English
Related papers

Related papers: Decoding Dark Matter Substructure without Supervis…

200 papers

The prospects for detecting a candidate supersymmetric dark matter particle at the LHC are reviewed, and compared with the prospects for direct and indirect searches for astrophysical dark matter, on the basis of a frequentist analysis of…

High Energy Physics - Phenomenology · Physics 2010-11-02 John Ellis

Observations of structure at sub-galactic scales are crucial for probing the properties of dark matter, which is the dominant source of gravity in the universe. It will become increasingly important for future surveys to distinguish between…

Cosmology and Nongalactic Astrophysics · Physics 2022-08-15 Atınç Çağan Şengül , Cora Dvorkin , Bryan Ostdiek , Arthur Tsang

The unambiguous detection of Galactic dark matter annihilation would unravel one of the most outstanding puzzles in particle physics and cosmology. Recent observations have motivated models in which the annihilation rate is boosted by the…

Astrophysics of Galaxies · Physics 2010-01-26 M. Kuhlen , P. Madau , J. Silk

We investigate the need and prospects for measuring dark matter properties at particle collider experiments. We discuss the connections between the inferred properties of particle dark matter and the physics that is expected to be uncovered…

High Energy Physics - Phenomenology · Physics 2009-11-11 Andreas Birkedal

Observations of density profiles of galaxies and clusters constrain the properties of dark matter. Formation of stable halos by collisional fluids with very low mass particles appears as the most probable interpretation, while halos formed…

General Physics · Physics 2011-04-14 Ernst Fischer

This paper reviews statistical methods recently developed to reconstruct and analyze dark matter mass maps from weak lensing observations. The field of weak lensing is motivated by the observations made in the last decades showing that the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 S. Pires , J. -L. Starck , A. Refregier

Dark matter candidates such as weakly-interacting massive particles are predicted to annihilate or decay into Standard Model particles leaving behind distinctive signatures in gamma rays, neutrinos, positrons, antiprotons, or even…

High Energy Astrophysical Phenomena · Physics 2017-06-01 Jan Conrad , Olaf Reimer

Detecting the dark matter annihilation signal from Galactic substructure, or subhalos, is an important challenge for high-energy gamma-ray experiments. In this paper we discuss detection prospects by combining two different aspects of the…

Astrophysics of Galaxies · Physics 2010-12-24 Eric J. Baxter , Scott Dodelson , Savvas M. Koushiappas , Louis E. Strigari

The Dark Matter present in the Large-Scale Structure of the Universe is invisible, but its presence can be inferred through the small gravitational lensing effect it has on the images of far away galaxies. By measuring this lensing effect…

Cosmology and Nongalactic Astrophysics · Physics 2020-11-18 Benjamin Remy , Francois Lanusse , Zaccharie Ramzi , Jia Liu , Niall Jeffrey , Jean-Luc Starck

Dark matter is, arguably, the most widely discussed topic in contemporary particle physics. Written in the language of particle physics and quantum field theory, these notes focus on a set of standard calculations needed to understand…

High Energy Physics - Phenomenology · Physics 2018-11-26 Martin Bauer , Tilman Plehn

We review how dark matter is distributed in our local neighbourhood from an observational and theoretical perspective. We will start by describing first the dark matter halo of our own galaxy and in the Local Group. Then we proceed to…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Gustavo Yepes , Stefan Gottloeber , Yehuda Hoffman

The indirect detection of dark matter annihilation and decay using observations of photons, charged cosmic rays, and neutrinos offers a promising means of identifying the particle nature of this elusive component of the universe. The last…

High Energy Astrophysical Phenomena · Physics 2016-11-23 Jennifer M. Gaskins

The dark matter problem is almost a century old. Since the 1930s evidence has been growing that our cosmos is dominated by a new form of non-baryonic matter, that holds galaxies and clusters together and influences cosmic structures up to…

Cosmology and Nongalactic Astrophysics · Physics 2018-01-25 Laura Baudis

The arrival times, positions, and fluxes of multiple images in strong lens systems can be used to infer the presence of dark subhalos in the deflector, and thus test predictions of cold dark matter models. However, gravitational lensing…

Cosmology and Nongalactic Astrophysics · Physics 2017-03-16 Daniel Gilman , Adriano Agnello , Tommaso Treu , Charles R. Keeton , Anna M. Nierenberg

Astrophysical observations provide compelling evidence for gravitationally interacting dark matter in the universe that cannot be explained by the standard model of particle physics. The extraordinary amount of data from the CERN LHC…

High Energy Physics - Experiment · Physics 2025-04-08 CMS Collaboration

Dark matter may consist of weakly interacting elementary particles or of macroscopic compact objects. We show that the statistics of the gravitational lensing of high redshift supernovae strongly discriminate between these two classes of…

Astrophysics · Physics 2015-06-24 R. Benton Metcalf , Joseph Silk

If the cosmic dark matter consists of weakly-interacting massive particles, these particles should be produced in reactions at the next generation of high-energy accelerators. Measurements at these accelerators can then be used to determine…

High Energy Physics - Phenomenology · Physics 2008-11-26 Edward A. Baltz , Marco Battaglia , Michael E. Peskin , Tommer Wizansky

Dark halo substructure may reveal itself through secondary, small-scale gravitational lensing effects on light sources that are macrolensed by a foreground galaxy. Here, we explore the prospects of using Very Long Baseline Interferometry…

Machine learning has the potential to improve the reconstruction of the dark matter profile of galaxies with respect to traditional methods, like rotation curves. We demonstrate on the simulation suite Illustris-TNG that a steerable…

Astrophysics of Galaxies · Physics 2025-10-23 Martín de los Rios , Serafina Di Gioia , Fabio Iocco , Roberto Trotta

Strong lensing in galaxy clusters probes properties of dense cores of dark matter halos in mass, studies the distant universe at flux levels and spatial resolutions otherwise unavailable, and constrains cosmological models independently.…

Instrumentation and Methods for Astrophysics · Physics 2023-01-04 Peng Jia , Ruiqi Sun , Nan Li , Yu Song , Runyu Ning , Hongyan Wei , Rui Luo