90 citations · 1.1k across the 52 of their papers we have counts for
56 papers
Asteroid-mass Primordial Black Holes as Dark Matter from Supersymmetry
Andrea Boccia, Marco Chianese
We study the formation of asteroid-mass Primordial Black Holes (PBHs) as a dark matter candidate in supersymmetric extensions of the Standard Model. We show that the presence of he…
Exploring memory-burdened primordial black holes with ultra-high-energy cosmic-rays
Antonio Ambrosone, Marco Chianese, Carmelo Evoli
Quantum backreaction effects may quench Hawking evaporation through a ``memory burden'', allowing primordial black holes (PBHs) with formation masses well below $10^{15}~\mathrm{g}…
Probing super-heavy dark matter with ultra-high-energy gamma rays
Marco Chianese, Ninetta Saviano, Sara Cesare +4
We refine the constraints on the lifetime of decaying super-heavy dark matter particles (SHDM), with masses ranging from to GeV, by analyzing ultra-high-energy (UH…
Cosmic-ray cooling by dark matter in astrophysical jets
Dimitrios Kantzas, Francesca Calore, Marco Chianese
Astrophysical jets from powerful active galactic nuclei (AGN) have recently been proposed as promising probes of dark matter (DM) in the sub-GeV mass range. AGN launch relativistic…
Fermionic sub-GeV Dark Matter from evaporating Primordial Black Holes at DarkSide-50
50 Collaboration, P. Agnes, I. F. Albuquerque +125
We present a search for boosted dark matter from Primordial Black Holes (PBH) evaporation using the DarkSide-50 ionization-signal-only dataset corresponding to the experiment's ($1…
Induced Gravitational Waves as Cosmic Tracers of Leptogenesis
Marco Chianese, Guillem Domènech, Theodoros Papanikolaou +2
We demonstrate that induced gravitational waves (IGWs) can naturally emerge within well-motivated realizations of thermal leptogenesis, thereby providing a possible observational h…
High-energy gamma-ray emission from memory-burdened primordial black holes
Marco Chianese
Theoretical studies on the memory-burden effect suggest that Primordial Black Holes (PBHs) with masses smaller than grams may be viable dark matter candidates and, conseq…
Neutrino Theory in the Precision Era
Asmaa Abada, Gabriela Barenboim, Toni Bertólez-Martínez +76
This document summarises discussions on future directions in theoretical neutrino physics, which are the outcome of a neutrino theory workshop held at CERN in February 2025. The st…
Impact of memory-burdened primordial black holes on high-scale leptogenesis
Roberta Calabrese, Marco Chianese, Ninetta Saviano
We explore the impact of the back-reaction of evaporation on the quantum state of Primordial Black Holes (PBHs), known as ``memory burden", on the baryon asymmetry production in th…
Impact of memory-burdened black holes on primordial gravitational waves in light of Pulsar Timing Array
Peter Athron, Marco Chianese, Satyabrata Datta +2
Blue-tilted Gravitational Waves (BGWs) have been proposed as a potential candidate for the cosmic gravitational waves detected by Pulsar Timing Arrays (PTA). In the standard cosmol…
Light burden of memory: Constraining primordial black holes with high-energy neutrinos
Marco Chianese, Andrea Boccia, Fabio Iocco +2
Recent studies point out that quantum effects, referred to as "memory burden", may slow down the evaporation of black holes. As a result, a population of light primordial black hol…
Probing flavored regimes of leptogenesis with gravitational waves from cosmic strings
Marco Chianese, Satyabrata Datta, Gennaro Miele +2
Cosmic strings radiate detectable gravitational waves in models featuring high-scale symmetry breaking, e.g., high-scale leptogenesis. In this Letter, for the first time, we show t…
Tomography of flavoured leptogenesis with primordial blue gravitational waves
Marco Chianese, Satyabrata Datta, Rome Samanta +1
We explore a scenario where an early epoch of matter domination is driven by the mass scale of the right-handed neutrinos, which also characterizes the different flavour regi…
Constraining the hadronic properties of star-forming galaxies above with 15-years Fermi-LAT data
Antonio Ambrosone, Marco Chianese, Antonio Marinelli
Star-forming and starburst galaxies (SFGs and SBGs) are powerful emitters of non-thermal -rays and neutrinos, due to their intense phases of star-formation activity, which shoul…
Phenomenology of superheavy decaying dark matter from string theory
Rouzbeh Allahverdi, Chiara Arina, Marco Chianese +4
We study the phenomenology of superheavy decaying dark matter with mass around GeV which can arise in the low-energy limit of string compactifications. Generic features o…
Impact of primordial black holes on heavy neutral leptons searches in the framework of resonant leptogenesis
Roberta Calabrese, Marco Chianese, Jacob Gunn +3
We investigate the effects on sub-TeV resonant leptogenesis of Primordial Black Holes with masses from to g. The latter might dominate the energy content of the…
Limits on light primordial black holes from high-scale leptogenesis
Roberta Calabrese, Marco Chianese, Jacob Gunn +3
We investigate the role that the evaporation of light primordial black holes may have played in the production of the baryon asymmetry of the Universe through the high-scale leptog…
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…
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…
Constraining axion-like particles with the diffuse gamma-ray flux measured by the Large High Altitude Air Shower Observatory
Leonardo Mastrototaro, Pierluca Carenza, Marco Chianese +4
The detection of very high-energy neutrinos by IceCube experiment supports the existence of a comparable gamma-ray counterpart from the same cosmic accelerators. Under the likely a…
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…
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…
Electron scattering of light new particles from evaporating primordial black holes
Roberta Calabrese, Marco Chianese, Damiano F. G. Fiorillo +1
Primordial black holes are a possible component of dark matter, and a most promising way of investigating them is through the product of their Hawking evaporation. As a result of t…
EuCAPT White Paper: Opportunities and Challenges for Theoretical Astroparticle Physics in the Next Decade
R. Alves Batista, M. A. Amin, G. Barenboim +134
Astroparticle physics is undergoing a profound transformation, due to a series of extraordinary new results, such as the discovery of high-energy cosmic neutrinos with IceCube, the…