First Test Results of the Trans-Impedance Amplifier Stage of the Ultra-fast HPSoC ASIC

We present the first results from the HPSoC ASIC designed for readout of Ultra-fast Silicon Detectors. The 4-channel ASIC manufactured in 65 nm CMOS by TSMC has been optimized for 50 um thick AC-LGAD. The evaluation of the analog front end with \b{eta}-particles impinging on 3x3 AC-LGAD arrays (500 um pitch, 200x200 um2 metal) confirms a fast output rise time of 600 ps and good timing performance with a jitter of 45 ps. Further calibration experiments and TCT laser studies indicate some gain limitations that are being investigated and are driving the design of the second-generation pre-amplification stages to reach a jitter of 15 ps.Comment: 7 pages, 6 figure

Solidarity in spaces of ‘care and custody’: the hospitality politics of immigration detention visiting

This article contributes to criminological understanding of immigration detention by highlighting the volunteer visiting as a space of embodied thinking about critical responses to the burgeoning crimmigration system. It draws from interview material with volunteer visitors and people held in immigration detention centres to assess conceptual relevance of critical hospitality studies for anti-border practice. Both within Derridean scholarship on hospitality and in social-discourses on migration, host/citizen and guest/migrant identifications are understood as stable subject positions. I argue that to support resistance to deportation and establish mutual solidarity and cooperation in this context, detention visitors adopt multiple strategies of hospitality that position themselves as visitors as well as hosts. By counter-posing differing ways that volunteers occupy these roles, I show how the co-presence of divergent ways of offering hospitality allow visitors to navigate the complicities that necessarily afflict support in solidarity with migrants in carceral spaces of border control

CORE -- a COmpact detectoR for the EIC

The COmpact detectoR for the Eic (CORE) Proposal was submitted to the EIC "Call for Collaboration Proposals for Detectors". CORE comprehensively covers the physics scope of the EIC Community White Paper and the National Academies of Science 2018 report. The design exploits advances in detector precision and granularity to minimize size. The central detector includes a 3Tesla, 2.5m solenoid. Tracking is primarily silicon. Electromagnetic calorimetry is based on the high performance crystals. Ring-imaging Cherenkov detectors provide hadronic particle identification