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We propose a dedicated analysis approach for indirect Dark Matter searches with Imaging Air Cherenkov Telescopes. By using the full likelihood analysis, we take complete advantage of the distinct features expected in the gamma ray spectrum…

High Energy Astrophysical Phenomena · Physics 2012-10-19 Jelena Aleksic , Javier Rico , Manel Martinez

Imaging Atmospheric Cherenkov Telescope (IACT) searches for dark matter often perform observations in "wobble mode", i.e. collecting data from the signal region and from a corresponding background control region at the same time, enabling…

High Energy Astrophysical Phenomena · Physics 2019-05-22 Stefania Gori , Stefano Profumo , Bibhushan Shakya

In the last decades an incredible amount of evidence for the existence of dark matter (DM) has been accumulating. At the same time, many efforts have been undertaken to try to identify what dark matter is made of. Indirect searches look at…

High Energy Astrophysical Phenomena · Physics 2023-02-23 Aldo Morselli

In my contribution I review the status of indirect detection of dark matter with gamma-rays, including results of the Fermi Gamma-ray Space Telescope as well as Imaging Air Cherenkov Telescopes (IACT), like H.E.S.S., MAGIC and VERITAS. I…

Cosmology and Nongalactic Astrophysics · Physics 2011-03-30 Jan Conrad

We present a new approach to the pointing determination of Imaging Atmospheric Cherenkov Telescopes (IACTs). This method is universal and can be applied to any IACT with minor modifications. It uses the trajectories of the stars in the…

Instrumentation and Methods for Astrophysics · Physics 2023-10-09 Mykhailo Dalchenko , Matthieu Heller

Imaging Atmospheric Cherenkov Telescopes (IACTs) use large-aperture (~ 10 - 30 m) optical telescopes with arcminute angular resolution to detect TeV gamma-rays in the atmosphere. I show that IACTs are well-suited for optical observations of…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 Brian C. Lacki

We present a systematic search for potential dark matter subhalos in our Galaxy among the 630 unassociated sources included in the First Fermi-LAT Source Catalog. Assuming a hypothetical dark matter particle that could generate observable…

High Energy Astrophysical Phenomena · Physics 2011-10-24 D. Nieto , V. Martínez , N. Mirabal , J. A. Barrio , K. Satalecka , S. Pardo , I. Lozano

In the general scenario of Weakly Interacting Massive Particles (WIMP), dark matter (DM) can be observed via astrophysical gamma rays because photons are produced in various DM annihilation or decay processes, either as broad-band or line…

High Energy Astrophysical Phenomena · Physics 2015-06-19 Michele Doro

We review the status of indirect Dark Matter searches, focusing in particular on the connection with gamma-ray Astrophysics, and on the prospects for detection with the upcoming space telescope GLAST and Air Cherenkov Telescopes such as…

Astrophysics · Physics 2008-11-26 Gianfranco Bertone

Cosmic gamma rays are a valid probe to search for fundamental physics. Some of these exotic and exciting scenarios are the subject of this contribution to the book. All current Imaging Atmospheric Cherenkov Telescopes (IACTs) have invested…

High Energy Astrophysical Phenomena · Physics 2024-11-18 Michele Doro , Miguel Angel Sánchez-Conde , Moritz Hütten

The next generation of ground-based Imaging Air Cherenkov Telescopes (IACTs) will play an important role in indirect dark matter searches. In this article, we consider two particularly promising candidate sources for dark matter…

Astrophysics · Physics 2010-05-27 Torsten Bringmann , Michele Doro , Mattia Fornasa

The MAGIC 17m-diameter Imaging Air Cherenkov Telescope (IACT) has been commissioned beginning of 2005. The telescope has been designed to achieve the lower detection energy threshold ever obtained with an IACT, about 50 GeV. A new window in…

Astrophysics · Physics 2007-05-23 J. Flix

Gamma ray observations from a few hundred MeV up to tens of TeV are a valuable tool for studying particle acceleration and diffusion within our galaxy. Constructing a coherent physical picture of particle accelerators such as supernova…

Instrumentation and Methods for Astrophysics · Physics 2019-08-16 Alisha Chromey

The annihilations of WIMPs produce high energy gamma-rays in the final state. These high energy gamma-rays may be detected by imaging atmospheric Cherenkov telescopes (IACTs). Amongst the plausible targets are the Galactic Center, the…

High Energy Astrophysical Phenomena · Physics 2014-11-20 E. Moulin

We present a systematic search for potential dark matter clumps in our Galaxy among the 630 unassociated sources included in the LAT 1-year Point Source Catalog. Assuming a dark matter particle that generates observable gamma-ray photons…

High Energy Astrophysical Phenomena · Physics 2019-08-13 D. Nieto , J. Aleksić , J. A. Barrio , J. L. Contreras , M. Doro , S. Lombardi , N. Mirabal , A. Moralejo , S. Pardo , J. Rico , F. Zandanel

We show, by using an extensive sample of viable supersymmetric models as templates, that indirect detection of dark matter through gamma rays may have a large potential for identifying the nature of dark matter. This is in particular true…

High Energy Physics - Phenomenology · Physics 2011-03-23 Lars Bergstrom , Torsten Bringmann , Joakim Edsjo

The Cherenkov Telescope Array (CTA) will have a unique chance of discovery for a large range of masses in Weakly Interacting Massive Particles models of dark matter. The principal target for dark matter searches with CTA is the centre of…

Dark matter (DM) is largely believed to be the dominant component of the matter content of the Universe. Astronomical measurements can be utilized to search for Standard Model (SM) annihilation or decay products of DM, complementing direct…

High Energy Astrophysical Phenomena · Physics 2021-08-16 Chiara Giuri

Merging galaxy clusters such as the Bullet Cluster provide a powerful testing ground for indirect detection of dark matter. The spatial distribution of the dark matter is both directly measurable through gravitational lensing and…

High Energy Physics - Phenomenology · Physics 2015-05-21 Peter W. Graham , Surjeet Rajendran , Ken Van Tilburg , Timothy D. Wiser

Imaging atmospheric Cherenkov telescopes (IACTs) detect gamma rays by measuring the Cherenkov light emitted by secondary particles in the air shower when the gamma rays hit the atmosphere. At low energies, the limited amount of Cherenkov…

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