Name: Neutron Lifetime Puzzle
Start: 2025-09-13T00:00:00+02:00
End: 2025-09-13T21:30:00+02:00
Location: PSI

Neutron Lifetime Puzzle

Saturday, September 13, 2025 - 12:00 AM

Monday, September 8, 2025
Tuesday, September 9, 2025
Wednesday, September 10, 2025
Thursday, September 11, 2025
Friday, September 12, 2025
Saturday, September 13, 2025
9:00 AM Opening Session: Welcome and Introduction
9:00 AM - 10:10 AM
Room: WHGA/001 - Auditorium
Contributions

9:00 AM Welcome & Introduction - Bernhard Lauss (PSI - Paul Scherrer Institut)

9:10 AM The Neutron Lifetime: Why do we keep measuring it?, Why do we keep getting it “wrong”? - Geoffrey Greene (University of Tennessee)

9:40 AM Addressing the neutron lifetime anomaly with correlation parameters - Bastian Märkisch (Technische Universität München)
10:10 AM Break
Break
10:10 AM - 10:40 AM
Room: WHGA/001 - Auditorium
10:40 AM Recent Advances in Neutron Lifetime Measurements
10:40 AM - 12:25 PM
Room: WHGA/001 - Auditorium
Contributions

10:40 AM Current status and future activities of UCNtau+ - Susan Seestrom (Los Alamos National Laboratory, Retired Senior Fellow and Guest Scientist)

11:10 AM The NIST Beam Neutron Lifetime Experiments - Fred Wietfeldt (Tulane University)

11:55 AM A new results of neutron lifetime measurement with cold neutron beam at J-PARC - Kenji Mishima (RCNP, Osaka university)
12:25 PM Photo
Photo
12:25 PM - 12:30 PM
Room: WHGA/001 - Auditorium

12:30 PM Lunch
Lunch
12:30 PM - 1:30 PM
Room: WHGA/001 - Auditorium
1:30 PM Systematic Effects, Physics beyond the Standard Model
1:30 PM - 2:30 PM
Room: WHGA/001 - Auditorium
Contributions

1:30 PM The Bound Beta Decay of the Free Neutron - A Possible Solution to the Neutron Lifetime Puzzle - Gutsmiedl Erwin (Technische Universität München)

1:50 PM How Small Heating of Ultracold Neutrons could be related to the Neutron Lifetime Puzzle - Felix Hummel (TU Wien)

2:10 PM Experimental limits on an excited neutron state as an explanation of the beam-bottle neutron lifetime discrepancy. - Christopher Morris (LANL)
2:30 PM Future Measurements and Experimental Strategies I
2:30 PM - 3:00 PM
Room: WHGA/001 - Auditorium
Contributions

2:30 PM τSPECT- towards a new measurement of the free neutron lifetime in a full-3D magnetic trap - Martin Fertl (Johannes Gutenberg University Mainz)
3:00 PM Break
Break
3:00 PM - 3:30 PM
Room: WHGA/001 - Auditorium
3:30 PM Future Measurements and Experimental Strategies II
3:30 PM - 4:10 PM
Room: WHGA/001 - Auditorium
Contributions

3:30 PM UCNProBe a beam-type experiment using ultracold neutrons - Martin Krivos (Los Alamos National Laboratory)

3:50 PM The path to first measurements with the superconducting magnetic storage "PENeLOPE" - Moritz Gundel (TUM)
4:10 PM Round Table Discussion
4:10 PM - 5:00 PM
Room: WHGA/001 - Auditorium
Contributions

4:10 PM Round Table Discussion - Christopher Morris (LANL) Dieter Achim Ries (PSI - Paul Scherrer Institut) Felix Hummel (TU Wien) Fred Wietfeldt (Tulane University) Kenji Mishima (RCNP, Osaka university) Peter Geltenbort (Institut Laue-Langevin)

4:50 PM Closing Words - Dieter Achim Ries (PSI - Paul Scherrer Institut)

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