DISCOVER Magazine. Science, Technology and The Future
Current Issue
Subscribe Today »
  • Renew
  • Give a Gift
  • Archives
  • Customer Service
  • Facebook
  • Twitter
  • Newsletter
  • Health & Medicine
  • Mind & Brain
  • Technology
  • Space
  • Human Origins
  • Living World
  • Environment
  • Physics & Math
  • Video
  • Photos
  • Podcast
  • RSS
Cosmic Variance
« You Can’t Make This Stuff Up
You too can be Galileo »

Beam Seen in LHC’s CMS Experiment

by Sean Carroll

Mischievous baguette-dropping birds be damned! The LHC had another milestone this weekend, as the CMS experiment detected “splash” events.

Splash at CMS

They’re not quite to the promised land yet (even remembering that the beam energies are a lot lower than we eventually want them to be). A little while ago we had beam traveling through the accelerator, which is obviously a big step. These splash events happen when the beam collides into something “upstream,” creating a splash of particles that are then detected by the experiment. The big step will be when beams moving in opposite directions actually collide with each other inside the detector. I predict you’ll hear soon when that happens.

You can follow CMS at its Facebook fan page. 528 fans, I’m sure we can boost that number.

I already have a bet with Brian Schmidt that we will fine at least 3-sigma evidence for the Higgs within five years (either at Fermilab or the LHC). Feeling pretty optimistic right now.

Share

November 8th, 2009 1:36 PM
in Miscellany | 19 comments | RSS feed | Trackback >

19 Responses to “Beam Seen in LHC’s CMS Experiment”

  1. 1.   Sili Says:
    November 8th, 2009 at 2:31 pm

    <Kermit>YAYYYYYYYY!!!!</Kermit>

  2. 2.   loonunit Says:
    November 8th, 2009 at 10:15 pm

    Why did Brian make that bet? Fundamental distrust of the standard model?

  3. 3.   Sean Says:
    November 8th, 2009 at 10:18 pm

    Fundamental pessimism of the experimentalist.

  4. 4.   Jimbo Says:
    November 8th, 2009 at 10:46 pm

    Bet all U can on 3sigma evidence for Mh = 128.5 Gev…The CC & inflation demand it.

  5. 5.   Christopher Ak. Says:
    November 9th, 2009 at 12:55 am

    Hi Sean,
    This comment is irrelevant to the particular post, but I don’t know how else to communicate with you. There’s an interesting article called “Quantum Theory and Beyond: Is Entanglement Special?” by Borivoje Dakic, Caslav Brukner (http://arxiv.org/abs/0911.0695), that laymen like myself can not hope to decipher. I would like to understand what they say, though.
    Would it be too much trouble to ask you to take a look at it and post your thoughts on it?

  6. 6.   madcap Says:
    November 9th, 2009 at 1:00 am

    Now witness the power of this fully armed and fully operational battle station!

  7. 7.   Per Says:
    November 9th, 2009 at 2:26 am

    Sean,

    What does the winner of the bet get?

  8. 8.   Caleb Says:
    November 9th, 2009 at 2:47 am

    Almost there :D Progress!

  9. 9.   Nameless Says:
    November 9th, 2009 at 3:04 am

    732 fans as of this moment.

  10. 10.   ObsessiveMathsFreak Says:
    November 9th, 2009 at 6:28 am

    How do the detectors work? Specifically, how do you image the myriad of subatomic particles using macroscopic instruments? I’ve yet to see the definitive blog post on this one.

  11. 11.   Eunoia Says:
    November 9th, 2009 at 7:17 am

    Oh, crumbs!

  12. 12.   Sean Says:
    November 9th, 2009 at 8:21 am

    Here are two of the definitive blog posts:

    http://blogs.discovermagazine.com/cosmicvariance/2006/12/14/detectors-101/

    http://blogs.discovermagazine.com/cosmicvariance/2007/07/26/billion-dollar-baby-the-cms-silicon-tracker/

  13. 13.   Arrow Says:
    November 9th, 2009 at 12:19 pm

    I am positive Higgs does not exist, I am not so sure it will prevent it’s “discovery” though.

  14. 14.   Sili Says:
    November 9th, 2009 at 3:31 pm

    Nah, Higgs exists. I’ve seen pictures of him and heard him on the radio.

