strange quark

n. Abbr. s

The flavor of quark that has a charge of - ¹/₃ , a mass about 190 times that of an electron, a strangeness of -1, and that belongs to the second generation of elementary fermions.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

strange′ quark′

the quark having an electric charge −? times the electron's charge, strangeness quantum number of −1, and more mass than the up and down quarks.

[1970–75]

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Noun

strange quark - a quark with an electric charge of -1/3 and a mass 988 times that of an electron and a strangeness of -1

squark

quark - (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3; "quarks have not been observed directly but theoretical predictions based on their existence have been confirmed experimentally"

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References in periodicals archive

In (8), the [bar.p]/p ratio is absent because of the complete strange quark content of Omega mesons.

Energy Dependence of Particle Ratios in High Energy Nucleus-Nucleus Collisions: A USTFM Approach

But under such incredible densities, these nuclei might transform further (right): The protons and neutrons could dissolve into a quark soup; the quarks could change and regroup to form particles called hyperons, which contain at least one strange quark; the nuclei could unite in a single quantum state, called a Bose-Einstein condensate; or something else that we haven't imagined could be created.

The inside story of neutron stars: astronomers are using X-rays, gravity & clever calculations to discover what lies Within these extraordinary objects

But the new particle's two quark components--a strange quark and the antimatter partner of a charm quark--are heavier than those in most other particles, making the particle an ideal target for studying the nuclear strong force that binds the two quarks.

A charming subatomic particle

One such bizarre object is termed a strange quark star.

Strange beasts in the stellar zoo

Search for Stable Strange Quark Matter in Lunar Soil.

On the quantum mechanical state of the [[DELTA].sup.++] baryon

The plenary presentations review new results from the CLEO III and CLEO-c experiments, developments in pentaquark theory, open problems in heavy quarkonium physics, and the strange quark sector of chiral perturbation theory.

Quark confinement and the hadron spectrum; proceedings

In combination with measurements of the weak-coupling constant in muon decay, [g.sub.v] provides a value for the [V.sub.ud] which can be compared with high energy experiments in the strange quark sector to provide important information regarding the completeness of the three-family picture of the standard model through a test of the unitarity of the CKM matrix [1].

Measurement of neutron decay parameters--the abBA experiment

At low energy, the chemical potentials of up and down quarks are consistent but differ from that of strange quark. At high energy, the three chemical potentials seem to deviate from each other, and they finally approach zero at very high energy.

Chemical Potentials of Light Flavor Quarks from Yield Ratios of Negative to Positive Particles in Au+Au Collisions at RHIC

The newly discovered Xi-sub-b ([[XI].sup.o.sub.b]) contains a strange quark, an up quark and a bottom quark.

Collider finds heavy particle: theory predicted existence of neutral Xi-sub-b baryon

The interaction involving strange quark is Cabibbo suppressed due to which the neutrino emission from strange quark matter can be neglected.

Astrophysical Aspects of Neutrino Dynamics in Ultradegenerate Quark Gluon Plasma