Micromegas detectors

E25675

Micromegas detectors are high-granularity gaseous particle detectors that provide precise tracking and fast timing for high-energy physics experiments.


Statements (54)
Predicate Object
instanceOf gaseous particle detector
micro-pattern gaseous detector
tracking detector
appliedIn dark matter experiments
neutrino experiments
rare event searches
time projection chambers
canBe bulk Micromegas
microbulk Micromegas
resistive Micromegas
detects charged particles
minimum ionizing particles
developedAt CEA Saclay
hasAdvantage good radiation hardness
high rate capability
low ion backflow
low material budget
hasAmplificationGapThickness about 100 micrometers
hasComponent amplification gap
drift region
micromesh electrode
readout anode
hasDriftGapThickness few millimeters
hasGranularity high
hasReadout analog readout electronics
digital readout electronics
hasSpatialResolution of order 50–100 micrometers
hasTimeResolution of order few nanoseconds
introducedBy Ioannis Giomataris
introducedIn 1996
operatesWith strong electric field in amplification gap
uniform electric field in drift region
operatingMode proportional gas amplification
provides fast timing
precise tracking
readoutSegmentation two-dimensional possible
readoutTechnology segmented anode pads
segmented anode strips
requires gas mixture
high-voltage power supply
resistiveTechnologyProvides spark protection
signalFormation electron avalanche in amplification gap
typicalGasMixture argon-based mixture
neon-based mixture
usedFor X-ray detection
muon detection
neutron detection with converters
precision tracking in collider experiments
usedIn ATLAS New Small Wheel upgrade
ATLAS experiment at the LHC
COMPASS experiment at CERN
T2K near detectors
high-energy physics experiments
usesMedium gas

Referenced by (4)
Subject (surface form when different) Predicate
Micromegas detectors ("resistive Micromegas")
Micromegas detectors ("bulk Micromegas")
Micromegas detectors ("microbulk Micromegas")
canBe
COMPASS
uses

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