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Related papers: Dark Sector Physics at High-Intensity Experiments

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The evidence for the existence of dark matter in the universe is reviewed. A general picture emerges, where both baryonic and non-baryonic dark matter is needed to explain current observations. In particular, a wealth of observational…

High Energy Physics - Phenomenology · Physics 2009-07-09 L. Bergstrom

Neutron Stars (NSs), among the densest objects in the Universe, are exceptional laboratories for investigating Dark Matter (DM) properties. Recent theoretical and observational developments have heightened interest in exploring the impact…

High Energy Astrophysical Phenomena · Physics 2026-01-21 Francesco Grippa , Gaetano Lambiase , Tanmay Kumar Poddar

Well known scaling laws among the structural properties of the dark and the luminous matter in disc systems are too complex to be arisen by two inert components that just share the same gravitational field. This brings us to critically…

Astrophysics of Galaxies · Physics 2020-03-10 Paolo Salucci , Nicola Turini

We examine the embedding of dark energy in high energy models based upon supergravity and extend the usual phenomenological setting comprising an observable sector and a hidden supersymmetry breaking sector by including a third sector…

High Energy Physics - Theory · Physics 2009-10-02 Philippe Brax , Carsten van de Bruck , Jerome Martin , Anne-Christine Davis

Dark Matter is one of the most intriguing riddles of modern astrophysics. The Standard Cosmological Model implies that only 4.5% of the mass-energy of the Universe is baryonic matter and the remaining 95% is unknown. Of this remainder, 22%…

Instrumentation and Methods for Astrophysics · Physics 2010-11-19 Andrzej M. Szelc

In hidden sector models, dark matter does not directly couple to the particle content of the Standard Model, strongly suppressing rates at direct detection experiments, while still allowing for large signals from annihilation. In this…

High Energy Physics - Phenomenology · Physics 2020-08-25 Dan Hooper , Rebecca K. Leane , Yu-Dai Tsai , Shalma Wegsman , Samuel J. Witte

Within the framework of the Minimal Supersymmetric Standard Model (MSSM), we explore a decoupling of the parameters into separate sectors that determine consistency with collider data, the abundance of dark matter, and potential signatures…

High Energy Physics - Phenomenology · Physics 2016-07-27 Pearl Sandick

Recently Arkani-Hamed, Finkbeiner, Slatyer and Weiner proposed a unified explanation to the set of experimental and observational anomalies with possible connections to Dark Matter (DM). A central role is played by GeV scale "dark" gauge…

High Energy Physics - Phenomenology · Physics 2009-06-19 Andrey Katz , Raman Sundrum

Numerous observations on astrophysical and cosmological scales can be interpreted to mean that, in addition to the familiar kind of matter well described by the standard model of elementary particle physics, there exists Dark Matter (DM).…

High Energy Physics - Phenomenology · Physics 2024-12-05 Gaurav Goswami

Over the past several decades, unexpected astronomical discoveries have been fueling a new wave of particle model building and are inspiring the next generation of ever-more-sophisticated simulations to reveal the nature of Dark Matter…

More than one dark sector particle transforming under the same symmetry provides one stable dark matter (DM) component which undergoes co-annihilation with the heavier particle(s) decaying to DM. Specific assumptions on the kinematics and…

High Energy Physics - Phenomenology · Physics 2024-10-22 Subhaditya Bhattacharya , Lipika Kolay , Dipankar Pradhan

We present a new class of interacting dark sector models that can address the Hubble tension. Interacting dark radiation (DR) has previously been put forward as a solution to the problem, but this proposal is disfavored by the high-$\ell$…

High Energy Physics - Phenomenology · Physics 2024-11-15 Manuel A. Buen-Abad , Zackaria Chacko , Ina Flood , Can Kilic , Gustavo Marques-Tavares , Taewook Youn

The sensitivity to dark matter signals at neutrino experiments is fundamentally challenged by the neutrino rates, as they leave similar signatures in their detectors. As a way to improve the signal sensitivity, we investigate a dark matter…

High Energy Physics - Phenomenology · Physics 2024-11-28 Bhaskar Dutta , Doojin Kim , Shu Liao , Jong-Chul Park , Seodong Shin , Louis E. Strigari , Adrian Thompson

The identity of Dark Matter (DM) is one of the most captivating topics in particle physics today. The R-parity conserving Minimal Supersymmetric Standard Model (MSSM), which naturally provides a DM candidate in the form of the lightest…

High Energy Physics - Phenomenology · Physics 2018-01-15 Carlos Ávila , Andrés Flórez , Alfredo Gurrola , Dale Julson , Savanna Starko

Simplified models of light new physics provide a convenient benchmark for experimental searches for new physics signatures, including dark matter (DM). However, additional detection modes can arise in less simplified and more realistic…

High Energy Physics - Phenomenology · Physics 2024-08-20 Krzysztof Jodłowski , Leszek Roszkowski , Sebastian Trojanowski

We discuss the bounds on the mass of Dark Matter (DM) particles, coming from the analysis of DM phase-space distribution in dwarf spheroidal galaxies (dSphs). After reviewing the existing approaches, we choose two methods to derive such a…

High Energy Physics - Phenomenology · Physics 2009-03-31 Alexey Boyarsky , Oleg Ruchayskiy , Dmytro Iakubovskyi

Self-Interacting Dark Matter models can successfully explain dark matter (DM) production through interactions confined within the dark sector. However, they often lack measurable experimental signals due to their secluded nature. Including…

High Energy Physics - Phenomenology · Physics 2025-01-16 Esau Cervantes , Andrzej Hryczuk

The Nature of Dark Matter (DM), that constitutes approximately 25\% of the energy density in the Universe, is still eluding us. An intriguing possibility is that DM does indeed interacts with SM particles only gravitationally (the only mean…

High Energy Physics - Phenomenology · Physics 2026-03-03 Andrea Donini , Miguel G. Folgado , Alejandro Muñoz-Ovalle

The current standard model of cosmology - the {\ensuremath{\Lambda}}CDM model - is appropriately named after its controversial foreign ingredients: a cosmological constant ({\ensuremath{\Lambda}}) that accounts for the recent accelerated…

Cosmology and Nongalactic Astrophysics · Physics 2024-01-26 Elsa M. Teixeira

Well known scaling laws among the structural properties of the dark and the luminous matter in disc systems are too complex to be arisen by two inert components that just share the same gravitational field. This brings us to critically…

Cosmology and Nongalactic Astrophysics · Physics 2020-08-28 Paolo Salucci , Nicola Turini , Chiara Di Paolo