Particle Physics SAQ

Neutrinos are subatomic particles produced in beta decay, with very little mass and no electric charge.

The beta particle is the emitted electron (-1e 0 ).

The equation is 0n 1 → 1p 1 + −1e 0 + 0ν 0, representing the conversion of a neutron into a proton, an electron, and a neutrino.

<p>Antiparticles are subatomic particles with the same mass as their corresponding particles, but opposite electric charge.</p> Signup and view all the answers

<p>The positron is the antiparticle of the electron, with the same mass and size charge, but a positive charge instead of negative.</p> Signup and view all the answers

<p>When two high-speed protons collide, new particles are produced, and the laws of conservation of electric charge, mass-energy, and momentum are conserved.</p> Signup and view all the answers

<p>Pair production is the creation of a subatomic particle and its antiparticle from a gamma photon, conserving the laws of conservation of electric charge, mass-energy, and momentum.</p> Signup and view all the answers

<p>Pair annihilation is the formation of two γ rays when a particle-antiparticle pair collide, and their mass is converted entirely into energy.</p> Signup and view all the answers

<p>Leptons are indivisible point objects that do not experience the strong force, whereas hadrons are subatomic particles that experience all the fundamental forces, including the strong nuclear force.</p> Signup and view all the answers

<p>Baryons are made up of any combination of three quarks or three antiquarks.</p> Signup and view all the answers

<p>An antiquark has the opposite charge to its corresponding quark and the same mass.</p> Signup and view all the answers

<p>The six flavours of quarks are up (u), down (d), strange (s), charmed (c), top (t), and bottom (b).</p> Signup and view all the answers

<p>Mesons are composed of any quark-antiquark pair.</p> Signup and view all the answers

<p>Quarks are the fundamental building blocks of hadrons, including baryons and mesons.</p> Signup and view all the answers

<p>Leptons are not subject to the strong force, but they do interact with the other fundamental forces, such as electromagnetism and the weak nuclear force.</p> Signup and view all the answers

<p>The formation of two γ rays, with all the mass of the particle-antiparticle pair converting into energy.</p> Signup and view all the answers

<p>Baryons are made up of three quarks or three antiquarks, while mesons are made up of a quark-antiquark pair.</p> Signup and view all the answers

<p>Quarks are the fundamental building blocks of hadrons because they are the smallest units of matter that make up hadrons, and they cannot be broken down further into smaller particles.</p> Signup and view all the answers

<p>Quarks and antiquarks have the same mass, but opposite charges.</p> Signup and view all the answers

<p>Leptons are indivisible point objects that do not experience the strong nuclear force, whereas hadrons are composed of quarks and experience the strong nuclear force.</p> Signup and view all the answers