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sebastian tapia araya

Investigador Asociado

Universidad Técnica Federico Santa María

Valparaíso, Chile

Quark Gluon Plasma, Jet physics, Energy Loss, Heavy Flavors

Fisica nuclear alta energia, UNIVERSIDAD TECNICA FEDERICO SANTA MARIA. Chile, 2018
Fisica de particulas alta energia , UNIVERSIDAD TECNICA FEDERICO SANTA MARIA. Chile, 2013

Postdoctoral Researcher Full Time

University of Illinois at Urbana-Champaign

Urbana, Estados Unidos

2018 - 2021
Postdoctoral Researcher Full Time

Iowa State University

Ames, Chile

2021 - 2022
Associate Researcher Full Time

Universidad Tecnica Federico Santa Maria

Valparaiso, Chile

2022 - At present


A precise measurement of the Z-boson double-differential transverse momentum and rapidity distributions in the full phase space of the decay leptons with the ATLAS experiment at √s=8 TeV ATLAS Collaboration Article ISI SCOPUS European Physical Journal C (2024)
A search for R-parity-violating supersymmetry in final states containing many jets in pp collisions at √s=13 TeV with the ATLAS detector ATLAS Collaboration Article JOURNAL OF HIGH ENERGY PHYSICS (2024)
Accuracy versus precision in boosted top tagging with the ATLAS detector ATLAS Collaboration(2095 authors) Article ISI SCOPUS Journal of Instrumentation (2024)
Azimuthal Angle Correlations of Muons Produced via Heavy-Flavor Decays in 5.02 TeV Pb + Pb and pp Collisions with the ATLAS Detector ATLAS Collaboration Article ISI SCOPUS Physical Review Letters (2024)
Calibration of a soft secondary vertex tagger using proton-proton collisions at √s=13 TeV with the ATLAS detector ATLAS Collaboration(2875 authors) Article ISI SCOPUS Physical Review D (2024)
Combination of Measurements of the Top Quark Mass from Data Collected by the ATLAS and CMS Experiments at √s=7 and 8 TeV ATLAS Collaboration Article ISI SCOPUS Physical Review Letters (2024)
Combination of searches for heavy spin-1 resonances using 139 fb-1 of proton-proton collision data at √s=13 TeV with the ATLAS detector ATLAS Collaboration Article JOURNAL OF HIGH ENERGY PHYSICS (2024)
Combination of searches for Higgs boson decays into a photon and a massless dark photon using pp collisions at 13 TeV with the ATLAS detector ATLAS Collaboration(2875 authors) Article WOS JOURNAL OF HIGH ENERGY PHYSICS (2024)
Combination of searches for pair-produced leptoquarks at √s=13 TeV with the ATLAS detector ATLAS Collaboration Article ISI SCOPUS Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics (2024)
Combination of Searches for Resonant Higgs Boson Pair Production Using pp Collisions at √s=13 TeV with the ATLAS Detector ATLAS Collaboration(2095 authors) Article ISI SCOPUS Physical Review Letters (2024)
Improving topological cluster reconstruction using calorimeter cell timing in ATLAS ATLAS Collaboration Article european (2024)
Measurement and interpretation of same-sign W boson pair production in association with two jets in pp collisions at √s=13 TeV with the ATLAS detector ATLAS Collaboration Article JOURNAL OF HIGH ENERGY PHYSICS (2024)
Measurement of differential cross-sections in t t ‾ t t and t t ‾ t t +jets production in the lepton+jets final state in pp collisions at 13 TeV using 140 fb-1 of ATLAS data Article WOS JOURNAL OF HIGH ENERGY PHYSICS (2024)
Measurement of jet substructure in boosted t(t)over-bar events with the ATLAS detector using 140 fb-1 of 13 TeV pp collisions ATLAS Collaboration Article ISI SCOPUS Physical Review D (2024)
Measurement of single top-quark production in association with a W boson in p p collisions at s = 13 TeV with the ATLAS detector ATLAS Collaboration(2095 authors) Article WOS PHYSICAL REVIEW D (2024)
