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Glite Dictionary
tau-minus particle

tau-minus particle

9.9
A heavy, short-lived tiny part of matter like an electron but much heavier
  • noun
  • /taʊˈmaɪnəs ˈpɑrtɪkl/
  • Specialized
translation icon : partícula tau menos
  • The tau-minus particle is much heavier than the electron or the muon.

Examples

  • A tau-minus particle rapidly decays into lighter particles due to its large mass.

  • Physicists discovered the tau-minus particle in 1975 during high-energy collision experiments.

  • The tau-minus particle is heavier than an electron.

  • What is a tau-minus particle?

  • In particle physics, the tau-minus particle plays a crucial role due to its heavy mass compared to other leptons.

  • During experiments at the particle collider, researchers observed the characteristics of the tau-minus particle as it interacted with other particles.

  • The discovery of the tau-minus particle provided insights into the behavior of fundamental particles in the universe.

Synonyms

tauon
vstau-minus particle
  • Specialized
9.9

A very small particle like an electron but much heavier and lasting a short time

means the same particle but uses an alternative technical name

Surface Forms

tau-minus particle singular
tau-minus particles plural

Morphology

tau-minus + particle

The lexical item 'tau-minus' is a specialized, domain-specific label not transparently built from common English words, and knowing 'particle' only gives the generic idea of a tiny physical thing. A B1 learner who knows the constituents would not be able to infer that this denotes a specific heavy lepton or its properties without background physics knowledge, so the expression is not compositional for typical learners.

Etymology

Tau-minus particle is named after the Greek letter tau and the word minus. Scientists used tau for a new, much 'heavier' relative of the electron and added minus to show it has a 'negative' electric charge, so the name helps you remember it is a heavy, negatively charged particle.