Name: Workshop on "Determination of the Absolute Electron (Anti-)Neutrino Mass"
Start: 2026-04-13T08:30:00+02:00
End: 2026-04-16T19:00:00+02:00
Location: KIT Campus South

Workshop on "Determination of the Absolute Electron (Anti-)Neutrino Mass"

from Monday, April 13, 2026 (8:30 AM) to Thursday, April 16, 2026 (7:00 PM)

Monday, April 13, 2026

8:30 AM Registration: Registration
Registration
8:30 AM - 9:00 AM

9:00 AM Announcements and introducions: Welcome and introduction
Welcome and introduction
9:00 AM - 9:30 AM
9:30 AM Overview: Collaboration overview talks - I
Collaboration overview talks - I
9:30 AM - 10:30 AM
Contributions

9:30 AM ECHo Overview - Loredana Gastaldo (Kirchhoff Institute for Physics, Heidelberg University, Heidelberg, Germany)
10:30 AM Coffee break
Coffee break
10:30 AM - 11:00 AM
Room: Gaede foyer
11:00 AM Overview: Collaboration overview talks - II
Collaboration overview talks - II
11:00 AM - 1:00 PM
Contributions

11:00 AM HOLMES Overview - A. Nucciotti

12:00 PM Project8 Overview - Hannah Binney (Massachussets Institute of Technology)
1:00 PM Lunch break
Lunch break
1:00 PM - 2:30 PM
Room: Mensa am Adenauerring
2:30 PM Overview: Collaboration overview talks - III
Collaboration overview talks - III
2:30 PM - 4:30 PM
Contributions

2:30 PM KATRIN Overview - Chloe Goupy (MPIK)

3:30 PM QTNM Overview - Seb Jones (University College London)
4:30 PM Coffee break
Coffee break
4:30 PM - 5:00 PM
Room: Gaede foyer
5:00 PM Posters: Poster session I
Poster session I
5:00 PM - 6:30 PM
Room: Gaede Foyer
Contributions

5:00 PM Ab initio calculations of the electron capture spectrum in Ho - Vera Butz (Institute for Theoretical Physics, Heidelberg University)

5:01 PM Cold sources of atomic hydrogen and its isotopes - Sergey Vasiliev (University of Turku)

5:03 PM A graphene-based atomic hydrogen sensor - David Frese

5:05 PM Characterization of a Mass Spectrometer for Atomic Tritium Source Studies - Daniel de Vincenz (TLK / IAP)

5:07 PM Electron backscattering at the Focal Plane Detector (FPD) of KATRIN - Philipp Lingnau (KIT)

5:09 PM The Tritium Laboratory Karlsruhe for Neutrino Mass Research - Beate Bornschein (Karlsruhe Institute of Technology, Institute for Astroparticle Physics) Michael Sturm

5:11 PM Sterile-neutrino search based on 259 days of KATRIN data - Christoph Köhler (MPIK) Xaver Stribl (MPIK/TUM)

5:13 PM Magnetic Field Simulations for the Next-Generation MMC-Based KATRIN Experiment - Carlotta Buchner (Karlsruhe Institute of Technology – Institute for Astroparticle Physics (KIT-IAP))

5:15 PM Measurement of the Source Electric Potential in the KATRIN Experiment - Jaroslav Storek (IAP) Karo Erhardt

5:17 PM High-precision $Q$-value measurements for neutrino physics - Christoph Schweiger (Max-Planck-Institut für Kernphysik, Heidelberg, Germany)

5:19 PM Extended range measurement of the KATRIN energy loss function up to 200 eV - Justus Beisenkötter (Uni Münster)

5:21 PM Test setup for a potential electron tagger at KATRIN - Patrick Alexander Unkhoff (University Münster)

5:23 PM Studies on Ho implantation efficiency and upgrades for the HOLMES+ experiment - Federico Bianco (Università La Sapienza, INFN sezione Genova)

