Worksheet: The Higgs Boson

In this worksheet, we will practice recalling the basic properties of the Higgs Boson and what decay modes the Higgs Boson has.

Q1:

What is the relative electric charge of the Higgs boson?

Q2:

What particle property is the Higgs mechanism thought to give to other particles?

  • AColor charge
  • BElectric charge
  • CSpin
  • DMass
  • EParity

Q3:

Which of the following is the correct symbol for the Higgs boson?

  • A
  • B
  • C𝐻
  • D𝐻
  • E𝐻

Q4:

Order the following particles according to their mass from least to greatest:

  • Up quark
  • Charm quark
  • Top quark
  • Higgs boson
  • Electron
  • AElectron, Higgs boson, top quark, up quark, charm quark
  • BElectron, up quark, charm quark, Higgs boson, top quark
  • CTop quark, up quark, charm quark, Higgs boson, electron
  • DHiggs boson, up quark, charm quark, top quark, electron
  • ECharm quark, electron, up quark, Higgs boson, top quark

Q5:

How many particles in the standard model of particle physics have a mass greater than that of the Higgs boson?

Q6:

Order the following particles according to their mass from greatest to least:

  • Down quark
  • Strange quark
  • Muon
  • Higgs boson
  • Top quark
  • AHiggs boson, top quark, muon, down quark,strange quark
  • BDown quark, muon, Higgs boson, strange quark, top quark
  • CTop quark, Higgs boson, muon, strange quark, down quark
  • DHiggs boson, down quark, strange quark, muon, top quark
  • EStrange quark, down quark, Higgs boson, top quark, muon

Q7:

Which of the following particle groups is the Higgs boson part of?

  • ABosons
  • BHadrons
  • CFermions
  • DLeptons
  • EBaryons

Q8:

Each of the following Feynman diagrams shows how the Higgs Boson can decay, apart from one. Which diagram shows a decay of the Higgs boson that is not possible?

  • A
  • B
  • C
  • D
  • E

Q9:

The Higgs boson has a mass of 125/𝑐GeV. The electron has a mass of 511/𝑐keV. How many times greater is the mass of the Higgs boson than that of the electron? Give your answer to 3 significant figures.

  • A245,000
  • B63,900
  • C0.245
  • D636
  • E318

Q10:

The diagram shows the decay of the Higgs boson. Which of the following correctly explains why this decay is not possible?

  • AThe Higgs boson cannot interact with quarks.
  • BThe top quark has a greater mass than the Higgs boson; therefore, the rest mass energy of the Higgs boson is not large enough to produce a top quark–antiquark pair.
  • CThe interaction does not conserve electric charge.
  • DThe interaction does not conserve baryon number.

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