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NuMass 2024 - Determination of the absolute electron (anti)-neutrino mass

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Physics Department University of Genoa

Physics Department University of Genoa

Via Dodecaneso 33, 16146, Genova
Matteo De Gerone (Istituto Nazionale di Fisica Nucleare), Lorenzo Ferrari Barusso (GE)
Description

One of the major challenges in nowadays particle physics and astrophysics is the determination of the absolute neutrino mass scale. Its determination would answer one of the most important questions in physics.

https://www.nature.com/articles/d41586-024-00620-9

The KATRIN experiment, designed for the direct determination of the effective electron anti-neutrino mass, has recently set a sub-eV limit. New experiments with H-3, such as Project8 and PTOLEMY, and with Ho-163, such as ECHo and HOLMES, are completing the R&D phase with the publication of new data.

The goal of this international workshop is to better exploit the potential of current and future direct neutrino mass experiments and to provide a unique opportunity to discuss experimental details and theoretical implications in a synergistic setting.

The topics to be covered by workshop include the following:

  • Neutrino mass experimental overviews: neutrinoless double beta decay, cosmology, oscillations, sterile neutrinos, cosmic neutrino background...
  • Direct neutrino mass measurements: beta decay and electron capture (EC) end-point studies
  • Experimental aspects: detector technologies, read-out electronics, data acquisition...
  • Data analysis: signal processing, statistical data analysis, background studies, calibration methods, detector modeling...
  • Theoretical description of beta/EC spectra

This meeting will bring together the direct neutrino mass experiment community and experts from neutrino physics, astrophysics, and cosmology to critically assess the prospects for the measurement of the neutrino mass.

Participants
  • Alec Lindman
  • Alice Apponi
  • Angelo Enrico Lodovico Nucciotti
  • Angelo Esposito
  • Anthony Onillon
  • Ben Jones
  • Christoph Andreas Ternes
  • Elena Ferri
  • Federico Virzi
  • Francesco Vissani
  • Geon-Bo Kim
  • Giovanni Gallucci
  • Irene Nutini
  • James Vincent Mead
  • Joscha Lauer
  • Juliana Stachurska
  • Loredana gastaldo
  • Lorenzo Ferrari Barusso
  • Luca Origo
  • Marcello Messina
  • Marco Faverzani
  • Matteo Borghesi
  • Ovidiu Nitescu
  • Pietro Campana
  • Seb Jones
  • Shailaja Mohanty
  • +14
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  • Monday, 26 February
    • 10:00 → 12:00
      Registration 2h
    • 12:00 → 14:00
      Welcome buffet 2h
    • 14:00 → 14:20
      Introduction 20m
      Speakers: Matteo De Gerone (Istituto Nazionale di Fisica Nucleare), Lorenzo Ferrari Barusso (INFN Genova), Flavio Gatti (Istituto Nazionale di Fisica Nucleare)
    • 14:20 → 15:00
      The Karlsruhe Tritium Neutrino Experiment – an overview 40m
      Speaker: Volker Hannen (Institute for Nuclear Physics, University of Muenster)
      hannen_numass_2024.pdf
    • 15:00 → 15:25
      Backgrounds at KATRIN and mitigation strategies 25m
      Speaker: Joscha Lauer (Karlsruhe Institute of Technology)
      KATRIN_backgrounds.pptx
    • 15:25 → 15:55
      Coffe Break 30m
    • 15:55 → 16:35
      Status and perspective of the ECHo experiment 40m
      Speaker: Loredana gastaldo (Kirchhoff Institute for Physics, Heidelberg University)
      ECHo_Gastaldo_NuMass.pdf
    • 16:35 → 17:00
      Neutrino Experiments with Pu-241 25m
      Speaker: Geon-Bo Kim (Lawrence Livermore National Laboratory)
      Kim_NuMass2024_MAGNETO.pdf
    • 17:00 → 17:25
      Direct high-precision determination of the electron capture Q-value in 163Ho 25m
      Speakers: Cristoph Schweiger, Loredana gastaldo (Kirchhoff Institute for Physics, Heidelberg University)
      2022_03_14_NuMass2024_SchweigerChristoph_slides_1.pdf
  • Tuesday, 27 February
  • Wednesday, 28 February
    • 09:00 → 09:40
      Project 8: Current Status and Future Directions 40m
      Speaker: Juliana Stachurska (MIT)
      Project8_Status_Future_Stachurska.pdf
    • 09:40 → 10:20
      keV Neutrino Search at KATRIN 40m
      Speaker: Anthony Onillon (TUM)
      NuMASS_2024_keVsterile_ONILLON.pdf
    • 10:20 → 10:50
      Coffee Break 30m
    • 10:50 → 11:15
      TRISTAN detector overview 25m
      Speaker: Daniela Spreng (Technische Universität München)
      Spreng_NuMass24.pdf
    • 11:15 → 11:40
      Graphene as a substrate for tritium: hydrogenation and transmission 25m
      Speaker: Alice Apponi (Istituto Nazionale di Fisica Nucleare)
      NuMass_AA.pdf
    • 11:40 → 12:05
      The Atomic Source and Accommodator for Next-Generation Neutrino Mass Experiments 25m
      Speaker: Alec Lindman (Johannes Gutenberg University Mainz)
      NuMass 2024 Atomic Overview v4.pdf
    • 12:05 → 12:30
      Electron spectroscopy with cyclotron radiation measurement in the PTOLEMY detector 25m
      Speaker: Dr Federico Virzi (Istituto Nazionale di Fisica Nucleare)
      nu_mass24.pptx
    • 12:30 → 15:00
      Lunch 2h 30m
    • 15:00 → 16:00
      A history of neutrino and its mass 1h

