9–13 Mar 2026
Salle Totem, Le Bachat, Chamrousse, France
Europe/Paris timezone

An Alp-Sized Neutron Absorber: Recent Discoveries and Measurements around Zirconium-88

11 Mar 2026, 17:50
25m
Salle Totem, Le Bachat, Chamrousse, France

Salle Totem, Le Bachat, Chamrousse, France

Speaker

Will FLANAGAN (University of Texas / University of Dallas)

Description

It was discovered in 2019 that the thermal neutron absorption cross section of zirconium-88 was roughly 800,000 barns when 10 barns was expected. This has set off a flurry of activity and interest in the nuclear community. This talk will describe the ongoing efforts to resolve this mystery. These activities include measurements of the metastable state of zirconium-89 at the University of Texas NETL reactor in April 2024, a search for the underlying neutron absorption resonance at the CERN neutron Time-Of-Flight (n_TOF) experiment in August and September 2024, and spectroscopy of the neutron absorption at ILL FIPPS in August through October 2025.

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