Locating particles /their properties

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SUMMARY

This discussion focuses on the methods used to locate particles and determine their properties, specifically mass, charge, and spin, during collision experiments. Mass is derived from plotting the invariant mass of decay products or calculating the missing mass of other particles involved in the reaction. Charge is assessed by analyzing the direction of particle track bending in a magnetic field, with positive and negative particles bending in opposite directions. Spin is determined through the angular distribution of decay products, with additional resources available at the Particle Data Group website.

PREREQUISITES
  • Understanding of collision experiments in particle physics
  • Familiarity with invariant mass calculations
  • Knowledge of magnetic field effects on charged particles
  • Basic concepts of particle decay and angular distributions
NEXT STEPS
  • Research invariant mass calculations in particle decay
  • Learn about the effects of magnetic fields on particle trajectories
  • Explore angular distribution analysis in particle decay
  • Visit the Particle Data Group website for comprehensive particle listings
USEFUL FOR

Physicists, researchers in particle physics, and students studying experimental methods for locating and characterizing subatomic particles.

nitin_zilch
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how we look in for particles,decide their properties like mass ,charge,spin etc in experiments(collision experiments)?
 
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Mass: it can be obtained by plotting invariant mass of its decay products (if it decays), or from missing mass of other particles created in the same reaction.

Charge: it can be obtained from the tracking. Look for the direction of bending of the particle track under magnetic field. +ve and -ve particle has opposite direction.

Spin: it can be obtained from angular distribution of its decay products.
 
Ths website
<http://pdg.lbl.gov/2010/listings/contents_listings.html>
could help you if it is not overkill.
 
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