Subparticles: Definition & Explanation

  • Context: High School 
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Discussion Overview

The discussion revolves around the definition and explanation of subparticles, specifically focusing on subatomic particles such as protons, neutrons, and their constituents, including quarks and leptons. Participants explore the classification of these particles and their interactions, touching on theoretical and conceptual aspects of particle physics.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants suggest that "subparticles" likely refers to subatomic particles, including protons, neutrons, electrons, quarks, and various virtual particles.
  • One participant categorizes subatomic particles into two main groups: leptons and quarks, describing quarks as building blocks of matter.
  • Another participant corrects a previous claim, stating that photons are not leptons, indicating a misunderstanding in particle classification.
  • Participants discuss the nature of hadrons and leptons, noting that hadrons interact via the strong force while leptons do not, and provide examples of each type.
  • There is mention of force carriers such as photons and gluons, which facilitate interactions between matter through various forces.

Areas of Agreement / Disagreement

Participants express differing views on the classification of particles, particularly regarding the status of photons and the definitions of hadrons and leptons. No consensus is reached on these points, and the discussion remains unresolved.

Contextual Notes

Some definitions and classifications are dependent on specific contexts within particle physics, and there are unresolved aspects regarding the interactions and characteristics of different particle types.

alanveron
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what is subparticles?

can anyone tell me?
 
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Probably subatomic particles. Protons, neutrons, and electrons. It could also refer to up and down quarks or any of the virtual particles exchanged in the atom such as pions (to hold the nucleas together), photons (to keep the electrons close to the nucleas), gluons (to hold the nucleons together), and weak bosons (in some radioactive decays).

Posting in one of the physics boards will probably give you a more satisfying response.
 
-- Moved to a more appropriate forum
 
there are two main groups of subatomic particles: lepitons and quarks. Quarks are the building block of matter. ex. neutrons, protons, neutrinos, etc... while lepitons are just particles that are elementary, ex. photons, electrons.
 
Photons are not leptons.
 
my mistake.
 
Neutrinos are leptons.

6 Quarks : Up, Down, Top, Bottom, Charm, Strange
6 Leptons : Electron, Muon, Tau, Neutrino-electron, Neutrino-muon, Neutrino-tau
 
alpha_wolf said:
And yet they are not composed of quarks either, are they? So they're basically some weird exception, kind of a group of its own?



Right. You have two main groups: hadrons and leptons. Hadrons are the particles which can interact via the strong force. examples of hadrons are baryons (like proton, neutron) and mesons . baryons are built out of three quarks with each one colour. Mesons consist of two quarks, a quark and anti-quark. There are six quarks as mentioned above.

Leptons can never feel the strong force. examples are the elektron and the neutrino's (coming from decay-processes) . Leptons feel the elektroweakforce and the gravitational force

Remenber that hadrons can also feel the elektroweak and gravitational force, but it is just that leptons NEVER feel the strong force
 
These hadrons and leptons build up all matter.

Fotons and gluons and so on are force carriers. The represent the interactions between matter through forces that they represent.

fotons for EM
gluons for strong force
vektorbosons for weak force (decay-processes)

greetz
nikolaas van der heyden
 

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