PPT-Electromagnetic (gamma) decay

C oupling between nucleons and EM field Electromagnetic and weak interactions can be treated as perturbations Emission of a g ray is caused by the interaction of the nucleus with an external electromagnetic field. Introduction To The Textbook. “Atomic Astrophysics and . Spectroscopy” (AAS). Anil . Pradhan. and Sultana . Nahar. Cambridge University Press 2011. Details at: . www.astronomy.ohio-state.edu/~pradhan/Book/book.html. Knowledge of subatomic particles has led to many advancements- unfortunately besides the advancements in power plants there has been costs-nuclear warfare and waste. Nuclear Decay. The nucleus-cluster of protons and neutrons-is in the centre of an atom. at NPL. Paddy Regan. NPL . Radioactivity Group, AIR Division. & . Department of Physics, . University . of Surrey. Nuclear Data?. ‘Nuclear Data’ and its evaluation underpin many areas of both applied and fundamental nuclear science, including. True. False. Types of radioactive decay. Gamma. Beta (+,-, . e.c. .). Alpha. Neutron emission. Fission. Fusion. http://ie.lbl.gov/education/isotopes.htm. Gamma Decay. Nucleus in excited state gives off energy as a photon. & . 2) Measurement of Radium and Decay products. . Two lectures prepared for . Galway Radium Week . 18. th. – 22. nd. April 2016. Paddy Regan. Department of Physics, University of Surrey,. Guildford, GU2 7XH, UK . Electromagnetic Radiation. Electromagnetic waves perpendicular waves combing the electric and magnetic fields. . Electromagnetic waves are produced when an electric charge vibrates or accelerates and can travel through empty space or through matter. . The (Second) Plan. Trends in excitation spectra. Collective vs. single-particle. Vibration, rotation, …. Nuclear decay – measurements and more. Gamma-decay. Beta-decay. Alpha-decay. Patterns and Nuclear Structure: Excitation Spectra. Gamma . Decay. Readings: Modern Nuclear Chemistry, Chap. 9; Nuclear and Radiochemistry, Chapter 3. Energetics. Decay Types. Transition Probabilities. Internal Conversion. Angular . Correlations. Moessbauer spectroscopy. Gravitational Wave Bonus). The next slides show images of the SAME region of sky, but using different types of light. The view in VISIBLE LIGHT. INFRARED. RADIO WAVES. RADIO WAVES. GAMMA RAYS. Different types of light give us different information!. Standards. Paddy Regan. Department of Physics, U. Surrey, UK . p.regan@surrey.ac.uk. &. Nuclear Metrology Department, National Physical Lab. UK, . paddy.regan@surrey.ac.uk. . Outline:. Introduction to radioisotope physics. isotopes”, IAEA Research Contract no. 17442/2012. Aurelian LUCA. ,. National Institute of Physics and Nuclear Engineering “. Horia. . Hulubei. ” (IFIN-HH), Department of Radioisotopes and Radiation Metrology, Radionuclide Metrology Laboratory, Romania. 22nd Technical Meeting of the NSDD . Network, 22-26 May, 2017, Berkeley, CA. Balraj. was born in India in 194?. He went to the University of Toronto where. he published his first research paper in 1969. “Atomic Astrophysics and . Spectroscopy” (AAS). Anil . Pradhan. and Sultana . Nahar. Cambridge University Press 2011. Details at: . www.astronomy.ohio-state.edu/~pradhan/Book/book.html. . Absorption and Emission by Hydrogen Atom:. Paul Mantica. Lecture 1. Euroschool. for Exotic Beams. Leuven, Belgium - 2009. Beta . Decay . of . Exotic Nuclei:. Science . Opportunities. Gamow-Teller strength in N~Z nuclei to . 100. Sn. Persistence of shell gaps in extreme neutron-rich nuclei (.