*** 2.36TeV collisions ***

The place to discuss the LHC. Commissioning, operation, issues, events ....
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Re: *** 2.36TeV collisions ***

Post by heladepela » Wed Dec 09, 2009 10:14 am

Hi Xymox, you mentioned a "brand new" LHCb view, would you consider that the best place to view things happening ? I'm generally using the LHC Status Ops view (as a screensaver almost) to see what's going on. Very keen to find a more detailed "exciting" view.

LHCb Event Display is currently showing a blank screen in aquamarine :roll:

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Re: *** 2.36TeV collisions ***

Post by Xymox » Wed Dec 09, 2009 10:25 am

Oh no no no... Its just a supplement

Page 1 / comments and Status-op are mandatory.

Then keep a view *** progress *** and the elog book.

IRC chat is the best way as we always have someone there keeping track live.

server efnet.cs.hut.fi channel #LHC

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Re: *** 2.36TeV collisions ***

Post by chriwi » Wed Dec 09, 2009 2:07 pm

Somewhere else in this forum someoen posted, that at this early stage the magnets are allways set up in that way that the 2 beams cross in all experiments. If that is true this means whenever they have 2 beams running there is a more or less chance of collissions also when they are only test ramping to higher energys.
I guess this record collission was such an expected, but accidental event.


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Re: *** 2.36TeV collisions ***

Post by Harbles » Wed Dec 09, 2009 3:16 pm

The beam lines for the two beams always intersect at the 4 points where experiments are located. The CCC makes collisions happen when they adjust the RF system to get the beam bunches to be at the IP at the same. There are more systems that have not yet been brought online to compress the bunches so the protons are very tightly packed in their bunch thereby increasing the probability of collisions. Also they have only had 4 bunches in each beam. There system is designed to have 2808 bunches per beam. So you can see these are still early days and any collisions are used to calibrate detectors and verify they are working correctly.

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Re: *** 2.36TeV collisions ***

Post by freedomisgood » Thu Dec 10, 2009 4:28 am

I think CERN has actually started a portal to another dimension or time , take a look! http://www.wired.com/wiredscience/2009/ ... ment-86249
The timing was almost perfect for this! Also here is a video!

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Re: *** 2.36TeV collisions ***

Post by Stephen » Thu Dec 10, 2009 5:58 am

No, it was a Russian missile.

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