LIDINE 2024: LIght Detection In Noble Elements

Session

Detector techniques

27 Aug 2024, 09:00

Conveners

Detector techniques

• Pascoal Jose Giglio Pagliuso (Unicamp - Brazil)

9. Exploring N2 Capturing in Liquid Argon using Li-FAU Mol Sieve in the Iceberg Cryostat

Prof. Dirceu Noriler (UNICAMP), Mr Pedro Bianchi Neto (UNICAMP)

27/08/2024, 09:00

Purification

Oral

Liquefied ultra-pure noble gases are typically the chosen target for neutrino and dark matter experiments. Commonly, the required grade of purity of such cryogenic liquids in terms of oxygen contamination (< 100 ppt), which makes it necessary for the Gaseous Argon (GAr) and/or the Liquid Argon (LAr) to circulate through adsorption columns filled, typically, with BASF Cu-0226S and Mol Sieve 4A...

37. The 2.6m-high Xenoscope TPC: design, assembly, and first results

Ricardo Peres (University of Zurich)

27/08/2024, 09:20

HV

Oral

The DARWIN project aims to build and operate a next-generation observatory for dark matter and neutrino physics, featuring a time projection chamber (TPC) with a proposed active target of 40 t of liquid xenon (LXe). Xenoscope is a full-scale vertical demonstrator for the future DARWIN detector built at the University of Zürich. Its main objective is to demonstrate electron drift over...

14. Gd-PMMA: a novel neutron tagging technology for low background detectors

Prof. Yi Wang (Institute of High Energy Physics, Chinese Academy of Sciences)

27/08/2024, 09:45

HV

Oral

Low background detectors, such as those used in direct dark matter searches, require high-efficient neutron veto to reject nuclear recoil backgrounds. Gadolinium-doped polymethyl methacrylate (Gd-PMMA) has emerged as a promising solid neutron tagging material, with high hydrogen content for moderating neutrons and gadolinium content for capturing thermal neutrons and exploiting subsequent...

22. Advances on MagLITe photo-collection efficiency

Bruno Gelli (UNICAMP)

27/08/2024, 10:10

Purification

Oral

Photodetection systems in liquid noble element experiments often utilize external wavelength shifter films deposited over optical elements; however, this method is susceptible to issues such as loss of efficiency, cross-contamination, and mechanical and chemical stress. Our research group has developed MagLITe (Magnesium fluoride Light collection Improvement technique) to address these...