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Related papers: Loosely Bound Composite Dark Matter

200 papers

We explore the possibility that bound states involving dark matter particles could be detected by resonance searches at the LHC, and the generic implications of such scenarios for indirect and direct detection. We demonstrate that resonance…

High Energy Physics - Phenomenology · Physics 2018-08-29 Gilly Elor , Hongwan Liu , Tracy R. Slatyer , Yotam Soreq

The paper presents a novel approach to the description of the nonrelativistic weak interaction of a massive neutral particle (lepton) and a nucleus, in which the latter retains its integrity. The cross section of such a process is a sum of…

High Energy Physics - Phenomenology · Physics 2023-05-10 V. A. Bednyakov

We propose that dark matter is composed of particles that naturally have the correct thermal relic density, but have neither weak-scale masses nor weak interactions. These WIMPless models emerge naturally from gauge-mediated supersymmetry…

High Energy Physics - Phenomenology · Physics 2009-01-10 Jonathan L. Feng , Jason Kumar

We study the direct detection prospects for a representative set of simplified models of sub-GeV dark matter (DM), accounting for existing terrestrial, astrophysical and cosmological constraints. We focus on dark matter lighter than an MeV,…

High Energy Physics - Phenomenology · Physics 2018-01-03 Simon Knapen , Tongyan Lin , Kathryn M. Zurek

Strongly-interacting dark matter can be accumulated in large quantities inside the Earth, and for dark matter particles in a few GeV mass range, it can exist in large quantities near the Earth's surface. We investigate the constraints…

High Energy Physics - Phenomenology · Physics 2024-07-09 Yohei Ema , Maxim Pospelov , Anupam Ray

We show that direct dark matter detection experiments can distinguish between pointlike and non-pointlike dark-matter candidates. The shape of the nuclear recoil energy spectrum from pointlike dark-matter particles, e.g., neutralinos, is…

High Energy Physics - Phenomenology · Physics 2009-11-07 Graciela Gelmini , Alexander Kusenko , Shmuel Nussinov

Dark matter may form bound states in a dark sector with an attractive force between two dark matter particles. Searches for dark matter at colliders can differ dramatically from routine searches if bound states, dubbed darkonia, are…

High Energy Physics - Phenomenology · Physics 2025-06-19 Yang Bai , Susanne Westhoff

Motivated by the collisionless cold dark matter small scale structure problem, we propose an asymmetric dark matter model where dark matter particle interact with each other via a massive dark gauge boson. This model easily avoid the strong…

High Energy Physics - Phenomenology · Physics 2023-05-31 Zien Chen , Kairui Ye , Mengchao Zhang

In anomaly-mediated supersymmetry breaking, superpartners in a hidden sector have masses that are proportional to couplings squared, and so naturally freeze out with the desired dark matter relic density for a large range of masses. We…

High Energy Physics - Phenomenology · Physics 2014-10-03 Jonathan L. Feng , Vikram Rentala , Ze'ev Surujon

We revisit the detection of luminous dark matter in direct detection experiments. In this scenario, dark matter scatters endothermically to produce an excited state, which decays to produce a photon. We explore ways in which the electron…

High Energy Physics - Phenomenology · Physics 2022-11-17 Nicole F. Bell , James B. Dent , Bhaskar Dutta , Jason Kumar , Jayden L. Newstead

Sub-GeV Dark Matter particles upscattered by cosmic rays gain enough kinetic energy to pass the thresholds of large volume detectors on Earth. We then use public Super-Kamiokande and MiniBooNE data to derive a novel limit on the scattering…

High Energy Physics - Phenomenology · Physics 2019-05-15 Yohei Ema , Filippo Sala , Ryosuke Sato

Direct detection of nuclear recoils due to sub-GeV dark matter is challenging because of the small kinetic energy of the light dark matter particles. Although limits down to a few hundred MeV have been reached using specially designed low…

When atoms come together and bond, we call these new states molecules, and their properties determine many aspects of our daily life. Strangely enough, it is conceivable for light and molecules to bond, creating new hybrid light-matter…

Materials Science · Physics 2018-02-19 Branko Kolaric , Bjorn Maes , Koen Clays , Thomas Durt , Yves Caudano

The more we go deep into the knowledge of the dark component which embeds the stellar component of galaxies, the more we realize the profound interconnection between them. We show that the scaling laws among the structural properties of the…

Cosmology and Nongalactic Astrophysics · Physics 2017-07-05 Paolo Salucci , Nicola Turini

Dark matter could be made up of dark photons, massive but very light particles whose interactions with matter resemble those of usual photons but suppressed by a small mixing parameter. We analyze the main approaches to dark photon…

High Energy Physics - Phenomenology · Physics 2019-09-13 C. Álvarez-Luna , J. A. R. Cembranos

The idea that dark matter may be a composite state of a hidden nonabelian gauge sector has received great attention in recent years. Frameworks such as asymmetric dark matter motivate the idea that dark matter may have similar mass to the…

High Energy Physics - Phenomenology · Physics 2017-09-21 Stephen J. Lonsdale , Martine Schroor , Raymond R. Volkas

As cosmology has entered a phase of precision experiments, the content of the universe has been established to contain interesting and not yet fully understood components, namely dark energy and dark matter. While the cause and exact nature…

High Energy Physics - Phenomenology · Physics 2015-06-25 Lars Bergstrom

We study the phase-space structure of a dark-matter halo formed in a high resolution simulation of a Lambda CDM cosmology. Our goal is to quantify how much substructure is left over from the inhomogeneous growth of the halo, and how it may…

Astrophysics · Physics 2009-09-25 Amina Helmi , Simon D. M. White , Volker Springel

We review theoretically well-motivated dark-matter candidates, and pathways to their discovery, in the light of recent results from collider physics, astrophysics, and cosmology. Taken in aggregate, these encourage broader thinking in…

High Energy Physics - Phenomenology · Physics 2015-06-15 Susan Gardner , George Fuller

We study the case of multi-component dark matter, in particular how direct detection signals are modified in the presence of several stable weakly-interacting-massive particles. Assuming a positive signal in a future direct detection…

High Energy Physics - Phenomenology · Physics 2017-11-29 Juan Herrero-Garcia , Andre Scaffidi , Martin White , Anthony G. Williams