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The evidence for the dark matter of the hot big bang cosmology is about as good as it gets in natural science. The exploration of its nature is now led by direct and indirect detection experiments, to be complemented by advances in the full…

Cosmology and Nongalactic Astrophysics · Physics 2017-03-15 P. J. E. Peebles

Recent searches for dark matter (DM) produced in association with top quarks from the ATLAS and CMS experiments using data collected between 2015 and 2018 are presented. These comprise searches from both experiments for DM in association…

High Energy Physics - Experiment · Physics 2025-01-13 Dominic Stafford

Dark matter represents currently an outstanding problem in both cosmology and particle physics. In this review we discuss the possible explanations for dark matter and the experimental observables which can eventually lead to the discovery…

High Energy Physics - Phenomenology · Physics 2021-04-26 A. Arbey , F. Mahmoudi

This proceeding presents searches for Dark Matter particles produced in association with top quarks at the LHC. The searches are performed by the ATLAS and CMS collaborations and various models and topologies are investigated. They are…

High Energy Physics - Experiment · Physics 2017-01-12 Jeremy Andrea

The unfortunate case where the Large Hadron Collider (LHC) fails to discover physics Beyond the Standard Model (BSM) is sometimes referred to as the "Nightmare scenario" of particle physics. We study the consequences of this hypothetical…

High Energy Astrophysical Phenomena · Physics 2012-01-05 Gianfranco Bertone , Daniel Cumberbatch , Roberto Ruiz de Austri , Roberto Trotta

A brief overview is given of the phenomenology of particle dark matter and the properties of some of the most widely studied dark matter candidates. Recent developments in direct and indirect dark matter searches are discussed.

Cosmology and Nongalactic Astrophysics · Physics 2010-03-25 Pearl Sandick

Dark Matter (DM) is an elusive form of matter which has been postulated to explain astronomical observations through its gravitational effects on stars and galaxies, gravitational lensing of light around these, and through its imprint on…

High Energy Physics - Phenomenology · Physics 2016-06-07 James Bateman , Ian McHardy , Alexander Merle , Tim R. Morris , Hendrik Ulbricht

The problem of the dark matter in the universe is reviewed. A short history of the subject is given, and several of the most obvious particle candidates for dark matter are identified. Particular focus is given to weakly interacting,…

High Energy Astrophysical Phenomena · Physics 2012-06-15 Lars Bergström

In single-component theories of dark matter, the $2\to 2$ amplitudes for dark-matter production, annihilation, and scattering can be related to each other through various crossing symmetries. These crossing relations lie at the heart of the…

High Energy Physics - Phenomenology · Physics 2015-03-05 Keith R. Dienes , Jason Kumar , Brooks Thomas , David Yaylali

We use ATLAS and CMS searches in the mono-jet + missing energy and mono-photon + missing energy final state to set limits on the couplings of dark matter to quarks and gluons. Working in an effective field theory framework we compare…

High Energy Physics - Phenomenology · Physics 2014-06-10 Patrick J. Fox , Roni Harnik , Joachim Kopp , Yuhsin Tsai

Starting from the evidence that dark matter indeed exists and permeates the entire cosmos, various bounds on its properties can be estimated. Beginning with the cosmic microwave background and large scale structure, we summarize bounds on…

High Energy Physics - Phenomenology · Physics 2022-12-28 David J. E. Marsh , Sebastian Hoof

Collider signatures with top quarks provide sensitive probes of dark matter (DM) production at the Large Hadron Collider (LHC). In this article, we review the results of DM searches in final states with top quarks conducted by the ATLAS and…

High Energy Physics - Experiment · Physics 2023-02-14 J. Katharina Behr , Alexander Grohsjean

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

Exploring dark matter via observations of extreme astrophysical environments -- defined here as heavy compact objects such as white dwarfs, neutron stars, and black holes, as well as supernovae and compact object merger events -- has been a…

The results are presented from searches with the CMS experiment for directly-produced dark matter particles. All these searches use the full LHC Run-I dataset of ~20/fb of proton-proton collisions at 8TeV centre-of-mass energy. Final states…

High Energy Physics - Experiment · Physics 2019-08-13 Steven Lowette

In this paper we review the main theoretical and experimental achievements in the field of Dark Matter from the Cosmological and Astrophysical point of view. We revisit it from the very first surveys of local astrophysical matter, up to the…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-14 Vladimir Lukovic , Paolo Cabella , Nicola Vittorio

I will review the present status of Dark Matter searches. The experimental scenario is presently very active and controversial, as some experiments do find positive signals, while others set strong limits. More data are needed, and a…

Instrumentation and Methods for Astrophysics · Physics 2013-01-04 F. Arneodo

I provide a short review of the current status of indirect dark matter searches with gamma rays, charged cosmic rays and neutrinos. For each case I will focus on various excesses reported in the literature which have been interpreted as…

High Energy Astrophysical Phenomena · Physics 2020-05-20 Alessandro Cuoco

Cosmology offers opportunities to test Dark Matter independently of its interactions with the Standard Model. We study the imprints of long-range forces acting solely in the dark sector on the distribution of galaxies, the so-called Large…

Cosmology and Nongalactic Astrophysics · Physics 2024-08-01 Salvatore Bottaro , Emanuele Castorina , Marco Costa , Diego Redigolo , Ennio Salvioni

We analyse a combination of ATLAS and CMS searches for dijet resonances at run I and run II, presenting the results in a way that can be easily applied to a generic Z' model. As an illustrative example, we consider a simple model of a Z'…

High Energy Physics - Phenomenology · Physics 2017-02-06 Malcolm Fairbairn , John Heal , Felix Kahlhoefer , Patrick Tunney