# particle physics notes

Courses We don't offer credit or certification for using OCW. While, there are several efforts being made in theoretical particle physics, in an attempt to develop the models, theoretical framework, and mathematical tools to understand current experiments and make predictions for future experiments. Particle physics is used to produce medical isotopes which are used in the PET imaging and external beam radiotherapy. e.g. Relativistic Kinematics . Lecture Notes Related Resources Download Course Materials; Selected lecture notes are available below. Send to friends and colleagues. However, recently a particle named as God’s particle is found that is consistent with the Higgs Boson particle and has stepped forward in the completion of the standard model of particle physics. As currently formulated the Standard Model has 61 elementary particles. And the typical masses involved are 10−27kg. Particle physics: Particle interactions (concept of different types of forces), basic features, Cosmic Rays, types of particles and its families, Conservation Laws (energy and momentum, angular momentum, parity, baryon number, Lepton number, Isospin, Strangeness) concept of quark model, color quantum number and gluons. Touchscreen technologies and the World Wide Web were developed at CERN institute for particle physics. Home Fundamental Building Blocks and their Interactions (, Symmetries and Quarks; Discoveries of the J, Upsilon (, Gluons, Particle-antiparticle, Gluons inside Nucleons (, Dirac Formalism, Chirality, Helicity, Why Higgs? Learn more », © 2001–2018 There's no signup, and no start or end dates. Your email address will not be published. Basic concepts Particle Physics Units and dimensions The energy is measured in electron-volts: 1 eV ≈ 1.602 10-19 J 1 keV = 10 3 eV; 1 MeV = 10 6 eV; 1 GeV = 10 9 eV The Planck constant (reduced) is then: ≡ h / 2π = 6.582 10-22 Mev s and the “conversion constant” is: c = 197.327 10-15 MeV m For simplicity, the natural units are used: More will be added at a later date. The development of the Standard Model was driven by a theoretical and experimental particle. An atom has a net zero charge. 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It has a relative charge of +2. Modify, remix, and reuse (just remember to cite OCW as the source. But, it can be identified during the energetic collision of other particles. With more than 2,400 courses available, OCW is delivering on the promise of open sharing of knowledge. It is a branch of physics that studies the basic elements of matter and radiation and the interaction between them. » Beta particles A beta particle is an electron or a … The word particle can refer to various types of very small objects, but this branch usually investigates the irreducibly smallest detectable particles. Back in 2012, the standard model predicts the existence of Higgs Boson, which was known as the last piece. Particle Physics II N is the number of atoms remaining at time t, A=atomic mass=mass number=sum of protons and neutrons, Z=atomic number=number of protons=number of neutrons. ... but what I expect you to learn will be covered in class or in the lecture notes I provide. . This model was developed in the latter half of the 20th century, as a collaborative effort of scientists around the world. Use OCW to guide your own life-long learning, or to teach others. … Some other fields that use particle physics are workforce development, medicine, industries, science, and national security etc. As is true for any branch of physics, particle physics is based on experiments. Helps to achieve the concept of a superconductor. Z = the 'atomic' number or 'proton number' = p. X = symbol for a particular element. These atomic constituents, like particles of protons, electrons and neutrons, are produced by radioactive and scattering processes.

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