Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata

Revisiting EBL Constraints from Gamma-Ray Observations: A Critical Assessment and Methodological Improvements

K. Abe, S. Abe, J. Abhir +185

The extragalactic background light (EBL), ranging from the infrared to the ultraviolet bands, is the second most intense photon field in the universe, surpassed only by the cosmic…

gr-qc2026

Black Holes, Gravitational Waves and Space-Time Singularities Lemaitre Conference 2024

Massimo Bianchi, Sergio Luigi Cacciatori, Matteo Galaverni +2

This editorial introduces the topical collection arising from the Lemaitre Conference 2024 - the second in a series of meetings dedicated to the scientific legacy of Georges Lemait…

An improved direct limit on the muon electric dipole moment

2 Collaboration, D. P. Aguillard, T. Albahri +192

A limit on the permanent electric dipole moment (EDM) of the positive muon is presented based on data from the Fermilab Muon g-2 Experiment taken between 2019 and 2020. The trackin…

Constraints on the VHE counterpart of two binary black hole mergers observed by the MAGIC and CTAO LST-1 telescopes

K. Abe, S. Abe, J. Abhir +358

We present very-high-energy gamma-ray observations of two binary black hole merger candidates, GW240615_113620 and GW241125_010116, performed with the Major Atmospheric Gamma Imagi…

cond-mat.mtrl-sci2026

Excitonic effects in the photocarriers dynamics of two-dimensional materials

Carlos Betancur, Gianluca Stefanucci, Enrico Perfetto

We investigate the role of excitonic correlations in shaping the ultrafast dynamics of photoexcited carriers in semiconductors. Conventional approaches describe relaxation within s…

Final Report on the Measurement of the Positive Muon Anomalous Magnetic Moment at Fermilab to 127 ppb

2 Collaboration, D. P. Aguillard, T. Albahri +192

This report details the final measurement of the muon magnetic anomaly, $a_{μ} = (g_{μ} - 2) /2$ , by the Muon $g - 2$ experiment at Fermi National Accelerator Laboratory (FNAL), using positiv…

astro-ph.HE2026★ 2 cited

Gamma-ray signature of superluminous supernovae: Fermi-LAT GeV detection of SN 2017egm and evidence of a central engine

F. Acero, A. Acharyya, A. Adelfio +116

Superluminous supernovae (SLSNe) are a rare class of transients with peak luminosities 10-100 times greater than those of standard core-collapse supernovae (SNe). The mechanisms po…

Impact of stellar population models on the estimated physical properties of galaxies

Bozhidara Stoyanova, Médéric Boquien, Paola Santini +5

Accurate estimates of fundamental physical properties of galaxies, such as star formation rates (SFRs) or stellar masses, are essential for testing and constraining models of galax…

physics.ins-det2026

Study of Particle Fluence Effects on Collected Charge and Depletion Voltage of the ATLAS IBL Planar Pixel Sensors

ATLAS Collaboration

After ten years of operation at the LHC, the planar pixel sensors of the innermost barrel layer of the ATLAS Pixel detector have accumulated an average bulk damage fluence in exces…

Resolving the Multiphase Outflow, Shock Signatures, and PAHs in the AGN-Starburst Composite ULIRG F10565+2448 with JWST MIRI/MRS

Kylie Yui Dan, Jerome Seebeck, Sylvain Veilleux +9

We present new James Webb Space Telescope Mid-Infrared Instrument (MIRI) Medium-Resolution Spectrometer (MRS) observations of the nearby ultra-luminous infrared galaxy F10565+2448.…

Measurements of the Higgs boson production, fiducial and differential cross-sections in the four lepton decay channel using 164 fb $^{- 1}$ of data collected at $s$ = 13.6 TeV with the ATLAS detector

ATLAS Collaboration

Inclusive, differential and production-mode cross-section measurements of the Higgs boson are performed in the $H \to Z Z^{*} \to 4 ℓ$ decay channel. The analysis uses proton-prot…

hep-ph2026

Phenomenological implications of the high-precision COHERENT germanium CE $ν$ NS data

