Sep 12 – 17, 2021
University of Birmingham
Europe/London timezone

GridPix: the ultimate electron detector for TPCs (in-person)

Sep 14, 2021, 5:25 PM
15m
in-person

in-person

Speaker

Harry Van Der Graaf (Nikhef National institute for subatomic physics (NL))

Description

By means of “Integrated Grid” InGrid MEMS technology, a MicroMegas is created on top of the (spark protected) TimePix-3 chip. Units containing four chips “Quads” and their services (data and control transfer, power, cooling) can be placed together, forming an arbitrarily large active direction area. Data from UV laser tracks, from cosmic ray muons, and from test beams are presented.
By applying 1.4 % CS2 in the gas, the drifting electrons form drifting negative ions of which the two drift velocities are measured with high precision. Negative ion TPCs can self-provide Tzero for tracks, which is convenient in rare-event experiments.
An outlook is presented on applying the future TimePix-4 in the electron GridPix detector.

email vdgraaf@nikhef.nl
Title Prof
Institute Nikhef & TU Delft
Nationality Dutch
Your name Harry van der Graaf

Primary author

Harry Van Der Graaf (Nikhef National institute for subatomic physics (NL))

Co-authors

Cornelis Ligtenberg (Nikhef) Martin Van Beuzekom (Nikhef National institute for subatomic physics (NL)) Yevgen Bilevych (University of Bonn (DE)) Klaus Desch (University of Bonn) Frederik Hartjes (Nikhef National institute for subatomic physics (NL)) Kevin Heijhoff (Nikhef National institute for subatomic physics (NL)) Jochen Kaminski (University of Bonn (DE)) Peter Kluit (Nikhef National institute for subatomic physics (NL)) Naomi Van Der Kolk (NIKHEF (NL)) Gerhard Raven (Nikhef National institute for subatomic physics (NL)) Jan Timmermans (Nikhef National institute for subatomic physics (NL))

Presentation materials