Liquefied Noble Gas Detectors for Low Energy Particle Physics Main source of the talk
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Liquefied Noble Gas Detectors for
Low Energy Particle Physics
Main source of the talk
Outline
Title
DM versus CNS
Expected integral rates
WIMP Search Technology Zoo
WIMP
search - Zoo
Title
Title
LNG detectors: a bit of history
DM double phase detectors: important steps
First LNG dark matter detectors
Operation principle of a double-phase electroluminescence detector
Title
Scintillation –
a closer look
Scintillation – a closer look
Scintillation – a closer look
Scintillation – a closer look
Scintillation – a closer look
PSD in LXe
PSD in LXe (XMASS)
PSD in LAr
Light yield
–
depends on particle and energy
Light yield
– different behaviour at low energies
Scintillation yield for electrons and -rays
Field dependence of light yield
Title
Scintillation efficiency for nuclear recoils in LXe
Title
Scintillation efficiency in LAr and LNe
Ws
value for LAr and LXe
Title
Title
Energy partition
Ionization yield from nuclear recoils
Charge/light vs electric field
Field dependence of free charge yield
N
electrons
due to nuclear recoils
More electrons escape at low E
Nuclear recoil tracks in LXe
Nuclear recoil “track” details
Nuclear recoil “track” details
Simulated electron tracks
30 keV electrons – more examples
Title
Simulated 0.5
MeV electron tracks
Simulated 0.5 MeV electron tracks
Ionization and drift parameters
Title
Electron emission to gas
Secondary scintillation in gas
Single
electron spectrum
Title
Single electron noise - origins
Single electron noise (cont.)
Title
Subexcitation electrons in LXe
Title
Title
Title
Title
Sub-keV electrons in LAr
Sub-keV electrons in LAr
Summary (before going to experiments)
Summary (before going to experiments)
Title
LXe DM ZEPLIN-III
LXe DM XENON100
LXe DM LUX350
LXe DM XMASS
LAr DM WARP140
Discrimination in LAr
Electron recoil discrimination
LAr DM ArDM 1t
LAr DM DEAP-3600
LAr/LNe CNS CLEAR (proposal)
LAr CNS LLNL proposal
LXe CNS ZEPLIN-III
LXe/LAr
CNS RED Collaboration
Other not mentioned projects
Conclusion
Title
Title
Title
Title
Discrimination in LAr
PS Discrimination in LAr Lippincott08
PS Discrimination in LAr Lippincott08
PS Discrimination in LAr Lippincott08
Simulated 0.5 MeV electron tracks
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