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Question

Match each item with the correct statement below.
a. time dilation i. strange particles
b. elementary particle j. quarks
c. antiparticle k. charm
d. spin l. electroweak interaction
e. fermions m. GUTs
f. bosons n. intermediate bosons
g. baryons o. mesons
h. leptons
1/ intrinsic angular momentum carried by subatomic particles quantized in units of h/2p
2/ fractionally charged particles; building blocks of all hadrons
3/ subatomic particles not subject to the Pauli Exclusion Principle
4/ prediction of special relativity that moving clocks run slow
5/ quantum "charge" first explicitly manifested in the D0meson
6/ models for combining the electromagnetic, weak and strong nuclear interactions into a single basic force
7/ may annihilate upon collision with a particle to produce gamma rays
8/ subatomic particles belonging to one of three families that do not participate in the strong interaction
9/ subatomic particles which possess a quantum "charge" that is conserved in strong and electromagnetic interactions, but not in weak interactions
10/ theory for which S. Weinberg and A. Salam shared the 1979 Nobel prize in physics
11/ strongly interacting spin 0 or 1 particles
12/ carrier particles for the fundamental forces
13/ strongly interacting spin 1/2 or 3/2 particles
14/ spin 1/2 particles that do not interact via the strong force
15/ these particles possess half-integral spins

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