Also one has to take into account all of the daughter products of the decay scheme.

Norm was in the forefront of developing coincidence-counting techniques to measure decay schemes.

These relations can be quite complicated; a simple case is shown here: the decay scheme of the radioactive cobalt isotope Cobalt-60.

In 2006, the spectroscopy was continued and the decay scheme was confirmed and improved.

Loss (leakage) of lead from the sample will result in a discrepancy in the ages determined by each decay scheme.

The term 'U-Pb dating' normally implies the coupled use of both decay schemes.

By 1952, a bewildering "zoo" of elementary particles had been reported, with various masses, decay schemes, nomenclature and reliability of identification.

(See the decay scheme article for the decay scheme of cobalt-60.)

These isotopes are the last three "daughters" in the eight-step radioactive uranium (U-238) decay scheme before the stable lead isotope (Pb-206) is formed.

The Decay scheme of a radioactive substance is a graphical presentation of all the transitions occurring in a decay, and of their relationships.

Its four first products (excluding marginal decay schemes) are very short-lived, meaning that the corresponding disintegrations are indicative of the initial radon distribution.

Since energy is conserved and since the particles emitted carry away energy, arrows can only go downward (vertically or at an angle) in a decay scheme.

However, use of a single decay scheme (usually U to Pb) leads to the U-Pb isochron dating method, analogous to the rubidium-strontium dating method.

Replies: I am not a nuclear physicist, so I would not presume to declare that positron emission NEVER occurs in the decay scheme of naturally occurring radioactive isotopes.

It is useful to think of the decay scheme as placed in a coordinate system, where the ordinate axis is energy, increasing from bottom to top, and the abscissa is the proton number, increasing from left to right.

If you look at the decay scheme of heavy atoms like U(238) (you can find that in tables called the "Table of Nuclides" in handbooks and on the Web) you see that about 12 chemically different "daughters" result.

Recognising the application of mass spectrometry methods to geology in the 1970s and 1980s, de Laeter also established a series of projects with the Geological Survey of Western Australia and the University of Western Australia to develop geochronology capabilities based on the rubidium-strontium, samarium-neodymium and uranium-lead decay schemes.