Istituto Nazionale di Fisica Nucleare, Sezione di Pisa

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19922026

most citedObservation of Gravitational Waves from a Binary Black Hole Merger

14.2k 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 2025 · hep-exShow all

165 papers · 2 filters

hep-ex2025

Transformer-Based Approach to Enhance Positron Tracking Performance in MEG II

Lapo Dispoto, Fedor Ignatov, Atsushi Oya +2

We developed a Transformer-based pattern recognition method for positron track reconstruction in the MEG II experiment. The model acts as a classifier to remove pileup hits in the…

hep-ex2025★ 1 cited

Characterization of the quantum state of top quark pairs produced in proton-proton collisions at $s$ = 13 TeV using the beam and helicity bases

CMS Collaboration

Measurements of the spin correlation coefficients in the beam basis are presented for top quark-antiquark ( $t t ˉ$ ) systems produced in proton-proton collisions at $\sq…

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…

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

Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

The first observation of electroweak production of a photon in association with two forward jets in proton-proton collisions is presented. The measurement uses data recorded by the…

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★ 8 cited

Physics Briefing Book: Input for the 2026 update of the European Strategy for Particle Physics

Jorge de Blas, Monica Dunford, Emanuele Bagnaschi +127

The European Strategy for Particle Physics (ESPP) reflects the vision and presents concrete plans of the European particle physics community for advancing human knowledge in fundam…

hep-ex2025

Measurement of the top-quark mass using decays with a $J / ψ$ meson at $s =$ 13 TeV with the ATLAS detector

ATLAS Collaboration

The top-quark mass is measured using top-quark decays producing an isolated lepton and $J / ψ$ meson reconstructed in its $μ^{+} μ^{-}$ decay mode. The data sample was recorded with the A…

hep-ex2025

Search for signatures of electroweakinos with photons, jets, and large missing transverse momentum in $s = 13$ TeV pp collisions with the ATLAS detector

ATLAS Collaboration

A search for final states characterised by at least one isolated high transverse-momentum photon, jets and large missing transverse momentum is presented. Such a final state might…

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

Search for higgsinos in compressed mass spectra using low-momentum tracks in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

ATLAS Collaboration

This paper presents two searches for the electroweak production of higgsinos with compressed mass spectra using 140 fb $^{- 1}$ of $s = 13$ TeV proton-proton collision data coll…

hep-ex2025

Search for light pseudoscalar bosons, pair-produced in Higgs boson decays in the four-electron final state in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for pairs of light neutral pseudoscalar bosons (A) resulting from the decay of a Higgs boson is performed. The search is conducted using LHC proton-proton collision data a…

hep-ex2025★ 1 cited

Search for new physics in the final state with a single photon and large missing transverse momentum in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for new physics in events featuring a single photon and missing transverse momentum is presented, using proton-proton $s$ = 13 TeV collision data corresponding to a…

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 $…

hep-ex2025

Search for Higgsinos in final states with low-momentum lepton-track pairs at 13 TeV

CMS Collaboration

We present a search for the pair production of Higgsinos in final states with large missing transverse momentum and either two reconstructed muons or a reconstructed lepton (muon o…

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★ 1 cited

Sensitivity to low-mass WIMPs with an improved liquid argon ionization response model within the DarkSide programme

F. Acerbi, P. Adhikari, P. Agnes +294

Dark matter detection experiments using liquid argon rely on a precise characterization of the ionization response to nuclear recoils, especially in the keV energy range relevant f…

hep-ex2025★ 1 cited

Search for low-mass hidden-valley dark showers with non-prompt muon pairs in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for signatures of a dark analog to quantum chromodynamics is performed. The analysis targets long-lived dark mesons that decay into standard-model particles, with a high b…

hep-ex2025

Search for a new neutral gauge boson produced in association with one or two b jets and decaying into a pair of muons in proton-proton collisions at $s$ = 13 TeV

CMS Collaboration

A search for a new neutral gauge boson, Z', produced in association with one or two jets, including at least one b jet, and decaying into a pair of muons is presented. The analysis…

hep-ex2025

Jet fragmentation function and groomed substructure of bottom quark jets in proton-proton collisions at 5.02 TeV

CMS Collaboration

A measurement of the substructure of bottom quark jets (b jets) in proton-proton (pp) collisions is presented. The measurement uses data collected in pp collisions at $s$ =…

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…

Transformer-Based Approach to Enhance Positron Tracking Performance in MEG II

Characterization of the quantum state of top quark pairs produced in proton-proton collisions at s​ = 13 TeV using the beam and helicity bases

Search for heavy neutral leptons in B-meson decays

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

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

Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at s​ = 13 TeV

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

Physics Briefing Book: Input for the 2026 update of the European Strategy for Particle Physics

Measurement of the top-quark mass using decays with a J/ψ meson at s​=13 TeV with the ATLAS detector

Search for signatures of electroweakinos with photons, jets, and large missing transverse momentum in s​=13 TeV pp collisions with the ATLAS detector

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

Search for higgsinos in compressed mass spectra using low-momentum tracks in pp collisions at s​=13 TeV with the ATLAS detector

Search for light pseudoscalar bosons, pair-produced in Higgs boson decays in the four-electron final state in proton-proton collisions at s​ = 13 TeV

Search for new physics in the final state with a single photon and large missing transverse momentum in proton-proton collisions at s​ = 13 TeV

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

Search for Higgsinos in final states with low-momentum lepton-track pairs at 13 TeV

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

Sensitivity to low-mass WIMPs with an improved liquid argon ionization response model within the DarkSide programme

Search for low-mass hidden-valley dark showers with non-prompt muon pairs in proton-proton collisions at s​ = 13 TeV

Search for a new neutral gauge boson produced in association with one or two b jets and decaying into a pair of muons in proton-proton collisions at s​ = 13 TeV

Jet fragmentation function and groomed substructure of bottom quark jets in proton-proton collisions at 5.02 TeV

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

Characterization of the quantum state of top quark pairs produced in proton-proton collisions at $s$ = 13 TeV using the beam and helicity bases

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

Measurements of electroweak production of a photon in association with two jets in proton-proton collisions at $s$ = 13 TeV

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

Measurement of the top-quark mass using decays with a $J / ψ$ meson at $s =$ 13 TeV with the ATLAS detector

Search for signatures of electroweakinos with photons, jets, and large missing transverse momentum in $s = 13$ TeV pp collisions with the ATLAS detector

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

Search for higgsinos in compressed mass spectra using low-momentum tracks in $pp$ collisions at $s = 13$ TeV with the ATLAS detector

Search for light pseudoscalar bosons, pair-produced in Higgs boson decays in the four-electron final state in proton-proton collisions at $s$ = 13 TeV

Search for new physics in the final state with a single photon and large missing transverse momentum in proton-proton collisions at $s$ = 13 TeV

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

Search for low-mass hidden-valley dark showers with non-prompt muon pairs in proton-proton collisions at $s$ = 13 TeV

Search for a new neutral gauge boson produced in association with one or two b jets and decaying into a pair of muons in proton-proton collisions at $s$ = 13 TeV

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