M. Atzori Corona, M. Cadeddu, N. Cargioli +5

This work presents the first comprehensive phenomenological analysis of the newly released Coherent Elastic Neutrino-Nucleus Scattering (CE $ν$ NS) data on germanium, measured by the…

Unveiling the dynamics of the ultra-fast outflow in IRAS 13224-3809 with X-ray spectroscopy

Pierpaolo Condò, Francesco Tombesi, Marco Laurenti +9

IRAS 13224-3809 is one of the most intensively studied narrow-line Seyfert 1 galaxies, with a rich literature reporting diverse and sometimes contrasting interpretations of its com…

hep-ph2026

Machine Learning for Multi-messenger Probes of New Physics and Cosmology: A Review and Perspective

Andrea Addazi, Konstantin Belotsky, Vitaly Beylin +18

The multi-messenger exploration of dark matter and physics beyond the Standard Model has emerged as a central direction in modern astro-particle physics, particularly following the…

The January 2010 flare of Mrk421: Insights from a stochastic acceleration model

MAGIC collaboration, K. Abe, S. Abe +191

Mrk421 displayed its highest flux state ever observed in February of 2010 with very high TeV fluxes and interesting cross-band correlations and a spectral energy distribution (SED)…

Chasing Gamma-Ray Signals from Binary Neutron Star Coalescences with the Cherenkov Telescope Array: Prospects and Observing Strategies

S. Abe, J. Abhir, A. Abhishek +457

The detection of gravitational waves (GWs) from a binary neutron star (BNS) merger by Advanced LIGO and Advanced Virgo (GW170817), together with its electromagnetic counterpart, th…

Supermassive Black Hole Winds in X-rays: SUBWAYS IV. Tracing Radio Emission and Unveiling the Role of Winds

E. Amenta, M. Brienza, G. Bruni +30

Most Active Galactic Nuclei (AGN) are Radio Quiet, with radio emission that may arise from star-formation activity, AGN-driven winds, weak jets, and coronal activity. Disentangling…

physics.flu-dyn2026

Schrödinger-Navier-Stokes equation for capillary fluids

Luca Salasnich, Simon Böhly, Sauro Succi +1

We highlight some properties of the Schrödinger-Navier-Stokes (SNS) equation [Salasnich, Succi, and Tiribocchi (2024)] of potential relevance for microfluidics and soft matter. Spe…

Where within the 3C 84 jet are $γ$ -rays produced?

Georgios F. Paraschos, Ioannis Liodakis, Svetlana Jorstad +49

The location of $γ$ -ray creation and emission within extra-galactic jets is a matter of active debate. One particularly well-suited source to pinpoint the location is the nearby, b…

nucl-ex2026

Search for Sterile Neutrinos with CUPID-0

O. Azzolini, J. W. Beeman, F. Bellini +50

Sterile neutrinos are well-motivated extensions of the Standard Model, introduced to address fundamental questions such as the origin of neutrino masses and the nature of dark matt…

AGILE: an end-to-end Rubin-LSST simulation of AGNs, galaxies, and stars I. Software description and first data release

A. Viitanen, A. Bongiorno, I. Saccheo +37

Contemporary large-scale surveys such as the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) and Euclid present an unprecedented discovery potential for studying A…

hep-th2026

One-loop mass corrections of interacting string states

Lorenzo Grimaldi, Massimo Bianchi, Maurizio Firrotta

The free string spectrum is highly degenerate, with a degeneracy that grows exponentially with the mass. Turning on a non-vanishing string coupling $g_{s}$ introduces interactions, r…

Observation of the doubly charmed baryon $Ξ_{cc}^{+}$ with the LHCb Run 3 detector

LHCb collaboration, R. Aaij, M. Abdelfatah +1106

The first observation of the doubly charmed baryon $Ξ_{cc}^{+}$ is reported through its decay to the $Λ_{c}^{+} K^{-} π^{+}$ final state, with a statistical significance exceeding seven…