5:25 PM KAMELEON: a montecarlo and analytical approach to simulating electrons in the KATRIN beamline - Giulio Gagliardi (University of Milano-Bicocca) Tom Geigle (KIT)

5:27 PM Sensitivities beyond KATRIN: first steps towards a next-generation neutrino mass experiment - Chloe Goupy (MPIK) Neven Kovac (Institute for Astroparticle Physics, Karlsruhe Institute of Technology) Svenja Heyns

5:29 PM Neutrino mass absolute scale sensitivity studies for Holmium-based experiments - Sara Gamba

5:31 PM Search for Local Relic Neutrino Overdensities with the KATRIN experiment - Alessandro Schwemmer (Max-Planck-Institut für Kernphysik)

5:33 PM Measurement of the Electron Backscattering on the KATRIN Rear Wall - Justus Beisenkötter (Uni Münster) Neven Kovac (Institute for Astroparticle Physics, Karlsruhe Institute of Technology) Rudolf Sack (Karlsruhe Institut für Technologie)
6:30 PM Evening activities: Barbecue
Barbecue
6:30 PM - 9:00 PM
Tuesday, April 14, 2026

8:50 AM Announcements and introducions: Announcements for the day
Announcements for the day
8:50 AM - 9:00 AM
9:00 AM Overview: Collaboration overview talks - IV
Collaboration overview talks - IV
9:00 AM - 10:00 AM
Contributions

9:00 AM PTOLEMY Overview - Francesca Maria Pofi (GSSI)
10:00 AM Focused Topical Session: Background and systematics
Background and systematics
10:00 AM - 11:15 AM

11:15 AM Coffee break
Coffee break
11:15 AM - 11:45 AM
Room: Gaede foyer

11:45 AM Focused Topical Session: Holumium source
Holumium source
11:45 AM - 1:00 PM

1:00 PM Lunch break
Lunch break
1:00 PM - 2:30 PM
Room: Mensa am Adenauerring
2:30 PM Focused Topical Session: Front-end electronics
Front-end electronics
2:30 PM - 3:45 PM
Contributions

2:30 PM TRISTAN and KATRIN Frontend - Marco Carminati (Politecnico di Milano & INFN)

2:45 PM Project 8 Frontend - Noah Oblath (PNNL)

3:00 PM Multiplexing schemes - Marco Faverzani (INFN and University of Milano-Bicocca)

3:15 PM ECHo electron fro µMUX readout - Timo Muscheid (KIT)

3:30 PM QUBIC, X-IFU readout and multiplexing - Damien Prêle (APC CNRS/Université Paris Cité)
3:45 PM Coffee break
Coffee break
3:45 PM - 4:15 PM
Room: Gaede foyer
4:15 PM Focused Topical Session: Tritiated graphene
Tritiated graphene
4:15 PM - 5:05 PM
Contributions

4:15 PM Graphene theory - Angelo Esposito (Sapienza University of Rome)

4:30 PM Graphene loading - Alice Apponi

4:45 PM Tritium graphene - Genrich Zeller (KIT-TLK)
5:05 PM Posters: Poster session II
Poster session II
5:05 PM - 6:35 PM
Room: Gaede Foyer
Contributions

5:05 PM Why a solid tritium source was not an option for KATRIN - Lutz Bornschein (IAP-KIT)

5:07 PM Characterization of Tritium Retention in Solid Samples - Moritz Hellmann (KIT-TLK) Genrich Zeller (KIT-TLK)

5:09 PM Atomic Hydrogen Beam Characterization Techniques for the KAMATE Collaboration - Aya El Boustani (University of Mainz) Brunilda Mucogllava (University of Mainz)

5:11 PM Characterization of an inductively coupled plasma source for atomic hydrogen with optical emission spectroscopy - David Frese Görkem Yavuz

5:13 PM ELECTRON - Development of High Resolution Metallic Microcalorimeters for a Future Neutrino Mass Experiment - Neven Kovac (Institute for Astroparticle Physics, Karlsruhe Institute of Technology)

