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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 22 - Burning Stages of Stars and Hydrogen Burning


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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