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Ground-based gamma-ray astronomy has experienced a major breakthrough in the last decade thanks to the advent of new generation instruments such as H.E.S.S., MAGIC, Milagro and VERITAS. A large variety of cosmic particle accelerators has…

High Energy Astrophysical Phenomena · Physics 2011-10-11 Jürgen Knödlseder

We determine the future sensitivity of the TRIDENT neutrino telescope to dark matter annihilation in the Galactic Centre. By applying the full detector design we show that TRIDENT will probe annihilation rates down to $\langle\sigma…

High Energy Physics - Phenomenology · Physics 2026-01-14 Yingwei Wang , Xinhui Chu , Andrew Cheek , Iwan Morton-Blake , Qichao Chang , Gwenael Giacinti , Samy Kaci , Xin Xiang , Donglian Xu , Fuyudi Zhang

The Cherenkov Telescope Array (CTA) will be the world's leading ground-based gamma-ray observatory allowing us to study very high energy phenomena in the Universe. CTA will produce huge data sets, of the order of petabytes, and the…

Instrumentation and Methods for Astrophysics · Physics 2018-10-02 S. Mangano , C. Delgado , M. Bernardos , M. Lallena , J. J. Rodríguez Vázquez

For the proposed Cherenkov Telescope Array (CTA), a post-calibration point-source location accuracy of 3 seconds of arc is aimed for under favorable observing conditions and for gamma-ray energies exceeding 100 GeV. In this contribution,…

Instrumentation and Methods for Astrophysics · Physics 2015-09-08 Stefan Eschbach , Alexander Ziegler , Christopher van Eldik , Johannes Veh , David Berge , Markus Gaug

We investigate the possibility of detection of the VHE gamma-ray counterparts to the neutrino astrophysical sources within the Neutrino Target of Opportunity (NToO) program of CTA using the populations simulated by the FIRESONG software to…

High Energy Astrophysical Phenomena · Physics 2021-08-12 O. Sergijenko , A. Brown , D. Fiorillo , A. Rosales de Leon , K. Satalecka , C. F. Tung , R. Reimann , T. Glauch , I. Taboada

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

Electroweakly interacting stable spin-1 particle in the $(1-10)$ TeV mass range can be a dark matter candidate with rich testability. In particular, one or even two gamma-ray line-like features are expected to be a smoking-gun signature for…

High Energy Physics - Phenomenology · Physics 2025-03-03 Motoko Fujiwara , Martin Vollmann

The Cherenkov Telescope Array (CTA) is an atmospheric Cherenkov observatory that will image the cosmos in very-high-energy gamma rays. CTA will study the highest-energy particle accelerators in the Universe and potentially confirm the…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 J. Vandenbroucke

The Cherenkov Telescope Array (CTA) is the next generation observatory for very high energy gamma rays. The capability of the array to detect gamma-rays above 10 TeV is going to be achieved with a large number of Small Size Telescopes…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Anna Barnacka , Leszek Bogacz , Mira Grudzińska , Adam Frankowski , Mateusz Janiak , Piotr Lubiński , Rafał Moderski

The Inert Doublet Model (IDM) is one of the simplest extensions of the Standard Model (SM), providing a dark matter candidate. It is a two Higgs doublet model with a discrete $Z_2$ symmetry, that prevents the scalars of the second doublet…

High Energy Physics - Phenomenology · Physics 2020-02-28 Aleksander Filip Zarnecki , Jan Kalinowski , Jan Klamka , Pawel Sopicki , Wojciech Kotlarski , Tania Robens , Dorota Sokolowska

We present GammaBayes, a Bayesian Python package for dark matter detection with the Cherenkov Telescope Array (CTA). GammaBayes takes as input the CTA measurements of gamma rays and a user-specified dark-matter particle model. It outputs…

High Energy Astrophysical Phenomena · Physics 2024-08-05 Liam Pinchbeck , Eric Thrane , Csaba Balazs

The Cherenkov Telescope Array (CTA) is a future very high energy gamma-ray observatory. CTA will be comprised of small-,medium- and large-size telescopes covering an energy range from tens of GeV to hundreds of TeV and will surpass existing…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 T. Jogler , M. D. Wood , J. Dumm , A. Bouvier

Dwarf irregular galaxies (dIrrs) are rotationally supported galaxies with a low star formation rate. Thus, their gamma-ray astrophysical emission is expected to be low, making them interesting targets for WIMP dark matter (DM) indirect…

High Energy Astrophysical Phenomena · Physics 2026-05-07 Jaume Zuriaga-Puig , Viviana Gammaldi , Miguel Á. Sánchez-Conde

We report on a comprehensive study of the Direct Detection phenomenology of singlet Dark Matter $t$-channel portal models. For that purpose, we present a complete computation of the loop-induced direct detection cross-section for both…

High Energy Physics - Phenomenology · Physics 2024-05-16 David Cabo-Almeida

Ground-based gamma-ray astronomy has had a major breakthrough with the impressive results obtained using systems of imaging atmospheric Cherenkov telescopes. Ground-based gamma-ray astronomy has a huge potential in astrophysics, particle…

Instrumentation and Methods for Astrophysics · Physics 2012-04-13 The CTA Consortium

The last few years have seen a revolution in very-high gamma-ray astronomy (VHE; E>100 GeV) driven largely by a new generation of Cherenkov telescopes (namely the H.E.S.S. telescope array, the MAGIC and MAGIC-II large telescopes and the…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 E. de Ona Wilhelmi , B. Rudak , J. A. Barrio , J. L. Contreras , Y. Gallant , D. Hadasch , T. Hassan , M. Lopez , D. Mazin , N. Mirabal , G. Pedaletti , M. Renaud , R. de los Reyes , D. F. Torres

The recent discovery of TeV emission from gamma-ray bursts (GRBs) by the MAGIC and H.E.S.S. Cherenkov telescopes confirmed that emission from these transients can extend to very high energies. The TeV energy domain reaches the most…

High Energy Astrophysical Phenomena · Physics 2019-10-16 Imre Bartos , K. Rainer Corley , Nihar Gupte , Neil Ash , Zsuzsa. Márka , Szabolcs Márka

The GeV-scale gamma-ray excess observed from the region surrounding the Galactic Center has been interpreted as either the products of annihilating dark matter particles, or as the emission from a large population of faint and…

High Energy Astrophysical Phenomena · Physics 2023-05-10 Celeste Keith , Dan Hooper , Tim Linden

The Cherenkov Telescopes Array (CTA) is planned as the future instrument for very-high-energy (VHE) gamma-ray astronomy with a wide energy range of four orders of magnitude and an improvement in sensitivity compared to current instruments…