CERN: Open Day 2013, day 1, part 2

Here the first part

At Prevesen Campus we start by visiting the AMS Control Center.

Credits CERN

From this place, they control, day and night, the experiment installed on the ISS to search for dark matter ( details). A special mention deserves the very Strikingly way with which the volunteer has guided us through the ‘secrets’ of the experiment.

Time to take the bus, get off after two stops at the CERN Control Centre .

The ‘control tower’ of the CERN, the place from which they control the accelerators.

Here from 4 area full of monitors they controll the accelerators, not the experiments ( ie ATLAS has the control room just above the cave of the experiment).
An Italian engineer shown us his work at LHC and SPS console (depending on shift). The crazy thing is that seen from here, CERN looks like a train station, in the control room each workers route the traffic to this or that track. The SPS, for example, receives the ‘package’ of particles from a previous accelerator, then it accelerates them, and when they satisfies the required parameters routes them to the connector that leads to the user, both the LHC or the experiments. More details : and in this Poster

It’s time to go visit ATLAS.
But before we venture into the cave of the experiment, a stop to the tent of Lego.

Credits CERN

Entering the tent with all those bricks scattered on the tables … well as said the catchphrase of Gabriele Cirilli (an Italian comedian): “I want be a baby again!” In the back of the room a special place for the detailed reproduction of ATLAS ( details )

In addition, the Lego is considering the proposal of a reduced version of the ATLAS Model
Finally the time has come to see the real detector . Deposited the bags and wearing a helmet, we went down as the last tour of the day. In a moment we were 100 m below Geneva. A couple of corridors and ohhh … it’s big (we were in the group with English speaking guide ) . Seen from below is really a huge machine: 25 meters high , 46 meters long and 25 meters wide, and ‘just’ 7,000 tons ( details ) .without forget the more then 3000 scientists work on ATLAS experiment. Does it exists something small here ?

The photo does not make justice of the size of the machine. Time to take a couple of photos, listening, as far as possible with the background noises , the guide explanations and it’s time to get back to the surface and out of the CERN , the guards are waiting for our group to close the gates!

Back to first part
Go to next day

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