Category: Newsletter
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CernVM 2019 Workshop
CernVM 2019 Workshop From 3rd June to 5th June, the 2019 CernVM Workshop took place. As about every 18 months, the CernVM workshop brings together software developers from EP-SFT, computing experts from the LHC experiments, WLCG system operators, and invited speakers from the IT industry. More than 40 participants discussed the state and future directions
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Electronics experts come together at Antwerp
Electronics experts come together at Antwerp The “Topical Workshop on Electronics for Particle Physics” is the successor of the LEB and LECC Workshop series, which were initiated in 1994 by the LHC Electronics Board (LEB), an advisory board to the CERN LHC Experiments Committee. Since 2007, the workshop runs autonomously under the name “Topical Workshop
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LHCb observes CP violation in charm
LHCb observes CP violation in charm We live in a Universe of matter, which is a good thing but poses a problem: We know that in the Big Bang initially as much matter as antimatter was produced, and that the antimatter somehow disappeared. How this happened is one of the questions that the LHCb experiment
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First measurement of a long-lived meson-meson atom lifetime
First measurement of a long-lived meson-meson atom lifetime In addition to the ordinary atoms, abnormal or exotic atoms serve as tools to study in detail the structure of atoms and their interactions. Different exotic atoms, consisting of other building blocks than electrons, protons and neutrons, have been observed and investigated. The DIRAC collaboration at CERN
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A word from the Deputy Head of the EP department – March 2019
A word from the Deputy Head of the EP department – March 2019 Dear Colleagues, dear Members of the EP Department and CERN Users, Welcome to the first EP newsletter of 2019. Following the completion of Run 2 at the end of last year we are now well established in the second long shutdown of
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ATLAS trigger system meets the challenges of Run 2
ATLAS trigger system meets the challenges of Run 2 The trigger system is an essential component of any collider experiment as it is responsible for deciding whether or not to keep an event from a given bunch-crossing interaction for later study. During Run 2 (2015 to 2018) of the Large Hadron Collider (LHC), the trigger
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ALICE trigger system: Present and Future
ALICE trigger system: Present and Future The purpose of any trigger system is to select an event sample strongly enriched in physics processes of interest, while rejecting those not of interest, and to do so in such a way as to make efficient use of the available detectors. The prime objective of the ALICE experiment
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Trigger strategies for the LHCb experiment
Trigger strategies for the LHCb experiment The LHCb experiment has finished a very successful data taking period in Run 2, collecting an additional 6 inverse femtobarns of proton-proton collisions. A significant modification to the Reconstruction and Trigger system of LHCb was implemented during the first LHC long shutdown period that both enhanced the physics goals
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CMS Trigger: Lessons from LHC Run 2
CMS Trigger: Lessons from LHC Run 2 The CMS experiment has a two-level trigger system [1], to reduce the number of events stored from the LHC bunch crossing rate of 40 MHz to around 1 kHz. The first level (the Level-1) uses custom electronics to reduce the rate of events to 100 kHz, and the
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Data acquisition challenges for the ProtoDUNE-SP experiment at CERN
Data acquisition challenges for the ProtoDUNE-SP experiment at CERN The ProtoDUNE Single-Phase (SP) experiment at the Neutrino Platform at CERN (read more) is taking data after about two years of construction and commissioning. Its primary goal is to validate the design principles, construction procedures, detector technologies, and long term stability in view of DUNE (Deep