Mass differences and neutron pairing in Ca, Sn and Pb isotopes

B. S. Ishkhanov; S. V. Sidorov; T. Yu. Tretyakova; E. V. Vladimirova

doi:10.1088/1674-1137/41/9/094101

Chinese Physics C> 2017, Vol. 41> Issue(9) : 094101 DOI: 10.1088/1674-1137/41/9/094101

Mass differences and neutron pairing in Ca, Sn and Pb isotopes

1.
Faculty of Physics, M. V. Lomonosov Moscow State University, Moscow 119991, Russia
2.
Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow 119991, Russia
3.
Faculty of Physics, M. V. Lomonosov Moscow State University, Moscow 119991, Russia
4.
Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow 119991, Russia

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Abstract：
Various estimates of the even-odd effect of the mass shell of atomic nuclei are considered. Based on the experimental mass values of the Ca, Sn, and Pb isotopes, the dependence of the energy gap on the neutron number is traced and the relationship of this characteristic to the properties of external neutron subshells is shown. In nuclei with closed proton shells, effects directly related to neutron pairing and effects of nucleon shells are discussed.
- nucleon interaction ,
- models of atomic nuclei ,
- nucleon pairing in atomic nuclei

References

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B. S. Ishkhanov, S. V. Sidorov, T. Yu. Tretyakova and E. V. Vladimirova. Mass differences and neutron pairing in Ca, Sn and Pb isotopes[J]. Chinese Physics C, 2017, 41(9): 094101. doi: 10.1088/1674-1137/41/9/094101

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Received: 2017-04-27

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Mass differences and neutron pairing in Ca, Sn and Pb isotopes

1. Faculty of Physics, M. V. Lomonosov Moscow State University, Moscow 119991, Russia

2. Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow 119991, Russia

3. Faculty of Physics, M. V. Lomonosov Moscow State University, Moscow 119991, Russia

4. Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow 119991, Russia

Received Date: 2017-04-27

Available Online: 2017-09-05

Abstract: Various estimates of the even-odd effect of the mass shell of atomic nuclei are considered. Based on the experimental mass values of the Ca, Sn, and Pb isotopes, the dependence of the energy gap on the neutron number is traced and the relationship of this characteristic to the properties of external neutron subshells is shown. In nuclei with closed proton shells, effects directly related to neutron pairing and effects of nucleon shells are discussed.

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Mass differences and neutron pairing in Ca, Sn and Pb isotopes

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