standard model Flashcards

1
Q

What is the standard model?

A

a model of fundamental particles and interactions

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2
Q

What is the standard model?

A

a model of fundamental particles and interactions

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3
Q

Where does the evidence for the existence of quarks come from?

A

high-energy collins between electrons and nucleons carried out in particle accelerators

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4
Q

What does every particle have?

A

an anti particle

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5
Q

What is the production of energy in annihilation evidence for?

A

the existence of anit matter

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6
Q

What happens when a particle and anti particle coe meet?

A

they annihilate and produce energy

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7
Q

What is the charge on an up quark?

A

+2/3

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8
Q

What is the charge of in an anti quark?

A

-2/3

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9
Q

What are fermions?

A

quarks and leptons

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10
Q

What are the six different quarks?

A

up, down, charm, strange, top, bottom

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11
Q

What are leptons?

A

electrons, muons, tau, and their associated neutrinos

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12
Q

What are hadrons?

A

an particle made up of quarks

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13
Q

What are baryons?

A

any particle made up of 3 quarks

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14
Q

What are mesons?

A

any particle made up of a quark and anti quark

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15
Q

What are bosons?

A

force meditating particles, photons (electromagnetic force), W- and Z-bosons (weak force), gluons (strong force)

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