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DUNE Co-Spokesperson Election 2022

11–24 Feb 2022
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Segreto - CV

Ettore Segreto

Education

Ph.D in Physics (Academic Year 2005/2006) at University of L’Aquila, Italy. Supervisor: Prof. F. Cavanna.
Title: ‘Analysis and Simulation of events with scintillation light emission from the ICARUS T600 liquid argon detector‘.

Laurea Diploma in Physics (Academic Year 1999/2000) at University of L’Aquila, Italy. Marks: 110/110 cum Laude.
Supervisor: Prof. F. Cavanna, Dott. O. Palamara.

Professional Experience

Feb 2022 – present: Professor MS5-1 Universidade Estadual de Campinas

Apr 2018 – Feb 2022: Tenured Professor Universidade Estadual de Campinas (equivalent to associate professor in US)

Apr 2015 – March 2018: Professor MS3-1 Universidade Estadual de Campinas (equivalent to assistant professor in US)

May 2010- Feb 2015: Researcher at Laboratori Nazionali del Gran Sasso. Nov 2009-Jul 2011: Adjunct/Assistant Professor at University of L’Aquila May 2008- Apr 2010: Post-doc at Laboratori Nazionali del Gran Sasso.

May 2006- Apr 2008: Post-doc at Laboratori Nazionali del Gran Sasso. Jan 2006- Feb 2006: Grant from Granda University (Spain).

Oct 2002-Nov 2005: PhD Student at University of L’Aquila.

May 2002- Oct 2002: Research Fellow at University of “Tor Vergata” (Rome) May 2001-Apr 2002: Research Fellow at University of L’Aquila
 

Honors/Awards

Early Career Instrumentation Award 2019 from the American Physical Society - Divi- sion of Particles and Fields. “For the invention and development of the ARAPUCA photon detector, a novel and effective tool for measuring scintillation light in liquid argon detec- tors...”

Research interests

  • Liquid/Gaseous argon based detectors     • Neutrino physics
  • Dark Matter direct detection                      • Scintillation light read-out
  • Photosensors (PMT, SiPM, APD)              • Wavelength shifting
  • Noble liquids’ purification                           • MC Simulations
  • Data analysis                                             • Mathematical modeling

Main achievements

 

    • Leader of the Photon Detection Consortium of the Deep Underground Neutrino Experiments since 2017, My Consortium includes 48 Institutions and more than 200 scientists. The Photon Detection System is based on a device designed and developed by me and by Dr. A. Machado, the ARAPUCA, at UNICAMP.
    • Member of the DUNE Executive Board since 2018
    • Member of the DUNE Technical Board since 2018
    • Institutional Board representative of UNICAMP for the DUNE and for the Short Base- line Neutrino Detector (SBND @ Fermilab).
    • Current Responsibilities at National level: member of the Comitê Técnico- Cientı́fico (CTC) da Rede Nacional de Fı́sica de Altas Energias - RENAFAE (PORTARIA No 6.641, DE 20 DE DEZEMBRO DE 2018). I was appointed by the MINISTRO DE ESTADO DA CIÊNCIA, TECNOLOGIA, INOVAÇÕES e COMUNICAÇÕES (Brazilian Ministry of Science)
    • Publications: author and co-author of more than 100 scientific papers,mostly pub- lished in international peer reviewed journals. I have three single authored publica- tions: one on Physical Review D, one on Physical Review C and another on the Journal of Instrumentation.
    • Development of new devices: I proposed, designed and developed, together with Dr.a Ana Machado the ARAPUCA devices, which represents a new concept for the detection of liquid argon scintillation light. It represents the baseline design for the photon detection system of the Deep Underground Neutrino Experiment.
    • Academic awards: APS - Early Career Instrumentation Award 2019; Brazilian Grant for Productivity: Bolsa de Produtividade CNPq, Modalidade PQ – Nivel 2.
    • Grants: I got several grants since when I am working in Brazil. The total amount of resources, as Principal Investigator, exceeds 2,000,000 US$.
    • Nucleation of research centers: I rebuilt the old Laboratorio de Leptons of the Physics Institute of my University. It was inaugurated on June, 2nd 2017. It currently represents one of the most advanced laboratory for cutting-edge research on new technologies for liquid argon detectors.
    • Teaching: I gave classes in Italy and in Brazil at the graduation and postgraduation level. I am currently tutoring five students (1 PhD, 1 Master, 3 Undergrad).
    • Organization of Schools and Workshops: I organized two big events as Scientific Coordinator. A one day Workshop - DUNE Workshop, June 1st, 2017 - focused on the Deep Underground Neutrino Experiment, in the FAPESP (São Paulo State Funding Agency) Headquarter. I organized an international school at UNICAMP at the end of 2018. The SBF-APS São Paulo School of Advanced Science on Ex- perimental Neutrino Physics. The school was focused on experimental neutrino physics and involved 100 students and 22 speakers.

