iSGTW - International Science Grid This Week
iSGTW - International Science Grid This Week

Home > iSGTW - 14 January 2009

Issue 107: iSGTW 14 January 2009

With Large Hadron Collider repairs well underway at CERN, iSGTW looks ahead to LHC collisions with an all-LHC issue.

LCG, a challenge in 4-D: size, complexity, adaptability, funding 

Les Robertson, a key player behind the development of the LHC grid, retired in 2008 after 35 years at CERN. The following highlights a speech he gave at GridFest last October.

In a few words, it is hard to say something about computing that can compete with the wonders of the machine and its detectors.

Nevertheless, I shall try.

As we have seen, this accelerator creates extremely high-energy particle collisions, which in turn create new particles that decay in very complex ways as they move through the detector. The detector registers the passage of these particles with a vast number of sensors and, finally, creates a digitized summary that is recorded as what we call an “event.”

Physicists now face the challenge of unraveling all of this complexity in order to extract the science, and for this they need computers—lots of them.

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Feature - U.S. LHC Tier-3 centers for CMS

Researchers at Texas Tech University work more than 5,000 miles from CERN, but they will have just as much chance of making new physics discoveries using the data collected at the LHC as scientists in Switzerland.

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Feature - LHCb and EGEE 

 Beauty to unlock the mystery of asymmetry

Physicists were stunned in 1964 to discover that particles and their antimatter partners behave differently from each other in interactions such as nuclear decay. The LHCb experiment will use EGEE resources to process data that should shed light on this asymmetry.

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Statistic of the week

/WLCG rates No. 2 in The Times’ 2008 technology stories

Grid of 100,000 computers heralds new internet dawn reads the headline of the TimesOnline article of 29 September 2008 about the World-wide LHC Computing Grid. This article ranked number 2 in the journal’s top 50 most-read technology stories of the year! This is both good news and bad . . .

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Video of the week

/ATLAS demos giant 3-D digital camera

At the JavaOne conference, Derek Mathieson of CERN showed off the ATLAS detector and explained how  the detector uses open-source Java applications to collect data and how grid computing allows the data to be processed.

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 iSGTW 22 December 2010

Feature – Army of Women allies with CaBIG for online longitudinal studies

Special Announcement - iSGTW on Holiday

Video of the Week - Learn about LiDAR


NeHC launches social media

PRACE announces third Tier-0 machine

iRODS 2011 User Group Meeting

Jobs in distributed computing


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 Mark your calendar

December 2010

13-18, AGU Fall Meeting

14-16, UCC 2010

17, ICETI 2011 and ICSIT 2011

24, Abstract Submission deadline, EGI User Forum


January 2011

11, HPCS 2011 Submission Deadline

11, SPCloud 2011

22, ALENEX11

30 Jan – 3 Feb, ESCC/Internet2


February 2011

1 - 4, GlobusWorld '11

2, Lift 11

15 - 16, Cloudscape III

More calendar items . . .


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