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Saha Institute of Nuclear Physics – Administration

SINP is an autonomous research institute under the administrative control of the Department of Atomic Energy, Government of India .The institute is governed by a governing council headed by the chairman of the atomic energy commission of India, in accordance with a tripartite agreement signed by the government of India, government of west Bengal and [...]

Introduction to general relativity – Astrophysical applications

Models based on general relativity play an important role in astrophysics, and the success of these models is further testament to the theory’s validity. Gravitational lensing Since light is deflected in a gravitational field, it is possible for the light of a distant object to reach an observer along two or more paths. For instance, [...]

Nuclear Physics (journal) – Abstracting and indexing

Nuclear Physics A *Current Contents/Physics, Chemical, & Earth Sciences *Scopus *Zentralblatt MATH Nuclear Physics B *Chemical Abstracts *Current Contents/Physics, Chemical, & Earth Sciences *Scopus *Zentralblatt MATH Adapted from the Wikipedia article Nuclear Physics (journal), under the G. N. U. Free Documentation License. Please also see http://en.wikipedia.org/wiki

Nuclear reactor physics – Uranium enrichment

While many fissionable isotopes exist in nature, the only usefully fissile isotope found in any quantity is 235U. About 0.7% of the uranium in most ores is the 235 isotope, and about 99.3% is the inert 238 isotope. For most uses as a nuclear fuel, uranium must be ”enriched” – purified so that it contains [...]

Theoretical astronomy – Introduction

Stellar Astrophysics

Astrochemistry, the overlap of the disciplines of astronomy and chemistry, is the study of the abundance and reactions of chemical elements and molecules in space, and their interaction with radiation. The formation, atomic and chemical composition, evolution and fate of molecular gas clouds, is of special interest because it is from these clouds that solar [...]

Nuclear Instruments and Methods in Physics Research – History

*”Nuclear Instruments” (1957–1958) *”Nuclear Instruments and Methods” (1959–1981) *”Nuclear Instruments and Methods in Physics Research” (1984–Present) :*”Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment” (1984–Present) :*”Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms” (1984–Present) Adapted from the Wikipedia article Nuclear Instruments [...]

Nuclear physics – Introduction

Nuclear Physics

Nuclear physics is the field of physics that studies the building blocks and interactions of atomic nuclei. The most commonly known applications of nuclear physics are nuclear power and nuclear weapons, but the research has provided wider applications, including those in medicine (nuclear medicine, magnetic resonance imaging), materials engineering (ion implantation) and archaeology (radiocarbon dating). [...]

Joint Institute for Nuclear Astrophysics – Introduction

Astrophysics

Joint Institute for Nuclear Astrophysics (JINA) in USA is a collaboration between Michigan State University, the University of Notre Dame, and the University of Chicago to address a broad range of experimental, theoretical, and observational questions in nuclear astrophysics. In the fall of 2003, JINA received a five year grant by the National Science Foundation [...]

Nuclear reactor physics – Oklo: a natural nuclear reactor

Nuclear Physics

Modern deposits of uranium contain only up to ~0.7% 235U (and ~99.3% 238U), which is not enough to sustain a chain reaction moderated by ordinary water. But 235U has a much shorter half-life (700 million years) than 238U (4.5 billion years), so in the distant past the percentage of 235U was much higher. About two [...]

Tom W. Bonner Prize in Nuclear Physics – Introduction

Nuclear Physics

Tom W. Bonner Prize in Nuclear Physics is an annual prize awarded by the American Physical Society’s Division of Nuclear Physics. Established in 1964, and currently consisting of $7,500 and a certificate, the Bonner Prize was founded in memory of physicist Tom W. Bonner. The aim of the prize, as stated by the American Physical [...]

Nuclear reactor physics – Introduction

Nuclear Physics

ρ). Reactivity is commonly expressed in decimals or percentages or pcm (per cent mille) of Δk/k. When reactivity ρ is expressed in units of delayed neutron fraction β, the unit is called the ”dollar”. If we write ‘N’ for the number of free neutrons in a reactor core and ‘tau’ for the average lifetime of [...]

Nuclear reactor physics – Subcritical multiplication

Nuclear Physics

Even in a subcritical assembly such as a shut-down reactor core, any stray neutron that happens to be present in the core (for example from spontaneous fission of the fuel, from radioactive decay of fission products, or from a neutron source) will trigger an exponentially decaying chain reaction. Although the chain reaction is not self-sustaining, [...]









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