Which track shows ...Click the correct answer
Collision of beam particle with a proton.fghi
Decay of a neutral particle.fghi
Which track shows ...Click the correct answer
A proton track.fghi
Collision of beam particle with an electron.fghi

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No. That is NOT the right answer

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No. That is NOT the right answer

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No. That is NOT the right answer

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No. That is NOT the right answer

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No. That is NOT the right answer

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No. That is NOT the right answer

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No. That is NOT the right answer

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No. That is NOT the right answer

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YES. Well done! That is the right answer

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YES. Well done! That is the right answer

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YES. Well done! That is the right answer

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YES. Well done! That is the right answer

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MORE DETAILED INFORMATION

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  1. Interaction between a beam (K-) and a proton that produces two positive and two negative particles (ignore the overlapping beam particle that goes straight past the interaction). One of the positive tracks (labelled i) is clearly identified as a proton from the darkness of the track.

  2. Decay of a neutral particle into one positive and one negative particle. The neutral particle was produced at the interaction labelled f.

  3. Electron recoiling from collision with a charged particle. The electron moves out of the plane of the photo which produces the unusual view of the helical trajectory.

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