Logo

Valerio Ippolito

Senior Staff Researcher at INFN Roma

Short CV

Employment

  • Since Jan 2023: Senior Staff Researcher (Primo ricercatore), Istituto Nazionale di Fisica Nucleare, Sezione di Roma
  • Since Apr 26, 2021: Abilitazione scientifica nazionale per la qualifica di professore di II fascia
  • Since Apr 26, 2021: Abilitazione scientifica nazionale per la qualifica di professore di II fascia
  • Oct 2017 - Jan 2023: Tenured staff researcher (Ricercatore a tempo indeterminato), Istituto Nazionale di Fisica Nucleare, Sezione di Roma
  • Feb 2017 - Sep 2017: Research associate in Physics, Harvard University
  • Feb 2014 - Feb 2017: Post-doctoral fellow in Physics, Harvard University
  • Nov 2013 - Feb 2014: Fellow of the Department of Physics, Harvard University

Education

  • PhD in Physics, Sapienza Università di Roma (2014)
  • MSc in Physics cum laude, Sapienza Università di Roma (2010)
  • BSc in Physics cum laude, Sapienza Università di Roma (2008)

Prizes, awards, fellowships

  • PRIN project Beyond-CMOS Systems for Fast Machine Learning in Physics (2022XXMTCH), principal investigator of the INFN unit (126.4k EUR), 2023
  • INFN Fellowship, co-principal investigator of the LArNaI project (60 kEUR), 2018
  • Special mention at the Sapienza PhD thesis prize, 2015
  • INFN “Marcello Conversi” prize, 2014
  • CERN-INFN Associate fellowship, 2012
  • CERN Summer Student fellowship, 2009

Scientific responsibilities held

ATLAS Collaboration

  • Convener of the Muon Trigger Signature Group (2023 - present)
  • Member of the ATLAS Statistics Committee (2019 - present)
  • Convener of the ATLAS Common Dark Matter group (2020 - 2021)
  • Convener of the LHC Dark Matter Working Group, representing ATLAS (2020 - 2021)
  • Convener of the ATLAS Astroparticle Forum (2016 - 2018)
  • Member of the ATLAS Physics Coordination board (2016 - 2018)
  • Coordinator of the ATLAS Exotics jet-plus-MET analysis group (2016 - 2017)
  • Editor of the paper on the combination of searches for diboson resonances at 13 TeV with large-radius jets (2016)
  • Coordinator of the performance group (about 10 physicists) in charge of the definition of jet identification criteria and high-momentum jet studies (2015 - present)

DarkSide Collaboration

  • Member of the DarkSide Executive Board (2024 - ongoing)
  • Member of the DarkSide Editorial Board (2023 - ongoing)
  • Chair of the DarkSide Editorial Board (2021 - 2023)
  • Leader of the software & computing group of the DarkSide-20k experiment (2018 - ongoing)
  • Member of the DarkSide Technical Board (2018 - present)
  • Convener of the S2-only analysis committee of the DarkSide-50 experiment (2018)

INFN

  • referee for the computing activities of the ALICE experiment (2024 - ongoing)
  • coordinator of the PRIN 2022XXMTCH Roma group
  • coordinator of the EOSC-FUTURE Roma group
  • coordinator of the DARK_C3M Roma outreach group
  • co-organiser of the seminars of INFN Roma
  • local coordinator of VQR 2015-2019
  • DarkSide computing responsible at Laboratori Nazionali del Gran Sasso
  • ICSC - Centro Nazionale di Ricerca in High-Performance Computing, Big Data and Quantum Computing, project member

