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j (1)
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j’adoube
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J/psi particle
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J/psi particle
J/psi particle
(
plural
J/psi particles
)
noun
Definition:
subatomic particle:
an unstable elementary particle of the meson group. It has a large mass, about 6,000 times that of an electron, and is thought to be formed from charmed quarks.
Encarta® World English Dictionary [World English Edition] © & (P)2008 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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