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单词 top quark
释义

top quark


noun Physics.

a heavy quark having electric charge 2/3 times the elementary charge.
Also called t quark, truth quark.

Origin of top quark

First recorded in 1975–80

Words nearby top quark

topper, toppie, topping, topping lift, topple, top quark, toprail, top round, tops, topsail, topsail schooner
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for top quark

top quark
[ tŏp ]

A quark with a charge of +2/3. Its mass is larger than that of all the other quarks and is about 360,000 times that of the electron. See Table at subatomic particle.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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更新时间:2024/12/23 17:42:03