Report of the Topical Group on Cosmic Probes of Dark Matter for Snowmass 2021

Drlica-Wagner, A.; Prescod-Weinstein, Chanda; Yu, Haibo; Albert, A.; Banerjee, Arka; Baryakhtar, Masha; Bechtol, K.; Bird, Simeon; Birrer, Simon; Bringmann, Torsten; Caputo, R.; Chakrabarti, Sukanya; Chen, Thomas Y.; Croon, Djuna; Cyr-Racine, Francis-Yan; Dawson, William A.; Dvorkin, Cora; Gluscevic, Vera; Gilman, Daniel J.; Grin, Daniel; Hložek, Renée; Leane, Rebecca K.; Li, Ting S.; Mao, Yao-Yuan; Meyers, Joel; Mishra-Sharma, Siddharth; Muñoz, Julián B.; Munshi, Ferah; Nadler, Ethan O.; Parikh, Aditya; Perez, K.; Peter, Annika H. G.; Profumo, Stefano; Schutz, Katelin; Sehgal, Neelima; Simon, Joshua D.; Sinha, Kuver; Valluri, Monica

doi:10.48550/arxiv.2209.08215

Cited by 3 publications

(5 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…These measurements span an enormous range of scales from the observable universe to sub-stellar-mass systems (e.g., the matter power spectrum, the mass spectrum of DM halos, DM halo density profiles, and abundances of compact objects) [11][12][13]. Novel particle properties of DM (e.g., self-interactions, quantum wave features, tight couplings with radiation) can lead to observable signatures in the distribution of DM beyond the CDM prediction [11,14]. The HEP community should support measurements of the DM distribution as a key element of its Cosmic Frontier program.…”

Section: Particular Strengths and Capabilitiesmentioning

confidence: 99%

“…Figure 5 is an illustration of the complementarity between cosmological, astrophysical, and laboratory searches for sterile neutrino DM (as compiled by [34]), with complementary reach provided by a combination of indirect DM searches (CF01; [6]), cosmic probes of structure formation (CF03; [14]), and laboratory neutrino facilities (NF03; [83]). Indirect detection experiments searches for X-ray lines originating from the decay of keV mass sterile neutrinos.…”

Section: Sterile Neutrino Dark Mattermentioning

confidence: 99%

“…[5], future space-based MeV-band gamma-ray telescopes could potentially also have complementary sensitivity (with beam and direct-detection experiments) for MeV-scale DM candidates [99]. Cosmic probes of DM could identify a non-negligible DM self-interaction cross section and/or free-streaming length, both of which can naturally be large for light DM [14]. Ref.…”

Section: Selected Case Studies From Other Referencesmentioning

confidence: 99%

“…Ref. [14] likewise includes several case studies, highlighting Snowmass 2021 Cross Frontier Report: Dark Matter Complementarity (Extended Version) cosmic probes of axion-like particles that could provide a target mass for terrestrial axion searches; warm and self-interacting DM; and the prospect of detecting DM in the form of primordial black holes.…”

Section: Selected Case Studies From Other Referencesmentioning

confidence: 99%

See 3 more Smart Citations

Snowmass 2021 Cross Frontier Report: Dark Matter Complementarity (Extended Version)

Boveia¹,

Chen²,

Doglioni³

et al. 2022

Preprint

View full text Add to dashboard Cite

The fundamental nature of Dark Matter is a central theme of the Snowmass 2021 process, extending across all frontiers. In the last decade, advances in detector technology, analysis techniques and theoretical modeling have enabled a new generation of experiments and searches while broadening the types of candidates we can pursue. Over the next decade, there is great potential for discoveries that would transform our understanding of dark matter. In the following, we outline a road map for discovery developed in collaboration among the frontiers. A strong portfolio of experiments that delves deep, searches wide, and harnesses the complementarity between techniques is key to tackling this complicated problem, requiring expertise, results, and planning from all Frontiers of the Snowmass 2021 process. Note from the authors: This is the first version of the Cross-Frontier Complementarity report. We welcome feedback or changes (including constructive criticism) that you'd like us to take into account in the next version, on this google document.