Conferences & seminars

  • Member of the scientific committee of the Italian workshop on high-intensity physics (WIFAI) (2023-ongoing)
  • Highlights and future perspectives of LHC experiments, CORFU2023 Workshop on Future Accelerators (Apr 2023)
  • Higgs couplings and spin/CP properties, HiggsDiscovery@10: Symposium for the 10 years from the Higgs boson observation, Birmingham (Jul 2022)
  • Take a walk on the DarkSide: status and challenges of the DarkSide-20k experiment, DANCE - Dark matter And Neutrino Computation Explained, Houston (Oct 2019)
  • Member of the scientific advisory committee of the DANCE - Dark matter And Neutrino Computation Explained workshop, Houston (Oct 2019)
  • Member of the local organising committee of the SM@LHC workshop, Rome (2020-2021)
  • DarkSide-50 Results and the Future Liquid Argon Dark Matter Program, XXIX International Symposium on Lepton Photon Interactions at High Energies, Toronto (Aug 2019)
  • A Unified Program of Argon Dark Matter Searches: DarkSide-20k and The Global Argon Dark Matter Collaboration, RICAP conference, Rome (Sep 2018)
  • How we look for Dark Matter at the LHC, invited talk, GEMMA workshop, Lecce (Jun 2018)
  • Main organiser of the ATLAS Exotics Working Group workshop, Rome (May 2018)
  • Discussion leader for the “Complex channels” session of the DM@LHC 2018 workshop, Heidelberg (Apr 2018)
  • How dark is Dark? The Dark Matter quest at ATLAS, invited seminar, Sapienza Università di Roma (Nov 2017)
  • Dark Matter searches at ATLAS, invited talk, LPC workshop, Fermilab (Jul 2017)
  • Dark Matter searches at ATLAS, talk at the EPS-HEP conference, Venezia (Jul 2017)
  • Dark Matter Searches at the LHC, invited talk at the DarkSide collaboration meeting, GSSI (Feb 2017)
  • Chasing Dark Matter at the LHC, invited seminar, Sapienza Università di Roma (Jul 2016)
  • Dark Matter at the LHC, invited talk, pp@LHC workshop, Pisa (May 2016)
  • Diboson resonance searches at ATLAS, invited talk, IN2P3 workshop, Grenoble (Nov 2015)
  • Organised and chaired the jet identification session at the ATLAS Hadronic Calibration Workshop, Bratislava (Sep 2015)
  • Dark Matter searches with mono-X signatures at the ATLAS experiment, talk at the SUSY15 conference, Lake Tahoe (Aug 2015)
  • Measurement of the properties of the new particle observed within the search for the Standard Model Higgs boson in the H->ZZ(*)->4l decay channel at ATLAS, invited seminar, Laboratori Nazionali di Frascati (Jun 2015)
  • Dark Matter search in mono-photon final states at ATLAS, poster at the DM@LHC workshop, Oxford (Sep 2014)
  • Designed and delivered the Analysis Tools tutorial, ATLAS Italia Physics Workshop, Bologna (Jan 2014)
  • Measurements of Higgs boson properties in ATLAS, talk at the 25th Rencontres de Blois (May 2013)
  • Nuovi risultati sulla misura di spin e parità della nuova particella compatibile con il bosone di Higgs del Modello Standard, nel canale di decadimento H->ZZ(*)->4l con l’esperimento ATLAS al CERN, poster at the IFAE2013 conference, Cagliari (Apr 2013)
  • Ricerca del bosone di Higgs nel canale di decadimento in quattro leptoni all’esperimento ATLAS, talk at the XCVIII Congresso Nazionale, Società Italiana di Fisica, Napoli (Sep 2012)
  • Search for Higgs boson in the four lepton final state with the ATLAS experiment, invited talk at the 3rd Young Researchers workshop, Laboratori Nazionali di Frascati (May 2012)
  • W/Z boson production in leptonic final states at the ATLAS experiment, poster at the PLHC conference (Jun 2011)
  • W/Z boson production in muonic final states at the ATLAS experiment, talk at the IFAE2011 conference, Perugia (Apr 2011)

Refereeing

  • INFN referee for the computing activities of ALICE (since 2024)
  • ATLAS Spokesperson sign-off, Search for new phenomena in two-body invariant mass distributions using unsupervised machine learning for anomaly detection at s√=13 TeV with the ATLAS detector, Phys. Rev. Lett. 132 (2024) 081801 (2024)
  • ATLAS editorial board chair, Search for single production of a vector-like T quark decaying into a Higgs boson and top quark with fully hadronic final states using the ATLAS detector, Phys. Rev. D 105 (2022) 092012 (2022)
  • ATLAS editorial board member, Search for the single production of a vector-like T quark decaying to tH or tZ in pp collisions at √s = 13 TeV with the ATLAS detector, ATLAS-CONF-2021-040 (2020-2021)
  • ATLAS editorial board chair, Performance of Top Quark and W Boson Tagging with ATLAS in Run 2, Eur. Phys. J. C 79 (2019) 375 (2018-2019)
  • ATLAS editorial board member,Measurement of WW/WZ->lνqq’ production with the hadronically decaying boson reconstructed as one or two jets in pp collisions at √s = 8 TeV with ATLAS, and constraints on anomalous gauge couplings, Eur. Phys. J. C 77 (2017) 563 (2016-2017)
  • ATLAS editorial board member, Performance of jet substructure techniques in early √s = 13 TeV pp collisions with the ATLAS detector, ATLAS-CONF-2015-035 (2015)
  • referee for Physics Letters B
  • PhD thesis referee for Francesco Cirotto (Federico II), Federica Piazza (Milano), Silvia Auricchio (Federico II)

