Mr. Michael Minder reports
NEW CONFIGURATION OF ZECOTEK LFS SCINTILLATION CRYSTALS A TOP CANDIDATE FOR THE CMS EXPERIMENT AT CERN
Zecotek Photonics Inc. is now close
to having its patented LFS scintillation crystals approved for use at
the European Organization for Nuclear Research (CERN) in Switzerland.
The compact muon solenoid (CMS) experiment has requested specially
designed plates of LFS-3 crystals for testing as part of another major
CMS experiment for the new large hadron collider (LHC) at CERN. This
announcement comes after a thorough examination of competing materials
by CERN's scientists and engineers. The request is in addition to one
of Zecotek's LFS crystal designs already being considered for another
of CERN's major experiments.
"We are pleased with the performance of Zecotek's new LFS-3
configuration using plates geometry, and we are confident that it will
pass all the prerequisites needed for the new electromagnetic
calorimeter part of CERN's LHC and CMS upgrades," said Dr. Michael
Arenton, senior research scientist with the CERN LHC scintillation
material project, and senior member of the experimental high-energy
physics group at the University of Virginia. "We look forward to
receiving a positive decision to use LFS-3 in this important part of
CERN's major experiments."
"This is another important step in the evaluation of our patented LFS-3
scintillation crystals for use in experiments at CERN," said Dr. A.F.
Zerrouk, chairman, president and chief executive officer of Zecotek Photonics. "Our
LFS crystal is a prime candidate for the high-energy experiments
because of its density of material, stopping power, fast decay time,
very good energy resolution and radiation hardness. The overall
experiment benefits from reduced labour and recalibration costs
associated with single crystal forms, and less interruptions associated
with the maintenance and refitting of damaged crystals. The new and
improved crystal plate design is a significant breakthrough for this
experiment. We look forward to a timely implementation."
The CMS experiment is one of two large, general purpose particle physics
detectors built on the LHC at CERN in Europe. The three main
components of the LHC are scintillation materials, photo detectors and
the ubiquitous electronic system. As part of the new upgrade at the
LHC, Zecotek's new LFS-3 crystal configuration is a prime candidate for
one of the major components of the CMS experiment.
The goal of the CMS experiment is to investigate a wide range of
physics, including the search for the Higgs boson, extra dimensions and particles that could make up dark matter. It has been designed and
built to replace an electromagnetic calorimeter for the end-cap regions
of the detector, known as "shashlik." The shashlik consists of a stack
of tungsten plates and scintillating crystal layers. The whole
detector would require just under two million of Zecotek's newly designed
LFS-3 plates. Implementation schedule will coincide with the restart
of the LHC in 2015.
In March, 2013, CERN scientists confirmed that a new subatomic particle
discovered at the world's most powerful particle accelerator is the
Higgs boson. As CERN pushes into this new frontier of science,
additional experiments are required to determine the particle's
properties and its true form. High-energy scintillation crystals with
high-radiation hardness and solid-state photo detectors are paramount
for the success of the next stage of experiments. Zecotek is also
waiting for approvals on the installation of its patented LFS-3
scintillation crystals and solid-state MAPD photo detector for other
major CERN experiments as part of the new LHC upgrades.
About the CMS experiment at CERN
CMS is one of two general purpose experiments at CERN's large hadron
collider (LHC) that have been built to search for new physics. CMS is
designed to detect a wide range of particles and phenomena produced in
the LHC's high-energy, proton proton and heavy ion collisions. At CMS,
scientists are looking into the unknown and trying to answer the most
fundamental questions about the universe, for example: "what is the universe really made of and what forces act within it?" and
"what gives everything substance?" CMS also measures the properties of well-known particles with
unprecedented precision, and is on the lookout for completely new,
unpredicted phenomena. Such research not only increases understanding, but may eventually spark new technology that could
change the world humans live in. The CMS experiment is one of the largest
international scientific collaborations in history, involving 4,300
particle physicists, engineers, technicians, students and support staff
from 179 universities and institutes in 41 countries.
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