Catching Collisions in the LHC

Now that the Large Hadron Collider has officially turned back on for its second run, within every proton collision could emerge the next new discovery in particle physics. Learn how the detectors on the Compact Muon Solenoid, or CMS, experiment capture and track particles as they are expelled from a collision. Talking us through these collisions are Claudia Fruguiele and Jim Hirschauer of Fermi National Accelerator Laboratory, the largest U.S. institution collaborating on the LHC.
Find out more about LHC Run 2:
www.fnal.gov/pub/presspass/pre...
www.symmetrymagazine.org/artic...

[@iamjimgroth]

Finally a video describing ho ow particle trajectories are recorded! I've been trying to find one for quite some time but the most common answer is "by using complex sensors, subatomic particles trajectories are recorded".
Now my next search begins: how do they avoid disturbing effects from the uncertainty principle when they measure the passing particles?

[@randycunningham7496]

Such a mind boggling piece of machinery. It's exciting to be alive and await the new discoveries to come.

[@King92Kazma]

So true :)

[@SciHeartJourney]

Thank you for talking about the "layers" of these gigantic imaging devices!

[@AmirTambe]

Thank you for sharing it with common people. We are thankful and grateful. :)

[@maxudovicic8134]

I can smell new discoveries for the LHC team these 2016... can't wait:-)

[@alexmartos9100]

Thank you for posting, I can't wait!!

[@earthtrigger5374]

Awesome video!
But I'll never get enough of Dr. Lincoln. Really looking forward to his next video!

[@Phoeonde]

Lovely, thanks for sharing!

[@brokentombot]

That's a great way of explaining it! It's a dense topic but this video nails it.

[@Jumbod007]

Awesome … thanks … !

[@Lucius_Chiaraviglio]

I didn't know they had to throw out so much of the data. This leads to a couple of potential problems: The automatic filtering system might accidentally throw out something important; and this makes it hard to compare the frequency of occurrence of all types of events to see if the statistics of otherwise ordinary events starts doing something interesting at higher energies.
By the way, important related video: ruclips.net/video/-d6sKfPfYTU/видео.html

[@AilemAfilm]

super super cool!

[@khiderbillal9961]

thsnks you helped me a lot

[@MaxMarkmanrud]

neat!

[@AtheistExpert]

if you could watch the collisions with your eyes would you see a flash of light or tiny fluctuations in the vacuum?

[@jessstuart7495]

That's amazing how physicists have figured out how to detect, track, and measure the energy and momentum of all the thousands of particles created after a collision. To my simple mind, it looks like an incomprehensible mess.

[@LunaticTheCat]

I want to get a tattoo of one of these collisions.

[@ronettreker]

Is the CMS calorimeter a type of scinitllator?

[@Bradgilliswhammyman]

It is a shame that the USA doesn't have a accelerator analagous to CERN. I honestly think the USA has passed the baton to Europe for new discoveries in particle physics.

[@homerp.hendelbergenheinzel6649]

We can stop shaming, when we learn to overcome this national bullshittery and start pulling on one string as a whole.

[@SawmonandNatalie]

6:40

[@williandr2690]

Futuro da humanidade e criaturas e alienígena universo .

[@williandr2690]

Ativar alto defesa e todos apitos ligado.

[@rusty6172]

Here you can find an easy to understand lecture that goes a bit more in depth about the trajectory detection of particles, but it is centered mainly around how bottom quarks are used in determining the type of particles being detected: ruclips.net/video/Sd7T23h334g/видео.html

[@shivamdubey4783]

if quark gluon plasma is so hot why dosent it melt the lhc can anyone plzzz

[@guitarheroprince123]

13TeV Yay!!!

[@DrVeerjay]

When two farts colide

[@Anne.411]

Well when you are using nuclear power to do experiments I would say you will get lots of energy back

[@DonCDXX]

Need hard drive space? Maybe a petition on whitehouse.gov asking scientists be allowed to use that zetabyte of storage built with US tax dollars in Utah.
With creative use of social media, it could work.

[@homerp.hendelbergenheinzel6649]

Just imaging the amount of porn that could be stored xD

[@nutCaseBUTTERFLY]

Why trajectory is of any importance?

[@radi0inhead]

John Smith "... from that we can measure the momentum of each particle and we know exactly, where it's going." 3:07

[@GrantE90]

Charged particles are deflected by magnetic fields, so they follow a curved path. Tracking the trajectory lets you "see" a particle's charge by the radius of its curved path.

[@bangyahead1]

They measure muons which are heavier than the protons from which they came? This is illogical.

[@DonCDXX]

+bangyahead1 Quantum mechanics as a field is fairly illogical. It still works.

[@harryandruschak2843]

Just consider the muon as a very fat electron. And tau is a very fat muon.

[@Lucius_Chiaraviglio]

Muons are not heavier than protons, just heavier than electrons. Tau particles are heavier than protons, but I guess they decay too quickly to make it out to the muon detector layer (although conceivably future accelerators might make collisions so powerful that tau particles formed in the collisions might be moving close enough to the speed of light to make it out there).

[@deactivatedaccount6599]

13 people flunked out of their particle physics program

[@miguelaphan58]

a piece machine

[@mekboppin7904]

ALL THAT MONEY AND ENERGY FOR A POINTLESS PREVIEW THAT WILL NEVER HELP MANKIND. JUST LIKE THE SPACE STATION.

[@kr_24]

Light, electricity, etc.

[@jdgrahamo]

Why do you feel the need to play ridiculous music in the background? Do you think the subject isn't interesting enough?

[@kindlin]

What would you have them play? Nothing? The music did not detract from the video when I watched it.

[@daisiesofdoom]

But are you not entertained?