Buried almost 1500 metres deep in a former South Dakota gold mine, LUX scans for signs of dark matter interacting
with liquid xenon.
Not exact matches
An international team of physicists is preparing
XENON100, a simple experiment
with a huge ambition: to record the moment when a bit of dark matter — known as a weakly interacting massive particle, or WIMP — smacks into the nucleus of an atom of
liquid xenon, triggering a flash of light and an electric charge.
Experiments
with xenon include
XENON100 and LUX, and the other proposed noble
liquid experiments include ZEPLIN and ArDM.
The way we go about this search is to wait for a particle of dark matter to come into contact
with our device, which is basically a pot of
liquid xenon [an element that is used, in gas form, in the very bright headlights of many new cars] sandwiched between two detectors.
You can't see it
with the naked eye, so to detect this light, we have 178 extremely sensitive one - pixel cameras, called photomultipliers, above and below the
liquid -
xenon - filled detector.
These rockets — powered by ionized
xenon gas — produce very low thrust compared
with their solid - or
liquid - fueled cousins, but use so little propellant that they last much longer.
LUX consists of one - third ton of
liquid xenon surrounded
with sensitive light detectors.
«The krypton mixes uniformly in the
liquid xenon and emits radiation
with a known, specific energy, but then quickly decays away to a stable, non-radioactive form,» said Dan McKinsey, a UC Berkeley physics professor and co-spokesperson for LUX who is also an affiliate
with Berkeley Lab.
A squabble then ensued over whether
XENON researchers properly calibrated their detector, which was filled with 100 kilograms of frigid liquid x
XENON researchers properly calibrated their detector, which was filled
with 100 kilograms of frigid
liquid xenonxenon.
LUX consists of a third - of - a-ton of
liquid xenon surrounded
with sensitive light detectors.
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