T.W. Burrows

Nuclear Data Sheets for A = 139

The 1981 evaluation of A=139 (81Pe04) has been revised using experimental decay and reaction data received by April 17, 1989.

Nuclear Data Sheets for A = 57☆

Abstract The 1992 evaluation of A = 57 (92Bh05) has been revised using the experimental decay and reaction data received by the cutoff date noted below.

The evaluated nuclear structure data file: Philosophy, content, and uses☆

The Evaluated Nuclear Structure Data File (ENSDF) is maintained by the National Nuclear Data Center (NNDC) on behalf of the international Nuclear Structure and Decay Data Network sponsored by the International Atomic Energy Agency, Vienna. Data for A = 5 to 44 are extracted from the evaluations published in Nuclear Physics; for A ⩾ 45 the file is used to produce the Nuclear Data Sheets. The philosophy and methodology of ENSDF evaluations are outlined, along with the file contents of relevance to radionuclide metrologist; the services available at various nuclear data centers and the NNDC on-line capabilities are also discussed. Application codes have been developed for use with ENSDF, and the program RADLST is used as an example. The interaction of ENSDF evaluations with other evaluations is also discussed.

Nuclear Data Sheets for A = 136

Abstract The 1979 evaluation of A=136 (79Pe02) has been revised using experimental decay and reaction data received by August 5, 1987.

Nuclear Data Sheets for A = 49☆

The 1995 Nuclear Data Sheets evaluation for A = 49 (1995Bu23) has been revised using experimental decay and reaction data received by July 14, 2008.

Nuclear Data Sheets update for A=50*

Abstract The 1984 evaluation of A=50 (84A129) has been updated using experimental decay and reaction data received by June 4, 1990. Many of the data sets presented in 84A129, but not given here, were also reevaluated. Those and other additional data and documentation are available in the ENSDF file (the computer base from which these evaluations are produced).

Nuclear Data Sheets for A = 45☆

Abstract The Interim Evaluations for A = 45 based on the 1992 Nuclear Data Sheets Update for A = 45 (1992Bu01, literature cutoff date of November 27, 1991) have been revised using experimental decay and reaction data received by October 30, 2007.

Nuclear Data Sheets for A = 47☆

Abstract The 1995 Nuclear Data Sheets Update for A = 47 (1995Bu05) has been revised using experimental decay and reaction data received by February 20, 2007.

A New Tool to Interpolate Conversion Coefficients and E0 Electronic Factors

The internal conversion and electron‐positron pair creation processes provide a versatile tool for investigating various aspects of the nuclear structure. The most recent calculations of Internal Conversion Coefficients, based on relativistic self‐consistent Dirac‐Fock calculations are widely regarded as the most accurate numerical results available today. The International Nuclear Structure and Decay Data Network has adopted the new conversion coefficients to replace the Hager and Seltzer, Rossel et al., and Band and Trzhaskovskaya tables.In this paper we report on the development of a new conversion electron data base and associated programs, which includes the new internal conversion coefficients tables, published in At. Data and Nucl. Data Tables 81, (2002) 1. Additional calculations have been carried out to extend the energy range, as well as improve the interpolation accuracy to obtain conversion coefficients in the 1‐keV to 6000‐keV region. Additional data tables have been compiled from published d...

Nuclear data sheets for A = 163*

Abstract The 1980 evaluation of A=163 (80Da03) has been revised using experimental reaction data received by October 30, 1988.