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Silicon Module Tests

Silicon Module Tests. The modules are tested in the production labs. HIP is is participating in the rod quality tests at CERN.

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Silicon Module Tests

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  1. Silicon Module Tests • The modules are tested in the production labs. • HIP is is participating in the rod quality tests at CERN. • The plan of HIP CMS is to build a minitracker facility in Helsinki (Kumpula detector lab) to study system aspects and tracking with cosmic rays and a source, when production of rods is advanced enough. • As a first step a single module test setup has been built by HIP CMS at CERN. It is being used in collaboration with the CERN TOB group. • BUT: The minitracker project of HIP is on hold due to lack of funds.

  2. R&D on Radiation Hard Detectors • Novel types of silicon structures being processed at HUT Microelectronics Center (1) • Electric measurements in the Kumpula Clean Room • Irradiations at Jyväskylä Accelerator Center (2001 – 2002) (2) • Measurements at the H2 beam at CERN with the HIP SiBT 1 2

  3. Detector tests • The full size Cz processed detectors have been successfully tested in summer 2002 at the H2 test beam at CERN with the HIP SiBT. They show comparable performance to the conventional FZ detectors The irradiated Cz detectors have been measured again at the H2 beam with SiBT in 2003.

  4. R&D collaboration partners • Good collaboration with national and international partners: • Microelectronics Centre, Helsinki University of Technology • Laboratory of Machine Design, Helsinki University of Technology • Accelerator Laboratory, University of Jyvaskylä • CERN RD50 and RDF39 collaborating institutes • Brookhaven National Laboratory (USA) • University of Hamburg (Germany) • Ioffe Physico-Technical Institute (Russia)

  5. RPC Link Activities • Link Board for the RPC muon trigger and data transmission has been designed as a Helsinki-Warsaw project. • The prototype is ready and tested in a beam at CERN (1). • Design for Board Integration to CMS is being completed (2). • Link Board production (2100 boards) will take place in 2004 in Finland under supervision of the University of Lappeenranta. 2 1 Eija Tuominen

  6. 2. HIP CMS Software and Physics • CMS Core software and computing • GEANT4 development • Software alignment of the tracker • Physics simulation and preparation for reconstruction and physics analysis

  7. HIP CMS Software and Physics • GEANT4 simulation tools Nuclear cascade models implemented and compared with data p(597 MeV) + Pb p+(q=135o) + X

  8. HIP CMS Software and Physics • Software alignment of the pixel tracker new algorithms are being developed 144+240 sensors

  9. CMS trigger and computing Level-1 maximum trigger rate 100 kHz Average event size 1 Mbyte Builder network 1 Terabit/s Event filter computing power ≈ 5 106 MIPS Event flow control ≈ 106 Mssg/s No. Readout systems ≈ 512 No. Filter systems ≈ 512 x n System dead time ≈ % Event rate Level-1 • Tracking and vertexing • Electron validation RPC trigger link HLT output • CMS Core software and • computing • GEANT4 simulation tools • Software alignment of the tracker

  10. High Level Trigger and reconstruction studies Multilevel trigger system: Level-1 (40 MHz → 100 kHz) High Level Triggers (100 kHz → 100 Hz) Our contributions: electron identification & background rejection Photon reconstruction Pixel match: Electron isolation:

  11. HIP CMS Software and Physics • The HIP CMS group has participated in the development of the CMS detector concept since the beginning in 1991. • It has contributed to the design of CMS by studying its discovery potential by physics and detector simulation, mainly for Higgs search.

  12. Estimate of tan measurement precision at large tan Useful channels: H/A, H Tan measured from event rates At large tan: ~tan2*x tan/tan=1/2*sqrt((Ns+Nb)/Ns2 + (L/L)2 + (x/x)2) Theor. error x/x ~ 20% (Spira,Willenbrock) Luminosity error L/L ~ 5% At (mA=200GeV,tan=20)H/A: tan/tan ~ 11% tan/tan < 15% if Higgs boson detected with 5 signal

  13. Computing hardware activitiesat Kumpula • 1.4 TB Linux fileserver has been built for CMS Monte Carlo data storage • Linux cluster being assembled: • 32 nodes + frontend • 2U box per node • 66 CPUs in total • 2,13 GHz Athlon MP2600+ • 1 GB memory per node • 100 Mb/s LAN • 2*80 GB hard disk/node To be used in the CMS Data Challenge 2004

  14. HIP CMS and Grid • HIP is a Member of the EU DataGrid and NorduGrid projects • NorduGrid test platform has been operational in Kumpula since September 2002 • Connecting the fileserver to NorduGrid as a storage element is in progress

  15. Finnish CMS: Personnel • P.Aarnio HUT • S. Czellar HIP • V. Karimäki HIP • R. Kinnunen HIP • K. Lassila-Perini HIP • T. Lindén HIP • J. Tuominiemi HIP • E. Tuominen HIP • T.Tuuva LUT Engineers (1) (1)rs (1) Senior Scientist (9) Grad students (9) • J. Härkönen SA • S. Lehti SA A.Heikkinen HIP T. Lampén GRASPANP P. Luukka HIP T. Mäenpää HIP J. Nysten GRASPANP T.Palviainen LUT D. Ungaro HIP M. Voutilainen HIP L. Wendland HIP Post-docs (2) H. Katajisto HIP

  16. HIP CMS ProgrammeFunding(MEuro)

  17. HIP CMS Programme ”CORE” Funds (kEuro)

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