output
19922026
Showing 2022 · astro-ph.HEShow all

28 papers · 2 filters

astro-ph.HE2022★ 58 cited

Hint for a TeV neutrino emission from the Galactic Ridge with ANTARES

A. Albert, S. Alves, M. André +151

Interactions of cosmic ray protons, atomic nuclei, and electrons in the interstellar medium in the inner part of the Milky Way produce a -ray flux from the Galactic Ridge. If th…

astro-ph.HE2022

A long life of excess: The interacting transient SN 2017hcc

S. Moran, M. Fraser, R. Kotak +29

In this study we present the results of a five-year follow-up campaign of the long-lived type IIn supernova SN 2017hcc, found in a spiral dwarf host of near-solar metallicity. The…

astro-ph.HE2022★ 66 cited

Constraining the sources of ultra-high-energy cosmic rays across and above the ankle with the spectrum and composition data measured at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +365

In this work we present the interpretation of the energy spectrum and mass composition data as measured by the Pierre Auger Collaboration above eV. We use an ast…

astro-ph.HE2022★ 17 cited

Prospects for detection of a Galactic diffuse neutrino flux

Pedro De la Torre Luque, Daniele Gaggero, Dario Grasso

A Galactic cosmic-ray transport model featuring non-homogeneous transport has been developed over the latest years. This setup is aimed at reproducing gamma-ray observations in dif…

astro-ph.HE2022★ 40 cited

Constraints on heavy decaying dark matter from 570 days of LHAASO observations

The LHAASO Collaboration, Zhen Cao, F. Aharonian +276

The Kilometer Square Array~(KM2A) of the Large High Altitude Air Shower Observatory (LHAASO) aims at surveying the northern gamma-ray sky at energies above 10 TeV with unprecedente…

astro-ph.HE2022★ 13 cited

Starburst Nuclei as Light Dark Matter Laboratories

Antonio Ambrosone, Marco Chianese, Damiano F. G. Fiorillo +2

Starburst galaxies are well-motivated astrophysical emitters of high-energy gamma-rays. They are well-known cosmic-ray "reservoirs", thanks to their large magnetic fields which con…

astro-ph.HE2022★ 74 cited

The Gamma-ray Bursts fundamental plane correlation as a cosmological tool

M. G. Dainotti, A. Ł. Lenart, A. Chraya +5

Cosmological models and their corresponding parameters are widely debated because of the current discrepancy between the results of the Hubble constant, , obtained by SNe Ia…

astro-ph.HE2022★ 28 cited

Model-based cross-correlation search for gravitational waves from the low-mass X-ray binary Scorpius X-1 in LIGO O3 data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1692

We present the results of a model-based search for continuous gravitational waves from the low-mass X-ray binary Scorpius X-1 using LIGO detector data from the third observing run…

astro-ph.HE2022★ 47 cited

Resolving the inner parsec of the blazar J1924-2914 with the Event Horizon Telescope

Sara Issaoun, Maciek Wielgus, Svetlana Jorstad +27

The blazar J1924-2914 is a primary Event Horizon Telescope (EHT) calibrator for the Galactic Center's black hole Sagittarius A*. Here we present the first total and linearly polari…

astro-ph.HE2022★ 5 cited

Limits on the nuclearite flux using the ANTARES neutrino telescope

ANTARES Collaboration, A. Albert, S. Alves +143

In this work, a search for nuclearites of strange quark matter by using nine years of ANTARES data taken in the period 2009-2017 is presented. The passage through matter of these p…

astro-ph.HE2022★ 112 cited

Millimeter light curves of Sagittarius A* observed during the 2017 Event Horizon Telescope campaign

Maciek Wielgus, Nicola Marchili, Ivan Marti-Vidal +28

The Event Horizon Telescope (EHT) observed the compact radio source, Sagittarius A* (Sgr A*), in the Galactic Center on 2017 April 5-11 in the 1.3 millimeter wavelength band. At th…

astro-ph.HE2022★ 5 cited

Properties of intra-cluster low-mass X-ray binaries in Fornax globular clusters

G. Riccio, M. Paolillo, M. Cantiello +9

We present a study of the intra-cluster population of low-mass X-ray binaries (LMXB) residing in globular clusters (GC) in the central 1 of the Fornax galaxy cluster. Diffe…

astro-ph.HE2022★ 18 cited

Search for supernova bursts in Super-Kamiokande IV

Kamiokande collaboration, M. Mori, K. Abe +242

Super-Kamiokande has been searching for neutrino bursts characteristic of core-collapse supernovae continuously, in real time, since the start of operations in 1996. The present wo…

astro-ph.HE2022★ 86 cited

Arrival Directions of Cosmic Rays above 32 EeV from Phase One of the Pierre Auger Observatory

