RU
R. Ulrich
astro-ph.HEhep-exastro-ph.IMnucl-exhep-phCMSphysics.ins-detastro-phPhysicsastro-ph.CO
On Valency
published · living versionsW_gur2am6v·v1 · currentpublished
Studies of Cosmic Ray Composition and Air Shower Structure with the Pierre Auger Observatory
with The Pierre Auger Collaboration, J. Abraham, P. Abreu, M. Aglietta +468
1 version
Preprints & journals
392 papers in the corpus · 1987–2025Search for Fractionally Charged Particles in Proton-Proton Collisions at sqrt[s]=13 TeV.40250389 · Hayrapetyan, A, Tumasyan, A, Adam, W et al.2025 · 10 citationsPhysical review letters. 2025;134(13):131802
Modified Hadronic Interactions and the future of UHECR observations2502.08798v2 · Jan Ebr, Jir'i Blazek, Jakub V'icha et al.2025 · 1 citationPoS UHECR2024 (2025) 046
Observation of Enhanced Long-Range Elliptic Anisotropies Inside High-Multiplicity Jets in pp Collisions at sqrt[s]=13 TeV.39423390 · Hayrapetyan, A, Tumasyan, A, Adam, W et al.2024 · 16 citationsPhysical review letters. 2024;133(14):142301
Simulating radio emission from particle cascades with CORSIKA 82409.15999v1 · J.M. Alameddine, J. Albrecht, J. Ammerman-Yebra et al.2024 · 6 citationsAstropart. Phys. 166, 103072 (2025)
Observation of the ϒ(3S) Meson and Suppression of ϒ States in Pb-Pb Collisions at sqrt[s_NN]=5.02 TeV.39073941 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2024 · 19 citationsPhysical review letters. 2024;133(2):022302
Search for Narrow Trijet Resonances in Proton-Proton Collisions at sqrt[s]=13 TeV.39042800 · Hayrapetyan, A, Tumasyan, A, Adam, W et al.2024 · 5 citationsPhysical review letters. 2024;133(1):011801
Combination of Measurements of the Top Quark Mass from Data Collected by the ATLAS and CMS Experiments at sqrt[s]=7 and 8 TeV.38996325 · Hayrapetyan, A, Tumasyan, A, Adam, W et al.2024 · 16 citationsPhysical review letters. 2024;132(26):261902
New Structures in the J/ψJ/ψ Mass Spectrum in Proton-Proton Collisions at sqrt[s]=13 TeV.38563916 · Hayrapetyan, A, Tumasyan, A, Adam, W et al.2024 · 123 citationsPhysical review letters. 2024;132(11):111901
Search for Scalar Leptoquarks Produced via τ-Lepton-Quark Scattering in pp Collisions at sqrt[s]=13 TeV.38394587 · Hayrapetyan, A, Tumasyan, A, Adam, W et al.2024 · 5 citationsPhysical review letters. 2024;132(6):061801
Search for Inelastic Dark Matter in Events with Two Displaced Muons and Missing Transverse Momentum in Proton-Proton Collisions at sqrt[s]=13 TeV.38335361 · Hayrapetyan, A, Tumasyan, A, Adam, W et al.2024 · 9 citationsPhysical review letters. 2024;132(4):041802
Evidence for the Higgs Boson Decay to a Z Boson and a Photon at the LHC.38277607 · Aad, G, Abbott, B, Abeling, K et al.2024 · 47 citationsPhysical review letters. 2024;132(2):021803
Search for exotic decays of the Higgs boson to a pair of pseudoscalars in the μμbb and ττbb final states.38757620 · CMS Collaboration, Hayrapetyan, A, Tumasyan, A et al.2024 · 9 citationsThe European physical journal. C, Particles and fields. 2024;84(5):493
Observation of the Λ b 0 → J / ψ Ξ - K + decay.39422214 · CMS Collaboration, Hayrapetyan, A, Tumasyan, A et al.2024 · 11 citationsThe European physical journal. C, Particles and fields. 2024;84(10):1062
Observation of τ Lepton Pair Production in Ultraperipheral Pb-Pb Collisions at sqrt[s_NN]=5.02 TeV.37897747 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2023 · 30 citationsPhysical review letters. 2023;131(15):151803
Measurement of the Dependence of the Hadron Production Fraction Ratios f_s/f_u and f_d/f_u on B Meson Kinematic Variables in Proton-Proton Collisions at sqrt[s]=13 TeV.37802954 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2023 · 5 citationsPhysical review letters. 2023;131(12):121901
Search for Exotic Higgs Boson Decays H→AA→4γ with Events Containing Two Merged Diphotons in Proton-Proton Collisions at sqrt[s]=13 TeV.37739361 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2023 · 16 citationsPhysical review letters. 2023;131(10):101801
Observation of the Rare Decay of the η Meson to Four Muons.37721839 · Hayrapetyan, A, Tumasyan, A, Adam, W et al.2023 · 11 citationsPhysical review letters. 2023;131(9):091903
