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Carsten Hast March 17 th 2011

Test Beams Around the World (well, a very small world…) CERN (transparencies from Horst Breuker from CERN AIDA meeting) DESY (transparencies from Norbert Meiners for ALCPG11). Carsten Hast March 17 th 2011. Test Beams in Europe. European AIDA initiative

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Carsten Hast March 17 th 2011

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  1. Test Beams Around the World(well, a very small world…) CERN (transparencies from Horst Breuker from CERN AIDA meeting)DESY(transparencies from Norbert Meiners for ALCPG11) Carsten HastMarch 17th 2011

  2. Test Beams in Europe • European AIDA initiative • AIDA: Advanced European Infrastructures for Detectors and Accelerators • 2011 to 2014 funds 28 Million Euros (8M from the EU) • http://aida.web.cern.ch/aida/index.html • Funds among many other things access to the test beams at CERN and DESY • It’s a European initiative but not a closed club, so in order to participate hook up with your friends abroad… C.Hast, ESTB workshop SLAC, March 2011 2

  3. Beam Facilities at CERN North Area SPS Test Beams East Area PS Test Beams

  4. East Area PS Test Beams

  5. Typical Beam Parameters *) Intensity is for 1% momentum bite, nominal target and 2.1011 ppp on target and intensity collimator(s) wide opened. • Spill 400 ms (could be > 500 ms at 20 GeV/c) • Some more intensity control exists for the primary beam (0.5-1.0) and via the target efficiency (~0.02-1.0).

  6. CERN Test Beam • 2010 AIDA Shifts : • 600 (8h) in Test Beams • 200 (8h) in Irradiation Facility • Users at PS Test Beams : 20 Groups • Users at SPS Test Beams : 46 Groups • Users at Irradiation Facility : 18 Groups • To apply for beam time and more info go to: http://sps-schedule.web.cern.ch/sps-schedule C.Hast, ESTB workshop SLAC, March 2011 6

  7. CERN Schedule Test beams are available PS T9, T10, T11, SPS H2, H4, H6, H8 2011 : begin May to mid November 2012 : begin May to mid November 2013 : no beams at all at CERN 2014 : maybe beams from the PS from mid of the year; Horst Breuker does not expect beams from the SPS 2015 : begin May to mid November everything depends on the performance of the LHC and its experiments; They have to reach 10 fb-1 in the run which started last weekend ... C.Hast, ESTB workshop SLAC, March 2011

  8. Norbert Meyners, DESY ALCPG Workshop 2011 Eugene, March 19-23, 2011 DESY Test Beam Facilities- Status and Plan

  9. DESY Test Beam DESY provides three test beam lines with 1-5 (-6) GeV/c electrons Very simple system, no beam optics, just momentum selection via dipole magnet. Bremsstrahlung beam generated by a carbon fibre in the circulating beam of the electron/positron synchrotron DESY II. Photons are converted to electron/positron pairs with a metal plate. Beam is spread out into a horizontal fan with a dipole magnet. Collimator cuts out final beam.

  10. Test Beam Layout T21 T22 T24 T24/1 AIDATelescope MD Magnet MVDTelescope PCMAG

  11. Facilities for Test Beam User • All three test beam lines have • Interlock systems • Magnet control • Patch panels with preinstalled cables • Gas warning systems • Fast internet connection (DHCP)(100Mbit / 1Gbit possible) • The user can ask for: • Translation stages • Premixed gases • Big Dipole Magnet (1T) • Superconducting Magnet (1T) • Beam Telescopes: • MVD Telescope • AIDA Telescope • The users typically bring: • Data Acquisition incl. computers • Trigger scintillators

  12. Review 2010 • 13 User Groups • 53 Weeks scheduled • Severe accident • Vacuum leak at one carbon fibre holder • Unfortunately two were dismantled  lost two beams for 5 weeks (May/June) Luckily we could squeeze all user in one beam area (24) • Water leak at dipole magnet (24) (end May) 1 user lost 1 day Provisional fix stayed until regular maintenance week Uff! Exchange dipole magnet • Design and build new fibre holders • Installation in summer 2011 Leak Fibres Current Fibre Target Fibre

  13. You can apply for test beam time at DESY testbeam.desy.de Or contact: testbeam-coor@desy.de Summary • DESY test beam is running: Feb. 14 - July 10 and Aug. 15 - Dec. 21; 2011 • Users can apply for beam time through DESY test beam coordinators up to three weeks possible, longer terms negotiable You can apply for financial support See aida.web.cern.ch

  14. Summary Test Beams available: • 2011 CERN, DESY, FNAL and a little bit ESTB • 2012 CERN, DESY, ESTB (possibly hadrons later in ‘12) • 2013 DESY, ESTB, FNAL • 2014 CERN (maybe), DESY, ESTB, FNAL • 2015 CERN, DESY, ESTB, FNAL ESTB will be a much appreciated addition to the dwindling portfolio of possible test beams C.Hast, ESTB workshop SLAC, March 2011 14

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