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Unit 4: Wave Models and Quantum Physics
Quick questions on Particle accelerators and the Big Bang: WACE Year 12 Physics Unit 4
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are creating new particles?Show answer
When high-energy particles collide, their kinetic energy can convert into the mass of brand-new particles via . The higher the collision energy, the more massive the particles that can be created. This is how short-lived and massive particles, such as the W and Z bosons and the Higgs boson, are produced and detected, providing the experimental confirmation of the Standard Model.
What is detecting what is made?Show answer
Detectors surrounding the collision point track the new particles by the curved paths they follow in a magnetic field (which reveals charge and momentum) and by the energy they deposit. Reconstructing these tracks lets physicists identify the particles produced and measure their properties, testing the predictions of particle theory.
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