5:15 PM Search for keV sterile neutrino with the TRISTAN detector at KATRIN - Anthony Onillon (Max-Planck-Institut für Kernphysik)

5:17 PM Coupled Gas Dynamics Simulations and Superconducting Magnet Design for High-Flow Millikelvin Atomic Tritium - Alec Lindman (Johannes Gutenberg Universität Mainz)

5:19 PM Probing new light bosons with the KATRIN experiment - Joscha Lauer (KIT)

5:21 PM TRIMS: The Molecular Physics of Tritium Decay - Diana Parno (Carnegie Mellon University)

5:23 PM Search for neutrino mass - 8 decades of tritium source evolution - Beate Bornschein (Karlsruhe Institute of Technology, Institute for Astroparticle Physics)

5:25 PM Qualification measurements towards a new KATRIN Rear Wall - Kerstin Trost (KIT IAP-TLK)

5:27 PM KATRIN-like MINI-MAC-E Filter with a tritium source for the advanced physics lab course - Sarah Untereiner

5:29 PM Measurement of the Tritium Column Density at the KATRIN Experiment - Christoph Köhler (Max-Planck-Institut für Kernphysik) Neven Kovac (Institute for Astroparticle Physics, Karlsruhe Institute of Technology)

5:31 PM MAGNETIC-FIELD COMPATIBILITY AND LONGTERM-STABILITY OF TRISTAN DETECTORS FOR THE KATRIN keV STERILE NEUTRINO SEARCH - Fiona Braun (KIT - IAP) Simon Gentner (KIT - IAP)

5:33 PM Atomic Tritium Analytics for Future Neutrino Experiments - Tobias Geier (IAP-TLK)

5:35 PM Simulation of electron energy loss in the KATRIN source - Chloe Goupy (MPIK) Xaver Stribl

5:37 PM Search for keV-Scale Sterile Neutrinos with TRISTAN at KATRIN Using Neural Simulation-Based Inference - Luca Fallböhmer (MPIK)

5:39 PM Analysis strategies for determining the neutrino mass with the final KATRIN data set - Jan Plößner (MPIK) Karo Erhardt Khushbakht Habib (Karlsruhe Institute of Technology) Svenja Heyns

5:41 PM Development of KICS multiplexing lines for HOLMES+ experiment - Sara Gamba
6:35 PM Evening activities: Black light minigolf
Black light minigolf
6:35 PM - 9:05 PM
Contributions

6:35 PM Black light minigolf
Wednesday, April 15, 2026

8:35 AM Announcements and introducions: Announcements and introducions
Announcements and introducions
8:35 AM - 8:45 AM
8:45 AM Invited talks: Double beta decay
Double beta decay
8:45 AM - 9:45 AM
Contributions

8:45 AM Neutrinoless double beta decay overview - Lindley Winslow (Massachussets Institute of Technology)
9:45 AM Focused Topical Session: Atomic tritum
Atomic tritum
9:45 AM - 11:15 AM
Contributions

9:45 AM Hot sources for atomic tritium - Caroline Rodenbeck (Karlsruher Institut für Technologie (KIT), IAP-TLK)

10:00 AM Cryogenic sources and magentic confinement for atomic hydrogen - Vincenzo Monachello (UCL)

10:15 AM Dissocitating hydrogen below 1 K - Sergey Vasiliev (University of Turku)

10:30 AM Magnetic Cooling and Trapping - Jones Ben (U Manchester)

10:45 AM Atomic tritium experiments at TLK: Facilities and Opportunities for Collaboration - Marco Roellig (IAP-TLK)
11:15 AM Coffe break
Coffe break
11:15 AM - 11:45 AM
Room: Gaede foyer
11:45 AM Focused Topical Session: RF-based methods
RF-based methods
11:45 AM - 1:00 PM
Contributions

11:45 AM CRES introduction - Ben Monreal (Case Western Reserve University)