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +372

A promising energy range to look for angular correlation between cosmic rays of extragalactic origin and their sources is at the highest energies, above few tens of EeV ($1\:{\rm E…

astro-ph.HE2022★ 19 cited

Sensitivity of the GAPS Experiment to Low-energy Cosmic-ray Antiprotons

Field Rogers, Tsuguo Aramaki, Mirko Boezio +50

The General Antiparticle Spectrometer (GAPS) is an upcoming balloon mission to measure low-energy cosmic-ray antinuclei during at least three ~35-day Antarctic flights. With its la…

astro-ph.HE2022★ 44 cited

A search for photons with energies above eV using hybrid data from the low-energy extensions of the Pierre Auger Observatory

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +373

Ultra-high-energy photons with energies exceeding eV offer a wealth of connections to different aspects of cosmic-ray astrophysics as well as to gamma-ray and neutrino as…

astro-ph.HE2022★ 8 cited

Multi-messenger High-Energy Signatures of Decaying Dark Matter and the Effect of Background Light

Barbara Skrzypek, Marco Chianese, Carlos Argüelles Delgado

The IceCube Neutrino Observatory at the South Pole has measured astrophysical neutrinos using through-going and starting events in the TeV to PeV energy range. The origin of these…

astro-ph.HE2022★ 70 cited

Search for continuous gravitational wave emission from the Milky Way center in O3 LIGO--Virgo data

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1667

We present a directed search for continuous gravitational wave (CW) signals emitted by spinning neutron stars located in the inner parsecs of the Galactic Center (GC). Compelling e…

astro-ph.HE2022★ 68 cited

Quasar standardization: Overcoming Selection Biases and Redshift Evolution

Maria Giovanna Dainotti, Giada Bardiacchi, Aleksander Lukasz Lenart +5

Quasars (QSOs) are extremely luminous active galatic nuclei currently observed up to redshift . As such, they have the potential to be the next rung of the cosmic distance…

astro-ph.HE2022★ 9 cited

Search for secluded dark matter towards the Galactic Centre with the ANTARES neutrino telescope

A. Albert, S. Alves, M. Andre +146

Searches for dark matter (DM) have not provided any solid evidence for the existence of weakly interacting massive particles in the GeV-TeV mass range. Coincidentally, the scale of…

astro-ph.HE2022★ 14 cited

Search for Magnetic Monopoles with ten years of the ANTARES neutrino telescope

ANTARES Collaboration, A. Albert, S. Alves +145

This work presents a new search for magnetic monopoles using data taken with the ANTARES neutrino telescope over a period of 10 years (January 2008 to December 2017). Compared to p…

astro-ph.HE2022★ 15 cited

Observable Signatures of Cosmic Rays Transport in Starburst Galaxies on Gamma-ray and Neutrino Observations

A. Ambrosone, M. Chianese, D. F. G. Fiorillo +2

The gamma-ray emission from Starburst and Starforming Galaxies (SBGs and SFGs) strongly suggest a correlation between star-forming activity and gamma-ray luminosity. However, the v…

astro-ph.HE2022★ 22 cited

Limits to gauge coupling in the dark sector set by the non-observation of instanton-induced decay of Super-Heavy Dark Matter in the Pierre Auger Observatory data

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +374

Instantons, which are non-perturbative solutions to Yang-Mills equations, provide a signal for the occurrence of quantum tunneling between distinct classes of vacua. They can give…

astro-ph.HE2022★ 1 cited

Weak Mass Loss from the Red Supergiant Progenitor of the Type II SN 2021yja

Griffin Hosseinzadeh, Charles D. Kilpatrick, Yize Dong +56

We present high-cadence optical, ultraviolet (UV), and near-infrared data of the nearby ( Mpc) Type II supernova (SN) 2021yja. Many Type II SNe show signs of interactio…