466 citations · 3.1k across the 85 of their papers we have counts for
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The COSMIC WISPers White Paper: The physics case for Weakly Interacting Slim Particles
Ariel Arza, Deniz Aybas, Shyam Balaji +124
Axions and other very weakly interacting slim particles (WISPs), with masses below 1 GeV, arise naturally in many extensions of the Standard Model of particle physics. In particula…
Low-frequency radio telescopes sensitivity to light dark matter
Ruben Zatini, Francesca Calore, Pasquale Dario Serpico
Ground-based radio telescopes are routinely used to search for light dark matter (DM) candidates such as axion-like particles or dark photons. These instruments face however inhere…
Stellar-like Galactic center excess challenges particle dark matter
Silvia Manconi, Christopher Eckner, Francesca Calore +1
The Galactic Center (GC) is potentially hosting the largest indirect signal from particle dark matter (DM), which in many well-motivated models would produce gamma rays as their fi…
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…
Can local White Dwarfs constrain Dark Matter interactions?
Pooja Bhattacharjee, Sandra Robles, Stephan A. Meighen-Berger +1
We investigate whether nearby white dwarfs (WDs) can constrain dark matter (DM) interactions with ordinary matter. As experimental sensitivity improves, driven by the Gaia mission,…
Constraining gravitational-wave backgrounds from conversions into photons in the Galactic magnetic field
Alessandro Lella, Francesca Calore, Pierluca Carenza +1
High-frequency gravitational waves ( MHz) may provide a unique signature for the existence of exotic physics. The lack of current and future gravitational-wave experim…
Probing protoneutron stars with gamma-ray axionscopes
Alessandro Lella, Francesca Calore, Pierluca Carenza +4
Axion-like particles (ALPs) coupled to nucleons can be efficiently produced in the interior of protoneutron stars (PNS) during supernova (SN) explosions. If these ALPs are also cou…
Anatomy of astrophysical echoes from axion dark matter
Elisa Todarello, Francesca Calore, Marco Regis
If the dark matter in the Universe is made of eV axion-like particles (ALPs), then a rich phenomenology can emerge in connection to their stimulated decay into two photons. We d…
Constraints on light decaying dark matter candidates from 16 years of INTEGRAL/SPI observations
Francesca Calore, Ariane Dekker, Pasquale Dario Serpico +1
We apply the recently developed analysis of 16 years of INTEGRAL/SPI data including a dark matter spatial template to derive bounds on dark matter candidates lighter than WIMPs (li…
Snowmass2021 Cosmic Frontier White Paper: Puzzling Excesses in Dark Matter Searches and How to Resolve Them
Rebecca K. Leane, Seodong Shin, Liang Yang +36
Intriguing signals with excesses over expected backgrounds have been observed in many astrophysical and terrestrial settings, which could potentially have a dark matter origin. Ast…
511 keV line constraints on feebly interacting particles from supernovae
Francesca Calore, Pierluca Carenza, Maurizio Giannotti +4
Feebly interacting particles with masses with O(10-100) MeV can be copiously produced by core-collapse supernovae (SNe). In this paper we consider the case of MeV-ish sterile neutr…
Supernova bounds on axion-like particles coupled with nucleons and electrons
Francesca Calore, Pierluca Carenza, Maurizio Giannotti +3
We investigate the potential of type II supernovae (SNe) to constrain axion-like particles (ALPs) coupled simultaneously to nucleons and electrons. ALPs coupled to nucleons can be…
Bounds on axion-like particles from the diffuse supernova flux
Francesca Calore, Pierluca Carenza, Maurizio Giannotti +2
The cumulative emission of Axion-Like Particles (ALPs) from all past core-collapse supernovae (SNe) would lead to a diffuse flux with energies MeV. We use this t…
Reconciling hints on axion-like-particles from high-energy gamma rays with stellar bounds
Gautham Adamane Pallathadka, Francesca Calore, Pierluca Carenza +9
It has been recently claimed by two different groups that the spectral modulation observed in gamma rays from Galactic pulsars and supernova remnants can be due to conversion of ph…
Gamma-ray spectral modulations of Galactic pulsars caused by photon-ALPs mixing
Jhilik Majumdar, Francesca Calore, Dieter Horns
Well-motivated extensions of the standard model predict ultra-light and fundamental pseudo-scalar particles (e.g., axions or axion-like particles: ALPs). Similarly to the Primakoff…
Spectral modulation of non-Galactic plane Gamma-ray pulsars due to photon-ALPs mixing in Galactic magnetic field
Jhilik Majumdar, Francesca Calore, Dieter Horns
In many approaches to describe physics beyond the standard model, light Nambu-Goldstone bosons (named axion-like particles or ALPS for their similarity with the axion) are predicte…
Electroweak and Higgs Boson Internal Bremsstrahlung: General considerations for Majorana dark matter annihilation and application to MSSM neutralinos
Torsten Bringmann, Francesca Calore, Ahmad Galea +1
It is well known that the annihilation of Majorana dark matter into fermions is helicity suppressed. Here, we point out that the underlying mechanism is a subtle combination of two…
Particle Dark Matter Constraints: the Effect of Galactic Uncertainties
Maria Benito, Nicolas Bernal, Nassim Bozorgnia +2
Collider, space, and Earth based experiments are now able to probe several extensions of the Standard Model of particle physics which provide viable dark matter candidates. Direct…
Global analysis of the pMSSM in light of the Fermi GeV excess: prospects for the LHC Run-II and astroparticle experiments
Gianfranco Bertone, Francesca Calore, Sascha Caron +4
We present a new global fit of the 19-dimensional phenomenological Minimal Supersymmetric Standard Model (pMSSM-19) that comply with all the latest experimental results from dark m…
A Tale of Tails: Dark Matter Interpretations of the Fermi GeV Excess in Light of Background Model Systematics
Francesca Calore, Ilias Cholis, Christopher McCabe +1
Several groups have identified an extended excess of gamma rays over the modeled foreground and background emissions towards the Galactic center (GC) based on observations with the…
Conservative upper limits on WIMP annihilation cross section from Fermi-LAT -rays
F. Donato, F. Calore, V. De Romeri
The spectrum of an isotropic extragalactic -ray background (EGB) has been measured by the Fermi-LAT telescope at high latitudes. Two new models for the EGB are derived from the…
Spectral cutoffs in indirect dark matter searches
Christoph Weniger, Torsten Bringmann, Francesca Calore +1
Indirect searches for dark matter annihilation or decay products in the cosmic-ray spectrum are plagued by the question of how to disentangle a dark matter signal from the omnipres…
On the Relevance of Sharp Gamma-Ray Features for Indirect Dark Matter Searches
Torsten Bringmann, Francesca Calore, Gilles Vertongen +1
Gamma rays from the annihilation of dark matter particles in the Galactic halo provide a particularly promising means of indirectly detecting dark matter. Here, we demonstrate that…