Welcome from LENS

• Robert McGreevy (STFC)

Welcome and ESS General Status

• Helmut Schober (European Spallation Source)

Welcome and ESS Science Update

• Andreas Schreyer

The HighNESS Project

• Valentina Santoro (European Spallation Source ERIC)

Very Cold and Ultra Cold sources for ESS

• Luca Zanini (European Spallation Source ERIC)

Ultra cold neutron sources for fundamental physics experiments

• Hartmut Abele (TU Wien)

Very Cold Neutron sources for fundamental physics experiments

• Hirohiko Shimizu

Some considerations for condensed matter instrumentation with Very Cold Neutron

• Markus Strobl

Ultra Cold Neutron sources development at PNPI

• Anatolii Serebrov

Superfluid-helium UCN sources -"in-beam" versus "in-pile"

• Oliver Zimmer (ILL)

Ultra cold neutron sources based on solid deuterium

• Bernhard Lauss

Experience with the very cold neutron source PF2/VCN at the Institut Laue-Langevin

• Tobias Jenke

On the inquiry into the scientific case for and technical feasibility of intense very cold neutron beams

• Michael Fitzsimmons (ORNL/UTK)

I will provide some historical and scientific context for consideration of a very cold neutron source at the Second Target Station, ORNL. I focus on opportunities of VCN beams for materials science. The talk draws upon the 2016 ORNL workshop report: https://conference.sns.gov/event/18/.

Oppurtunities in the use of Very Cold Neutrons for reflectometry tecniques

• Frederic Ott

Opportunities in the use of Very Cold Neutron for imaging techniques

• Frederic Ott

Colder neutrons for Neutron Spin Echo instruments

• Peter Falus

Very Cold Neutrons in condensed matter research

• Ferenc Mezei

Why very cold neutrons could be useful for neutron antineutron searches

• Valery Nesvizhevsky (Institut Max von Laue - Paul Langevin)

Upgrades of Neutron Decay Angular Correlation and Lifetime Measurements at LANL: UCNA+ and UCNtau+

• Albert Young (NC State University)

Virtual tour of the ESS monolith

• Ulf Odén (European Spallation Source ERIC)

Moderators cooling at ESS

• Yannick Beßler (Forschungszentrum Jülich)

The source for Ultra Cold Neutrons at the FMR II

• Andreas Frei

The Moderator Test Facility at Budapest Research Reactor

• Alex Szakál (Centre for Energy Research)

Materials and libraries for Ultra Cold and Very Cold Neutron moderators

• Rolando Granada (Argentine Atomic Energy Commission)

Experience with the Solid D2 Moderator of the UCN Source at PSI and its Design

• Bertrand Blau (PSI)

Growing solid deuterium crystal for Ultra Cold Neutron production

• Ekaterina Korobkina

SuperSUN, a new UCN converter: concept and strategy

• Estelle Chanel (Institut Laue Langevin)

Solid cold moderator developments at the high Brilliance Source

• Alexander Schwab (JCNS-2, Forschungszentrum Jülich GmbH)

Information about discussion sessions

• Valentina Santoro (European Spallation Source ERIC)

A Superfluid He Superthermal Ultracold Neutron Source Embedded in a Cylindrical, High Power Spallation Target

• Kent Leoung

Production of ultracold neutrons in a decelerating runaway trap

• Valery Nesvizhevsky (Institut Max von Laue - Paul Langevin)

Approaches to in situ UCN production and detection for high-density storage experiments

• Skyler Degenkolb

On trapping cold neutrons in Fabry-Perot nanostructures and neutron life time

• Maaza

Outlook - final words

• Valentina Santoro (European Spallation Source ERIC)