Outreach

  • How to get away with talking - public speaking workshop for PhD students (July 7, 2022 - Sapienza)
  • INFN Art&Science project (2018 - present)
  • Lead of the Rome DARK-C3M outreach group (2019 - present)
  • FISICAST 2.0 (2020 - present)
  • ATLAS Italia outreach team (2018 - present)
  • Volunteer at the CERN Beamline for Schools (2017)

Selected publications

Author or co-author of more than 1042 peer-reviewed publications (h-index 106)

ATLAS Experiment

  1. ATLAS Collaboration, Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in proton-proton collisions at 13 TeV with the ATLAS detector, arXiv:2407.09168
  2. ATLAS Collaboration, Search for new phenomena in events with an energetic jet and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector, Phys. Rev. D 103 (2021) 112006
  3. ATLAS Collaboration, Search for dark matter and other new phenomena in events with an energetic jet and large missing transverse momentum using the ATLAS detector, JHEP 01 (2018) 126
  4. ATLAS Collaboration, Search for new phenomena in final states with an energetic jet and large missing transverse momentum in pp collisions at √s = 13 TeV using the ATLAS detector, Phys. Rev. D94 032005
  5. ATLAS Collaboration, Search for new phenomena in events with a photon and missing transverse momentum in pp collisions at √s = 8 TeV with the ATLAS detector, Phys. Rev. D91 012008
  6. Albert et al., Recommendations of the LHC Dark Matter Working Group: Comparing LHC searches for heavy mediators of dark matter production in visible and invisible decay channels, arXiv:1703.05703
  7. A. Boveia et al., Recommendations on presenting LHC searches for missing transverse energy signals using simplified s-channel models of dark matter, arXiv:1603.04156
  8. J. Abdallah et al., Simplified Models for Dark Matter Searches at the LHC, Phys. Dark. Univ. 9-10 (2015) 8-23
  9. ATLAS Collaboration, Searches for heavy diboson resonances in pp collisions at √s = 13 TeV with the ATLAS detector, JHEP 09 (2016) 173
  10. ATLAS Collaboration, Search for high-mass diboson resonances with boson-tagged jets in proton-proton collisions at √s = 8 TeV with the ATLAS detector, JHEP 12 (2015) 55
  11. ATLAS Collaboration, Evidence for the spin-0 nature of the Higgs boson using ATLAS data, Phys. Lett. B 726 120-144
  12. ATLAS Collaboration, Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC, Phys. Lett. B 716 1-29

PhD thesis: Measurement of the properties of the new particle observed within the search for the Higgs boson in the H→ZZ(∗)→4l channel at ATLAS. (CERN-THESIS-2013-342)

DarkSide Experiment

  1. DarkSide Collaboration, Search for low-mass dark matter WIMPs with 12 ton-day exposure of DarkSide-50, Phys. Rev. D 107 (2023) 063001
  2. DarkSide Collaboration, Search for low mass dark matter in DarkSide-50: the bayesian network approach, Eur. Phys. J. C 83, 322 (2023)
  3. DarkSide Collaboration, Low-Mass Dark Matter Search with the DarkSide-50 Experiment, Phys. Rev. Lett. 121, 081307
  4. DarkSide Collaboration. DarkSide-50 532-day Dark Matter Search with Low-Radioactivity Argon, Phys. Rev. D98 102006
  5. DarkSide Collaboration. Constraints on Sub-GeV Dark-Matter–Electron Scattering from the DarkSide-50 Experiment, Phys. Rev. Lett. 121 111303

Machine Learning

  1. C. Badiali, F.A. Di Bello, G. Frattari, E. Gross, V. Ippolito, M. Kado, J. Shlomi, Efficiency Parameterization with Neural Networks, Comp. Softw. Big Sci. 5 (2021) 14