First images of LHC collisions at 13 TeV

May 21, 2015, CERN
First images of LHC collisions at 13 TeV
Protons collide at 13 TeV sending showers of particles through the ALICE detector. Credit: ALICE

Last night, protons collided in the Large Hadron Collider (LHC) at the record-breaking energy of 13 TeV for the first time. These test collisions were to set up systems that protect the machine and detectors from particles that stray from the edges of the beam.

A key part of the process was the set-up of the collimators. These devices which absorb stray particles were adjusted in colliding-beam conditions. This set-up will give the accelerator team the data they need to ensure that the LHC magnets and are fully protected.

Today the tests continue. Colliding beams will stay in the LHC for several hours. The LHC Operations team will continue to monitor beam quality and optimisation of the set-up.

This is an important part of the process that will allow the experimental teams running the detectors ALICE, ATLAS, CMS and LHCb to switch on their experiments fully. Data taking and the start the LHC's second run is planned for early June.

Protons collide at 13 TeV sending showers of particles through the CMS detector. Credit: CMS

Protons collide at 13 TeV sending showers of particles through the ATLAS detector. Credit: ATLAS
Protons collide at 13 TeV sending showers of particles through the LHCb detector. Credit: LHCb

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rufusgwarren
not rated yet May 21, 2015
Please say that you trapped the beam within a sustained field and "only" lowered the field when stability is reached so that you understand the stability conditions of singly charged particles! This would be a very unique measurement, C'est vrai? In other words, also measure the effect of the instrumentation, censors, construction, field intensity has upon the field, i.e. tuned-in, i.e. laminar conditions! What's the measured change in state? Timing? Else power up and just pick a mode!
rufusgwarren
not rated yet May 21, 2015
Particle count, particle energy, and a reference to ... Oh, I get it. We know what we are looking is something we don't already know? Any idea? What's in the box? Children please, wait until the LHC ... !!!
viko_mx
1 / 5 (2) May 21, 2015
Fruitless efforts in the wrong direction. What they hope to find in this way? I suggest next time 1 milion Tev for a variety. Can these particles dissipating energy in the structure of the vacuum?
Robert_D
not rated yet May 21, 2015
Great! Now I can plan my summer vacation. I was waiting to see if the higher energies would destroy the universe.
Steve 200mph Cruiz
5 / 5 (2) May 23, 2015
Another stupid comment from viko.

Do you know English? Fruitless means they haven't discovered anything, they have already made tons of discoveries

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