Istituto Nazionale di Fisica Nucleare, Sezione di Cagliari

output

19922026

most citedFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

1.9k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2025Show all

106 papers · 1 filter

astro-ph.HE2025★ 4 cited

Probing jet base emission of M87* with the 2021 Event Horizon Telescope observations

Saurabh, Hendrik Müller, Sebastiano D. von Fellenberg +282

We investigate the presence and spatial characteristics of the jet base emission in M87* at 230 GHz, enabled by the enhanced uv coverage in the 2021 Event Horizon Telescope (EHT) o…

hep-ex2025★ 2 cited

Search for heavy neutral leptons in B-meson decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1184

A search for long-lived heavy neutral leptons produced in B-meson decays and decaying to a $μ^{\pm} π^{\mp}$ final state is performed with data collected by the LHCb experiment in pro…

hep-ex2025

Measurement of the top-quark production cross-section and charge asymmetry at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1173

The first measurements of the top- and antitop-quark differential production cross-sections and the top-quark charge asymmetry in the forward region are presented, using proton-pro…

cs.DC2025

Scalable Construction of Spiking Neural Networks using up to thousands of GPUs

Bruno Golosio, Gianmarco Tiddia, José Villamar +10

Diverse scientific and engineering research areas deal with discrete, time-stamped changes in large systems of interacting delay differential equations. Simulating such complex sys…

hep-ex2025

Precision measurement of CP violation and branching fractions in $B^{\pm} \to K_{S}^{0} h^{\pm}$ $(h = π, K)$ decays and search for the rare decay $B_{c}^{\pm} \to K_{S}^{0} K^{\pm}$

R. Aaij, A. S. W. Abdelmotteleb, C. Abellan Beteta +1177

The decay $B^{\pm} \to K_{S}^{0} π^{\pm}$ , with a $C P$ asymmetry expected to be close to zero in the Standard Model, is theoretically clean and sensitive to potential new ph…

hep-ex2025★ 1 cited

Measurement of the branching fractions and longitudinal polarisations of $B_{(s)}^{0} \to K^{* 0} K^{* 0}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

A time- and flavour-integrated amplitude analysis of $B^{0}$ and $B_{s}^{0}$ decays to the $(K^{+} π^{-}) (K^{-} π^{+})$ final state in the $K^*(892)^0 \kern 0.18em \overline{\kern -0.18em K}{}^{*}…

hep-ex2025

Observation of the rare baryonic decay $B^{+} \to p Λ ˉ$ and measurement of its weak decay parameter

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1182

The first observation of the decay $B^{+} \to p Λ ˉ$ is presented, using proton-proton collision data collected by the LHCb experiment between 2016 and 2018 at a cent…

hep-ex2025★ 1 cited

First observation of the $B_{s}^{0} \to Λ_{c}^{+} Λ_{c}^{-}$ decay and evidence for the $B^{0} \to Λ_{c}^{+} Λ_{c}^{-}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187

A search is presented for the two-body charmed baryonic decays $B_{(s)}^{0} \to Λ_{c}^{+} Λ_{c}^{-}$ , using a data sample collected by the LHCb experiment during…

hep-ex2025

Observation and investigation of the $T_{c c ˉ 1} (4430)^{+}$ structure in $B^{+} \to ψ (2 S) K_{S}^{0} π^{+}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1184

The first four-dimensional amplitude analysis of the $B^{+} \to ψ (2 S) K_{S}^{0} π^{+}$ decay is performed with proton-proton collision data collected by the LHCb experiment…

hep-ex2025

Differential decay rate of $B^{+} \to J / ψ K^{+}$ with the LHCb Upgrade I experiment

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

The normalised decay rate of $B^{+} \to J / ψ (\to μ^{+} μ^{-}) K^{+}$ is measured as a function of the lepton helicity angle using a data sample corresponding to an integrated luminosity of $…

astro-ph.HE2025★ 1 cited

Aql X-1 from dawn 'til dusk: the early rise, fast state transition and decay of its 2024 outburst

