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The VHMPID R&D plan & PNU activity

The VHMPID R&D plan & PNU activity. JunGyu Yi Pusan National University KoALICE meeting 2012/05/23. VHMPID Upgrade at ALICE. ALICE Y. layout. View from the “ A ” side. ALICE X. FEE : based on HMPID ‘ Gassiplex. MWPC (or TGEM) – MIP. VHMPID in sector 11: 220< phi <240 deg.

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The VHMPID R&D plan & PNU activity

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  1. The VHMPID R&D plan& PNU activity JunGyu Yi Pusan National University KoALICE meeting 2012/05/23

  2. VHMPID Upgrade at ALICE ALICE Y • layout Viewfrom the “A” side ALICE X FEE : based on HMPID ‘Gassiplex MWPC (or TGEM) – MIP VHMPID insector 11: 220<phi<240 deg VHMPID insector 12: 240<phi<260 deg CaF2 / Saphaire quartz window CsI photon detector Radiator: C4F10 gas, 80cm~100cm Spherical concave Mirror: C-fibersubstrate & Al + MgF2 coating Detector acceptance ~30% of TPC acceptance in mid-rapidity (h = +-0.5) KoAlice Meeting

  3. R&D Status • Physics Goal • pi,K,p PID up to p=25GeV/c • ‘Jet’ Physics with high pT particle • ‘track by track’ PID  indentified high pT ‘jet’ analysis • Detector prototype test is on going ! simulations for, - (left) fragmentation factor - (right) dN/dpT comparison with TPC by Rene Bellwied – ALICE Upgrade forum KoAlice Meeting

  4. beam test in 2011 PS/T10 area, July 2011 VHMPID prototype-test KoAlice Meeting

  5. R&D Focus in 2012 • Pressurized Radiator • ‘Pressurized’ option test with, • Vessel • Gas System + Heating • Control system • Data Taking rate test KoAlice Meeting

  6. PNU activity - Transp.Meter where, [Reference] VHMPID meeting - Sep.28, 2011

  7. Progress in 2011 C4F8O C4F10 • New Adapted PLC auto scanning system • based on PLC ‘STEP7’ program • PVSS GUI panel ; easy to use • Jihye Song ill be join at this project KoAlice Meeting

  8. Summary & Outlook • Schedule for this spring • 5/31~6/11, 1st Beam Time • is more technical • the main aim is to commission and understand the pressurized system. • 6/25~7/9, 2nd Beam Time • The real serial measurement • with shifts for data taking and analysis. • Working plan • Beam test shifts • Pressurized Gas system : Installations & setup • Transparency modification • hardware repair & upgrade • simulation code implementations KoAlice Meeting

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