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Sub Atomic Particles- Overview and Types

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Sub Atomic particles
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Sub Atomic Particles- Overview and Types

  1. 1. Topic: Sub Atomic Particles: Overview, Types & Significance Submitted By: Name: D.Sairam ( 1st Sem IBT) Teacher: Dr. Vineet Sharma Course Code: BSBT-102 ( Chemistry for Biologists) Assignment Code: U2P1 Source: www.britannia.com/images
  2. 2. Overview • Introduction • Types of Sub-Atomic Particles • Quarks • Leptons • Bosons • Significance
  3. 3. Introduction • Subatomic particles are particles that are smaller than atoms. They are present within an atom and cannot be seen by our naked eyes. • They have their own distinct characters and are mainly of two types of Elementary Particles and Composite Particles. • Protons and neutrons are Composite Particles while Electron is an Elementary Particle.
  4. 4. Source: Google Images/sub_atomic particles
  5. 5.  Elementary Particles  Colour Confinement Hadrons Types QUARKS Source: Google Images/Quarks
  6. 6. Quarks can be observed in Hadrons such as Baryons i.e. in particles such as Protons and Neutrons. Murray Gell-Mann (Right) and George Zweig Source: a) Google Images b) www.sciencedaily.com/Quarks
  7. 7.  Elementary Types Electron Generations Not subjected to strong Interactions like Quarks Leptons Sources: www.google.com/images
  8. 8. This is Positronium ,a system that combines Electron with it’s anti particle Positron. It ( system) is highly unstable as the duo react to give two 2 Gamma particles. It's lifespan is around 125 picoseconds. Source: www.wikipedia.org/positro nium
  9. 9.  Either Elementary or Composite Types of Elementary Bosons a) Scalar or Zero Spin – Higgs Boson b) Gauge or Force- Gluon, Photon and W and Z Boson.  Composite: Meson  Graviton ( Hypothetical so far) Bosons Source: www.google.com/images
  10. 10. Source: www.google.com/images
  11. 11. Significance of Sub Atomic Particles • They are produced in cosmic rays and during scattering processes in particle accelerators. • Electron, arguably the most important Sub-Atomic Particle helps in studying and identifying Chemical Properties of Elements. • Proton Therapy is a type of treatment that can be used to treat Cancers. • Elimination or Turning off the Higgs Field can result in rapid Communications and Transmission of Signals. • Positron is used in PET scan that treat many ailments and maladies. • Most of the Gauge Bosons are used in Super fluidity.
  12. 12. References  http://profmattstrassler.com/articles-and-posts/particle-physics-basics/the-known- apparently-elementary-particles/tau-leptons/  http://www.sciencedirect.com/science/article/pii/0375947481903043  http://www.scienceclarified.com/sp-th/subatomic-particles.html  http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa/atomic_structu re/atomic_structurerev2.shtml  http://chemwiki.ucdavis.edu/Physical_Chemistry/Atomic_Theory/The_Ato m/Sub-Atomic_Particles  http://en.wikipedia.org/wiki/Subatomic_particle  http://search.yahoo.com/yhs/search?hspart=ddc&hsimp=yhs-ddc_ bd&p=composite%20bosons&type=999_sca0__alt__ddc_dss_bd_com  http://www.britannica.com/gallery/browse  http://www.azonano.com/news.aspx?newsid=12677

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