90 citations · 1.1k across the 52 of their papers we have counts for
41 papers · 1 filter
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…
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…
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…
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…
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…
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…
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…
Constraints on heavy decaying dark matter with current gamma-ray measurements
Marco Chianese, Damiano F. G. Fiorillo, Rasmi Hajjar +2
Among the several strategies for indirect searches of dark matter, one very promising one is to look for the gamma-rays from decaying dark matter. Here we use the most up-to-date u…
Sensitivity of KM3NeT to Violation of Equivalence Principle
Marco Chianese, Damiano F. G. Fiorillo, Gianpiero Mangano +3
The symmetry of the theory of relativity under diffeomorphisms strongly depends on the equivalence principle. Violation of Equivalence Principle (VEP) can be tested by looking for…
Direct Detection of Light Dark Matter from Evaporating Primordial Black Holes
Roberta Calabrese, Marco Chianese, Damiano F. G. Fiorillo +1
The direct detection of sub-GeV dark matter interacting with nucleons is hampered by the low recoil energies induced by scatterings in the detectors. This experimental difficulty i…
Heavy decaying dark matter at future neutrino radio telescopes
Marco Chianese, Damiano F. G. Fiorillo, Rasmi Hajjar +3
In the next decades, ultra-high-energy neutrinos in the EeV energy range will be potentially detected by next-generation neutrino telescopes. Although their primary goals are to ob…
Robust Limits from Upcoming Neutrino Telescopes and Implications on Minimal Dark Matter Models
S. Basegmez du Pree, C. Arina, A. Cheek +3
Experimental developments in neutrino telescopes are drastically improving their ability to constrain the annihilation cross-section of dark matter. In this paper, we employ an ang…
Dark Matter in the Type Ib Seesaw Model
Marco Chianese, Bowen Fu, Stephen F. King
We consider a minimal type Ib seesaw model where the effective neutrino mass operator involves two different Higgs doublets, and the two right-handed neutrinos form a heavy Dirac m…
Impact of Higgs portal on gravity-mediated production of superheavy dark matter
Marco Chianese, Bowen Fu, Stephen F. King
In the so-called Planckian Interacting Dark Matter (PIDM) scenario, superheavy dark matter particles are produced after inflation by gravity-mediated interactions through the freez…
Radio Signal of Axion-Photon Conversion in Neutron Stars: A Ray Tracing Analysis
Mikaël Leroy, Marco Chianese, Thomas D. P. Edwards +1
Axion dark matter can resonantly convert into photons in the magnetospheres of neutron stars (NSs). It has recently been shown that radio observations of nearby NSs can therefore p…
Probing dark matter signals in neutrino telescopes through angular power spectrum
Ariane Dekker, Marco Chianese, Shin'ichiro Ando
The hypothesis of two different components in the high-energy neutrino flux observed with IceCube has been proposed to solve the tension among different data-sets and to account fo…
Potential Dark Matter Signals at Neutrino Telescopes
Marco Chianese
Recent analyses of the diffuse TeV-PeV neutrino flux highlight a tension between different Ice-Cube data samples that strongly suggests a two-component scenario rather than a singl…