Scientific Experience and Collaborations

DUNE Collaboration (2013 - present)

 

  • 2016: Proposal fo the ARAPUCA for the photon detection system of the DUNE far detector
  • 2017: Coordinator of the installation of the photon detection system in protoDUNE
  • 2017-present: leader of the Photon Detection Consortium 
  • 2018-present: Member of the Executive Board
  • 2018-present: Member of the Technical Board
  • 2019-2021: Member of the Finance Board
  • 2019-present: Institutional Boar representative of UNICAMP

  • SBND Collaborations (2013 - present)

  • Photon Detector Studies using the ARAPUCA device
  • 2017-present: Institutional Board representative of UNICAMP

DarkSide Collaboration (2013-2021).

    • 2013-2015: Data Quality Manager of DarkSide 50;
    • 2013-2015: Run Coordinator of DarkSide 50;
    • Commissioning of the Dark Side 50 detector at Gran Sasso National Laboratory;
    • Participation of the group that managed the photo-multipliers of the inner part of the detector;

DARWIN Consortium (2009-2015)

    • (2009-2012) Chair Working Group for the study of noble liquids purification systems, materials outgassing and purity measurements.
    • (2012-2015)    Chair Working Group for the study of the optimization of UV light collection system

WArP Collaboration (WIMP Argon Programme, 2006-2012).

    • Measurement of the effects of nitrogen and oxygen contamination on the liquid argon scintillation light;
    • Characterization of wavelength shifting films fo LAr scintillation light; Regeneration of the LAr filters used in the WArP 100 detector;
    • Studies to maximize the light yield in LAr detector – first test of Hamamatsu (R11065) phtomultiplier tube;
    • Coordinator production of reflecting/shifting foils installed in the WArP 100l detector.;
    • 2009-2011: Construction and commissioning of the WArP 100l detector at LNGS i
    • 2011: Run Coordinator

ICARUS Collaboration (Imaging Cosmic And Rare Underground Signals, 1999-2015).

    • First experimental observation and detection of Cherenkov radiation in liquid argon
    • test of the T600 detector in 2001, in Pavia (Italy).
    • 2005-2006 Operation of a 25l LArTPC (LALIT) with charge and light read-out.
    • 2002-2006 Study and Simulation of events with emission of scintillation light in ICARUS T300 detector.
    • 2007-2009: Installation of the ICARUS T600 detector in the Hall B of the LNGS
    • Measurement of the time of flight of CNGS neutrinos.
    • 2010-2013 member of LNGS cryogenic team, responsible to run the ICARUS T600.
    • Measurement and monitoring of the nitrogen contaminations of LAr with a commercial mass spectrometer.

Projects at the National Laboratory of Synchrotron Light (Campinas)

    • Characterization of the emission properties of wavelength shifters for liquid argon scintillation light. Data taken in the week 30/05/2016 - 04/06/2016.
    • Characterization of the time properties of wavelength shifters for liquid argon scintillation light. Data taken in September 2016 and January 2018.

 

Grants

12 grants gained as Principal Investigator in Brazil for a total amount of more than 2,000,000 US$

Responsibilities at National level

Member of the Comite Tecnico-Cientifico (CTC) da Rede Nacional de Fisica de Altas Energias - RENAFAE (PORTARIA No 6.641, DE 20 DE DEZEMBRO DE 2018). I was appointed by the MINISTRO DE ESTADO DA CIENCIA, TECNOLOGIA, INOVACÕES e COMUNICACÕES (Brazilian Minister of Science, Technology, Innovation and Communications).

