A-level Physics - Particle properties
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What is the charge of an up quark?
What is the baryon number of a proton?
1 (it is a baryon!)
What does annihilate mean?
All the mass of a particle and its antiparticle is converted into energy
Which class of particles feels the weak
nuclear force but not the strong nuclear force?
What is the lepton number of a quark?
What is a baryon?
- A particle composed of 3 quarks
- (think 'burly baryon')
Give the quark structure of a neutron
What class of particle does an anti-neutrino belong to ?
What is meant by the term ‘fundamental
A particle that cannot be split into smaller particles
Give the quark structure of a proton
What is a meson ?
A particle made of a quark and an antiquark
What is the strangeness of a strange quark?
What is the charge of a down quark?
What is a hadron?
A particle that feels the strong nuclear force
What is the spin of an up quark?
What is the quark structure of an antiproton ?
Anti-up, anti-up, anti-down
Name four properties that are conserved in any nuclear reaction.
- baryon number
- lepton number
What is the strangeness of an up quark?
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