The Pierre Auger Observatory: Contributions to the 39th International Cosmic Ray Conference (ICRC 2025)

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +352

Study of nuclear effects on charm production in light-ion collisions

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

Constraining models for the origin of ultra-high-energy cosmic rays with a novel combined analysis of arrival directions, spectrum, and composition data measured at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +371

Ultra-High-Energy Cosmic Rays: The Intersection of the Cosmic and Energy Frontiers

A. Coleman, J. Eser, E. Mayotte +95

Extraction of the Muon Signals Recorded with the Surface Detector of the Pierre Auger Observatory Using Recurrent Neural Networks

The Pierre Auger Collaboration, A. Aab, P. Abreu +370

Study of the $B^0 \to Λ_c^+ \barΛ_c^- K_S^0$ decay

LHCb collaboration, R. Aaij, M. Abdelfatah +1113

Measurement of the cosmic-ray energy spectrum above $2.5{\times} 10^{18}$ eV using the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +380

Constraints on metastable superheavy dark matter coupled to sterile neutrinos with the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +368

First evidence of the decay $B^+\toπ^+ e^+ e^-$

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

Test of lepton flavour universality with $B^0\to K^{*0}\ell^+\ell^-$ decays at large dilepton invariant mass

LHCb collaboration, R. Aaij, M. Abdelfatah +1115

Comprehensive analysis of the $B^0\to K^{*0}μ^+μ^-$ decay

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

Report on Tests and Measurements of Hadronic Interaction Properties with Air Showers

H. P. Dembinski, J. C. Arteaga-Velázquez, L. Cazon +18

Measuring the muon content of inclined air showers using AERA and the water-Cherenkov detectors of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +360

Search for a diffuse flux of photons with energies above tens of PeV at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +359

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

Constraining the sources of ultra-high-energy cosmic rays across and above the ankle with the spectrum and composition data measured at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +365

Features of the energy spectrum of cosmic rays above $2.5{\times} 10^{18}$ eV using the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +380

Ground observations of a space laser for the assessment of its in-orbit performance

The Pierre Auger Collaboration, O. Lux, I. Krisch +380

Associated $Z$ + $J/ψ$ production as a probe of multiparton interactions in the forward region

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

Indication of anisotropy in arrival directions of ultra-high-energy cosmic rays through comparison to the flux pattern of extragalactic gamma-ray sources

The Pierre Auger Collaboration, A. Aab, P. Abreu +390

Differential measurement of the branching fraction and $C\!P$ asymmetry of the decay $B^\pm\to π^\pmμ^+μ^-$

LHCb collaboration, R. Aaij, M. Abdelfatah +1121

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

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

Impact of the Magnetic Horizon on the Interpretation of the Pierre Auger Observatory Spectrum and Composition Data

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +364

Cosmological implications of photon-flux upper limits at ultra-high energies in scenarios of Planckian-interacting massive particles for dark matter

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +374

Large-scale cosmic ray anisotropies with 19 years of data from the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +355

Measurement of the average transverse momentum of forward prompt charged particles in $pp$ and $p\mathrm{Pb}$ collisions at $\sqrt{s_{NN}} = 5.02\; \mathrm{TeV}$

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

The paper reports the first measurements of the average transverse momentum of prompt charged particles in pp and pPb collisions at 5.02 TeV, studying its dependence on event multi…

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

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

First observation of the $\overline{B}_{s}^{0}\toΛ_{c}^{+}\overlineΛ_{c}{}^{-}$ decay and evidence for the $\overline{B}^{0}\toΛ_{c}^{+}\overlineΛ_{c}{}^{-}$ decay

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

AugerPrime Surface Detector Electronics

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +368

Polarization measurement of $Λ^+_c$ and $\overlineΛ{}^-_c$ baryons in $p$Ne collisions at $\sqrt{s_{NN}} = 68.6$ GeV

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

Observation of the decay $χ_{c1}(3872)\rightarrow J\mskip -3mu/\mskip -2muψμ^+μ^-$

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

Observation of inclined EeV air showers with the radio detector of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +392

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

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

Search for ultra-high energy neutrons from Galactic sources with the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +357

CORSIKA 8: A General Framework for Particle Cascade Simulations

J. M. Alameddine, J. Albrecht, A. A Alves +34

Differential decay rate of $B^+ \to J/ψK^+$ with the LHCb Upgrade I experiment

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

Observation of a new excited charm-strange meson $D_{s1}(2933)^+$ in $B^0\to D^+ D^- K^+ π^-$ decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

