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'Top quark' discovery ends 17-year search. (Originated from Knight-Ridder Newspapers)
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Physicists at the world's most powerful atom smasher have found direct evidence of a subatomic particle that they believe is the final building block of the material world.
It is the last of 12 subatomic particles that they think everything is made of, and they call it ``the top quark.''
Following a 17-year-long search involving hundreds of millions of dollars, a team of 440 scientists at the Fermi National Accelerator Laboratory in Illinois said Tuesday that, after analyzing the debris of almost a trillion collisions between subatomic particles, it had found strong ...
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Fermilab Ready To Confirm Find Of `Top Quark'
Newspaper article from: Chicago Sun-Times
; ...searching for the top quark, Fermilab physicists accelerate subatomic particles around a four-mile...including an occasional top quark, are detected out...Compared with other subatomic particles, the top quark has a huge mass...
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Top Quark in View // Fermilab Finds Evidence of Subatomic Particle
Newspaper article from: Chicago Sun-Times
; ...cooled. To find the top quark, Fermilab had to...physicists accelerated subatomic particles around a four...including an occasional top quark - are created out...Compared with other subatomic particles, the top quark has a huge mass...
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`Top quark' is top target // Fermilab closing in on elusive atomic particle
Newspaper article from: Chicago Sun-Times
; ...But for a decade, the top quark has eluded attempts...scientist to bag the top quark could be in line for...be closing in on the top quark. Fermilab is a 4-mile underground ring where subatomic particles called protons are accelerated...
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Extra data bolster top quark discovery.
Magazine article from: Science News
; ...a statement about the top quark's existence, but now...The newly discovered top quark completes the family...because decays of other subatomic particles can mimic those postulated for the top quark, researchers must take...
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For physicists, last piece of a puzzle Teams cite top quark, key to matter theory
Newspaper article from: The Boston Globe
; ...physicists -- that the top quark, the sixth and last of a group of subatomic particles, has been discovered...awaited confirmation of the top quark's existence surprised...ago that evidence of the top quark's existence was appearing...
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In naming new subatomic particles, whimsy rules
Newspaper article from: Chicago Sun-Times
; When scientists discover new subatomic particles, they like to give them whimsical names...quark, strange quark, bottom quark and top quark. (Physicists sometimes call the top...t supposed to be taken literally. A top quark doesn't sit on top of a bottom quark...
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At last, evidence of the top quark.
Magazine article from: Science News
; ...the quark family of subatomic particles. With the 1977 discovery...search was on for the top quark. Now, researchers...Because various subatomic particles can decay in ways that mimic those of the top quark, researchers have...
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Inside the quark. (newly found top quark may be comprised of even more fundamental particles)
Magazine article from: Popular Mechanics
; ...physicists agreed the top quark was "a pointlike...discovery of the top quark, was supposed...a riot of new subatomic particles. Improved machines...the idea that subatomic particles were made of...save one, the top quark. Like the word...
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Fermilab kicks into high speed in new search for top quark
Newspaper article from: Chicago Sun-Times
; ...powerful enough to find the top quark, which has eluded scientists...it last stalked the top quark in 1989. Physicists...universe is built out of 12 subatomic particles: six varieties of quarks...particles except the top quark. Only two types of...
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 "Albany Times Union (Albany, NY)")
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TOP QUARK DISCOVERY A PHYSICS MILESTONE IT IS THE KEY TO UNDERSTANDING TIME, MATTER AND THE UNIVERSE THE FIND ISN'T LIKELY TO MAKE A DIFFERENCE TO EVERYDAY LIFE.(MAIN)
Newspaper article from: Albany Times Union (Albany, NY)
; ...We've needed the top quark,'' he said...t there.'' If the top quark could not be found...composed of smaller, subatomic particles like protons and neutrons...world have sought the top quark by performing ever...
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