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SUMMARY:Next Generation TRD for CREAM Using Gas  Straw Tubes and Foam Radi
 ators
DTSTART;VALUE=DATE-TIME:20070704T194500Z
DTEND;VALUE=DATE-TIME:20070704T194500Z
DTSTAMP;VALUE=DATE-TIME:20260517T205027Z
UID:indico-contribution-346@cern.ch
DESCRIPTION:Speakers: Dr. MALININ\, Alexander (Inst. for Phys. Sci. and Te
 ch.\, University of Maryland\, College Park\, MD 20742 USA)\nThe Cosmic Ra
 y Energetics And Mass (CREAM) experiment is designed to investigate the\ns
 ource\, propagation and acceleration mechanism of high energy cosmic-ray n
 uclei\, by\ndirectly measuring their energy and charge.  Incorporating a t
 ransition radiation\ndetector (TRD) provides an energy measurement complem
 entary to the calorimeter\, as\nwell as additional track reconstruction ca
 pability.  The next generation CREAM TRD is\ndesigned with 4 mm straw tube
 s to greatly improve tracking over the previous 20 mm\ntube design\, there
 by enhancing charge identification in the silicon charge detector\n(SCD). 
  Plastic foam provides a weight-efficient radiator that doubles as a\nmech
 anical support for the straw layers.  This design provides a compact\, rob
 ust\,\nreliable\, low density detector to measure incident nucleus energy 
 for 3 < Z < 30\nnuclei in the Lorentz gamma factor range of 10^2-10^5.  Th
 is paper discusses the new\nTRD design and the low power front end electro
 nics used to achieve the large dynamic\nrange required.  Beam test results
  of a prototype TRD are also reported.\n\nhttps://indico.nucleares.unam.mx
 /event/4/session/8/contribution/346
LOCATION:Merida\, Mexico Regency (Hyatt)
URL:https://indico.nucleares.unam.mx/event/4/session/8/contribution/346
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