 

Referee

  • Referee for Nuclear Instruments and Methods in Physics Research Section A;
  • Referee for The European Physical Journal C;
  • Referee for The Journal of Instrumentation (JINST);
  • Referee for The Brazilian Journal of Physics;
  • Referee for the FAPESP agency – Founding agency of the São Paulo State
  • Referee for the CNPq agency – Brazilian National Funding Agency

 

Organization of scientific events

  • Organizer and Scientific Coordinator of the “DUNE workshop" São Paulo - FAPESP Headqurter - 01 June 2017;
  • Member of the scientific committee of the `LIDINE 2013 Conference' (Light Detection in Noble Elements)' Fermilab (Chicago) - 29-31 May 2013;
  • Member of the scientific committee of the `LIDINE 2017 Conference' (Light Detection in Noble Elements)' SLAC National Accelerator Laboratory (Stanford) - 22-24 September 2017;
  • Member of the International Advisory Committee of the International Workshop on Next generation Nucleon Decay and Neutrino Detectors (NNN19) - Universidad de Medellin (Colombia) - 7-9 November 2019;
  • Member of the local organizing committee of the International Workshop WONDER 2010 'Workshop On Dark Matter Experimental Researches @LNGS' - Laboratori Nazionali del Gran Sasso - 22-23 March 2010.
  • Organization as Coordinator of the 'Escola de Inverno do IFGW - 2016' Instituto de Fisica "Gleb Wataghin", UNICAMP July, 22-26 2016
  • Organization as Scientific Coordinator of the 'SBF-APS São Paulo School of Advanced Science on Experimental Neutrino Physics' IFGW – UNICAMP December, 3-14 2018 The school was funded by FAPESP with a budget of 200,000 US$ and by the American Physics Society with a budget of 30,000 US$. It was one of the neutrino school of 2018 with the highest number of participants. The school hosted 100 participants: 40 from Brazil, 15 from Europe, 15 from the US, 25 from Latin America and 5 from Asia - 22 speakers: 9 US, 2 Italy, 2 Spain, 11 Brazil - 3 keynotes speakers: Prof. Brito Cruz (FAPESP and Unicamp), Art McDonald (Queen's University - Nobel Laureate in Physics in 2015), Amy Flatten (American Physcis Society)
  • Organization of the course `Eletronica para Detectores na Fisica de Particulas' given by Eng. Giovanni Franchi (11-21 August 2015)

Single authored Publications

  • “Properties of Liquid Argon Scintillation Light Emission”, E. Segreto - Phys. Rev. D 103, no.4, 043001 (2021).
  • “Evidence of delayed light emission of TetraPhenyl Butadiene excited by liquid Ar-gon scintillation light” E.Segreto - Phys. Rev. C 91, no.3, 035503 (2015)
  • “ An Analytic technique for the estimation of the light yield of a scintillation detector” E.Segreto - JINST 7, P05008 (2012)