Measurement of the Centrality Dependence of the Dijet Yield in p plus Pb Collisions at √sNN=8.16 TeV with the ATLAS Detector ATLAS Collaboration Article ISI SCOPUS Physical Review Letters (2024)
Measurement of the production cross-section of J/ψ and ψ(2S) mesons in pp collisions at √s=13 TeV with the ATLAS detector ATLAS Collaboration Article ISI SCOPUS European Physical Journal C (2024)
Measurement of the total and differential cross-sections of t(t)over-bar W production in pp collisions at √s=13 TeV with the ATLAS detector ATLAS Collaboration Article JOURNAL OF HIGH ENERGY PHYSICS (2024)
Measurement of the V H, H → ττ process with the ATLAS detector at 13 TeV ATLAS Collaboration Article ISI SCOPUS Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics (2024)
Measurement of vector boson production cross sections and their ratios using pp collisions at √s=13.6 TeV with the ATLAS detector ATLAS Collaboration Article ISI SCOPUS Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics (2024)
Measurement of ZZ production cross-sections in the four-lepton final state in pp collisions at √s=13.6 TeV with the ATLAS experiment ATLAS Collaboration Article ISI SCOPUS Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics (2024)
Measurements of jet cross-section ratios in 13 TeV proton-proton collisions with ATLAS ATLAS Collaboration(2875 authors) Article ISI SCOPUS Physical Review D (2024)
Performance of the ATLAS forward proton Time-of-Flight detector in Run 2 ATLAS Collaboration Article ISI SCOPUS Journal of Instrumentation (2024)
Search for R -parity violating supersymmetric decays of the top squark to a b -jet and a lepton in 13 TeV pp collisions with the ATLAS detector ATLAS Collaboration(2875 authors) Article WOS PHYSICAL REVIEW D (2024)
Search for a CP-odd Higgs boson decaying into a heavy CP-even Higgs boson and a Z boson in the l+l-t(t)over-bar and ν(ν)over-barb(b)over-bar final states using 140 fb-1 of data collected with the ATLAS detector ATLAS Collaboration Article JOURNAL OF HIGH ENERGY PHYSICS (2024)
Search for a resonance decaying into a scalar particle and a Higgs boson in final states with leptons and two photons in proton-proton collisions at 13 TeV with the ATLAS detector ATLAS Collaboration(2875 authors) Article WOS JOURNAL OF HIGH ENERGY PHYSICS (2024)
Search for dark mesons decaying to top and bottom quarks in proton-proton collisions at 13 TeV with the ATLAS detector ATLAS Collaboration(2875 authors) Article WOS JOURNAL OF HIGH ENERGY PHYSICS (2024)
Search for electroweak production of supersymmetric particles in final states with two τ-leptons in √s=13 TeV pp collisions with the ATLAS detector ATLAS Collaboration Article JOURNAL OF HIGH ENERGY PHYSICS (2024)
Search for high-mass resonances in final states with a τ-lepton and missing transverse momentum with the ATLAS detector ATLAS Collaboration Article ISI SCOPUS Physical Review D (2024)
Search for Nearly Mass-Degenerate Higgsinos Using Low-Momentum Mildly Displaced Tracks in pp Collisions at √s=13 TeV with the ATLAS Detector ATLAS Collaboration Article ISI SCOPUS Physical Review Letters (2024)
Search for neutral long-lived particles that decay into displaced jets in the ATLAS calorimeter in association with leptons or jets using pp collisions at 13 TeV ATLAS Collaboration(2095 authors) Article WOS JOURNAL OF HIGH ENERGY PHYSICS (2024)
Search for New Phenomena in Two-Body Invariant Mass Distributions Using Unsupervised Machine Learning for Anomaly Detection at p s=13 TeV ffi with the ATLAS Detector ATLAS Collaboration Article ISI SCOPUS Physical Review Letters (2024)
Search for new phenomena with top-quark pairs and large missing transverse momentum using 140 fb-1 of pp collision data at √s=13 TeV with the ATLAS detector ATLAS Collaboration Article JOURNAL OF HIGH ENERGY PHYSICS (2024)
