On the synthesis of neutron-rich isotopes along the N=126 shell in multinucleon transfer reactions

被引：52

作者：

Beliuskina, O. ^{[1
]}

Heinz, S. ^{[1
,2
]}

Zagrebaev, V. ^{[3
]}

Comas, V. ^{[2
]}

Heinz, C. ^{[1
]}

Hofmann, S. ^{[2
,4
]}

Knoebel, R. ^{[2
]}

Stahl, M. ^{[1
]}

Ackermann, D. ^{[2
]}

Hessberger, F. P. ^{[2
,5
]}

Kindler, B. ^{[2
]}

Lommel, B. ^{[2
]}

Maurer, J. ^{[2
]}

Mann, R. ^{[2
]}

机构：

[1] Univ Giessen, Inst Phys 2, D-35392 Giessen, Germany

[2] GSI Helmholtzzentrum Schwerionenforsch GmbH, D-64291 Darmstadt, Germany

[3] JINR, Flerov Lab Nucl React, Dubna, Moscow Region, Russia

[4] Goethe Univ Frankfurt, Inst Phys, D-60054 Frankfurt, Germany

[5] Helmholtz Inst Mainz, D-55099 Mainz, Germany

来源：

EUROPEAN PHYSICAL JOURNAL A | 2014年 / 50卷 / 10期

关键词：

ACTINIDE PRODUCTION; FUSION; PROJECTILE; COLLISIONS; DISCOVERY; SEPARATOR; U-238;

D O I：

10.1140/epja/i2014-14161-3

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We performed experimental and theoretical studies of deep inelastic multinucleon transfer reactions in heavy-ion collisions at Coulomb barrier energies. Our goal was to investigate if deep inelastic transfer is superior to fragmentation reactions for producing neutron-rich isotopes in the astrophysically interesting region along the closed neutron shell N = 126. Here, we will present our results obtained in reactions of Ni-64 + Pb-207 at 5.0 MeV/nucleon. The experiment was performed at the velocity filter SHIP at GSI Darmstadt. Several transfer products on the neutron-rich side were populated but new isotopes were not observed. A comparison of the measured transfer cross-sections and production yields with those from fragmentation reactions allowed for interesting conclusions.

引用

页数：11

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