Relevant publications

  • “ARAPUCA a new device for liquid argon scintillation light detection” A.A.Machado and E.Segreto - JINST 11, no.02, C02004 (2016)
  • “Deep Underground Neutrino Experiment (DUNE) Near Detector Conceptual Design Report”, DUNE Coll. - arXiv:2103.13910 [physics.ins-det].
  • “Volume III. DUNE far detector technical coordination,'” DUNE Collab. - JINST 15, no.08, T08009 (2020)
  • “Deep Underground Neutrino Experiment (DUNE), Far Detector Technical Design Report, Volume II DUNE Physics” DUNE Collab. - arXiv:2002.03005 [hep-ex]
  • “Volume IV. The DUNE far detector single-phase technology” DUNE Collab. - JINST 15, no.08, T08010 (2020)
  • “Volume I. Introduction to DUNE” DUNE Collab. - JINST 15, no.08, T08008 (2020)
  • “The Liquid Argon In A Testbeam (LArIAT) Experiment” LArIAT Collab. - JINST 15, no.04, P04026 (2020)
  • “Liquid Argon test of the ARAPUCA device” E.Segreto, A.A.Machado, L.Paulucci, F.Marinho, D.Galante, S.Guedes, A.Fauth, V.Teixeira, B.Gelli and M.Reggiani- Guzzo, et al. - JINST \textbf{13}, no.08, P08021 (2018)arXiv:1804.01407 [physics.ins-det]
  • “The X-ARAPUCA: An improvement of the ARAPUCA device” A.A.Machado, E.Segreto, D.Warner, A.Fauth, B.Gelli, R.Maximo, A.Pizolatti, L.Paulucci and F.Marinho
  • “Constraints on Sub-GeV Dark-Matter\textendash{}Electron Scattering from the DarkSide-50 Experiment” DarkSide Collab. - Phys. Rev. Lett. 121, no.11, 111303 (2018)
  • “DarkSide-50 532-day Dark Matter Search with Low-Radioactivity Argon” DarkSide Collab. - Phys. Rev. D 98, no.10, 102006 (2018)
  • “Low-Mass Dark Matter Search with the DarkSide-50 Experiment” DarkSide Collab. - Phys. Rev. Lett. 121, no.8, 081307 (2018)
  • “DarkSide-20k: A 20 tonne two-phase LAr TPC for direct dark matter detection at LNGS” DarkSide Collab. - Eur. Phys. J. Plus 133, 131 (2018)
  • “The Single-Phase ProtoDUNE Technical Design Report” DUNE Collab. - arXiv:1706.07081 [physics.ins-det]
  • “Cryogenic Characterization of FBK RGB-HD SiPMs” DarkSide Collab. - JINST 12, no.09, P09030 (2017)
  • “ Effect of Low Electric Fields on Alpha Scintillation Light Yield in Liquid Argon” DarkSide Collab. - JINST 12, no.01, P01021 (2017)
  • “ The DarkSide Project” DarkSide Collab. JINST 11, no.02, C02051 (2016) 6 citations counted in INSPIRE as of 20 Mar 2021
  • “ Delayed light emission of Tetraphenyl-butadiene excited by liquid argon scintillation light. Current status and future plans” E.Segreto, A.A.Machado, W.Araujo and V.Teixeira - JINST 11, no.02, C02010 (2016)
  • “ Long-Baseline Neutrino Facility (LBNF) and Deep Underground Neutrino Experiment (DUNE): Conceptual Design Report, Volume 1: The LBNF and DUNE Projects” DUNE Collab. - arXiv:1601.05471 [physics.ins-det]
  • “ Long-Baseline Neutrino Facility (LBNF) and Deep Underground Neutrino Experiment (DUNE): Conceptual Design Report, Volume 4 The DUNE Detectors at LBNF” DUNE Collab. - arXiv:1601.02984 physics.ins-det]]
  • “ The veto system of the DarkSide-50 experiment” DarkSide Collab. - JINST 11, no.03, P03016 (2016)
  • “ Long-Baseline Neutrino Facility (LBNF) and Deep Underground Neutrino Experiment (DUNE): Conceptual Design Report, Volume 2: The Physics Program for DUNE at LBNF” DUNE Collab. - arXiv:1512.06148 [physics.ins-det]
  • “ Results From the First Use of Low Radioactivity Argon in a Dark Matter Search” DarkSide Collab. - Phys. Rev. D 93, no.8, 081101 (2016)
  • “ Operation and performance of the ICARUS-T600 cryogenic plant at Gran Sasso underground Laboratory” ICARUS Collab. - JINST 10, no.12, P12004 (2015) 1
  • “ The DarkSide Multiton Detector for the Direct Dark Matter Search” DarkSide Col- lab. - Adv. High Energy Phys., 541362 (2015)
  • “First Results from the DarkSide-50 Dark Matter Experiment at Laboratori Nazionali del Gran Sasso” DarkSide Collab. - Phys. Lett. B 743, 456-466 (2015)
  • “ Experimental observation of an extremely high electron lifetime with the ICARUS- T600 Lar-TPC” ICARUS Collab. - JINST \textbf{9}, no.12, P12006 (2014)
