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This page was thrown together quickly to provide some info about what fkw is doing these days. As an aside, the page with info on the UCSD written exam is here.

At this point, we are recruiting:

  • undergraduates
  • graduate students

CMS

This is where the focus is going now. Within the years 2004-2007, our focus was primarily on CMS computing, while doing physics only on CDF, where there was data. As we get closer to LHC data taking this is changing.

The physics focus on CMS is to leanr about the detector by repeating the analysis we have done on data at CDF now in Monte Carlo at CMS. The objective is NOT to actually do a realistic analysis yet, but rather to learn what the main issues are in reconstruction, and start improving the CMS reconstruction software.

We work closely with Claudio Campagnari's group at UCSB, Avi Yagil's group at UCSD, and Lothar Bauerdick's group at FNAL.

CMS Computing

People active on CMS computing:

  • Bruce Thayre (undergraduate)
  • Rami Vanguri (undergraduate)
  • Warren Andrews (graduate)
  • James Letts (Researcher)
  • Terrence Martin (Computing Staff)
  • Sanjay Padhi (Researcher)
  • Haifeng Pi (Researcher)
  • Abhishek Rana (Computing Staff)
  • Igor Sfiligoi (Computing Staff)
  • Frank Wuerthwein (faculty)

Publications on Computing by people in our group

  • CHEP 2009
    • Use of glide-ins in CMS for production and analysis (also CMS CR-2009/081)
    • A Grid Job Monitoring System
    • CREAM-CE: First experiences, results and requirements of the 4 LHC experiments
    • The commissioning of CMS sites: improving site reliability
    • Bringing the CMS Distributed Computing System into Scalable Operations
    • Pseudo-interactive monitoring in distributed computing
    • Flexible Session Management in a Distributed System
    • The condor scalability paper by Igor and Dan (need to find the name)
    • SVOPME: A Scalable Virtual Organization Privileges Management Environment
    • CDF software distribution on Grid using Parrot
    • CDF GlideinWMS? usage in Grid computing in High Energy Physics
  • The commissioning of CMS computing centres in the worldwide LHC comuting Grid (Nuclear Science Symposium Conference Record 2008, NSS '08 IEEE)
  • The commissioning of CMS computing centres in the WLCG Grid (ACAT 08, 043, XII Advanced Computing and Analysis Techniques in Physics Research 2008, Erice, Italy) (EGEE-08, Istanbul, Sept. 22-26, 2008)
  • Definition and Implementation of a SAML-XACML Profile for Authorization Interoperability across Grid Middleware in OSG and EGEE (Journal of Grid Computing)
  • Pilot Job Accounting and Auditing in Open Science Grid (IEEE Grid 2008
  • The pilot way to Grid resources using glideinWMS (CSIE 09)

CMS Physics

All the students, researchers, and faculty are active in CMS physics to differing degrees. Our interests in CMS physics revolve around 2 or more leptons in the final state. Basically the same final states as we worked on in CDF, but with more of a thrust towards discovery than measuring Standard Model processes.

As CMS has not started data taking, there is no results worth reporting here.

What we have done recently includes:

  • MET commissioning (CMS PAS)
  • WW to lnulnu (CMS PAS)
  • ttbar to lnulnujj (CMS PAS)
  • some initial SUSY studies, (Analysis notes on dilepton same sign and opposite sign at CMS)
  • new physics with boosted Zs

The basic ideas is to focus on new physics searches with 2 or more leptons. The rational is that the LHC is the only time in my lifetime when I will see such a large increase in center of mass energy. The very nature of hadron colliders means that the LHC has somewhere around 4-6 orders of magnitude more cross section than the Tevatron at the "high energy frontier". Add to this a factor of two larger design luminosity, and it's a chance that I probably will never see again.

As a result, I do not want to waste the next 5 years on anything but searches for new physics !!!

Non-physics computing

Open Science Grid Computing

Our group is heavily involved in the Open Science Grid (OSG), a nationwide distributed computing effort aimed at providing Grid computing to the scietific community.

CMS heavily relies on OSG for its computing needs, so a lot of effort is shared between the two.

In this section we present only information that is OSG specific and may not have direct, short term use in CMS.

People active on OSG computing:

  • Jeffrey Dost (undergraduate)
  • Christopher Theissen (undergraduate)
  • Terrence Martin (Computing Staff)
  • Sanjay Padhi (Researcher)
  • Haifeng Pi (Researcher)
  • Igor Sfiligoi (Computing Staff)
  • Frank Wuerthwein (faculty)

People that contributed in the past:

  • Amir Eibagi (undergraduate)
  • Jose Antonio Coarasa Perez (Computing Staff)

Roles in OSG:

  • Member of the Executive Team (Frank Wuerthwein)
  • Leader of the Scalability, Reliability and Usability Area (Igor Sfiligoi)

Major subtasks:

  • Scalability and reliability of the storage components (Haifeng Pi)
  • Development of monitoring tools (Jeffrey Dost)
  • Development of scalability tools (Igor Sfiligoi, Christopher Theissen, J.A.P. Coaras)

While OSG usually does not develop software, the OSG scalability etc. work required tools that were not readily available, so new tools have to be developped.

The tools are hosted on sourceforge at http://sourceforge.net/projects/osgscal/.

Publications:

  • Using Condor glideins for distributed testing of network-facing services (IWHGA2010 - Preprint)

CorralWMS?

Our group is also involved in the development of Grid Workload Management Systems (WMS).

The current R&D effort is oriented toward the development of CorralWMS, an integration of glideinWMS and Corral. The effort is a collaboration of UCSD, Fermilab and ISI.

People active on CorralWMS? :

  • Tim Kang (undergraduate)
  • Tony Myers (undergraduate)
  • Robert Chen (undergraduate
  • Alison McCrea? (undergraduate)
  • Warren Andrews (graduate)
  • Igor Sfiligoi (Computing Staff)
  • Frank Wuerthwein (faculty)

People that contributed in the past:

JavascriptRRD?

Our group has developped, and is maintaining, a Javascript-based library for reading an plotting RRD databases.

The package is hosted on sourceforge at http://sourceforge.net/projects/javascriptrrd/.

It is currently being used in glideinWMS and CorralWMS? (see above).

People involved from our group:

  • Igor Sfiligoi (Computing Staff)
  • Frank Wuerthwein (Faculty)

Physics with CDF

The people (formerly) active on CDF:

  • Rami Vanguri (former undergraduate, now graduate @ UPenn)
  • Shih-Chieh Hsu (former graduate student, now Chamberlain Fellowship to work on Atlas at Berkeley since May 2008)
  • Matt Norman (former graduate student, now computing infrastructure developer with CMS)
  • Elliot Lipeles (former post-doc, starting faculty job at UPenn on June 1st 2008)
  • Mark Neubauer (former post-doc. Faculty at UIUC since Fall 2007)
  • fkw (faculty)

Bottom line, the CDF effort is winding down. All that's left to do is finish off a couple analyses, and write papers for them.

Public CDF Results from UCSD

-- FkW - 4 March 2010

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Topic revision: r9 - 2010/03/25 - 04:08:39 - IgorSfiligoi
 
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