Nuclear Cross Section

The ngatlas contains neutron capture cross sections in the range 10 5ev 20mev as evaluated and compiled in recent activation libraries.
Nuclear cross section. 2004 02 06 atomic mass data were replaced with recommendation of audi et al. This is an index to the contents of the new endf b vii 1 library of evaluated incident neutron data. To characterize the probability that a certain nuclear reaction will take place it is customary to define an effective size of the nucleus for that reaction called a cross section the cross section is defined by.
In nuclear physics the nuclear cross section of a nucleus is commonly used to characterize the probability that a nuclear reaction will occur. G factors of jendl 3 3 cross sections are given in cross section tables. Spin and half lives were replaced with the data of www chart of the nuclides.
The standard unit for measuring a nuclear cross section is the barn which is equal to 10 28 m or 10 24 cm. The cross section is typically denoted σ and measured in units of area m 2. Nuclear cross section.
What does nuclear cross section mean. Links in the index provide access to more information about the individual materials including raw and interpreted views of the endf file and pdf plots of the cross sections and distributions. Numerical values of n g cross sections are available for a total of 739 targets for the elements h z 1 a 1 to cm z 96 a 248 totaling 972 reactions.
The ame2003 atomic mass evaluation ii by g audi a h wapstra and c thibault nuclear physics a729 p 337 676 2003. The cross section has the units of area and is on the order of the square of the nuclear radius. Meaning of nuclear cross section.
Scattering cross sections may be defined in nuclear atomic and particle physics for collisions of accelerated beams of one type of particle with targets either stationary or moving of a second type of particle. Information and translations of nuclear cross section in the most comprehensive dictionary definitions resource on the web.