They are known
as WIMPs (for weakly interacting massive particles), and if they exist, these particles have masses tens or hundreds of times greater than that of a proton but interact so weakly with ordinary matter that they're difficult to detect.
The LUX - ZEPLIN (LZ) experiment, which will be built nearly a mile underground at the Sanford Underground Research Facility (SURF) in Lead, S.D., is considered one of the best bets yet to determine whether theorized dark matter particles known
as WIMPs (weakly interacting massive particles) actually exist.
LZ's approach posits that dark matter may be composed of Weakly Interacting Massive Particles — known
as WIMPs — which pass through ordinary matter virtually undetected.
As WIMPs pass through the tank, they should, on very rare occasions, bump into the nucleus of a xenon atom.
As WIMPs stream through the solar system, the sun's gravity bends their trajectories, focusing the streaming particles on a particular location in Earth's orbit.
So they plump for a model in which the brown dwarfs revealed by microlensing are part of the relatively small but heavy spheroid, while the even heavier extended dark halo is made up of the more exotic particles variously known
as WIMPs or cold dark matter.
There might be a reason men come across
as wimps.
Theory points to dark matter being made of so - far - unseen weakly interacting massive particles, known
as WIMPs.
Their relative obscurity, some experts say, is partly due to the fact that they are not as phenomenologically rich
as the WIMP hypothesis, offering fewer enticing signals and interesting questions for experimentalists and theorists to seek and study.
When a particle (such
as a WIMP) collides with the detector, it creates crystal lattice vibrations (phonons) and releases electrons.
The agreement became known
as the WIMP miracle.
Not exact matches
You don't want to be known
as the hothead of the office, but it's no better to be the
wimp.
The main contender for the substance is a type of hypothetical particle known
as a «weakly interacting massive particle» (
WIMP).
I cut my Negotiating for
Wimps post in half when I edited it, and
as I re-read it I think it's still a little wordy.
In effect, Carney called out the country's business leaders
as a bunch of
wimps.
Describing himself
as a «recovering prayer
wimp», Max Lucado's latest book, Before Amen, provides a simple yet effective approach to prayer.
Further, if abortion is outlawed have the guts to prosecute not just the doctor but the mother also for 1st Degree Murder and the father if he gave consent
as an Accessory to Murder — don't just
wimp out and prosecute only the doctor.
Describing himself
as a «recovering prayer
wimp», Max Lucado's latest book, Before Amen, provides a simple... More
(UPDATED) Robert Jeffress referred to Tebow
as «
wimping out» on First Baptist Church of Dallas» grand opening.
In a blog he wrote for The Huffington Post's religion section, he says: «Old age has its challenges and is not for
wimps, but God wants us to embrace it
as part of his plan for our lives, and to look for the Lord's purpose in every circumstance and in every face or voice we encounter daily.
A con would not have shown the apostles
as frighten
wimps or Jesus coming first to a women.
I didn't add too much siracha
as my girls are
wimps.
As for the added jalapeno in this stew — I'm a
wimp when it comest to heat, so I only add a little (about 1/2 a teaspoon), but if you like things a little spicer, then by all means add more jalapeno to your liking.
Even his height is no longer an advantage
as he seems to
wimp out against the likes of Andy Carrol and Peter Crouch.
On the one hand, I applaud players that go in manfully for 50/50 challenges and despise those that
wimp out however there are those, like Jack Wilshere, who habitually get caught and
as a result are injured.
Early last year at a windsurfing / kiteboarding event in Leucate, France, he took exception to a windsurfer's description of kiteboarders
as «
wimps» and attempted to ride in hurricane - force gusts.
Jack Wilshere is the only REAL MAN currently at Arsenal and it is quite consistent that Wenger should not try to keep him,
as Wenger collects
wimps, gutless half tryers and coasting long term time servers like Walcott.
Most amazing, both those defeats occurred at their respective Old Kentucky Homes, where,
as Alabama coach
Wimp Sanderson says about UK, «It's against the rules» for them to lose.
When Arsenal started building the stadium and Chelsea was bought by Roman Abramovic the haters got their pound of flesh by labelling Arsenal and its manager all sorts of names such
as weak - kneed,
wimps, bottlers etc..
In fact, it's only one more than Liverpool and they're being slammed
as the biggest home - sick
wimps in the land.
Some of the same studies suggest that athletes may be more likely to self - report if they feel safe in self - reporting, in other words, when they don't fear adverse repercussions if they report in terms of decreased playing time, losing their starting positions, or being embarrassed by the coach in front of their teammates for their lack of toughness, such
as, for example, by being labeled a «
wimp» (or worse).
Even though I'm a bit of a
wimp most of the time, other comfort measures can be
as effective
as drugs.
I was in constant, horrific pain, and my midwife treated me
as if I were being a
wimp.
As a complete pain - wimp, I had no doubt in my mind that I would opt for an epidural as soon as I got to the hospital (if not sooner
As a complete pain -
wimp, I had no doubt in my mind that I would opt for an epidural
as soon as I got to the hospital (if not sooner
as soon
as I got to the hospital (if not sooner
as I got to the hospital (if not sooner.)
Paladino also dismissed Paterson
as a «
wimp» and «pathetic», which caused the governor to give back
as good
as he got.
Schreibman, previously seen
as something of a
wimp in some quarters, came out swinging (like Joe Biden a week later) against the highly decorated retired paratrooper colonel.
Faso has allowed opponents to define him
as a lily - livered
wimp afraid to confront his constituents face to face.
Mayor Bill de Blasio said Friday he is once again willing to consider a cap on for - hire vehicles such
as Uber — three years after
wimping out on the move...
As the universe expanded, such collisions would become ever rarer and, given the strength of the weak force, just enough
WIMPs would survive to provide the right amount of dark matter today — about five times that of ordinary matter.
In fact, a particle with some properties opposite to those of physicists» current favorite dark matter candidate — the weakly interacting massive particle, or
WIMP — would do just
as good a job at explaining the stuff, a quartet of theorists says.
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.
The surprising findings come
as physicists wrestle with conflicting results from experiments designed to detect dark matter directly on Earth (see «The ongoing
WIMP war»).
Most past searches for dark matter particles have focused on a different candidate particle, known
as a weakly interacting massive particle, or
WIMP.
In any given second
as many
as 100,000 invisible
WIMPs should be piercing your thumbnail.
But,
as with the preference for
WIMPs over axions and sterile neutrinos, some physicists suspect the widespread distaste for modified gravity is at least partially due to the sociology of scientists rather than the scientific process itself.
Most of the
WIMPs would collide with and annihilate one another at relativistic speeds, producing ordinary particles
as a result.
«
WIMPs emerged
as a simple, elegant, compelling explanation for a complex phenomenon,» Kolb says.
Edward «Rocky» Kolb, a cosmologist now at the University of Chicago who in the 1970s helped lay the foundations for the generations of
WIMP hunts to come, declared the 2010s «the decade of the
WIMP» but now admits the search has not gone
as planned.
But alternative explanations have not been ruled out, and other detection techniques have yet to pan out — like waiting for a
WIMP to smack into an underground detector such
as LUX in South Dakota (pictured above) or creating one at a particle accelerator, for example.
This process would weaken
as the universe expanded and cooled, leaving a «relic» population of cold, slow
WIMPs behind.