A-LevelPhysicsParticle physics9702/12 · Oct/Nov 2016 · Q401 Mark

Which diagram represents the structure of an antineutron?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

A[Diagram option A: Quark composition (ū, u, d̅)]

B[Diagram option B: Quark composition (ū, d̅, d̅)]

C[Diagram option C: Quark composition (u, d, d)]

D[Diagram option D: Quark composition (u, d̅, d̅)]

✓ Correct answer

A: [Diagram option A: Quark composition (ū, u, d̅)]

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Topic: Particle physics, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2016 Paper 1 Variant 2, question 40.

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