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Related papers: The Dark Matter Programme of the Cherenkov Telesco…

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Gamma-ray photons can convert into axion-like particles (ALPs) and vice versa when interacting with astrophysical magnetic fields. The conversions of ALPs may have important implications for astrophysics since they would imprint…

High Energy Astrophysical Phenomena · Physics 2013-05-02 Miguel A. Sanchez-Conde , Stefan Funk , Frank Krennrich , Amanda Weinstein

The next decade can be considered the "golden age" of the Gamma Ray Astronomy with the two satellites for Gamma Ray Astronomy (AGILE and GLAST) in orbit. Therefore, thanks to many other X-ray experiments already in orbit (e.g. Swift,…

Astrophysics · Physics 2008-06-27 L. Angelo Antonelli

The Cherenkov Telescope Array (CTA) is the next generation of ground-based gamma-ray observatory. The observatory will consist of two arrays, one located in the southern hemisphere (Paranal,Chile) and the other in the northern hemisphere…

Instrumentation and Methods for Astrophysics · Physics 2020-12-17 Victor Barbosa Martins , Markus Garczarczyk

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

The Cherenkov Telescope Array (CTA) is a large collaborative effort aimed at the design and operation of an observatory dedicated to very high-energy gamma-ray astrophysics in the energy range from a few tens of GeV to above 100 TeV, which…

Instrumentation and Methods for Astrophysics · Physics 2019-08-17 Stefano Vercellone

Telescopes based on the imaging atmospheric Cherenkov technique (IACTs) detect images of the atmospheric showers generated by gamma rays and cosmic rays as they are absorbed by the atmosphere. The much more frequent cosmic-ray events form…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 D. Nieto , A. Brill , B. Kim , T. B. Humensky

Disentangling the composition of the diffuse gamma-ray background (DGRB) is a major challenge in gamma-ray astronomy. It is presumed that at the highest energies, the DGRB is dominated by relatively few, still unresolved point sources. This…

High Energy Astrophysical Phenomena · Physics 2019-07-01 Moritz Hütten , Gernot Maier

The Cherenkov Telescope Array (CTA) is an international next-generation ground-based gamma-ray observatory. CTA will be implemented as southern and northern hemisphere arrays of tens of small, medium and large-sized imaging Cherenkov…

Simulations of dark matter show a discrepancy between the expected number of Galactic dark matter sub-halos and how many have been optically observed. Some of these unseen satellites may exist as dark dwarf galaxies: sub-halos like dwarf…

TeV-scale particles that couple to the standard model through the weak force represent a compelling class of dark matter candidates. The search for such Weakly Interacting Massive Particles (WIMPs) has already spanned multiple decades, and…

High Energy Astrophysical Phenomena · Physics 2021-01-14 Lucia Rinchiuso , Oscar Macias , Emmanuel Moulin , Nicholas L. Rodd , Tracy R. Slatyer

The planned Cherenkov Telescope Array (CTA), a future ground-based Very-High-Energy (VHE) gamma-ray observatory, will be the largest project of its kind. It aims to provide an order of magnitude increase in sensitivity compared to currently…

The Cherenkov Telescope Array (CTA) will perform a survey of the whole Galactic disk with unprecedented sensitivity at energies up to 300 TeV. One of the key science projects of the CTA consortium is the discovery of Galactic PeVatrons…

High Energy Astrophysical Phenomena · Physics 2017-09-19 C. Trichard

Observations from multiple gamma-ray telescopes have uncovered a high energy gamma-ray source spatially coincident with the Galactic center. Recently, a compelling model for the broad-band gamma-ray emission has been formulated which posits…

High Energy Astrophysical Phenomena · Physics 2015-06-05 Tim Linden , Stefano Profumo

The Cherenkov Telescope Array (CTA) is the future ground-based observatory for gamma-ray astronomy at very high energies. The atmosphere is an integral part of every Cherenkov telescope. Different atmospheric conditions, such as clouds, can…

The Cherenkov Telescope Array (CTA) is the future instrument in ground-based gamma-ray astronomy in the energy range from 20 GeV to 300 TeV. Its sensitivity will surpass that of current generation experiments by a factor $\sim$10,…

Instrumentation and Methods for Astrophysics · Physics 2017-08-09 A. Schulz , M. Garczarczyk , L. Oakes , S. Schlenstedt , U. Schwanke , the CTA Consortium

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 Cherenkov Telescope Array (CTA) will be the next generation instrument for the very high energy gamma-ray astrophysics domain. With its enhanced sensitivity in comparison with the current facilities, CTA is expected to shed light on a…

High Energy Astrophysical Phenomena · Physics 2020-01-08 Enrique Mestre , Emma de Oña Wilhelmi , Roberta Zanin , Diego F. Torres , Luigi Tibaldo

In these proceedings we summarize the current status of the study of the sensitivity of the Cherenkov Telescope Array (CTA) to detect diffuse gamma-ray emission from the Perseus galaxy cluster. Gamma-ray emission is expected in galaxy…

High Energy Astrophysical Phenomena · Physics 2021-08-23 Judit Pérez-Romero

Imaging Atmosphere Cherenkov Telescopes (IACT) are arrays of very large optical telescopes that are well-suited for rapid photometry of bright sources. I investigate their potential in observing stellar occultations by small objects in the…

Earth and Planetary Astrophysics · Physics 2015-06-18 Brian C. Lacki

The detection of dark matter has made great progresses in recent years. We give a brief review on the status and progress in dark matter detection, including the progresses in direct detection, collider detection at LHC and focus on the…

High Energy Physics - Phenomenology · Physics 2014-09-17 Xiao-Jun Bi , Peng-Fei Yin , Qiang Yuan