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Answer for the clue "Short-lived elementary particle ", 4 letters:
muon

Alternative clues for the word muon

Word definitions for muon in dictionaries

WordNet Word definitions in WordNet
n. an elementary particle with a negative charge and a half-life of 2 microsecond; decays to electron and neutrino and antineutrino [syn: negative muon , mu-meson ]

Usage examples of muon.

But if these muons are not sitting at rest in the laboratory and instead are traveling through a piece of equipment known as a particle accelerator that boosts them to just shy of light-speed, their average life expectancy as measured by scientists in the laboratory increases dramatically.

Beyond the frame in that place he could see men and women working with photons, quarks and muons to create the supplies the shoppe used as stock.

Because at last we had a nondestructive means of scanning the exact state of muons through infinitesimal passages of time, we were able to find some astonishing correlations between memory and the barely detectable muon states of slant and yaw.

And when a proton annihilates an antiproton, it produces a pi-zero meson one-third of the time, and a charged pion, a muon, and a neutrino two-thirds of the time, after which the pions and neutrons promptly break down to electrons and positrons, photons and neutrinos.

This slowing of time applies not just to the watches worn by the muons but also to all activities they might undertake.

Nuclear particles, known as mu mesons or muons, are continually falling onto the surface of Earth.

More dramatically, the different but equally valid muon perspectives seem to lead us to the conclusion that each group will claim that it is the other group that dies first.

He could try other more energetic transmissions, bursts of positrons, muons, gamma rays, or antiprotons that might attract attention to the Bridgehead.

To read even an elementary guide to particle physics nowadays you must now find your way through lexical thickets such as this: “The charged pion and antipion decay respectively into a muon plus antineutrino and an antimuon plus neutrino with an average lifetime of 2.

It's a big barrel-shaped superconducting solenoid coil with elaborate wire chambers on the inside and layers of calorimeters and muon detectors on the outside.

An electron neutrino, the most common sort, can be changed into either a muon or a tauon neutrino.

I tried doing some reading in the area--muon decay of the ``forbidden'' kind: gamma decay that doesn't include the muon neutrino among its products--but nothing I encountered, not even the latest readings from the Swiss Institute for Nuclear Research near Zurich, gave me an insight.

I tried doing some reading in the area-muon decay of the forbidden kind: gamma decay that doesnt include the muon neutrino among its products-but nothing I encountered, not even the latest readings from the Swiss Institute for Nuclear Research near Zurich, gave me an insight.

I tried doing some reading in the area--muon decay of the forbidden kind: gamma decay that doesnt include the muon neutrino among its products--but nothing I encountered, not even the latest readings from the Swiss Institute for Nuclear Research near Zurich, gave me an insight.

The fact that the bosons were generating muons had become common knowledge and it had created a real hysteria, exceeding, if possible, the hysterias about the use of nuclear weapons.