DICE (Delft Internal Conversion Experiment)

Abstract

GridPix detectors are thin µTPCs, they provide an excellent vertex determination for internal radioactive sources and they have a 4π angular acceptance. Gridpix detectors are ideal to study anomolies in Internal Pair Conversion signaling elusive light neutral bosons.

GridPix detectors: Production and beam test results

“…Although the spark resistance is insufficient for some chips on the wafer, a major step has been taken in the production of GridPix detectors. Cheap and reliable production in large quantities will open up a large variety of new applications and possibilities [12,13].…”

Foam application from a closed system – a study of machine and foam parameters

“…This was determined from reflectance measurements at 660 nm (minimal reflection), from which a degree of penetration P, expressed as a percentage, was calculated according to Eqn 1 [1,2]: below the critical value for capillary transport a water deficiency leads to significantly less penetration. At first sight the penetration of liquid through the thickness of the substrate does not seem to be exceptionally improved by the use of foam during application.…”