Syllabus : ATOMIC AND NUCLEAR PHYSICS - V SEMESTER - COURSE CODE : 23BPH5C2

ATOMIC AND NUCLEAR PHYSICS - 23BPH5C2

UNIT - I VECTOR ATOM MODEL

Introduction to atom model – vector atom model – electron spin –spatial quantisation– quantum numbers associated with vector atom model – L-S and J-J coupling – Pauli's exclusion principle – magnetic dipole moment due to orbital motion and spin motion of the electron – Bohr magnetron – Stern-Gerlach experiment – selection rules – intensity rule.

UNIT - II ATOMIC SPECTRA

Origin of atomic spectra – excitation and ionization potentials – Davis and Goucher's method – spectral terms and notations – fine structure of sodium D-lines – Zeeman effect –Larmor's theorem – quantum mechanical explanation of normal Zeeman effect – anomalous Zeeman effect (qualitative explanation) –Paschen-Back effect – Stark effect

UNIT - III RADIOACTIVITY

Discovery of radioactivity – natural radio activity – properties of alpha rays, beta rays and gamma rays – Geiger-Nuttal law – alpha particle spectra –Gammow's theory of alpha decay (qualitative study) –beta ray spectra – neutrino theory of beta decay – nuclear isomerism – internal conversion – nonconservation of parity in weak interactions.

UNIT - IV NUCLEAR REACTIONS

Conservation laws of nuclear reaction – Q-value equation for a nuclear reaction – threshold energy – scattering cross section – artificial radio activity – application of radio isotopes – classification of neutrons – models of nuclear structure – liquid drop model – shell model.

UNIT - V ELEMENTARY PARTICLES

Classification of elementary particles – fundamental interactions – elementary particle quantum numbers –isospin and strangeness quantum number – Conservation laws and symmetry – quarks – quark model (elementary ideas only) – discovery of cosmic rays – primary and secondary cosmic rays – latitude effect– altitude effect.

UNIT - VI PROFESSIONAL COMPONENTS

Expert Lectures - Seminars - Webinars - Industry Inputs - Social Accountability - Patriotism

TEXT AND REFERENCE BOOKS

Text Books
1. R. Murugesan, Modern Physics, S. Chand and Co. (All units) (Units IandII-Problems)
2. Brijlaland N. Subrahmanyam, Atomic and Nuclear Physics, S. Chand and Co. (All units)
3.J. B. Rajam, Modern Physics, S. Chand and Co.
4.SehgalandChopra, Modern Physics, Sultan Chand, New Delhi
5.Arthur Beiser– Concept of Modern Physics, McGraw Hill Publication, 6th Edition.
Reference Books
1. Perspective of Modern Physics, Arthur Beiser, McGraw Hill.
2. Modern Physics, S. Ramamoorthy, National Publishing and Co.
3. Laser and Non-Linear Optics by B.B.Laud, Wiley Easter Ltd.,New York,1985.
4.Tayal, D.C.2000 – Nuclear Physics, Edition, Himalaya Publishing House, Mumbai.
5.Irving Kaplan (1962) Nuclear Physics, Second Edition, Oxford and IBH Publish and Co, New Delhi.
6.J.B. Rajam– Atomic Physics, S. Chand Publication, 7th Edition.
7.Roy and Nigam, – Nuclear Physics (1967) First edition, Wiley Eastern Limited, New Delhi.

WEB RESOURCES

1. http://hyperphysics.phy-str.gsu.edu/hbase/hframe.html
2. https://makingphysicsfun.files.wordpress.com/2015/01/photoelect ric-effect.pptx
3. https://www.khanacademy.org/science/physics/quantumphysics/ in-in-nuclei/v/types-of-decay
4. https://www.khanacademy.org/science/in-in-class-12th-physicsindia/ nuclei