AQA 7408-1 PHYSICS-A LEVEL
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AQA 7408-1 PHYSICS-A LEVEL 1
Latest content AQA 7408-1 PHYSICS-A LEVEL
0 1 The neutral lambda particle Λ0 is a baryon with a strangeness of −1 
One possible decay for a Λ0 is 
 0 0 Λ→π +n 
0 1 . 1 Deduce the quark structure of a Λ0 
. 
[1 mark] 
0 1 . 2 State and explain which interaction is involved in this decay. 
[2 marks] 
0 1 . 3 An antiparticle of the neutral lambda particle decays into a neutral pion and particle X. 
Identify X 
0 1 box . 4 The rest energy of a Λ0 is equal to the energy of a photon with a frequency 
of 2.69 × 1023 Hz. 
Determine,...
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AQA 7408-1 PHYSICS-A LEVEL•AQA 7408-1 PHYSICS-A LEVEL