Search for non-resonant Higgs boson pair production in final states with leptons, taus, and photons in pp collisions at s s = 13 TeV with the ATLAS detector ATLAS Collaboration(2875 authors) Article WOS JOURNAL OF HIGH ENERGY PHYSICS (2024)
Search for pair production of higgsinos in events with two Higgs bosons and missing transverse momentum in √s=13 TeV pp collisions at the ATLAS experiment ATLAS Collaboration Article ISI SCOPUS Physical Review D (2024)
Search for pair production of squarks or gluinos decaying via sleptons or weak bosons in final states with two same-sign or three leptons with the ATLAS detector ATLAS Collaboration Article JOURNAL OF HIGH ENERGY PHYSICS (2024)
Search for pair-produced vectorlike quarks coupling to light quarks in the lepton plus jets final state using 13 TeV p p collisions with the ATLAS detector ATLAS Collaboration(2875 authors) Article WOS PHYSICAL REVIEW D (2024)
Search for quantum black hole production in lepton plus jet final states using proton-proton collisions at √s=13 TeV with the ATLAS detector ATLAS Collaboration Article ISI SCOPUS Physical Review D (2024)
Search for resonant production of dark quarks in the dijet final state with the ATLAS detector ATLAS Collaboration Article JOURNAL OF HIGH ENERGY PHYSICS (2024)
Search for singly produced vectorlike top partners in multilepton final states with 139 fb-1 of pp collision data at √s=13 TeV with the ATLAS detector ATLAS Collaboration Article ISI SCOPUS Physical Review D (2024)
Search for the decay of the Higgs boson to a Z boson and a light pseudoscalar particle decaying to two photons ATLAS Collaboration Article ISI SCOPUS Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics (2024)
Searches for exclusive Higgs boson decays into D*γ and Z boson decays into D0γ and K0sγ in pp collisions at √s=13 TeV with the ATLAS detector ATLAS Collaboration Article ISI SCOPUS Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics (2024)
Sensor response and radiation damage effects for 3D pixels in the ATLAS IBL Detector ATLAS Collaboration(2095 authors) Article ISI SCOPUS Journal of Instrumentation (2024)
Statistical Combination of ATLAS Run 2 Searches for Charginos and Neutralinos at the LHC ATLAS Collaboration Article ISI SCOPUS Physical Review Letters (2024)
Study of High-Transverse-Momentum Higgs Boson Production in Association with a Vector Boson in the qqbb Final State with the ATLAS Detector ATLAS Collaboration Article ISI SCOPUS Physical Review Letters (2024)
Study of Z → llγ decays at √s=8 TeV with the ATLAS detector ATLAS Collaboration Article ISI SCOPUS European Physical Journal C (2024)
Test of CP-invariance of the Higgs boson in vector-boson fusion production and in its decay into four leptons ATLAS Collaboration Article european (2024)
The ATLAS experiment at the CERN Large Hadron Collider: a description of the detector configuration for Run 3 ATLAS Collaboration Article ISI SCOPUS Journal of Instrumentation (2024)
Performance of the ATLAS track reconstruction algorithms in dense environments in LHC Run 2 ATLAS Collaboration; Zwalinski, L; Nedden, M. Zur; Zou, R; Zoccoli, A; Zobernig, G; Ziolkowski, M; Zinser, M; Zinonos, Z; Zimmermann S.; et al. Article ISI EUROPEAN PHYSICAL JOURNAL C (2017)
Gluon saturation=> survival probability for leading neutrons in DIS Eugeny Levin, Sebastian Tapia Article Nuclear Physics A (2012)
Search for decays of the Higgs boson into a pair of pseudoscalar particles decaying into b b ¯ τ + τ - using p p collisions at s = 13 TeV with the ATLAS detector ATLAS Collaboration(2875 authors) Article WOS PHYSICAL REVIEW D