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In this thesis, we investigate various possibilities of Weakly Interacting Massive Particle (WIMP) dark matter (DM) and their implications. These possibilities are important because they challenge the viability of WIMP DM in light of tight…

High Energy Physics - Phenomenology · Physics 2024-03-04 Shivam Gola

Weakly interacting massive particles (WIMPs) can self-annihilate, thus providing us with a way to indirectly detect dark matter (DM). Dwarf spheroidal (dSph) galaxies are excellent places to search for annihilation signals because they are…

Cosmology and Nongalactic Astrophysics · Physics 2023-06-09 L. Gajović , F. Welzmüller , V. Heesen , F. de Gasperin , M. Vollmann , M. Brüggen , A. Basu , R. Beck , D. J. Schwarz , D. J. Bomans , A. Drabent

In this note the ILC's capabilities for detecting WIMPs and measuring their properties are studied. The expected signal cross section is derived in a model-independent way from the observed relic density of Dark Matter. Signal events are…

High Energy Physics - Experiment · Physics 2009-02-02 C. Bartels , J. List

We present the latest results from the search for light dark matter particle interactions with the DarkSide-50 dual-phase liquid argon time projection chamber. This analysis, based on the ionization signal only, improves the existing limits…

High Energy Physics - Experiment · Physics 2024-07-18 D. Franco

DARWIN (dark matter wimp search with noble liquids) is a design study for a next-generation, multi-ton dark matter detector in Europe. Liquid argon and/or liquid xenon are the target media for the direct detection of dark matter candidates…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Laura Baudis

Weakly Interacting Massive Particles (WIMPs) are well-established dark matter candidates. WIMP interactions with sensitive detectors are expected to display a characteristic annual modulation in rate. We release a dataset spanning 3.4 years…

Dark matter may be composed of superWIMPs, superweakly-interacting massive particles produced in the late decays of other particles. We focus here on the well-motivated supersymmetric example of gravitino LSPs. Gravitino superWIMPs share…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jonathan L. Feng , Arvind Rajaraman , Bryan T. Smith , Shufang Su , Fumihiro Takayama

Several ideas for new physics beyond the standard model may provide particle candidates for the dark matter in the Galactic halo. The two leading candidates are an axion and a weakly-interacting massive particle (WIMP), such as the…

High Energy Physics - Phenomenology · Physics 2008-02-03 Marc Kamionkowski

In this paper we consider the properties of the 10 confirmed by the LIGO Collaboration gravitational wave signals from the black hole mergers. We want to explain non-observation of electromagnetic counterpart and higher then expected…

General Relativity and Quantum Cosmology · Physics 2019-06-26 Revaz Beradze , Merab Gogberashvili

We want to explain non-observation of electromagnetic counterpart of currently confirmed ten gravitational wave signals from the black hole mergers assuming their existence in the hidden mirror universe. Mirror matter, which interacts with…

General Relativity and Quantum Cosmology · Physics 2019-06-18 Revaz Beradze , Merab Gogberashvili

We use the non-observation of strong lensing of gravitational waves (GWs) in the first three observation runs of LIGO-Virgo detectors to constrain the fraction of dark matter in the form of compact objects in the mass range…

General Relativity and Quantum Cosmology · Physics 2024-05-28 A. Barsode , S. J. Kapadia , P. Ajith

I will begin by reviewing the evidence for Dark Matter in the Universe, as well as the candidates for dark matter. At most 20% of the dark matter in galaxies can be in the form of MACHOs (Massive Compact Halo Objects); the remainder appears…

Astrophysics · Physics 2008-11-26 Katherine Freese

We study the prospects for detecting Weakly Interacting Massive Particles (WIMPs), in a number of phenomenological scenarios, with a detector composed of a target simultaneously sensitive to both spin-dependent and spin-independent…

Astrophysics · Physics 2008-11-26 G. Bertone , D. G. Cerdeno , J. I. Collar , B. Odom

We compare the measured angular cross-correlation between the Fermi-LAT gamma-ray sky and catalogues of extra-galactic objects with the expected signal induced by weakly interacting massive particle (WIMP) dark matter (DM). We include a…

High Energy Astrophysical Phenomena · Physics 2016-10-20 Alessandro Cuoco , Jun-Qing Xia , Marco Regis , Enzo Branchini , Nicolao Fornengo , Matteo Viel

More and more claims of having detected WIMP dark matter are being put forward. Some are discussed here, stressing the importance of exploiting distinctive signatures to ascertain their WIMP origin. The best signals for WIMP discovery are…

High Energy Physics - Phenomenology · Physics 2007-05-23 Paolo Gondolo

In the WIMP scenario, there is a one-to-one relation between the dark matter (DM) relic density and spin independent direct detection rate if both the annihilation of DM and its elastic scattering on nuclei go dominantly through Higgs…

High Energy Physics - Phenomenology · Physics 2009-01-06 Sarah Andreas , Thomas Hambye , Michel H. G. Tytgat

Weakly Interacting Massive Particles (WIMPs) are the candidates of dark matter in our universe. Up to now any direct interaction of WIMP with nuclei has not been observed yet. The exclusion limits of the spin-independent cross section of…

The potential for detecting DM at the Compact Linear Collider (CLIC) is investigated at \mbox{$\sqrt{s}=$ 3 TeV}. The sensitivity of the search is estimated by computing the 95\% confidence level upper limit cross section as a function of…

High Energy Physics - Experiment · Physics 2021-03-16 J-J. Blaising , P. Roloff , A. Sailer , U. Schnoor

Weakly Interacting Massive Particles (WIMPs) are an attractive candidate for the dark matter thought to make up the bulk of the mass of our universe. We explore here the possibility of using a low pressure negative ion drift chamber to…

Astrophysics · Physics 2009-12-30 D. P. Snowden-Ifft , C. J. Martoff , J. M. Burwell

The worldwide race towards direct dark matter detection in the form of Weakly Interacting Massive Particles (WIMPs) has been dramatically accelerated by the remarkable progress and evolution of liquid xenon time projection chambers…

Instrumentation and Methods for Astrophysics · Physics 2012-06-28 Elena Aprile , XENON1T collaboration