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First Penning trap mass measurements beyond the proton drip line.
Phys Rev Lett ; 100(1): 012501, 2008 Jan 11.
Article em En | MEDLINE | ID: mdl-18232754
ABSTRACT
The masses of six neutron-deficient rare holmium and thulium isotopes close to the proton drip line were determined with the SHIPTRAP Penning trap mass spectrometer. For the first time the masses of the proton-unbound isotopes 144,145Ho and 147,148Tm were directly measured. The proton separation energies were derived from the measured mass values and compared to predictions from mass formulas. The new values of the proton separation energies are used to determine the location of the proton drip line for holmium and thulium more accurately.
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2008 Tipo de documento: Article País de afiliação: Alemanha
Buscar no Google
Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Phys Rev Lett Ano de publicação: 2008 Tipo de documento: Article País de afiliação: Alemanha