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SUMMARY:First Search for Sterile Neutrino Oscillation  Leading to νµ Dis
 appearance  in the Booster Neutrino Beam at ICARUS
DTSTART:20260331T090000Z
DTEND:20260331T103000Z
DTSTAMP:20260409T053100Z
UID:indico-event-1764@indico.dfa.unipd.it
DESCRIPTION:Speakers: Maria Artero Pons (DIpartimento di Fisica e Astronom
 ia - Università di Padova)\n\n \n \nSpeaker: Maria Artero Pons\nDate: M
 arch 31\, 2026\nWhere: Aula Voci\nAbstract: The ICARUS Collaboration succe
 ssfully operated the 760-ton T600 detector at the LNGS underground laborat
 ory before its refurbishment at CERN and relocation to Fermilab. Since 202
 1\, ICARUS has been recording neutrino events from both the Booster Neutri
 no Beam (BNB) and the off-axis Neutrinos at the Main Injector (NuMI) beam.
  Now in its fifth year of continuous operation\, ICARUS demonstrates the m
 aturity of large-scale Liquid Argon Time Projection Chamber (LAr-TPC) tech
 nology\, providing a critical foundation for future experiments like DUNE.
 \nIn this seminar\, the first search for muon-neutrino disappearance in th
 e BNB using the ICARUS detector is presented. Neutrino events\, identified
  as charged-current muon-neutrino interactions with a final state consisti
 ng of a muon and at least one proton (1μNp)\, are selected from data coll
 ected during 2022–2023 (ICARUS Run 2) and compared with simulation-based
  expectations. The results are interpreted within a two-neutrino approxima
 tion of the 3+1 sterile-neutrino framework\, accounting for systematic unc
 ertainties associated with the neutrino flux\, interaction modeling\, and 
 detector response. Fits of the data with the oscillation model are compati
 ble with the no-oscillation hypothesis\, indicating a null muon neutrino d
 isappearance within the experimental sensitivity and hence exclusion conto
 urs are reported.\nEven if the current sensitivity is limited by systemati
 c effects primarily due to unconstrained flux and cross-section uncertaint
 ies\, this initial oscillation analysis probes the parameter space favoure
 d by existing νμ disappearance measurements and establishes important fo
 undations for future Short-Baseline Neutrino (SBN) Program analyses where 
 the combined data from SBND and ICARUS will substantially reduce these unc
 ertainties and enable a definitive test of the long-standing sterile-neutr
 ino anomalies.\nMaria Artero Pons received her PhD in Particle Physics fro
 m the University of Padova in 2024\, where she currently holds a postdocto
 ral fellowship within the ICARUS and DUNE collaborations. She first specia
 lized in neutrino physics during her Master's thesis at Universidad Complu
 tense de Madrid\, where she began her work with Liquid Argon Time Projecti
 on Chamber (LArTPC) technology. Her current research focuses on enhancing 
 the precision of neutrino interaction analysis and event reconstruction al
 gorithms. She also served as ICARUS Run Coordinator\, overseeing detector 
 operations and contributing to the experiment's milestone of five years of
  successful continuous operation.\n \n \n \n\nhttps://indico.dfa.unipd.
 it/event/1764/
LOCATION:1/1-2 - Aula "C. Voci" (Dipartimento di Fisica e Astronomia - Edi
 ficio Marzolo)
URL:https://indico.dfa.unipd.it/event/1764/
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