What are the particle collisions you need to learn off by heart for the AQA PHYA1 module?

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I am doing the AQA Physics Unit 1, and I was wondering if anyone can tell me the particle interactions that are needed to be learnt off by heart, with links to feynman diagrams showing them if possible.

Posted Fri 11th May, 2012 @ 09:30 by Matt Wilson

2 Answers

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You need to know all of them.

The ones to do with weak nuclear force. Like Neutron-neutrion interaction and Proton-antineutrion interaction. Beta + and Beta- decay are important and also it is useful to know electron capture. 

They are quite simple to learn. Just remember the direction of the W+ or W- boson and which particles are involved in the interactions. 

Answered Wed 16th May, 2012 @ 14:12 by Mary
  • -1 votes

you need to know the collision theory which is basically that ............

most matter can be classed as being solids, liquids and gases.

solids- have the least amount of energy and are arranged in a pattern,they vibrate around fixed positions.

liquids- the particles in a liquids are closely packed together but can move about freely over one another

gases- gasses have the most amount of energy and move around at high speeds and can collide with one another.

but i've not heard of feynman diagrams, sorry

Answered Tue 15th May, 2012 @ 21:35 by Henny