SLAC PEP-II
BABAR
SLAC<->RAL
Babar logo
HEPIC E,S & H Databases PDG HEP preprints
Organization Detector Computing Physics Documentation
Personnel Glossary Sitemap Search Hypernews
Unwrap page!
Search
Who's who?
Meetings
FAQ
Images
Archive
Operations
Sub-systems
Drift chamber
DCH Simulation
  Help needed
News
  Discussions
  Meetings
  Releases
bbsim code
  DchSimGeom
  DchSimGeom guide
Digitization code
  DchSim
De/dx code
  dE/dx in the simulation
Dch Database
  Conditions db
Geant4 framework codes
  BgsDchSim
  DchBgsModules
Check this page for HTML 4.01 Transitional compliance with the
W3C Validator
(More checks...)

Materials


The materials used to define the medium are inserted in the following table:

Materials
Name A Z density Radiation length (cm) Absorption length
Air 14.61 7.3 1.205E-3 30423 1.E+5
Carbon-Fiber 13.208 6.6 1.590 24.9 63.6
Silicium 28.090 14.0 2.33 9.36 30.3
Tungsten 183.85 74.0 19.3 0.35 10.3
Aluminium 26.98 13.0 2.70 8.90 39.4
Beryllium 9.01 4.0 1.848 35.3 40.7
Nomex ~14.61 ~7.3 2.5E-2 ~1355 ~0.1e+06
He-Ibu 1, 4, 12 1, 2, 6 0.84E-3 Elements = 3 weights = 0.22, 0.55, 0.22

Go Back