203Tl-Thallium
203Tl has 81 protons and 122 neutrons.
203Tl is a stable isotope.
The mass excess of 203Tl is -25761.309 with an uncertainty of ±1.171.
The mass was measured using a Penning Trap and Nuclear Physics and the related equations include:
Influence Equations
70% 203Tl(n, γ)204Tl 1
10.4% 202Tl-203Tl0.995 2
8.5% 203Tl35Cl-201Hg37Cl 2
Reference
1. A.H. Colenbrander, T.J. Kennett (1974) Radiative Neutron Capture Study of 203Tl
Canadian Journal of Physics 52(13)
https://cdnsciencepub.com/doi/abs/10.1139/p74-164
2. A. Welker, P. Filianin, N.A.S. Althubiti, D. Atanasov, K. Blaum, T.E. Cocolios, S. Eliseev, F. Herfurth, S. Kreim, D. Lunney, V. Manea, D. Neidherr, Yu. Novikov, M. Rosenbusch, L. Schweikhard, F. Wienholtz, R.N. Wolf, K. Zuber
(2017) Precision electron-capture energy in 202Pb and its relevance for neutrino mass determination European Physical Journal A 53(153)
https://epja.epj.org/articles/epja/abs/2017/07/10050_2017_Article_896/10050_2017_Article_896.html
3. W. McLatchie, R.C. Barber, R.L. Bishop, H.E. Duckworth, B.G. Hogg, J.D. Macdougall, P.Van Rookhuyzen (1964) Some new neutron separation energies for isotopes of Hg, Tl, Pb, and Bi
Canadian Journal of Physics 42(5)
https://cdnsciencepub.com/doi/abs/10.1139/p64-086