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Keyword：Switzerland
Large Structure for CMS Future High-Granularity Calorimeter Passes Rigorous Cold Tests
A key engineering test for the future High-Granularity Calorimeter (HGCAL) of the CMS experiment at CERN has recently made progress. One of the largest HGCAL structures has completed a series of rigorous cold tests, during which no overheating, condensation, or leakage was recorded on the outer panels, laying the groundwork for its future service at the High-Luminosity Large Hadron Collider (HL-LHC). HGCAL will replace the existing endcap calorimeters of the CMS experiment to reconstruct particle showers with greater precision under HL-LHC operating conditions. The structure tested this time is the first of two large stainless steel absorber structures. By design, the active elements of HGCAL will be installed within the absorber structures and must maintain long-term stable performance in a cryogenic environment...
2026-08-03
Indiana University Team Participates in Large Hadron Collider Detector Upgrade
On July 28, 2026, physicists from Indiana University are participating in an international scientific collaboration to install new particle detector components at the Large Hadron Collider (LHC) at CERN, located near Geneva, Switzerland, to enhance scientists' ability to study the fundamental building blocks of the universe. The Large Hadron Collider is currently the world's largest particle accelerator, which helps researchers explore the structure of matter and fundamental interactions by colliding protons at near-light speeds and analyzing the particles produced in the collisions. Indiana University is a member of the ATLAS experiment collaboration, which comprises approximately 245 institutions from over 40 countries, with thousands of scientists...
2026-07-29