【摘 要】
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It has been well known that the masses of neutron and proton are equal each other in vacuum(about 1GeV),and the effective mass in nuclear matter or finite nucle
【出 处】
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IMP & HIRFL Annual Report
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It has been well known that the masses of neutron and proton are equal each other in vacuum(about 1GeV),and the effective mass in nuclear matter or finite nuclei deviates from its vacuum value.Moreover,a splitting of neutron and proton effective mass exists in neutron-rich nuclear matter,which increases with the isospin asymmetry and nucleon density.Predictions of the mass splitting based on nuclear many-body theories also differ widely.Constraints on the effective mass splitting from heavy-ion collisions are still necessary and its influence on reaction dynamics would be very interesting.In this work,we present sys-
It has been well known that the masses of neutron and proton are equal each other in vacuum (about 1GeV), and the effective mass in nuclear matter or finite nuclei deviates from its vacuum value. More over, a splitting of neutron and proton effective mass exists in neutron-rich nuclear matter, which increases with the isospin asymmetry and nucleon density. Predictions of the mass splitting based on nuclear many-body strains also differ widely. Constraints on the effective mass splitting from heavy-ion collisions are still necessary and its influence on reaction dynamics would be very interesting.In this work, we present sys-
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