show abstract

Section: Particular Strengths and Capabilitiesmentioning

confidence: 99%

Section: Sterile Neutrino Dark Mattermentioning

confidence: 99%

Section: Selected Case Studies From Other Referencesmentioning

confidence: 99%

Section: Selected Case Studies From Other Referencesmentioning

confidence: 99%

See 2 more Smart Citations

Snowmass 2021 Cross Frontier Report: Dark Matter Complementarity (Extended Version)

Boveia¹,

Chen²,

Doglioni³

et al. 2022

Preprint

View full text Add to dashboard Cite

show abstract

“…One such proposal is the QCD axion, a particle introduced to resolve the strong CP problem through the Pecci-Quinn mechanism [8,9]. These scalar particles have a mass of 10 −11 eV-10 0 eV for the QCD to be dark matter.…”

Section: Introductionmentioning

confidence: 99%

Simulations of multi-field ultralight axion-like dark matter

Glennon¹,

Musoke²,

Prescod-Weinstein³

2023

Preprint

View full text Add to dashboard Cite

As constraints on ultralight axion-like particles (ALPs) tighten, models with multiple species of ultralight ALP are of increasing interest. We perform simulations of two-ALP models with particles in the currently supported range [1] of plausible masses. The code we modified, UltraDark.jl, not only allows for multiple species of ultralight ALP with different masses, but also different self-interactions and inter-field interactions. This allows us to perform the first three-dimensional simulations of two-field ALPs with self-interactions and inter-field interactions. Our simulations show that having multiple species and interactions introduces different phenomenological effects as compared to a single field, non-interacting scenarios. In particular, we explore the dynamics of solitons. Interacting multi-species ultralight dark matter has different equilibrium density profiles as compared to single-species and/or non-interacting ultralight ALPs. As seen in earlier work [2], attractive interactions tend to contract the density profile while repulsive interactions spread out the density profile. We also explore collisions between solitons comprised of distinct axion species. We observe a lack of interference patterns in such collisions, and that resulting densities depend on the relative masses of the ALPs and their interactions.

show abstract

Turbocharging constraints on dark matter substructure through a synthesis of strong lensing flux ratios and extended lensed arcs

Gilman,

Birrer,

Nierenberg

et al. 2024

Monthly Notices of the Royal Astronomical Society

View full text Add to dashboard Cite

Strong gravitational lensing provides a purely gravitational means to infer properties of dark matter halos and thereby constrain the particle nature of dark matter. Strong lenses sometimes appear as four lensed images of a background quasar accompanied by spatially-resolved emission from the quasar host galaxy encircling the main deflector (lensed arcs). We present methodology to simultaneously reconstruct lensed arcs and relative image magnifications (flux ratios) in the presence of full populations of subhalos and line-of-sight halos. To this end, we develop a new approach for multi-plane ray tracing that accelerates lens mass and source light reconstruction by factors of ∼100 − 1000. Using simulated data, we show that simultaneous reconstruction of lensed arcs and flux ratios isolates small-scale perturbations to flux ratios by dark matter substructure from uncertainties associated with the main deflector mass profile on larger angular scales. Relative to analyses that use only image positions and flux ratios to constrain the lens model, incorporating arcs strengthens likelihood ratios penalizing warm dark matter (WDM) with a suppression scale mhm/M⊙ in the range [107 − 107.5], [107.5 − 108], [108 − 108.5], [108.5 − 109] by factors of 1.3, 2.5, 5.6, and 13.1, respectively, for a cold dark matter (CDM) ground truth. The 95% exclusion limit improves by 0.5 dex in log10mhm. The enhanced sensitivity to low-mass halos enabled by these methods pushes the observational frontier of substructure lensing to the threshold of galaxy formation, enabling stringent tests of any theory that alters the properties of dark matter halos.

show abstract

Report of the Topical Group on Cosmic Probes of Dark Matter for Snowmass 2021

Cited by 3 publications

References 0 publications

Snowmass 2021 Cross Frontier Report: Dark Matter Complementarity (Extended Version)

Snowmass 2021 Cross Frontier Report: Dark Matter Complementarity (Extended Version)

Simulations of multi-field ultralight axion-like dark matter

Turbocharging constraints on dark matter substructure through a synthesis of strong lensing flux ratios and extended lensed arcs

Contact Info

Product

Resources

About