Precise measurement of the CKM angle $γ$ with a novel approach

The BESIII, LHCb Collaborations, : +1903

The energy spectrum of cosmic rays beyond the turn-down around $10^{17}$ eV as measured with the surface detector of the Pierre Auger Observatory

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +374

Testing Hadronic-Model Predictions of Depth of Maximum of Air-Shower Profiles and Ground-Particle Signals using Hybrid Data of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +368

Testing effects of Lorentz invariance violation in the propagation of astroparticles with the Pierre Auger Observatory

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +374

The Pierre Auger Observatory Open Data

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +358

Calibration of the underground muon detector of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +370

The distribution of ultra-high-energy cosmic rays along the supergalactic plane measured at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +364

Cosmic-ray anisotropies in right ascension measured by the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +373

Measurement of the branching fractions and longitudinal polarisations of $B^0_{(s)} \to K^{*0} \kern 0.18em \overline{\kern -0.18em K}{}^{*0}$ decays

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

Measurement of the ratio of branching fractions $\mathcal{B}(B_c^+ \to J/ψτ^+ ν_τ)/\mathcal{B}(B_c^+ \to J/ψμ^+ ν_μ)$

LHCb collaboration, R. Aaij, M. Abdelfatah +1121

First measurement of time-dependent $CP$ violation in the flavor-changing neutral-current decay $B^{0}\rightarrow K_{S}^{0}μ^{+}μ^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1165

$B$-jet fragmentation with $B^{\pm} \to J/ψK^{\pm}$ decays in $\sqrt{s} = 13$ TeV $pp$ collisions at LHCb

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1166

Long-term calibration and validation of stability of the Auger Engineering Radio Array using the diffuse Galactic radio emission

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +356

Probing the origin of ultra-high-energy cosmic rays with neutrinos in the EeV energy range using the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +389

Evidence for the decay $B^0_s\toϕη'$

LHCb collaboration, R. Aaij, M. Abdelfatah +1101

The FRAM robotic telescope for atmospheric monitoring at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +377

Measurement of the CKM angle $γ$ in $B^{\pm} \rightarrow D(\rightarrow K^{0}_{\rm S} h^{\prime+}h^{\prime-})h^{\pm}$ decays with a novel approach

The BESIII, LHCb Collaborations, : +1903

A Catalog of the Highest-Energy Cosmic Rays Recorded During Phase I of Operation of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +376

Studies on the response of a water-Cherenkov detector of the Pierre Auger Observatory to atmospheric muons using an RPC hodoscope

The Pierre Auger Collaboration, A. Aab, P. Abreu +375

Design, upgrade and characterization of the silicon photomultiplier front-end for the AMIGA detector at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +357

Limits to gauge coupling in the dark sector set by the non-observation of instanton-induced decay of Super-Heavy Dark Matter in the Pierre Auger Observatory data

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +374

Search for the decays $B_{(s)}^0\to J/ψγ$ at LHCb

LHCb collaboration, R. Aaij, M. Abdelfatah +1116

Angular analysis of the $B^+\toπ^+μ^+μ^-$ decay

LHCb collaboration, R. Aaij, M. Abdelfatah +1112

Spectral Calibration of the Fluorescence Telescopes of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +403

Arrival Directions of Cosmic Rays above 32 EeV from Phase One of the Pierre Auger Observatory

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +372

Measurement of the fluctuations in the number of muons in extensive air showers with the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +365

Search for Spatial Correlations of Neutrinos with Ultra-High-Energy Cosmic Rays

The ANTARES collaboration, A. Albert, S. Alves +1042

Observation of the charmless purely baryonic decay $\mathinner{\mathitΛ^0_b\!\to \mathitΛ p \overline{p}}$

LHCb collaboration, R. Aaij, M. Abdelfatah +1103

Search for UHE Photons from Gravitational Wave Sources with the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +368

Multi-Messenger Physics with the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +390

Depth of Maximum of Air-Shower Profiles above 10^17.7 eV Measured with the Fluorescence Detector of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +358

Search for High-energy Neutrinos from Binary Neutron Star Merger GW170817 with ANTARES, IceCube, and the Pierre Auger Observatory

A. Albert, M. Andre, M. Anghinolfi +1931

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

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

First measurement of the decay-time-integrated $C\!P$ asymmetry in $B_s^0 \to D_s^- π^+$ decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

