Collaboration DIRAC

(DImeson Relativistic Atom Complex)

1. to measure the lifetime of   [π⁻π⁺] atoms

   → Pionium

2. to observe   [π⁻K⁺] & [π⁺K⁻] atoms

   → [πK] atom

3. then to measure the [πK] atom lifetime.

→    Latest on DIRAC:  

• Last SPSC meeting on 03 April 2012: DIRAC report (L. Nemenov)
• Future of DIRAC [status ; slides (private)]
• DIRAC in CERN Courier, March 2012, 24-26.
• DIRAC physics paper (CERN-PH-EP-2011-028, arXiv:1109.0569):
  Determination of ππ scattering lengths from measurement of ππ atom lifetime,
  Physics Letters B 704 (2011) 24.
• DIRAC physics paper (arXiv:0905.0101):
  Evidence for πK atoms with DIRAC,
  Physics Letters B 674 (2009) 11.
• DIRAC physics paper (hep-ex/0504044):
  First measurement of the ππ atom lifetime,
  Physics Letters B 619 (2005) 50.
• DIRAC physics paper (hep-ex/0409053):
  Detection of ππ atoms with the DIRAC spectrometer at CERN,
  J. Phys. G: Nucl. Part. Phys. 30 (2004) 1929-1946.
  This paper has been nominated by the Editorial Board of J. Phys. G
  for inclusion in the Research Highlights of 2004.
• DIRAC on Argonne News 2005 (28/02/05), physicsweb 2004 (Physics World) and in Frankfurter Allgemeine Zeitung (03/11/04)
• Conferences
• Software upgrade:
  • see DIRAC mail by D. Drijard from ... : NNN_nn (Ariane and detectors update)
• Public DIRAC (CERN-Courier [March 2012], PDF)

• Introduction 
• Trigger and DAQ system:
1. Trigger logic: DIRAC trigger (status 17.08.2007)
2. DAQ manuals
• Computing and software:
1. DIRAC offline user guide ---->  user guide
2. GEANT-DIRAC simulation -->  user guide
3. Simulated data processing --->  user guide
• Analysis:
1. RUN informations
2. Preselection

• Detector parts 
• Detector characteristics (DIRAC I setup, DIRAC II setup)
• Active image (for advanced browsers only)

• People 
• Mail addresses

• Papers [see also in cds: DIRAC Papers]
• Conference Proceedings [see also in cds: DIRAC Conference Proceedings]
• Notes [see also in cds: DIRAC Notes]
• Reports [see also in cds: DIRAC Reports]
• Theses [see also in cds: DIRAC Theses]
• Preprints
• Talks
• General references of interest for DIRAC
CHECK:
• Private DIRAC

• Meetings (collaboration, executive board, technical board)
  -> for minutes (see also Internal notes)
• DIRAC presentations at SPSC, CERN Administration and PAC Dubna (>1999)
  

• SHIFT schedule for 2012  (pdf)
• Run meetings: Tuesday & Friday in the DIRAC conference room, Bld 585 R-030, at 17:00.
• Check: DIRAC 2012
• Accelerator schedule
• Current status of the accelerator
• PS eLogbook
• EASTB infos

[Update: 26/04/12 JS]