1051/0004-6361/201834878
Publikováno v:
Journal of Cosmology and Astroparticle Physics, 2019 (2
Theoretical uncertainties on non-linear scales are among the main obstacles to exploit the sensitivity of forthcoming galaxy and hydrogen surveys like Euclid or the Square Kilometre Array (SKA). Here, we devise a new method to model the theoretical e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4017e1da0b3f234a942555d7f12e025
https://hdl.handle.net/11392/2503098
https://hdl.handle.net/11392/2503098
Autor:
E. van Uitert, Julien Lesgourgues, F. Köhlinger, S. Brieden, Maria Archidiacono, Robert Reischke, Benjamin Joachimi, Björn Malte Schäfer, A. Spurio Mancini, Valeria Pettorino
Publikováno v:
Mon.Not.Roy.Astron.Soc.
Mon.Not.Roy.Astron.Soc., 2019, 490 (2), pp.2155-2177. ⟨10.1093/mnras/stz2581⟩
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2019, 490 (2), pp.2155-2177. ⟨10.1093/mnras/stz2581⟩
Mon.Not.Roy.Astron.Soc., 2019, 490 (2), pp.2155-2177. ⟨10.1093/mnras/stz2581⟩
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2019, 490 (2), pp.2155-2177. ⟨10.1093/mnras/stz2581⟩
We present constraints on Horndeski gravity from a combined analysis of cosmic shear, galaxy-galaxy lensing and galaxy clustering from $450\,\mathrm{deg}^2$ of the Kilo-Degree Survey (KiDS) and the Galaxy And Mass Assembly (GAMA) survey. The Horndesk
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bbd908533f6dfb1f64fb5e247eceefb
https://hal.archives-ouvertes.fr/hal-01999751
https://hal.archives-ouvertes.fr/hal-01999751
Autor:
Julien Lesgourgues, Maria Archidiacono, Riccardo Murgia, Matteo Viel, Sebastian Bohr, Deanna C. Hooper
Several interesting Dark Matter (DM) models invoke a dark sector leading to two types of relic particles, possibly interacting with each other: non-relativistic DM, and relativistic Dark Radiation (DR). These models have interesting consequences for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::341ddf09f26b63dcd53b55ad257bc817
http://hdl.handle.net/20.500.11767/104296
http://hdl.handle.net/20.500.11767/104296
Publikováno v:
Archidiacono, M, Hannestad, S & Lesgourgues, J 2020, ' What will it take to measure individual neutrino mass states using cosmology? ', Journal of Cosmology and Astroparticle Physics, vol. 2020, no. 9, 021 . https://doi.org/10.1088/1475-7516/2020/09/021
We study the impact of assumptions made about the neutrino mass ordering on cosmological parameter estimation with the purpose of understanding whether in the future it will be possible to infer the specific neutrino mass distribution from cosmologic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91eac38be814e7781bf98f2da5d5f88c
https://doi.org/10.1088/1475-7516/2020/09/021
https://doi.org/10.1088/1475-7516/2020/09/021