Wapstra, atomic mass evaluations

Source A. H. Wapstra and G. Audi, The 1983 Atomic Mass Evaluation, Nucl. Phys., A432 l-54 (1985) and references cited for Table 4.16. 

The data were extracted from M. Lederer and V. S. Shirley, Table of Isotopes, 7th ed., Wiley-Interscience, New York, 1978 A. H. Wapstra and G. Audi, The 1983 Atomic Mass Evaluation, Nucl. Phys. A432 l-54 (1985) V. S. Shirley, ed.. Table of Radioactive Isotopes, 8th ed., Wiley-Interscience, New York, 1986 and P. Raghavan, Table of Nuclear Moments, At. Data Nucl. Data Tables, 42 189 (1989). 

The AME2003 Atomic Mass Evaluation. A. H. Wapstra, G. Audi, and C. Thibault, Nuclear Physics A729, 129 (2003). 

The atomic mass is given in unified atomic mass units, u = ma(12C)/12, together with the standard errors in parentheses and applicable to the last digits quoted. The data were extracted from a more extensive list of The 1983 Atomic Mass Evaluation by Wapstra and Audi [72]. 

Wapstra, A.H. and Audi, G., The 1983 Atomic Mass Evaluation. I. Atomic Mass Table, Nucl. Phys. A432 (1985) 1-54. 

A. H. Wapstra, K. Bos, The 1977 Atomic Mass Evaluation, Atomic Data and Nuclear Data Tables, Vol. 19, Academic Press, New York, 1977... 

Audi G, Wapstra AH (1993) The 1993 atomic mass evaluation. Nucl Phys A 565 1-65 Audi G, Wapstra AH (1995) The 1995 update to the atomic mass evaluation Nucl. Phys A 595 409 80... 

Wieser and Berglund 2007). It is based on isotopic masses from the 1993 atomic mass evaluation, updated in 1995, and then in 2003 (Audi and Wapstra 1995 Audi et al. 2003), and the 1997 recommendation of isotopic compositions of the elements as determined by mass spectrometry (Rosman and Taylor 1998a, b, c, 1999). The latter data set represents the isotopic composition of the chemicals and/or materials most commonly encountered in the laboratory. 

G. Audi, A.H. Wapstra, The 1995 update to the atomic mass evaluation, Nucl. Phys. 1995, A595, 409. Atomic Mass Data Center, world wide web site, . 

Audi, G., Bersillon, O., Blachot, J., Wapstra, A.H. The 2003 Nubase evaluation and the 2003 atomic mass evaluation. Nucl. Phys. A729, 3-128 (2003)... 

Wapstra, A.H., Gove, N.B. The 1971 atomic mass evaluation. At. Data Nucl. Data Tables 9, 267-468 (1971)... 

Wang, M., Audi, G., Wapstra, A. H., Kondev, F. G., MacCormick, M, Xu, X., and Pfeiffer, B., The AME2012 Atomic Mass Evaluation II, Tables, Graphs and References, Chinese Physics C - High Energy and Nuclear Physics 36,1603,2012. 

The atomic masses were taken from the 2003 evaluation of Audi, Wapstra, and Thibault (References 2, 3). The number in parentheses foUowing the mass value is the uncertainty in the last digit(s) given. An asterisk after an entry indicates the mass value was derived not purely from experimental data, but at least partly from systematic trends. 

Wapstra and Audi [22] evaluated the experimental data on masses as well as reaction and decay energies to obtain a consistent set of atomic masses m. The values for the isotopes of the Pt group (in atomic mass units u = (1.660566+0.000009) x 10 kg) are listed in Table 1/1, p. 2, and Table 1/2, p. 4. Also the mass excess values Am for the neutral atoms (Am (in keV) = (m—A) 931501.6) are given. The data, which were derived from empirical systematic trends [24], are marked by an asterisk. 

Fig. 1-5. Dependence of Qp- values of the Ru, Rh, and Pd isotopes on the nucleon number. The dots represent the data evaluated by Wapstra et al. [22, 24] the dashed lines connect values obtained from empirical systematic trends [24]. The Qp- values derived from the atomic masses calculated by Liran and Zeldes [27] for the decay of the isotopes of Tc (o), Ru (a), Rh ( ), and Pd (v) are also shown. On the right scale the Qg values for the decay in the reverse direction, like Ru, Tc, are given.

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