Observation of Same-Sign WW Production from Double Parton Scattering in Proton-Proton Collisions at sqrt[s]=13 TeV.37721845 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2023 · 8 citationsPhysical review letters. 2023;131(9):091803
Search for Higgs Boson Decay to a Charm Quark-Antiquark Pair in Proton-Proton Collisions at sqrt[s]=13 TeV.37625071 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2023 · 45 citationsPhysical review letters. 2023;131(6):061801
Azimuthal Correlations within Exclusive Dijets with Large Momentum Transfer in Photon-Lead Collisions.37595238 · Tumasyan, A, Adam, W, Bergauer, T et al.2023 · 13 citationsPhysical review letters. 2023;131(5):051901
Search for Higgs Boson and Observation of Z Boson through Their Decay into a Charm Quark-Antiquark Pair in Boosted Topologies in Proton-Proton Collisions at sqrt[s]=13 TeV.37566854 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2026 · 11 citationsPhysical review letters. 2023;131(4):041801
Search for Nonresonant Pair Production of Highly Energetic Higgs Bosons Decaying to Bottom Quarks.37566864 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2023 · 31 citationsPhysical review letters. 2023;131(4):041803
Search for UHE Photons from Gravitational Wave Sources with the Pierre Auger Observatory2307.10839v1 · A. Abdul Halim, P. Abreu, M. Aglietta et al.2023 · 5 citationsApJ 952 (2023) 91
Limits to Gauge Coupling in the Dark Sector Set by the Nonobservation of Instanton-Induced Decay of Super-Heavy Dark Matter in the Pierre Auger Observatory Data.36827568 · Abreu, P, Aglietta, M, Albury, J M et al.2023 · 22 citationsPhysical review letters. 2023;130(6):061001
Search for light Higgs bosons from supersymmetric cascade decays in pp collisions at s=13TeV.37432681 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2023 · 2 citationsThe European physical journal. C, Particles and fields. 2023;83(7):571
Measurement of the differential tt¯ production cross section as a function of the jet mass and extraction of the top quark mass in hadronic decays of boosted top quarks.37432714 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2023 · 23 citationsThe European physical journal. C, Particles and fields. 2023;83(7):560
CMS pythia 8 colour reconnection tunes based on underlying-event data.37440247 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2023 · 18 citationsThe European physical journal. C, Particles and fields. 2023;83(7):587
Measurement of the mass dependence of the transverse momentum of lepton pairs in Drell-Yan production in proton-proton collisions at s=13TeV.37471210 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2023 · 22 citationsThe European physical journal. C, Particles and fields. 2023;83(7):628
Measurements of the Higgs boson production cross section and couplings in the W boson pair decay channel in proton-proton collisions at s=13TeV.37522748 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2023 · 34 citationsThe European physical journal. C, Particles and fields. 2023;83(7):667
A search for decays of the Higgs boson to invisible particles in events with a top-antitop quark pair or a vector boson in proton-proton collisions at s=13TeV.37855556 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2024 · 46 citationsThe European physical journal. C, Particles and fields. 2023;83(10):933
Measurement of the top quark mass using a profile likelihood approach with the lepton + jets final states in proton-proton collisions at s=13TeV.37906635 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2024 · 22 citationsThe European physical journal. C, Particles and fields. 2023;83(10):963
A Catalog of the Highest-Energy Cosmic Rays Recorded During Phase I of Operation of the Pierre Auger Observatory2211.16020v1 · A. Abdul Halim, P. Abreu, M. Aglietta et al.2022 · 15 citationsarXiv
Searches for Ultra-High-Energy Photons at the Pierre Auger Observatory2210.12959v1 · P. Abreu, M. Aglietta, I. Allekotte et al.2022 · 25 citationsUniverse 8 (2022) 579
Feasibility Studies of Charge Exchange Measurements in pp Collisions at the LHC.36141074 · Fehérkuti, Anna, Veres, Gábor I, Ulrich, Ralf et al.2022 · 0 citationsEntropy (Basel, Switzerland). 2022;24(9)
