A new mass formula and new neutron and proton magic numbers in light nuclei
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This mass formula explains gross features of the binding energy curves for all the elements from Li to Bi. It has no shell effects incorporated. Comparisons of separation energies computed from this formula and measured masses show extra-stability at N=6 (Z=3−8), Z=6 (N=6−9), N=14 (Z=7−10), Z=14 (N=14−19), N=16 (Z=7−8), Z=16 (N=24−26), loss of magicity at N=8 (Z=4), N=20 (Z=12−15) and quenching of N=50, 82, 126, Z=50 near driplines. Z=82 magicity rises at N=104 after strong quenching near N=107.
Keywordsmass formula magic number shell quenching driplines
PACS21.10.−k 21.10.Dr 21.60.Cs
- 2.C. Samanta and S. Adhikari, nucl-th/0105014; Phys. Rev. C65 (2002) 037301 and references therein.Google Scholar
- 3.R. Kanungo et al., Phys. Lett. B528 (2002) 58.Google Scholar
- 5.Nuclear Wallet Cards, Brookhaven National Laboratory, 2000; Yu. N. Novikov et al., Nucl. Phys. A697 (2002) 92.Google Scholar