PPT-Neutrinos – Ghost Particles of the Universe

Neutrinos Ghost Particles of the Universe Georg G Raffelt MaxPlanckInstitut f ür Physik München Germany Neutron Proton Gravitation Gravitons Weak Interaction W and Z Bosons. Not in compact objects (brown dwarfs, etc.). Baryons should also contribute to . nucleosynthesis. But we got it to work out assuming it’s . not. baryons. Most likely: it will be some sort of undiscovered particle: . Susan Cartwright. University of Sheffield. Neutrinos and the Universe. Discovering neutrinos. Detecting neutrinos. Neutrinos and the Sun. Neutrinos and Supernovae. Neutrinos and Dark Matter. Neutrinos and the Universe. Introduction: What is particle astrophysics?. 1. What is particle astrophysics?. Particle astrophysics is the use of particle physics techniques (experimental or theoretical) to address astrophysical questions.. :. past present future. Heidi Schellman @ Frank Merritt Fest 2015. 1. What we knew in 1971. 2. Neutrinos exist (Cowan, . Reines. 1956). There are two kinds (Lederman, Schwartz, Steinberger - 1962 ). Chapter 38. Reminders. Complete last Mallard. -based reading quiz before class on . Thursday (. Ch 39).. I will be sending out last weekly reflection and sample final . on Thursday. . Final exam Thursday, . th. 2013. The main idea is the big bang is made up with lots of stuff like particle zero, and more.. . . The Big Bang. . Cool information of the Big Bang.. Particle Soup is made up of lots of particles like big,small,huge, and tiny particles. It is always hot. Now here is the big part, In this early phase, when it was all of ten billion,trillion,trillion,trillion,trillionths of a second old, universe experimented with a exotica creations that rapidly decayed or change in to other partials.. Quarks, Leptons, and The Big Bang. 44.2: Particles, Particles, Particles:. 44.2: Particles, Particles, Particles: Fermion or Boson?. All particles have an intrinsic angular momentum called spin. The component of spin in any direction (assume the component to be along a . Quick review of Friday’s material. Collect homework. Next quiz: Friday (covers relativistic kinematics, flux and luminosity). Start on symmetries, conservation laws.. Friday’s plan. Dirac Equation. ass: Facts and Fancy. Francesco Vissani. LNGS and GSSI. Introduction. Baryon and lepton numbers and their status in the standard model of particles and interactions. L. epton and baryon number. In all known transformations among particles,. 4 fundamental forces in nature. The familiar force of . gravity. pulls you down into your seat, towa­rd the Earth's center. You feel it as your weight.. . Why don't you fall through your seat?. Well, another force, . :. past present future. Heidi Schellman @ Frank Merritt Fest 2015. 1. What we knew in 1971. 2. Neutrinos exist (Cowan, . Reines. 1956). There are two kinds (Lederman, Schwartz, Steinberger - 1962 ). How did . the universe come to be the way that it . is?. Democritus (~2500 years ago). Recall the four fundamental forces:. GRAVITY: . All particles are influenced.. Relative strength: . WEAK: . All particles are influenced.. ▪ Karl Jansky Radio Telescope (1933)  Karl G. Jansky Very Large Array (1980) 4 11/08/2017 NSB/WotU ALMA (2013) Credits: AUI/NRAO Atmospheric Transparency 5 11/08/2017 NSB/WotU Credit: CSIRO/ATN The Big Bang. Currently the most accepted, most supported theory for the early development of the Universe. In the 1920s, Edwin Hubble determined that galaxies further away from us appear to be moving away from us faster than those that are closer.