12:00 PM Project8 - CRES - Juliana Stachurska (Unversiteit Ghent)

12:15 PM PTOLEMY and RF - Federico Virzi (LNGS)

12:30 PM KATRIN - Time of Flight - Andrew Gavin (MPIK)
1:00 PM Lunch break
Lunch break
1:00 PM - 2:30 PM
Room: Mensa am Adenauerring
2:30 PM Focused Topical Session: Calibration methods
Calibration methods
2:30 PM - 3:45 PM
Contributions

2:30 PM Calibration overview - Lorenzo Calza (KIP Heidelberg)
3:45 PM Coffee break
Coffee break
3:45 PM - 4:15 PM
Room: Gaede foyer

4:15 PM Focused Topical Session: Data analysis
Data analysis
4:15 PM - 5:30 PM
5:30 PM Invited talks: Cryogenic detector applications in observational cosmology and astrophysics
Cryogenic detector applications in observational cosmology and astrophysics
5:30 PM - 6:30 PM
Contributions

5:30 PM Cryogenic detector applications in observational cosmology and astrophysics - Sotiris Loucatos (Irfu CEA-Saclay and APC, Paris)
6:30 PM Evening activities: Conference Dinner - Mariannes Flammkuchen
Conference Dinner - Mariannes Flammkuchen
6:30 PM - 9:00 PM
Thursday, April 16, 2026

8:35 AM Announcements and introducions: Announcements and introducions
Announcements and introducions
8:35 AM - 8:45 AM
8:45 AM Invited talks: Neutrino-mass from cosmology
Neutrino-mass from cosmology
8:45 AM - 9:45 AM
Contributions

8:45 AM Neutrino-mass inference through cosmological probes - Willem Elbers (Durham University)
9:45 AM NuMass-prize session - Loredana Gastaldo (Kirchhoff Institute for Physics, Heidelberg University, Heidelberg, Germany) Kathrin Valerius (Karlsruhe Institute of Technology) Magnus Schlösser (Tritium Laboratory Karlsruhe - Institute of Astroparticle Physics)
NuMass-prize session
- Loredana Gastaldo (Kirchhoff Institute for Physics, Heidelberg University, Heidelberg, Germany)
- Kathrin Valerius (Karlsruhe Institute of Technology)
- Magnus Schlösser (Tritium Laboratory Karlsruhe - Institute of Astroparticle Physics)
9:45 AM - 10:00 AM
10:00 AM Focused Topical Session: Wild Card / New Ideas
Wild Card / New Ideas
10:00 AM - 11:40 AM
Contributions

10:00 AM Bound-state beta decay of tritium - Evgeny Akhmedov (MPIK)

10:25 AM Evaporative cooling of Lithium atoms as pathfinder for Tritium atoms - Akshima Negi (University of Texas at Arlington)

10:50 AM PTOLEMY - The Transverse Drift Electromagnetic Filter - Federico Virzi (LNGS) Wonyong Chung (Princeton University)

11:15 AM High resolution time-of-flight spectroscopy at a MAC-E filter - Christian Weinheimer (University of Muenster)
11:40 AM Coffee break
Coffee break
11:40 AM - 12:05 PM
Room: Gaede foyer

12:05 PM Focused Topical Session: Quantum sensors
Quantum sensors
12:05 PM - 1:20 PM

1:20 PM Lunch break
Lunch break
1:20 PM - 2:50 PM
Room: Mensa am Adenauerring

2:50 PM Focused Topical Session: Strategy and synergies
Strategy and synergies
2:50 PM - 4:05 PM

4:05 PM Coffee break
Coffee break
4:05 PM - 4:35 PM
Room: Gaede Foyer

4:35 PM Wrap-up: Wrap-up talk
Wrap-up talk
4:35 PM - 5:15 PM

5:15 PM Announcements and introducions: Goodbye
Goodbye
5:15 PM - 5:30 PM