A. Marino, F. Coti Zelati, K. Alabarta +36

Transient Low-Mass X-ray Binaries (LMXBs) are usually first detected by all-sky X-ray monitors when they enter new outbursts, typically at X-ray luminosities above $\sim$ 10 $^{36}$ …

hep-ex2025★ 1 cited

Branching fraction measurement of the $Λ \to p μ^{-} ν_{μ}$ decay

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1187

A measurement of the branching fraction for the decay $Λ \to p μ^{-} ν_{μ}$ is presented using $pp$ collision data collected by the LHCb experiment at a centre…

hep-ex2025★ 2 cited

Measurement of charged-hadron distributions in heavy-flavor jets in proton-proton collisions at $s$ =13 TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1174

Charged-hadron distributions in heavy-flavor jets are measured in proton-proton collisions at a center-of-mass energy of $s$ = 13 TeV collected by the LHCb experiment. Distr…

hep-ex2025

Search for $K_{S (L)}^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ decays at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

A search for $K_{S (L)}^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ decays is performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mass en…

gr-qc2025

Taming singularities and chaos in conformal gravity

Jiale Gu, Leonardo Modesto, Cosimo Bambi

We hereby address the cosmological singularity problem in a general gravitational theory invariant under Weyl conformal transformations. In particular, we focus on the Bianchi IX s…

nucl-ex2025★ 3 cited

Characterization of the ionization response of argon to nuclear recoils at the keV scale with the ReD experiment

P. Agnes, I. Ahmad, S. Albergo +42

In the recent years, argon-based experiments looking for Dark Matter in the Universe have explored the non-standard scenario in which Dark Matter is made by low-mass Weakly Interac…

hep-ex2025★ 1 cited

Measurement of $C P$ asymmetry in $D^{0} \to K_{S}^{0} K_{S}^{0}$ decays with Run 3 data

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1189

A measurement of $C P$ asymmetry in $D^{0} \to K_{S}^{0} K_{S}^{0}$ decays is reported, based on a data sample of proton-proton collisions collected with the LHCb detector in 20…

hep-ex2025★ 1 cited

Searches for $B^{0} \to K^{+} π^{-} τ^{+} τ^{-}$ and $B_{s}^{0} \to K^{+} K^{-} τ^{+} τ^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1185

The first searches for $B^{0} \to K^{+} π^{-} τ^{+} τ^{-}$ and $B_{s}^{0} \to K^{+} K^{-} τ^{+} τ^{-}$ decays at the LHCb experiment are conducted with $pp$ collision data corresponding to an integrated luminos…

astro-ph.HE2025★ 20 cited

Horizon-scale variability of M87* from 2017--2021 EHT observations

The Event Horizon Telescope Collaboration

We report three epochs of polarized images of M87* at 230\,GHz using data from the Event Horizon Telescope (EHT) taken in 2017, 2018, and 2021. The baseline coverage of the 2021 ob…

astro-ph.HE2025★ 12 cited

GRB 250702B: Discovery of a Gamma-Ray Burst from a Black Hole Falling into a Star

Eliza Neights, Eric Burns, Chris L. Fryer +52

Gamma-ray bursts are the most luminous electromagnetic events in the universe. Their prompt gamma-ray emission has typical durations between a fraction of a second and several minu…

cond-mat.mtrl-sci2025

Intrinsic Berry Curvature Driven Anomalous Hall and Nernst Effect in Co $_{2}$ MnSn

Bishal Das, Arnab Bhattacharya, Amit Chanda +5

Magnetic topological semimetals often exhibit unusual electronic and thermal transport due to nontrivial bulk band crossings, enabling simultaneous realization of large anomalous H…

hep-ph2025★ 1 cited

When backgrounds become signals: neutrino interactions in xenon-based dark matter detectors

M. Atzori Corona, M. Cadeddu, N. Cargioli +2

Direct detection dark matter experiments have proven to be compelling probes for studying low-energy neutrino interactions with both nuclei and atomic electrons, offering complemen…

hep-ex2025

Measurement of the $W \to μ ν_{μ}$ cross-sections as a function of the muon transverse momentum in $pp$ collisions at 5.02 TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1186

The $pp \to W^{\pm} (\to μ^{\pm} ν_{μ}) X$ cross-sections are measured at a proton-proton centre-of-mass energy $s = 5.02$ TeV using a dataset corresponding to an integrated l…

hep-ex2025★ 2 cited

Observation of $B_{c}^{+} \to D h^{+} h^{-}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1185

