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Nuclear Astrophysics

Nuclear Astrophysics. Instructor: Prof. Anil Kumar Gourishetty, Department of Physics, IIT Roorkee. Nuclear astrophysics is the union of nuclear physics and astronomy. The purpose of the course is to introduce the emerging field of nuclear astrophysics; a discipline that can identify new observational signatures probing our universe. This discipline has proved to have the potential to categorize the conditions at the core of stars and provide information of energy production from stars, nucleosynthesis and stellar evolution. New initiatives in this domain include the development of experimental facilities (Ex: FRENA in SINP Kolkata), that open new landscapes into the nuclear processes that take place at low energies during the evolutionary phases of stars and in explosive events in galaxies. (from nptel.ac.in)

Lecture 08 - M-L Relation, Hubble's Law and Eco of Big Bang

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Lecture 01 - Historical Background, Observational Astronomy, Properties of Sun and of Stars

Lecture 02 - Properties of Galaxies and Universe

Lecture 03 - Background of Elemental Abundance Curve

Lecture 04 - Evidence of Nucleosynthesis I

Lecture 05 - Evidence of Nucleosynthesis II

Lecture 06 - Evidence of Nucleosynthesis III, and Mass Gaps

Lecture 07 - H-R Diagram

Lecture 08 - M-L Relation, Hubble's Law and Eco of Big Bang

Lecture 09 - Thermonuclear Reactions and Reaction Cross-Section

Lecture 10 - Reaction Rate

Lecture 11 - Reaction Rate (cont.) and Neutron Induced Reactions

Lecture 12 - Gamma Induced Reactions and Inverse Reactions

Lecture 13 - Inverse Reactions

Lecture 14 - Inverse Reactions (cont.), and Mean Life Time of a Nuclei

Lecture 15 - Mean Life Time of a Nuclei (cont.), and Time Dependent Abundance Evolution

Lecture 16 - Non-Resonant Charged Particle Induced Reactions

Lecture 17 - Astrophysical S-factor and Non-Resonant Charged Particle Induced Reactions

Lecture 18 - Gamow Peak and Electron Screening Effect

Lecture 19 - Resonant Reactions

Lecture 20 - Resonant Reactions (cont.)

Lecture 21 - Neutron Induced Non-Resonant Reactions

Lecture 22 - Burning Stages of Stars and Hydrogen Burning

Lecture 23 - Proton-Proton Chain

Lecture 24 - P-P Chain (cont.), and CN Cycle

Lecture 25 - CNO Cycle, Shell Model and Gamma Decay

Lecture 26 - Formation of 12C

Lecture 27 - Survival of 12C

Lecture 28 - Carbon, Neon, Oxygen and Silicon Burning

Lecture 29 - Nucleosynthesis beyond Iron

Lecture 30 - S-, R-, and P-Process

Lecture 31 - Charged Particle and Neutron Beams

Lecture 32 - Accelerators and Targets

Lecture 33 - Backing Materials and Target Preparation

Lecture 34 - Contaminants and Radiation Sources

Lecture 35 - Detectors I

Lecture 36 - Detectors II

Lecture 37 - Activity Method

Lecture 38 - Kinematics I

Lecture 39 - Kinematics II

Lecture 40 - Time of Flight Method and Indirect Methods