Snowmass2021 Cosmic Frontier White Paper: Ultraheavy particle dark matter

Abstract

We outline the unique opportunities and challenges in the search for "ultraheavy" dark matter candidates with masses between roughly $10\mathrm{TeV}$ and the Planck scale $m_{\mathrm{pl}}\approx 10^{16}\mathrm{TeV}$. This mass range presents a wide and relatively unexplored dark matter parameter space, with a rich space of possible models and cosmic histories. We emphasize that both current detectors and new, targeted search techniques, via both direct and indirect detection, are poised to contribute to searches for ultraheavy particle dark matter in the coming decade. We highlight the need for new developments in this space, including new analyses of current and imminent direct and indirect experiments targeting ultraheavy dark matter and development of new, ultra-sensitive detector technologies like next-generation liquid noble detectors, neutrino experiments, and specialized quantum sensing techniques.

Solicited community whitepaper for the Snowmass2021 process (Cosmic frontier, particle dark matter working group). 10 pages, 3 figures, many references. Comments welcome. v2: minor revisions based on comments

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Cited by in corpus (22)

• Detection of Early-Universe Gravitational Wave Signatures and Fundamental Physics
• Recycled Dark Matter
• New constraints on ultraheavy dark matter from the LZ experiment
• Dark Matter Candidates and Searches
• Beyond Hawking evaporation of black holes formed by dark matter in compact stars
• Regurgitated Dark Matter
• Continuous Gravitational Waves: A New Window to Look for Heavy Non-annihilating Dark Matter
• Large Low Background kTon-Scale Liquid Argon Time Projection Chambers
• Neutrinos from Earth-Bound Dark Matter Annihilation
• Constraints on the dark sector from electroweak precision observables
• Superheavy Supersymmetric Dark Matter for the origin of KM3NeT Ultra-High Energy signal
• Diffuse X-Ray and Gamma-Ray Limits on Boson Stars that Interact with Nuclei
• Ruling out models of vector dark matter in asymptotically safe quantum gravity
• Cosmological gravity on all scales IV: 3x2pt Fisher forecasts for pixelised phenomenological modified gravity
• Mechanical Sensors for Ultraheavy Dark Matter Searches via Long-range Forces
• Seeking the nearest neutron stars using a new local electron density map
• Probing Superheavy Dark Matter with Exoplanets
• Listening for ultra-heavy dark matter with underwater acoustic detectors
• LHAASO Galactic Plane $\gamma$-rays Strongly Constrain Heavy Dark Matter
• Constraints on ultraheavy dark matter from the CDEX-10 experiment at the China Jinping Underground Laboratory
• Dark, deep, deconfining: Phase transitions in neutron stars as powerful probes of hidden sectors
• Manifestly Unitary Cosmological Perturbation Theory