Exam 30: Particle Physics

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LHC stands for

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D

SLAC is an abbreviation for a

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A

Which of the fundamental interactions governs the following decay? π0γ+γ\pi ^ { 0 } \rightarrow \gamma + \gamma

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B

The neutron decays into a proton,electron,and an electron antineutrino.Into what does the antineutron decay?

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The neutrino does not

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The antineutron has a quark structure _________.

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That matter is composed of quarks was first proposed by

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The quark structure of the neutron is ______.

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A bound quark-antiquark pair is a ________ while a bound quark triplet is a ________.

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A Muon is

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When a strange hadron decays into particles that are not strange,it is a manifestation of the

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Ordinary matter is made from what generation quarks?

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Which of the following particles is considered not elementary?

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Gluons can emit

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Ordinary matter contains only the following quarks.

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Which of the following particles interact via the strong interaction?

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The meson having which of the following quark contents is electrically neutral?

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Isolated quarks were first observed in

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Arrange the strong (S),electromagnetic (EM),weak (W),and gravitational (G) forces from weakest to strongest.

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An electron and a positron,each having kinetic energy 1.843 GeV, annihilate, producing a proton and antiproton pair ( M = 938.3 MeV/c2 ). What is the kinetic energy of the antiproton produced in this way?

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