How%20To%20Get%20Started%20in%20Analysis%20with%20Atlas%20software

1
How To Get Started in Analysis with Atlas software

• FAQ on How to Get account at BNL
• http//www.acf.bnl.gov/UserInfo/GettingStarted/
• http//www.acf.bnl.gov/UserInfo/GettingStarted/New
  User/
• FAX The filled form to BNL, They should contact
  you in couple of days and provide you your
  account details over email
• Once you have the account one can vist the
  following URL and get started with the tutorial
• https//twiki.cern.ch/twiki/bin/view/Atlas/USATLAS
  AnalysisTutorial1105

2
What is after Getting an account

• First download the program called puttygen and
  generate a key and upload the key in the BNL
  server Following this Link https//www.rcf.bnl.gov
  /Auth/External/SshKeys/UploadSshKey.php
• Before you can acess this URL to upload your
  public Key you need BNL account
• So bottom line Follow the Instructions and First
  get your BNL account.
• Download also pegeant and add your generated key
  once you login to your computer and this should
  allow you login to BNL COMPUTING Facility with
  PUTTY

3
How to Run Analysis Programs

• All atlas analysis is offline
• Follow this link http//atlas-sw.cern.ch/cgi-bin
  /viewcvs-atlas.cgi/offline/PhysicsAnalysis/dirlis
  t
• Once you have successfully completed the wiki
  page for Athena 11.0.5 Release You can take a
  look at the Directory structure offline at the
  following link
• /PhysicsAnalysis/AnalysisCommon/UserAnalysis/UserA
  nalysis
• Under This Directory ../src Directory contains
  all the codes For example z-gtee Decay.

4
Conclusion

• Once These steps are done we can go over some
  susy related Analysis.
• I will provide some root Files so that one can
  take a look at various Histograms in Root.