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noun Physics.
1.
any of a family of mesons consisting of a charmed quark and a charmed antiquark.
2.
an early name for the J/psi particle.
Origin:
1970–75
1970–75
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Link To psi particle
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Psi particle
is always a great word to know.
So is magic number. Does it mean:
| the atomic number or neutron number of an exceptionally stable nuclide |
| the smallest component of an element having the chemical properties of the element; the number of protons determines the identity of the element |
Collins
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Science Dictionary
psi particle  (sī, psī) Pronunciation Key
See J/psi particle. |
| psi' particle (sī'prīm', psī'-) Pronunciation Key
An electrically neutral meson having a mass 7,213 times that of the electron and a mean lifetime of approximately 1 × 10-20 seconds, composed, like the J/psi particle, of a charm-anticharm quark pair. See Table at subatomic particle. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Word Dynamo Rating For Psi particle
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