standard model Flashcards

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1
Q

how many quarks are there in the standard model

A

6

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2
Q

name the three quarks with 2/3 charge

A

up, charm, top

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3
Q

name the three quarks with -1/3 charge

A

down, strange, bottom

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4
Q

what is the spin of a quark

A

1/2

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5
Q

how many leptons are there in the standard model

A

6

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6
Q

name the leptons with -1 charge

A

electron, muon,tau

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7
Q

name the leptons with 0 charge

A

electron neutrinon, muon neutrino, tau neutrino

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8
Q

what spin do leptons have

A

1/2

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9
Q

what type of particle are quarks and leptons

A

fermions

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10
Q

how many exchange bosons are there

A

4

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11
Q

name the exchange bosons

A

gluon (g) , photon(gamma) , Z-Boson (Z), W-boson (+-W)

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12
Q

what spin do exchange bosons have

A

1

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13
Q

what is the charge of the exchange bosons

A

all 0 other then W which is + or - 1

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14
Q

name the massless exchange bosons

A

gluon, and photons

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15
Q

name the exchange bosons that have a mass

A

z-boson and W- Boson (very massive mass)

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16
Q

Higgs boson

A

H^0

17
Q

spin of Higgs boson

A

0

18
Q

charge of Higgs boson

A

0

19
Q

what is the mass of the Higgs boson

A

non massless (it has a non zero mass)

20
Q

order of quarks in increasing mass

A

up, down, strange, charm, bottom, top

21
Q

what is mass measured in

A

Mev/C^2

22
Q

what is different about an anti particle

A

it has opposite charge to the particle