  • “ The trigger system of the ICARUS experiment for the CNGS beam” ICARUS Col- lab. - JINST 9, P08003 (2014)
  • “ Liquid argon scintillation read-out with silicon devices” N.Canci, C.Cattadori, M.D'Incecco, B.Lehnert, A.A.Machado, S.Riboldi, D.Sablone, E.Segreto and C.Vig- noli - JINST 8, C10007 (2013)
  • “ Aging studies on thin tetra-phenyl butadiene films” R.Acciarri, N.Canci, F.Ca- vanna, E.Segreto and A.M.Szellc - JINST 8, C10002 (2013)
  • “ Tetraphenyl-butadiene films: VUV-Vis optical characterization from room to liquid argon temperature” R.Francini, R.M.Montereali, E.Nichelatti, M.A.Vincenti, N.Canci, E.Segreto, F.Cavanna, F.D.Pompeo, F.Carbonara and G.Fiorillo, et al. - JINST 8, C09010 (2013)
  • “ Experimental search for the LSND anomaly with the ICARUS LAr-TPC detector in the CNGS beam” E.Segreto et al. - J. Phys. Conf. Ser. 447, 012064 (2013)
  • “ Search for anomalies in the νe appearance from a νμ beam” ICARUS Collab. - Eur. Phys. J. C 73, 2599 (2013)
  • “ Experimental search for the LSND anomaly with the ICARUS detector in the CNGS neutrino beam” ICARUS Collab. - Eur. Phys. J. C 73, no.3, 2345 (2013)
  • “ Precision measurement of the neutrino velocity with the ICARUS detector in the CNGS beam” ICARUS Collab. - JHEP 11, 049 (2012)
  • “ Neutron to Gamma Pulse Shape Discrimination in Liquid Argon Detectors with High Quantum Effciency Photomultiplier Tubes” R.Acciarri, N.Canci, F.Cavanna, P.Kryczynski, L.Pandola, E.Segreto and A.M.Szelc, Phys. Procedia 37, 1113-1121 (2012)
  • “ Search for 'anomalies' from neutrino and anti-neutrino oscillations at Δm2 ~ 1eV2 with muon spectrometers and large LAr-TPC imaging detectors” ICARUS Collab. - arXiv:1203.3432 [physics.ins-det]
  • “ Measurement of the neutrino velocity with the ICARUS detector at the CNGS beam” ICARUS Collab. - Phys. Lett. B 713, 17-22 (2012)
  • “ A Search for the analogue to Cherenkov radiation by high energy neutrinos at superluminal speeds in ICARUS” ICARUS Collab. - Phys. Lett. B 11, 270-275 (2012)
  • “ Demonstration and Comparison of Operation of Photomultiplier Tubes at Liquid Argon Temperature” WArP Collab. - JINST 7, P01016 (2012)
  • “ Underground operation of the ICARUS T600 LAr-TPC: first results” ICARUS Col- lab. - JINST 6, P07011 (2011)
  • “ Effects of Nitrogen contamination in liquid Argon” WArP Collab. JINST \5, P06003 (2010)
  • “ Oxygen contamination in liquid Argon: Combined effects on ionization electron charge and scintillation light” WArP Collab. - JINST 5, P05003 (2010)
  • “ Discovery of underground argon with low level of radioactive 39Ar and possible applications to WIMP dark matter detectors” D.Acosta-Kane et al. Nucl. Instrum. Meth. A 587, 46-51 (2008)
  • “ Measurement of through-going particle momentum by means of multiple scattering with the ICARUS T600 TPC” ICARUS Collab. - Eur. Phys. J. C 48, 667-676 (2006)
  • “Characterization of ETL 9357FLA photomultiplier tubes for cryogenic temperature applications,” ICARUS Collab. - Nucl. Instrum. Meth. A 556, 146-157 (2006) 5
  • “ Design, construction and tests of the ICARUS T600 detector” ICARUS Collab. - Nucl. Instrum. Meth. A 527, 329-410 (2004) 4
  • “ Detection of Cherenkov light emission in liquid argon” ICARUS Collab. - Nucl. In- strum. Meth. A 516, 348-363 (2004)
  • “ Study of electron recombination in liquid argon with the ICARUS TPC” ICARUS Collab. - Nucl. Instrum. Meth. A 523, 275-286 (2004)
  • “ Analysis of the liquid argon purity in the ICARUS T600 TPC” ICARUS Collab. - Nucl. Instrum. Meth. A 516, 68-79 (2004)
  • “ Measurement of the μ decay spectrum with the ICARUS liquid argon TPC” ICARUS Collab. - Eur. Phys. J. C 33, 233-241 (2004)

Outreach

The experimental activities of my group often appeared on Brazilian and International media in the last years. This is a selection of what was published on newspapers and websites:

 

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