Cosmological implications of photon-flux upper limits at ultra-high energies in scenarios of Planckian-interacting massive particles for dark matter2208.02353v2 · P. Abreu, M. Aglietta, J.M. Albury et al.2022 · 21 citationsPhys.Rev.D 107 (2023) 4, 042002
Search for Flavor-Changing Neutral Current Interactions of the Top Quark and Higgs Boson in Final States with Two Photons in Proton-Proton Collisions at sqrt[s]=13 TeV.35905365 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2022 · 23 citationsPhysical review letters. 2022;129(3):032001
Search for Resonances Decaying to Three W Bosons in Proton-Proton Collisions at sqrt[s]=13 TeV.35867460 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2022 · 3 citationsPhysical review letters. 2022;129(2):021802
Probing Charm Quark Dynamics via Multiparticle Correlations in Pb-Pb Collisions at sqrt[s_NN]=5.02 TeV.35867464 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2022 · 10 citationsPhysical review letters. 2022;129(2):022001
First Search for Exclusive Diphoton Production at High Mass with Tagged Protons in Proton-Proton Collisions at sqrt[s]=13 TeV.35841572 · Tumasyan, A, Adam, W, Bergauer, T et al.2022 · 29 citationsPhysical review letters. 2022;129(1):011801
Observation of the B_c^+ Meson in Pb-Pb and pp Collisions at sqrt[s_NN]=5.02 TeV and Measurement of its Nuclear Modification Factor.35802434 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2022 · 22 citationsPhysical review letters. 2022;128(25):252301
A search for photons with energies above eV using hybrid data from the low-energy extensions of the Pierre Auger Observatory2205.14864v1 · P. Abreu, M. Aglietta, J.M. Albury et al.2022 · 42 citationsApJ 933 (2022) 125
Measurement of the Inclusive and Differential Higgs Boson Production Cross Sections in the Decay Mode to a Pair of τ Leptons in pp Collisions at sqrt[s]=13 TeV.35275660 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2022 · 15 citationsPhysical review letters. 2022;128(8):081805
Search for Spatial Correlations of Neutrinos with Ultra-High-Energy Cosmic Rays2201.07313v3 · A. Albert, S. Alves, M. Andr'e et al.2022 · 22 citationsApJ 934 164 (2022)
Search for long-lived particles decaying to leptons with large impact parameter in proton-proton collisions at s = 13 Te .35226718 · Tumasyan, A, Adam, W, Andrejkovic, J W et al.2024 · 24 citationsThe European physical journal. C, Particles and fields. 2022;82(2):153
Search for strongly interacting massive particles generating trackless jets in proton-proton collisions at s = 13 TeV.35302730 · Tumasyan, A, Adam, W, Bergauer, T et al.2022 · 5 citationsThe European physical journal. C, Particles and fields. 2022;82(3):213
Search for low-mass dilepton resonances in Higgs boson decays to four-lepton final states in proton-proton collisions at s = 13 TeV.35467301 · Tumasyan, A, Adam, W, Bergauer, T et al.2022 · 22 citationsThe European physical journal. C, Particles and fields. 2022;82(4):290
Measurements of the associated production of a W boson and a charm quark in proton-proton collisions at s = 8 TeV.36507928 · Tumasyan, A, Adam, W, Bergauer, T et al.2024 · 13 citationsThe European physical journal. C, Particles and fields. 2022;82(12):1094
CORSIKA 8 -- Contributions to the 37th International Cosmic Ray Conference in Berlin Germany (ICRC 2021)2112.11761v1 · Jean-Marco Alameddine, Johannes Albrecht, Jaime Alvarez-Muniz et al.2021 · 6 citationsarXiv
The energy spectrum of cosmic rays beyond the turn-down around eV as measured with the surface detector of the Pierre Auger Observatory2109.13400v3 · P. Abreu, M. Aglietta, J.M. Albury et al.2021 · 112 citationsEur. Phys. J. C (2021) 81:966
Observation of Forward Neutron Multiplicity Dependence of Dimuon Acoplanarity in Ultraperipheral Pb-Pb Collisions at sqrt[s_NN]=5.02 TeV.34597080 · Sirunyan, A M, Tumasyan, A, Adam, W et al.2021 · 45 citationsPhysical review letters. 2021;127(12):122001
Career total: 1715 works. 392 are in this corpus.Showing the 50 most recent.
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