Particle dark matter: Evidence, candidates and constraints
TLDR
The current status of particle dark matter, including experimental evidence and theoretical motivations, including direct and indirect detection techniques, is discussed in this paper. But the authors focus on neutralinos in models of supersymmetry and Kaluza-Klein dark matter in universal extra dimensions.About:
This article is published in Physics Reports.The article was published on 2005-01-01 and is currently open access. It has received 4614 citations till now. The article focuses on the topics: Warm dark matter & Light dark matter.read more
Citations
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Gamma-rays from decaying dark matter
TL;DR: In this article, the authors studied the prospects for detecting gamma-rays from decaying dark matter (DM), focusing in particular on gravitino DM in R-parity breaking vacua.
Journal ArticleDOI
Strong Constraints on Fuzzy Dark Matter from Ultrafaint Dwarf Galaxy Eridanus II
TL;DR: In this paper, the effect of core oscillations in the fuzzy dark matter (FDM) model on star clusters has been investigated and shown to lead to an increase in their size over time.
Journal ArticleDOI
Dark matter and a new gauge boson through kinetic mixing
TL;DR: In this paper, the authors considered a hidden sector model of dark matter which is charged under a hidden U(1) − ε -gauge symmetry and showed that the spin-independent elastic cross section of the dark matter off nucleons is mostly below the current experimental limits, but within the future sensitivity.
Journal ArticleDOI
GeV-scale thermal WIMPs: Not even slightly ruled out
Abstract: Weakly interacting massive particles (WIMPs) have long reigned as one of the leading classes of dark matter candidates. The observed dark matter abundance can be naturally obtained by freezeout of weak-scale dark matter annihilations in the early Universe. This ``thermal WIMP'' scenario makes direct predictions for the total annihilation cross section that can be tested in present-day experiments. While the dark matter mass constraint can be as high as ${m}_{\ensuremath{\chi}}\ensuremath{\gtrsim}100\text{ }\text{ }\mathrm{GeV}$ for particular annihilation channels, the constraint on the total cross section has not been determined. We construct the first model-independent limit on the WIMP total annihilation cross section, showing that allowed combinations of the annihilation-channel branching ratios considerably weaken the sensitivity. For thermal WIMPs with $s$-wave $2\ensuremath{\rightarrow}2$ annihilation to visible final states, we find the dark matter mass is only known to be ${m}_{\ensuremath{\chi}}\ensuremath{\gtrsim}20\text{ }\text{ }\mathrm{GeV}$. This is the strongest largely model-independent lower limit on the mass of thermal-relic WIMPs; together with the upper limit on the mass from the unitarity bound (${m}_{\ensuremath{\chi}}\ensuremath{\lesssim}100\text{ }\text{ }\mathrm{TeV}$), it defines what we call the ``WIMP window.'' To probe the remaining mass range, we outline ways forward.
Journal ArticleDOI
Dark Matter Candidates - Axions, Neutralinos, Gravitinos, and Axinos
TL;DR: For the axion, the neutralino, the gravitino, and the axino, the authors reviewed primordial production mechanisms, cosmological and astrophysical constraints, experimental searches, and prospects for experimental identification.
References
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First year Wilkinson Microwave Anisotropy Probe (WMAP) observations: Determination of cosmological parameters
David N. Spergel,Licia Verde,Hiranya V. Peiris,Eiichiro Komatsu,M. R. Nolta,Charles L. Bennett,Mark Halpern,Gary Hinshaw,N. Jarosik,Alan J. Kogut,Michele Limon,Michele Limon,S. S. Meyer,Lyman A. Page,Gregory S. Tucker,Gregory S. Tucker,Gregory S. Tucker,Janet L. Weiland,Edward J. Wollack,Edward L. Wright +19 more
TL;DR: In this article, the authors find that the emerging standard model of cosmology, a flat -dominated universe seeded by a nearly scale-invariant adiabatic Gaussian fluctuations, fits the WMAP data.
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Large Mass Hierarchy from a Small Extra Dimension
TL;DR: In this paper, the weak scale is generated from the Planck scale through an exponential hierarchy, but this exponential arises not from gauge interactions but from the background metric, which is a slice of spacetime.
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The Structure of cold dark matter halos
TL;DR: In this article, high-resolution N-body simulations show that the density profiles of dark matter halos formed in the standard CDM cosmogony can be fit accurately by scaling a simple universal profile.
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The Early Universe
Edward W. Kolb,Michael S. Turner +1 more
TL;DR: In this article, the Robertson-Walker Metric is used to measure the radius of the Planck Epoch in the expanding universe, which is a measure of the number of atoms in the universe.
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The Hierarchy problem and new dimensions at a millimeter
TL;DR: In this paper, the authors propose a new framework for solving the hierarchy problem which does not rely on either supersymmetry or technicolor, and they take as the only fundamental short distance scale in nature.
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