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Line intensity mapping (LIM) is emerging as a powerful technique to map the cosmic large-scale structure and to probe cosmology over a wide range of redshifts and spatial scales. We perform Fisher forecasts to determine the optimal design…

宇宙学与河外天体物理 · 物理学 2022-03-02 Azadeh Moradinezhad Dizgah , Garrett K. Keating , Kirit S. Karkare , Abigail Crites , Shouvik Roy Choudhury

Measuring the total neutrino mass is one of the most exciting opportunities available with next-generation cosmological data sets. We study the possibility of detecting the total neutrino mass using large-scale clustering in 21cm intensity…

宇宙学与河外天体物理 · 物理学 2022-01-19 Mario Ballardini , Roy Maartens

We study the possibility to use line-intensity mapping (LIM) to seek photons from the radiative decay of neutrinos in the cosmic neutrino background. The Standard Model prediction for the rate for these decays is extremely small, but it can…

高能物理 - 唯象学 · 物理学 2021-10-25 José Luis Bernal , Andrea Caputo , Francisco Villaescusa-Navarro , Marc Kamionkowski

Line-Intensity Mapping (LIM) has emerged as a powerful technique for studying large-scale structure and the high-redshift universe, enabling three-dimensional maps of line emission across vast cosmological volumes. In this review, we…

宇宙学与河外天体物理 · 物理学 2026-02-04 Tzu-Ching Chang , Adam Lidz

Line intensity mapping (LIM) is an emerging observational method to study the large-scale structure of the Universe and its evolution. LIM does not resolve individual sources but probes the fluctuations of integrated line emissions. A…

星系天体物理 · 物理学 2020-06-03 Kana Moriwaki , Nina Filippova , Masato Shirasaki , Naoki Yoshida

Line-intensity mapping (LIM) is an emerging technique to probe the large-scale structure of the Universe. By targeting the integrated intensity of specific spectral lines, it captures the emission from all sources and is sensitive to the…

宇宙学与河外天体物理 · 物理学 2023-09-15 Gabriela Sato-Polito , Nickolas Kokron , José Luis Bernal

In the incoming years, cosmological surveys aim at measuring the sum of neutrino masses $\Sigma m_\nu$, complementing the determination of their mass ordering from laboratory experiments. In order to assess the full potential of large-scale…

宇宙学与河外天体物理 · 物理学 2025-01-30 Davide Racco , Pierre Zhang , Henry Zheng

Line intensity mapping (LIM) can provide a powerful means to constrain the theory of gravity and the nature of dark energy at low and high redshifts by mapping the large-scale structure (LSS) over many redshift epochs. In this paper, we…

宇宙学与河外天体物理 · 物理学 2023-04-18 Azadeh Moradinezhad Dizgah , Emilio Bellini , Garrett K. Keating

Line intensity mapping (LIM) proposes to efficiently observe distant faint galaxies and map the matter density field at high redshift. Building upon the formalism in the companion paper, we first highlight the degeneracies between cosmology…

宇宙学与河外天体物理 · 物理学 2021-06-29 Emmanuel Schaan , Martin White

Line intensity mapping (LIM) is a promising observational method to probe large-scale fluctuations of line emission from distant galaxies. Data from wide-field LIM observations allow us to study the large-scale structure of the universe as…

星系天体物理 · 物理学 2021-01-13 Kana Moriwaki , Masato Shirasaki , Naoki Yoshida

Next-generation tests of fundamental physics and cosmology using large scale structure require measurements over large volumes of the Universe, including high redshifts inaccessible to present-day surveys. Line intensity mapping, an…

宇宙学与河外天体物理 · 物理学 2022-03-15 Kirit S. Karkare , Azadeh Moradinezhad Dizgah , Garrett K. Keating , Patrick Breysse , Dongwoo T. Chung

Line intensity mapping (LIM) is a rapidly emerging technique for constraining cosmology and galaxy formation using multi-frequency, low angular resolution maps. Many LIM applications crucially rely on cross-correlations of two line…

宇宙学与河外天体物理 · 物理学 2021-06-29 Emmanuel Schaan , Martin White

Line intensity mapping (LIM) is a promising approach to study star formation and the interstellar medium (ISM) in galaxies by measuring the aggregate line emission from the entire galaxy population. In this work, we develop a simple yet…

星系天体物理 · 物理学 2020-01-08 Guochao Sun , Brandon S. Hensley , Tzu-Ching Chang , Olivier Doré , Paolo Serra

Future cosmological measurements should enable the sum of neutrino masses to be determined indirectly through their effects on the expansion rate of the Universe and the clustering of matter. We consider prospects for the gravitationally…

宇宙学与河外天体物理 · 物理学 2015-12-30 Rupert Allison , Paul Caucal , Erminia Calabrese , Joanna Dunkley , Thibaut Louis

The field of millimetre-wave line-intensity mapping (LIM) is seeing increased experimental activity with pathfinder surveys already deployed or deploying in the next few years, making spectroscopic measurements of unresolved atomic and…

宇宙学与河外天体物理 · 物理学 2022-04-27 Dongwoo T Chung

Laboratory experiments measuring neutrino oscillations, indicate small mass differences between different mass eigenstates of neutrinos. The absolute mass scale is however not determined, with at present the strongest upper limits coming…

宇宙学与河外天体物理 · 物理学 2011-07-04 Charles Jose , Saumyadip Samui , Kandaswamy Subramanian , Raghunathan Srianand

Line intensity mapping (LIM) is an emerging technique in measuring galaxy evolution and the large-scale structure of the universe. LIM surveys measure the cumulative emission from all galaxies emitting a given line at a particular redshift,…

宇宙学与河外天体物理 · 物理学 2022-04-05 Trevor M. Oxholm

We calculate the sensitivity of future cosmic microwave background probes and large scale structure measurements from galaxy redshift surveys to the neutrino mass. We find that, for minimal models with few parameters, a measurement of the…

天体物理学 · 物理学 2010-10-27 Steen Hannestad , Yvonne Y. Y. Wong

We explore the constraining power of future 21cm intensity mapping (IM) observations at the SKAO, focusing primarily on the sum of neutrino masses, $\Sigma m_\nu$. We forecast observations of the 21cm IM auto-power spectrum as well as the…

宇宙学与河外天体物理 · 物理学 2025-04-29 Gabriele Autieri , Maria Berti , Marta Spinelli , Balakrishna Sandeep Haridasu , Matteo Viel

Line intensity mapping (LIM) is rapidly emerging as a powerful technique to study galaxy formation and cosmology in the high-redshift Universe. We present LIM estimates of select spectral lines originating from the interstellar medium (ISM)…

宇宙学与河外天体物理 · 物理学 2022-06-23 Rahul Kannan , Aaron Smith , Enrico Garaldi , Xuejian Shen , Mark Vogelsberger , Rüdiger Pakmor , Volker Springel , Lars Hernquist
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