Ultimate stable element Z = 137

M  Goswami  and S  Sahoo

doi:10.17485/ijst/2009/v2i3.10

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Indian Journal of Science and Technology

DOI: 10.17485/ijst/2009/v2i3.10

Year: 2009, Volume: 2, Issue: 3, Pages: 1-4

Original Article

Ultimate stable element Z = 137

M. Goswami¹ and S. Sahoo²

¹Department of Physics, Regional Institute of Education (NCERT),Bhubaneswar - 751022, Orissa, India.
²Department of Physics, National Institute of Technology, Durgapur – 713209, West Bengal, India.

*Author for the correspondence:
S. Sahoo
Department of Physics, National Institute of Technology, Durgapur – 713209,
West Bengal, India.
E-mail: [email protected]

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

We have analysed and highlighted an interesting prediction of Subrahmanyam Chandrasekhar that Z = 137 will be the ultimate element that can be artificially synthesised. The heaviest element found till today is of atomic number Z = 122 and atomic mass A = 292. The last possible stable element has, in fact, been a matter of disagreement.

Keywords: Heavy nuclei, Bohr’s model, special theory of relativity, Dirac equation