Energy spectra of gamma rays, electrons, and neutrinos produced at proton-proton interactions in the very high energy regime
- S. Kelner, F. Aharonian, V. V. Bugayov
- Physics
- 2 June 2006
We present new parameterizations of energy spectra of secondary particles, $\ensuremath{\pi}$ mesons, gamma rays, electrons, and neutrinos produced in inelastic proton-proton collisions. The simple…
The H.E.S.S. Survey of the Inner Galaxy in Very High Energy Gamma Rays
- F. Aharonian, A. Akhperjanian, S. Wagner
- Physics
- 13 October 2005
The distribution in Galactic latitude of the detected sources appears to be consistent with a scale height in the Galactic disk for the parent population smaller than 100 pc, consistent with expectations for supernova remnants and/or pulsar wind nebulae.
A low level of extragalactic background light as revealed by γ-rays from blazars
- F. Aharonian, A. Akhperjanian, S. Wagner
- PhysicsNature
- 2 August 2005
The diffuse extragalactic background light consists of the sum of the starlight emitted by galaxies through the history of the Universe, and it could also have an important contribution from the…
Discovery of very-high-energy γ-rays from the Galactic Centre ridge
- F. Aharonian, A. Akhperjanian, S. Wagner
- PhysicsNature
- 9 February 2006
The source of Galactic cosmic rays (with energies up to 1015 eV) remains unclear, although it is widely believed that they originate in the shock waves of expanding supernova remnants. At present the…
Very High Energy Cosmic Gamma Radiation: A Crucial Window on the Extreme Universe
- F. Aharonian
- Physics
- 19 July 2004
Gamma ray astronomy, the branch of high energy astrophysics that studies the sky in energetic γ-ray photons, is destined to play a crucial role in the exploration of nonthermal phenomena in the…
Energy spectrum of cosmic-ray electrons at TeV energies.
- F. Aharonian, A. Akhperjanian, A. Zech
- PhysicsPhysical Review Letters
- 24 November 2008
In this measurement, the first of this type, the High Energy Stereoscopic System is able to extend the measurement of the electron spectrum beyond the range accessible to direct measurements, finding evidence for a substantial steepening in the energy spectrum above 600 GeV compared to lower energies.
Design concepts for the Cherenkov Telescope Array CTA: an advanced facility for ground-based high-energy gamma-ray astronomy
- M. Actis, G. Agnetta, C. Rulten
- Physics
- 23 November 2011
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…
Letter of intent for KM3NeT 2.0
- S. Adri'an-Mart'inez, M. Ageron, J. Z'uniga
- Physics
- 27 January 2016
The main objectives of the KM3NeT Collaboration are (i) the discovery and subsequent observation of high-energy neutrino sources in the Universe and (ii) the determination of the mass hierarchy of…
A New Population of Very High Energy Gamma-Ray Sources in the Milky Way
- F. Aharonian, A. Akhperjanian, S. Wagner
- PhysicsScience
- 25 March 2005
A first sensitive survey of the inner part of the Milky Way with the High Energy Stereoscopic System (HESS) reveals a population of eight previously unknown firmly detected sources of very high energy γ-rays.
Multi-messenger Observations of a Binary Neutron Star Merger
- B. Abbott, R. Abbott, P. Woudt
- PhysicsProceedings of Multifrequency Behaviour of High…
- 26 October 2019
On 2017 August 17 a binary neutron star coalescence candidate (later designated GW170817) with merger time 12:41:04 UTC was observed through gravitational waves by the Advanced LIGO and Advanced…
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