  15. 15.   Mandeep Says:
    November 9th, 2009 at 5:51 pm

    Rockindicular!! i’ve been just ignoring all the positive recent signs, too worried something disastrous is gonna happen again.. and of course, it yet may. but this is an excellent milestone, and the moment that one first has beam collisions at a new collider is one never to be forgotten — i remember the exact day this first happened at BaBar in 1999. ok, we’re still not there yet, but it looks *finally* right over the horizon. and much as this pleases me, i’m quite sure all my friends on the LHC are even more tickled by it. BTSM (whatever that will mean) — watch out, here we humans come!!!

  16. 16.   Jane Says:
    November 10th, 2009 at 12:43 pm

    This is the machine which will invent time travel…..(and this is what they are trying to do, but won’t tell you). In order to travel through time, one must be anti-matter, undetected by both light and black holes. In other words, one must be matter and anti-matter at the same time (or else, travel through an object that is both). Time travellers exist today (UFO’s) and are causing the world to become what it is—controlled by governments! And, your tax dollars are paying for it.

  17. 17.   Richard Weed Says:
    November 11th, 2009 at 3:20 am

    So does this mean now we are no longer all in the big toe of a green giant but are now in the vacuum cleaner of a Mexican cleaning lady who might stub her toe? Why do physicists and cops think their one liners are funny? Kitchen or the bedroom,Jane…

  18. 18.   Joe Says:
    November 11th, 2009 at 8:30 pm

    Meh. We’ll get really close to finding all the answers, then the funds will get cut. Just like with the superconducting monkey collider.

    http://www.theonion.com/content/node/30420

  19. 19.   Kosmische Kuriosa kompakt « Skyweek Zwei Punkt Null Says:
    November 20th, 2009 at 10:51 am

    [...] (Cosmic Variance, BBC, Physics World 20., BBC, Telegraph 19., AP 17., Cosmic Log 13., eSkeptic 11., Cosmic Variance 8., Twisted Physics [...]





    • Cosmic Variance Cosmic Variance is a group blog by people who, coincidentally or not, all happen to be physicists and astrophysicists:
      • Daniel Holz
      • JoAnne Hewett
      • John Conway
      • Julianne Dalcanton
      • Mark Trodden
      • Risa Wechsler
      • Sean Carroll
      Our day (and night) jobs notwithstanding, the blog is about whatever we find interesting — science, to be sure, but also arts, politics, culture, technology, academia, and miscellaneous trivia. We have similar outlooks on many things, widely disparate opinions about others, and will do our best to keep the discourse reasonably elevated.
    • Recent Posts

      • How To Think About Quantum Field Theory
      • A 3.8-Sigma Anomaly
      • Boycott Elsevier
      • Mind = Blown
      • Unsolicited Advice XIII: How to Craft a Well-Argued Proposal
      • Your Favorite Deep, Elegant, or Beautiful Explanation
      • Good News/Bad News: Nobel Edition
      • Do I Not Live?
      • Noisy Systems and Wandering Canines
      • Happy Birthday, Stephen Hawking
      • Predictions for 2012
      • A Year Well Blogged
      • Happy Holidays!
      • Last-Minute Shopping List
      • The Girl With Various Interesting Qualities
    • Recent Comments

      • Kaleberg on How To Think About Quantum Field Theory
      • David Brown on How To Think About Quantum Field Theory
      • Andrew on How To Think About Quantum Field Theory
      • steven johnson on How To Think About Quantum Field Theory
      • Albert Z on How To Think About Quantum Field Theory
      • Phillip Helbig on How To Think About Quantum Field Theory
      • Marko on How To Think About Quantum Field Theory
      • Marko on How To Think About Quantum Field Theory
      • JoeTurpin on Your Favorite Deep, Elegant, or Beautiful Explanation
      • Valdis Kletnieks on A 3.8-Sigma Anomaly
      • Bob Kirshner on A 3.8-Sigma Anomaly
      • Vince on How To Think About Quantum Field Theory
    • Facebook

    • Archives By Date

    • Archives By Category

    • Useful Pages

      • Home
      • RSS Feed
      • Comments Feed
      • About
      • Links (Blogroll)
      • Guest Bloggers
      • Equations Using LaTeX
      • Facebook page and group
      • Twitter
      • Goodies Store
      • Google Blog Search
      • Technorati Profile
      • Bloglines citations
    • Site Meter



  • Kalmbach Publishing Co.

    Copyright © 2012, Kalmbach Publishing Co.

    Privacy - Terms - Reader Services - Subscribe Today - Advertise - About Us