      In this seminar, the history of the neutrino and its mass is recounted in six short chapters, with a bit of emphasis on the theoretical aspects:
      1. Pauli's proposal is presented, clarifying its significance and the context in which it arose, that of the earliest theories of the atomic nucleus.
      2. The first beta-ray theory, due to Enrico Fermi, is described, clarifying its potential but also its formal and conceptual limitations.
      3. Majorana's ideas, from which the modern treatment of neutrinos and fermions in general originated, are illustrated.
      4. Major advances in the next 30 years concern the existence of fermion families and the chiral structure of weak interactions, directly related to the hypothesis of neutrinos with zero mass.
      5. Conceptions on the mass of neutrinos and the main ways to probe them are then summarised.
      6. Prospects for development are briefly discussed in the last chapter of the story, which is the one yet to be written.

      Speaker: Francesco Vissani (Istituto Nazionale di Fisica Nucleare)
    • 16:00 → 16:30
      Coffee Break 30m
  • Thursday, 29 February
    • 09:00 → 09:50
      Cosmological limits on neutrino masses and species 50m
      Speaker: Dr Olga Mena (IFIC (CSIC -UV))
      Genova.key
    • 09:50 → 10:30
      The QTNM project: status and overview 40m
      Speaker: Seb Jones (UCL)
      nuMass_240229.pdf
    • 10:30 → 11:00
      Coffee Break 30m
    • 11:00 → 11:25
      163Ho-implanted TES for calorimetric neutrino mass measurement 25m
      Speaker: Luca Origo (Università degli Studi di Milano Bicocca e INFN Sezione Milano Bicocca)
      NuMass 2024.pdf
    • 11:25 → 11:50
      Search for eV Sterile Neutrinos in KATRIN data 25m
      Speaker: Shailaja Mohanty (Karlsruhe Institute of Technology)
      NuMass_Workshop_24_Shailaja.pdf
    • 11:50 → 12:15
      The Magnetic Evaporative Cooling Beamline for Project 8's Atomic Tritium Experiment 25m
      Speaker: Ben Jones (Unitersity of Texas)
      NuMass_BJPJ_v3.pptx
    • 12:15 → 14:15
      Lunch 2h
    • 14:15 → 14:40
      Cold sources of atomic hydrogen isotopes for absolute neutrino mass measurements 25m
      Speaker: Stephen Hogan (UCL)
    • 14:40 → 15:05
      The HOLMES low activity implantation 25m
      Speaker: Giovanni Gallucci (Istituto Nazionale di Fisica Nucleare)
      Gallucci_Numass24.pdf
    • 15:05 → 15:35
      Coffee Break 30m
    • 15:35 → 16:00
      Analysis methods & tools at KATRIN 25m
      Speaker: Weiran Xu (Karlsruhe Institute of Technology)
      NuMass_WX.pdf
    • 16:30 → 18:30
      Meeting about the future of neutrino mass measurements
  • Friday, 1 March
    • 09:00 → 09:50
      Current status of searches for light sterile neutrinos 50m
      Speaker: Christoph Andreas Ternes (Istituto Nazionale di Fisica Nucleare)
      ternes_NuMASS.pdf
    • 09:50 → 10:15
      X-ray Microcalorimeters Based on Superconducting Transition Edge Sensors for Astrophysics, Plasma Physics and Particle Physics 25m
      Speaker: Luciano Gottardi (SRON)
      NuMASS_20240301_LG_small.pdf
    • 10:15 → 10:45
      Coffee Break 30m
    • 10:45 → 11:10
      KATRIN's precision high voltage system and a novel Kr83m calibration method 25m
      Speaker: Benedikt Bieringer (University of Münster)
      2024_03_01_numass_wf42_bbieringer.pdf
    • 11:10 → 11:35
      Bayesian analysis of 187Re data from the MIBETA experiment 25m
      Speaker: Pietro Campana
      numass_187Re_campana.pdf
    • 11:35 → 12:00
      Atomic corrections for the beta decay of neutrino mass measurement candidates 25m
      Speaker: Ovidiu Nitescu (IFIN HH)
      nuMass24-OvidiuNitescu.pdf
    • 12:00 → 12:25
      Final Remarks 25m
      Speakers: Magnus Schlösser (Karlsruhe Institute of Technology), Matteo De Gerone (Istituto Nazionale di Fisica Nucleare)
    • 12:25 → 14:25
      Lunch 2h
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