Searches are presented for $B_{c}^{+} \to D h^{+} h^{-}$ decays, where $D$ is a charmed meson and $h^{\pm}$ is a charged pion or kaon, using $pp$ collision data collected by the LHCb e…

Probing jet base emission of M87* with the 2021 Event Horizon Telescope observations

Search for heavy neutral leptons in B-meson decays

Measurement of the top-quark production cross-section and charge asymmetry at LHCb

Scalable Construction of Spiking Neural Networks using up to thousands of GPUs

Precision measurement of CP violation and branching fractions in B±→KS0​h± (h=π,K) decays and search for the rare decay Bc±​→KS0​K±

Measurement of the branching fractions and longitudinal polarisations of B(s)0​→K∗0K∗0 decays

Observation of the rare baryonic decay B+→pΛˉ and measurement of its weak decay parameter

First observation of the Bs0​→Λc+​Λc​− decay and evidence for the B0→Λc+​Λc​− decay

Observation and investigation of the Tccˉ1​(4430)+ structure in B+→ψ(2S)KS0​π+ decays

Differential decay rate of B+→J/ψK+ with the LHCb Upgrade I experiment

Aql X-1 from dawn 'til dusk: the early rise, fast state transition and decay of its 2024 outburst

Branching fraction measurement of the Λ→pμ−νμ​ decay

Measurement of charged-hadron distributions in heavy-flavor jets in proton-proton collisions at s​=13 TeV

Search for KS(L)0​→π+π−μ+μ− decays at LHCb

Taming singularities and chaos in conformal gravity

Characterization of the ionization response of argon to nuclear recoils at the keV scale with the ReD experiment

Measurement of CP asymmetry in D0→KS0​KS0​ decays with Run 3 data

Searches for B0→K+π−τ+τ− and Bs0​→K+K−τ+τ− decays

Horizon-scale variability of M87* from 2017--2021 EHT observations

GRB 250702B: Discovery of a Gamma-Ray Burst from a Black Hole Falling into a Star

Intrinsic Berry Curvature Driven Anomalous Hall and Nernst Effect in Co2​MnSn

When backgrounds become signals: neutrino interactions in xenon-based dark matter detectors

Measurement of the W→μνμ​ cross-sections as a function of the muon transverse momentum in pp collisions at 5.02 TeV

Observation of Bc+​→Dh+h− decays

Precision measurement of CP violation and branching fractions in $B^{\pm} \to K_{S}^{0} h^{\pm}$ $(h = π, K)$ decays and search for the rare decay $B_{c}^{\pm} \to K_{S}^{0} K^{\pm}$

Measurement of the branching fractions and longitudinal polarisations of $B_{(s)}^{0} \to K^{* 0} K^{* 0}$ decays

Observation of the rare baryonic decay $B^{+} \to p Λ ˉ$ and measurement of its weak decay parameter

First observation of the $B_{s}^{0} \to Λ_{c}^{+} Λ_{c}^{-}$ decay and evidence for the $B^{0} \to Λ_{c}^{+} Λ_{c}^{-}$ decay

Observation and investigation of the $T_{c c ˉ 1} (4430)^{+}$ structure in $B^{+} \to ψ (2 S) K_{S}^{0} π^{+}$ decays

Differential decay rate of $B^{+} \to J / ψ K^{+}$ with the LHCb Upgrade I experiment

Branching fraction measurement of the $Λ \to p μ^{-} ν_{μ}$ decay

Measurement of charged-hadron distributions in heavy-flavor jets in proton-proton collisions at $s$ =13 TeV

Search for $K_{S (L)}^{0} \to π^{+} π^{-} μ^{+} μ^{-}$ decays at LHCb

Measurement of $C P$ asymmetry in $D^{0} \to K_{S}^{0} K_{S}^{0}$ decays with Run 3 data

Searches for $B^{0} \to K^{+} π^{-} τ^{+} τ^{-}$ and $B_{s}^{0} \to K^{+} K^{-} τ^{+} τ^{-}$ decays

Intrinsic Berry Curvature Driven Anomalous Hall and Nernst Effect in Co $_{2}$ MnSn

Measurement of the $W \to μ ν_{μ}$ cross-sections as a function of the muon transverse momentum in $pp$ collisions at 5.02 TeV

Observation of $B_{c}^{+} \to D h^{+} h^{-}$ decays