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Mar 30 6 tweets 4 min read
Today’s #PhotoOfTheWeek is all about the @LHCbExperiment. We are almost ready for #restartingLHC, so here are some of the tasks involved in the upgrade of the LHCb experiment. 💪
@LHCbExperiment ✅ Upgrade of the VErtex LOcator, a detector used to determine the exact point where the particles collide. One of its sensors is just 5mm away from the beam. Brand new modules were installed, with 40 million active pixels.
@LHCbExperiment ✅ New mirrors for the ring-imaging Cherenkov (RICH) detectors: this system consists of two huge digital cameras that measure the speed of particles. The lens system of the cameras is made of about 200 flat and spherical mirrors immersed in special gases.
@LHCbExperiment ✅ A brand new Upstream Tracker dedicated to measuring the trajectory of the particles. It consists of four stations with layers made of 968 silicon microstrip detectors. In the innermost areas, the pitch between two microstrips is 93.5 µm, the thickness of a human hair.
@LHCbExperiment ✅ Installation of the new SciFi Tracker, made of over 10 000 km of scintillating fibre. It reconstructs the particle’s hit position with a precision of 100 micron. It can output up to 20 Tb/s of data; this is equivalent to 50 million simultaneous 1080p Netflix streams.
@LHCbExperiment ✅ A new SMOG2 system, used to study proton-gas collisions and to measure the number of collisions delivered by the LHC accelerator. It was upgraded during the #LongShutdown2 and will provide unique experiment inputs during #LHCRun3!

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More from @CERN

Jun 21, 2021
“I would like to express my deepest gratitude to the many partners in our Member and Associate Member States and beyond who are making the #CERNScienceGateway possible, in particular to our generous donors.”
Fabiola Gianotti, CERN Director-General Image
🔴 Follow the webcast of the first stone ceremony of the #CERNScienceGateway: webcast.web.cern.ch/event/i1046896
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Ursula Bassler, President of the CERN Council
Read 6 tweets
May 13, 2020
🛠 Did you ever want to make your own particle detector?
Here is your chance! Build this low-cost open hardware project, investigate natural radioactivity around you and become a true citizen scientist: scoollab.web.cern.ch/diy-particle-d…
#DidYouKnow that Silicon-based detectors similar to this one are widely used in high-energy physics experiments?
The #Medipix collaboration makes the technology behind silicon pixel detectors available for applied physics domains such as medical imaging.
medipix.web.cern.ch Image
Do you like cold summer drinks? 🍹🏖
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Read 5 tweets
Mar 25, 2020
Find out which particle best fits your personality, learn about the properties of elementary particles & share your result below: cern.ch/identities

In light of #COVID19 keep your spacetime distance - be a #fermion 😏 Image
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Read 21 tweets
Mar 24, 2020
What is a period of restlessness for many of us can be turned into a time of reflection and learning from the safety of our homes. What better way to do that than with a healthy diet of physics-themed videos? 1/n
#StayAtHome
Let's start with John Ellis. We thought it's time to finally figure out what the Higgs boson is...
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Watch the unlikely story of our most venerable accelerator, from the mouth of our most venerable coworkers ⤵️
Read 20 tweets
Sep 14, 2019
The #CERNOpenDays have officially started! CERN’s Director-General Fabiola Gianotti opened the Laboratory’s doors at a ceremony attended by representatives of the local authorities. Image
Welcome to the #CERNOpenDays! Get ready to explore the future with us 🖖

📸 Maximilien Brice / CERN Image
Not at CERN this weekend for the #CERNOpenDays? No problem, you can watch the CERN Director-General’s talk starting in a few minutes via cern.ch/webcast Image
Read 8 tweets
May 13, 2019
It’s #MuseumWeek. If you visit CERN this week, take part in the event by using @CERN, #MuseumWeek and the # of the day.
➡️ visit.cern
#MuseumWeek
Come and see CERN scientists explain their day-to-day work on interactive video screens at the #Microcosm exhibition.

➡️ microcosm.web.cern.ch/en
#WomenInCulture Image
#MuseumWeek
Want to go behind-the-scenes at CERN? Book a guided tour, it's free of charge you just need to register in advance.

➡️ visit.cern/tours/guided-t…
#SecretsMW Image
Read 8 tweets

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