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LHC collisions at new world-record energy (8 TeV)!


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Hochgeladen von CMSExperimentTV am 05.04.2012

A real proton-proton collision event with a centre-of-mass energy of 8 TeV[1], as seen in the CMS detector on 5th April, 2012.

The LHC circulates bunches of protons, each containing hundreds of billions of protons. When the bunches, travelling in opposite directions inside the LHC, cross inside CMS, multiple collisions of pairs of protons occur.

In this event, 23 pairs of protons collide, resulting in the production of a high number of particles.

Read CMS news item on the first collisions at 8 TeV: http://cms.web.cern.ch/news/new-world-record-first-pp-collisions-8-tev

Animation copyright: CERN, for the benefit of the CMS collaboration

Animation production: Loic Quertenmont

[1] TeV = Tera Electronvolt: http://lhc-machine-outreach.web.cern.ch/lhc-machine-outreach/lhc_glossary.htm

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Alle Kommentare (5)

When I was 13 I was scared of this machine. Now that I'm 18 and understand what it really is supposed to do I LOVE IT! TY!

JusPlayingBall vor 9 Stunden

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at high energy they don't repulse each other because the magnetic field produced by the motion compensate the electric field. The 23 collisions rate is due by the final focusing region that cannot squeeze more the beam with the present technology of magnets.

But consider that the collisions happens every 25 ns so there are ~ 1 billion of collisions per second. The electronic of the detectors is almost saturated by those signals, so even with a more squeezed beam there is a limit in the detector.

soldatoema vor 12 Stunden

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don't forget that the positively charged protons are actively avoiding each other as well !

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I find it amusing that they have to circulate hundreds of billions of protons to get 23 to smack into one another. There's so much empty space in matter as we know it!!

grreeknick vor 13 Stunden

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