Welcome and ESS General Status

• Helmut Schober (European Spallation Source)

Room: ESS auditorium

ESS Science Update

• Giovanna Fragneto (European Spallation Source ERIC)

Room: ESS auditorium

HighNESS project status

• Valentina Santoro (European Spallation Source ERIC)

Room: ESS auditorium

Introduction to the HighNESS UCN/VCN sources designs

• Luca Zanini (European Spallation Source ERIC)

Room: ESS auditorium

UCN Source Solid Deuterium in the twister

• Nicola Rizzi (Denmark Tekinske Universitet)

Room: ESS auditorium

UCN Source SD2 in moderator cooling block

• Blahoslav Rataj (European Spallation Source ERIC)

Room: ESS auditorium

UCN Source He-II in the moderator cooling block

• Mathias Strothmann (Forschungszentrum Jülich GmbH)

Room: ESS auditorium

UCN source He-II In Large Beam Port

• Mina Akhyani (Lunds University (IBAN))

Room: ESS auditorium

UCN source He-II In beam

• Richard Wagner (Institut Laue-Langevin - ILL)

Room: ESS auditorium

VCN source - clathrates

• Shuqi Xu

Room: ESS auditorium

VCN source in Twister-I

• Nicola Rizzi (Denmark Tekinske Universitet)

Room: ESS auditorium

VCN source in Twister -II

• Ben Folsom (European Spallation Source ERIC)

Room: ESS auditorium

Diffraction-grating VCN interferometry and experimental search for neutron electric charge

• Alexander Ioffe

Room: ESS auditorium

VCN interferometry: Some history and (near) future perspectives

• Juergen Klepp

Room: ESS auditorium

Opportunities with ultracold neutrons at the ESS

• Skyler Degenkolb

Room: ESS auditorium

The TRIUMF Ultra Cold Advanced Neutron source and nEDM experiment

• Alexis Brossard

Room: ESS auditorium The TRIUMF UltraCold Advanced Neutron (TUCAN) collaboration aims for the measurement of the neutron electric dipole moment (nEDM) with a one order of magnitude improvement of the current best limit. Ultra-cold neutrons (UCNs) suits for such experiment as they can be trapped and stored for several minutes. The collaboration works toward the completion of a new high-intensity UCN source. UCN are produced by a neutron spallation target driven by TRIUMF’s proton cyclotron and a combination of heavy water, liquid deuterium moderator and super-fluid 4He converter. This production scheme has been successfully demonstrated by a prototype UCN source operated from 2017-2019 at TRIUMF. With our newly upgraded source, a statistical nEDM sensitivity of 10−27 e⋅cm would be achieved in 400 days of data taking. The source will also deliver UCNs to a second port that will be open to proposals from users worldwide. This presentation will present an overview of the UCNs source and nEDM experiment installation at TRIUMF.

New scattering kernels for solid deuterium and superfluid He4

• Rolando Granada (Argentine Atomic Energy Commission)

Room: ESS auditorium

UCN extraction from Solid Deuterium Moderator

• Ingo Rienaecker

Room: ESS auditorium

Countering gravity in a VCN SANS instrument

• Mads Bertelsen (ESS DMSC)

Room: ESS auditorium

Feasibility of a strong focusing synchrotron for neutron beams

• Shyh-Yuan Lee

Room: ESS auditorium We study the feasibility of storing cold neutron beams in a strong focusing synchrotron. We also propose an alternating-current (AC) dipole magnet to be used as a neutron acceleration device, and a pulsed quadrupole as a neutron beam kicker for injection and extraction. The AC acceleration device can provide adiabatic capture, acceleration or deceleration of neutron beams. It seems feasible to design a high quality neutron synchrotron for many future neutron beam applications, such as neutron life time measurements, “monoenergetic” neutron scattering experiments, pencil neutron beam applications, etc.

Discussion on UCN/VCN source Room: ESS auditorium

Discussion on a next call and close out

• Valentina Santoro (European Spallation Source ERIC)

Room: ESS auditorium