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The discovery of new proton emitters at the limit of nuclear stability

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Original languageEnglish
Pages (from-to)485-488
Number of pages4
JournalNuclear Physics A
Issue numberC
Publication statusPublished - 1 Mar 1993


A chain of four odd-odd proton emitters ( Tm, Lu, Ta and Re ) has been established from Z=69-75, representing the heaviest region in which proton radioactivity has been identified. This also clearly shows that the proton drip-line has been crossed up to Z=75. The results indicate that there is a reversal in the d and h proton orbitals around Z=73. Proton separation energies are compared with mass model predictions.

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