Search for the decays $B^+_{(c)} \to μ^+ ν_μγ$

LHCb collaboration, R. Aaij, M. Abdelfatah +1128

The LHCb experiment searched for the rare radiative leptonic decays B⁺→μ⁺ν_μγ and B_c⁺→μ⁺ν_μγ in 13 TeV proton‑proton collisions, finding no signal and setting upper limits on thei…

Deep-Learning based Reconstruction of the Shower Maximum $X_{\mathrm{max}}$ using the Water-Cherenkov Detectors of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +370

Observation of new excited $\itΣ_{c}^{0}$ states in the $B^-\rightarrow \itΛ^+_c\overline{p}π^{-}$ decay

LHCb collaboration, R. Aaij, M. Abdelfatah +1100

Measurement of inclusive production of charmonium states in $b$-hadron decays via their decay into $ϕϕ$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1176

Investigating Hadronic Interactions at Ultra-High Energies with the Pierre Auger Observatory

Isabel Goos, :, P. Abreu +374

First evidence of the $B_s^0\rightarrow K^-π^+γ$ decay

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

Inferences on Mass Composition and Tests of Hadronic Interactions from 0.3 to 100 EeV using the water-Cherenkov Detectors of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +403

A search for the anomalous events detected by ANITA using the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +374

Search for photons above 10$^{19}$ eV with the surface detector of the Pierre Auger Observatory

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +365

Radio Measurements of the Depth of Air-Shower Maximum at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +372

Proton-air interaction properties at $\sqrt{s} \simeq 100$ TeV from shower-depth measurements with the Pierre Auger Observatory and their connection to the Muon Puzzle

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +347

Inference of the Mass Composition of Cosmic Rays with energies from $\mathbf{10^{18.5}}$ to $\mathbf{10^{20}}$ eV using the Pierre Auger Observatory and Deep Learning

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +364

Observation of a Large-scale Anisotropy in the Arrival Directions of Cosmic Rays above $8 \times 10^{18}$ eV

The Pierre Auger Collaboration, A. Aab, P. Abreu +404

Measurement of the local and nonlocal amplitudes in $B^{+}\to K^{+}μ^{+}μ^{-}$ decays

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

Search for $C\!P$ violation in $D^+ \to ϕπ^+$ decays

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

Measurement of the $W$-boson production cross-sections in $pp$ collisions at $\sqrt{s}$ = 13 TeV in the forward region

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

A search for photons with energies above $2{\times}10^{17}$ eV using hybrid data from the low-energy extensions of the Pierre Auger Observatory

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +373

Search for $τ^-\to μ^-μ^+μ^-$ decays at the LHCb experiment with Run 2 data

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1188

Searches for Ultra-High-Energy Photons at the Pierre Auger Observatory

The Pierre Auger Collaboration, P. Abreu, M. Aglietta +362

Observation of $CP$ violation in $B^{0}\!\to{J\mskip-3mu/\mskip-2muψ}ρ(770)^0$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1172

The LHCb collaboration measures the time‑dependent CP asymmetry in B⁰ → J/ψ ρ⁰ decays, reporting the first observation of CP violation in this channel and determining the effective…

Observation of the rare baryonic decay $B^{+}\rightarrow p \bar{\itΛ}$ and measurement of its weak decay parameter

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

Evidence for the rare decay $B^{+} \to \bar Λp μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1192

Search for the lepton-flavour violating decays $B^+ \to π^+ μ^\pm e^\mp$

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

A search for ultra high energy neutrinos from TXS 0506+056 using the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +364

Design and implementation of the AMIGA embedded system for data acquisition

The Pierre Auger Collaboration, A. Aab, P. Abreu +383

Quasi-constant time gap in multiple rings of elves

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +359

Search for photons above 10$^{18}$ eV by simultaneously measuring the atmospheric depth and the muon content of air showers at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Abdul Halim, P. Abreu +364

Measurement of $γ$ using $B^{\pm}\rightarrow DK^{\pm}$ and $B^{\pm}\rightarrow Dπ^{\pm}$ decays with $D\rightarrow K_{\rm S}^{0}π^{+}π^{-}$ and $D\rightarrow K_{\rm S}^{0}K^{+}K^{-}$

LHCb collaboration, R. Aaij, M. Abdelfatah +1105

Precision measurement of the muon charge asymmetry from $W$-boson decays in $pp$ collisions at $\sqrt{s}$ = 13 TeV in the forward region

LHCb collaboration, R. Aaij, M. Abdelfatah +1114