Speaker
Prof.
Marko Mikuz
(University Ljubljana/J. Stefan Institute)
Description
Progress in experimental particle physics in the coming decade depends
crucially upon the ability to carry out experiments at high energies and
high luminosities. These two conditions imply that future experiments
will take place in very high radiation areas. In order to perform these
complex and perhaps expensive experiments new radiation hard
technologies will have to be developed. Chemical Vapor Deposition (CVD)
diamond is being developed as a radiation tolerant material for use very
close to the interaction region where detectors may have to operate in
extreme radiation conditions. During the past few years many CVD
diamond devices have been manufactured and tested. As a detector for
high radiation environments CVD diamond benefits substantially from its
radiation hardness, very low leakage current, low dielectric constant,
fast signal collection and ability to operate at room temperature. As a
result CVD diamond now has been used extensively in beam conditions
monitors as the innermost detectors in the highest radiation areas of
e+e- colliders (BaBar and Belle experiments) and hadron colliders (CDF
and every experiment at the recently commissioned CERN Large Hadron
Collider). In addition, CVD diamond is now being considered as a sensor
material for the particle tracking detectors closest to the interaction
region where the most extreme radiation conditions exist. We will
present the present state-of-the-art of polycrystalline CVD diamond and
the latest results obtained from detectors constructed with this
material. Recently single crystal CVD diamond material has been
developed which resolves many of the issues associated with
polycrystalline material. We will also present recent results obtained
from devices constructed from this new diamond material. Finally, we
will discuss the use of diamond detectors in present and future
experiments and their survivability in the highest radiation environments.
Author
Prof.
Marko Mikuz
(University Ljubljana/J. Stefan Institute)
Co-authors
Prof.
Harris Kagan
(Ohio State)
Prof.
William Trischuk
(U. Toronto)
