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1.
Phys Rev Lett ; 102(12): 122503, 2009 Mar 27.
Artigo em Inglês | MEDLINE | ID: mdl-19392270

RESUMO

Time-resolved Schottky mass spectrometry has been applied to uranium projectile fragments which yielded the mass value for the 208Hg (Z=80, N=128) isotope. The mass excess value of ME=-13 265(31) keV has been obtained, which has been used to determine the proton-neutron interaction strength in 210Pb, as a double difference of atomic masses. The results show a dramatic variation of the strength for lead isotopes when crossing the N=126 neutron shell closure, thus confirming the empirical predictions that this interaction strength is sensitive to the overlap of the wave functions of the last valence neutrons and protons.

2.
Phys Rev C Nucl Phys ; 33(4): 1540-1542, 1986 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-9953312
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