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Thread: LHC starts up now..

  1. 2010-Mar-30, 05:30 AM #1
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    LHC starts up now..

    with proton - proton collisions, and the Swiss tabloid "Blick" has an online headline asking if a Black hole will suck us all in... http://www.blick.ch/news/schweiz/sch...ze-loch-143715



    A webcast from CERN here: http://webcast.cern.ch/lhcfirstphysics/

    starts up in about an hour...
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  2. 2010-Mar-30, 08:08 AM #2
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    A black hole must have sucked us in, as I'm watching Sky Captain and the World of Tomorrow for the 6th time...
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  3. 2010-Mar-30, 09:02 AM #3
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    No. Way. Dude. I'm watching the Fantastic Four.

    ETA: On a more on-topic note, I find it unbelievable that in the space age there are reputable newspapers printing the theory that the LHC is going to make a black hole non-sarcastically. Still, can't say as how Switzerland is liable to be the only place printing it.
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  4. 2010-Mar-30, 10:17 AM #4
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    Here's CERN Twitter.

    # Half of today's energy at the #LHC: 1,75 TeV! All lights are green! 4 minutes ago via web
    # Ramping up now! 20 minutes ago via web
    # Beams look really good this time. Preparing for energy ramp! 26 minutes ago via web
    # Beams are in again! Now, cross your fingers! We want to go for collisions here! 37 minutes ago via web
    # Live webcast restarting at 12:00 - Twitter is always on! 42 minutes ago via web
    # Unfortunately beam 2 was no good...we had to dump it...going for new injection about 1 hours ago via web
    # Beams are in! about 1 hours ago via web
    # Preparing for new injection from SPS, the smaller accelerator that brings particles to the LHC. about 1 hours ago via web
    Can't watch the webstream unfortunately.

    Collapsed!! less than 20 seconds ago via web
    Last edited by slang; 2010-Mar-30 at 10:59 AM.
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  5. 2010-Mar-30, 10:59 AM #5
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    Seeing the webcast is like being there live...

    Two beams are getting aligned.....
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  6. 2010-Mar-30, 11:01 AM #6
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    CMS has beams aligned.... applause...

    12:59 and the LHC beams have been aligned....

    LHC in collision mode...
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  7. 2010-Mar-30, 11:01 AM #7
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    Everybody is applauding....
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  8. 2010-Mar-30, 11:02 AM #8
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    Now waiting for the four experiments.... excitement everywhere...
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  9. 2010-Mar-30, 11:07 AM #9
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    Atlas control room observes first collisions....
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  10. 2010-Mar-30, 11:10 AM #10
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    CMS has now witnessed the first collisions... 100 events per second...
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  11. 2010-Mar-30, 11:22 AM #11
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    All experiments are taking data.... Beams should be good for several hours... Beams are stable...
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  12. 2010-Mar-30, 11:30 AM #12
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    Detecting collisons in all 4 detectors....
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  13. 2010-Mar-30, 11:31 AM #13
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    Muons detected... in Atlas....at 7 Tev...
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  14. 2010-Mar-30, 11:36 AM #14
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    Expected to only get 1 event per second, but are getting 100 events per second....
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  15. 2010-Mar-30, 11:37 AM #15
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    CMS: elastic symmetric proton collision with 30 tracks...
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  16. 2010-Mar-30, 11:43 AM #16
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    A first collision event...

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  17. 2010-Mar-30, 11:47 AM #17
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    "Now the real physics can start..."
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  18. 2010-Mar-30, 12:00 PM #18
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    They hope to be able to detect beauty (bottom) quarks any day now...
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  19. 2010-Mar-30, 12:07 PM #19
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    new particle discovered.

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  20. 2010-Mar-30, 01:39 PM #20
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    Quote Originally Posted by gzhpcu View Post
    Expected to only get 1 event per second, but are getting 100 events per second....
    Aaaaaahhhhhh!!!!!!!! It's out of control!!!!!!!
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  21. 2010-Mar-30, 01:50 PM #21
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    Quote Originally Posted by gzhpcu View Post
    CMS: elastic symmetric proton collision with 30 tracks...
    What's CMS mean?

    EDIT: Got it. Compact Muon Solenoid.
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  22. 2010-Mar-30, 01:56 PM #22
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    CMS = Compact Muon Solenoid
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  23. 2010-Mar-30, 01:59 PM #23
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    Thanks. So which one are they running? The CMC or the Beauty? Both?
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  24. 2010-Mar-30, 02:00 PM #24
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    Quote Originally Posted by Glom View Post
    Aaaaaahhhhhh!!!!!!!! It's out of control!!!!!!!
    Soon a mysterious voice will come out of the monitor screens!

    Quote Originally Posted by PraedSt View Post
    What's CMS mean?
    CMS: Compact Muon Solenoid, one of the four instruments.

    CERN Press Release
    ____________
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  25. 2010-Mar-30, 02:44 PM #25
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    More CERN Twitter:

    # Experiments have half million events! More than three hours of stable and colliding beams. WOW! 13 minutes ago via web
    ____________
    "Dumb all over, a little ugly on the side." -- Frank Zappa
    "Your right to hold an opinion is not being contested. Your expectation that it be taken seriously is." -- Jason Thompson
    "This is really very simple, but unfortunately it's very complicated." -- publius
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  26. 2010-Mar-31, 12:19 AM #26
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    I'm now worried because I didn't get a flash forward...
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  27. 2010-Mar-31, 12:45 AM #27
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    Well, now the only singularity seems to be the singular lack of planet destroying black holes. Kudos to all involved and hearty neener-neener to all the crackpots who thought it would destroy us all.
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  28. 2010-Mar-31, 03:52 AM #28
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    Quote Originally Posted by gzhpcu View Post
    Expected to only get 1 event per second, but are getting 100 events per second....
    Does that mean that the equipment is more efficient than anticipated, or is it that there is a new particle that was not expected that is doing the collisions? I mean, is the higher-than-expected incidence of events a scientific discovery?
    As above, so below
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  29. 2010-Mar-31, 04:03 AM #29
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    This is all wonderfully exciting! Is this thread going to be the spot to come back to for these updates? (other than the LHC twitter feed)

    It'd be great to have a central thread for all these updates.

    ETA: Also, related to Jens' post - if we're getting more collisions per second would that lead to more lower energy collisions rather than less higher energy ones?
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  30. 2010-Mar-31, 04:13 AM #30
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    LHC educational rap song: http://www.youtube.com/watch?v=j50ZssEojtM

    Another song to explain why worrying about LHC-created black holes is fruitless: http://www.youtube.com/user/alpineka.../0/ZZQknqX5DpU
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