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, 13 September 2025 - 00:00

Monday, 8 September 2025
Tuesday, 9 September 2025
Wednesday, 10 September 2025
Thursday, 11 September 2025
Friday, 12 September 2025
Saturday, 13 September 2025
09:00 Opening Session: Welcome and Introduction
09:00 - 10:10
Room: WHGA/001 - Auditorium
Contributions

09:00 Welcome & Introduction - Bernhard Lauss (PSI - Paul Scherrer Institut)

09:10 The Neutron Lifetime: Why do we keep measuring it?, Why do we keep getting it “wrong”? - Geoffrey Greene (University of Tennessee)

09:40 Addressing the neutron lifetime anomaly with correlation parameters - Bastian Märkisch (Technische Universität München)
10:10 Break
Break
10:10 - 10:40
Room: WHGA/001 - Auditorium
10:40 Recent Advances in Neutron Lifetime Measurements
10:40 - 12:25
Room: WHGA/001 - Auditorium
Contributions

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

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

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

12:30 Lunch
Lunch
12:30 - 13:30
Room: WHGA/001 - Auditorium
13:30 Systematic Effects, Physics beyond the Standard Model
13:30 - 14:30
Room: WHGA/001 - Auditorium
Contributions

13:30 The Bound Beta Decay of the Free Neutron - A Possible Solution to the Neutron Lifetime Puzzle - Gutsmiedl Erwin (Technische Universität München)

13:50 How Small Heating of Ultracold Neutrons could be related to the Neutron Lifetime Puzzle - Felix Hummel (TU Wien)

14:10 Experimental limits on an excited neutron state as an explanation of the beam-bottle neutron lifetime discrepancy. - Christopher Morris (LANL)
14:30 Future Measurements and Experimental Strategies I
14:30 - 15:00
Room: WHGA/001 - Auditorium
Contributions

14:30 τSPECT- towards a new measurement of the free neutron lifetime in a full-3D magnetic trap - Martin Fertl (Johannes Gutenberg University Mainz)
15:00 Break
Break
15:00 - 15:30
Room: WHGA/001 - Auditorium
15:30 Future Measurements and Experimental Strategies II
15:30 - 16:10
Room: WHGA/001 - Auditorium
Contributions

15:30 UCNProBe a beam-type experiment using ultracold neutrons - Martin Krivos (Los Alamos National Laboratory)

15:50 The path to first measurements with the superconducting magnetic storage "PENeLOPE" - Moritz Gundel (TUM)
16:10 Round Table Discussion
16:10 - 17:00
Room: WHGA/001 - Auditorium
Contributions

16:10 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)

16:50 Closing Words - Dieter Achim Ries (PSI - Paul Scherrer Institut)

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