Developing AlMn films for Argonne TES fabrication

Paper summary: E. M. Vavagiakis, N. F. Cothard, J. R. Stevens, C.L. Chang, M.D. Niemack, G. Wang, V.G. Yefremenko, J. Zhang 2019. “Developing AlMn Films for Argonne TES fabrication,” Journal of Low Temperature Physics, arXiv:1910.10199. The reference design for the next-generation cosmic microwave background (CMB) experiment, CMB-S4, relies on large arrays of transition edge sensor (TES) … Continue reading Developing AlMn films for Argonne TES fabrication

The Largest Liquid Argon Neutrino Detector in the World: ProtoDUNE

ProtoDUNE is helping lead the way for the next generation of long-baseline neutrino experiments, and is exceeding expectations. DUNE, the Deep Underground Neutrino Experiment, will deploy four massive Liquid Argon Time Projection Chambers (LArTPCs) totaling 40 kilotons of liquid argon to study neutrinos, one of the universe’s most elusive particles. Time Projection Chambers use sensitive … Continue reading The Largest Liquid Argon Neutrino Detector in the World: ProtoDUNE

Designing a cryostat for Simons Observatory

A small number of us from the Simons Observatory (SO) cryogenics working group met at the University of Pennsylvania this week to dig into the beginnings of design requirements for the large-aperture telescope's cryogenic receiver. The sheer size of this cryostat (~2.5 meters in diameter) makes it an exciting design challenge. It will house the optics … Continue reading Designing a cryostat for Simons Observatory

Are you smarter than an ATLAS algorithm?

As it turns out, non-expert citizen scientists can match or beat out ATLAS algorithms in identifying features in images of LHC collisions. The ability of the general public to identify long-lived particles and other unusual features in images of LHC collisions recorded by the ATLAS experiment was studied using data from the Higgs Hunters project. The … Continue reading Are you smarter than an ATLAS algorithm?