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The facility implemented and demonstrated the feasibility of a scaled version of the CLIC Drive Beam: a 1.2 μs-long electron beam (bunched at 1.5 GHz, and with 4 A mean current) was generated and accelerated up to ~135 MeV in a ~80 m-long LINAC by using fully loaded accelerating structures powered by ~40 MW, 3 GHz RF pulses. [6]
The experiment has run multiple tests to ensure that the new detector components were working properly. The first physics run with a nearly complete detector took place in 2015. NA62 collected data in 2016, 2017 and 2018 before the CERN Long Shut Down 2. Data-taking resumed in 2021 and will continue until CERN Long Shut Down 3.
The Big European Bubble Chamber (BEBC) is a large detector formerly used to study particle physics at CERN. The chamber body, a stainless-steel vessel, was filled with 35 cubic metres of superheated liquid hydrogen, liquid deuterium, or a neon-hydrogen mixture, [1] whose sensitivity was regulated by means of a movable piston weighing 2 tons ...
[1] [2] [3] The upgrade started as a design study in 2010, for which a European Framework Program 7 grant was allocated in 2011, [4] [5] with goal of boosting the accelerator's potential for new discoveries in physics. The design study was approved by the CERN Council in 2016 and HL-LHC became a full-fledged CERN project.
The clocks at CERN and LNGS had to be in sync, and for this the researchers used high-quality GPS receivers, backed up with atomic clocks, at both places. This system timestamped both the proton pulse and the detected neutrinos to a claimed accuracy of 2.3 nanoseconds. But the timestamp could not be read like a clock.
The process started with protons from the Super Proton Synchrotron (SPS) at CERN being fired in pulses at a carbon target to produce pions and kaons. These particles decay to produce muons and neutrinos. [1] The beam from CERN was stopped on 3 December 2012, [2] ending data taking, but the analysis of the collected data has continued.
However, according to the U.S. Department of Agriculture's FoodData Central database, as of a few years ago, more than 8,000 branded food products still contained Red Dye No. 3. Common food ...
[3] [4] The first beam circulated ELENA on 18 November 2016. [5] The ring is expected to be fully operational by the end of the Long Shutdown 2 (LS2) in 2021. GBAR experiment (AD-7) was the first experiment to use a beam from ELENA, with the rest of the AD experiments following suit after LS2 when beam transfer lines from ELENA will have been ...