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Chapter and Conference Paper
Studies of light neutron-rich nuclei near the drip line
Coulomb breakup of neutron-rich Be, B, C, and O isotopes at relativistic energies (400–600 A MeV) was studied with kinematically complete measurements. The ground-state properties of these nuclei were deduced by ...
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Chapter and Conference Paper
One-neutron knockout of 23O
Breakup reactions were used to study the ground-state configuration of the neutron-rich isotope 23O. The 22O fragments produced in one-nucleon removal from 23O at 938 MeV/nucleon in a carbon target were detected ...
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Chapter and Conference Paper
Investigation of nuclear matter distribution of the neutron-rich He isotopes by proton elastic scattering at intermediate energies
Absolute differential cross-sections for elastic p 6He and p 8He scattering were measured in inverse kinematics with secondary beams. In order to supplement data ta...
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Chapter and Conference Paper
Storage-Ring Experiments with Exotic Nuclei: From Mass Measurements to the Future
Direct mass measurements with electron-cooled ions coasting in a heavy-ion storage ring allow the map** of large areas of the nuclear chart, well suited to explore new regions and to investigate isospin effe...
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Chapter and Conference Paper
Probing intruder structures in lead nuclei
In-beam γ-ray spectroscopy measurements provide important information on coexisting normal and intruder configurations in lead nuclei. However, in these experiments the yrast states are preferentially populate...
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Chapter and Conference Paper
Study of Nuclear Matter Distributions of Halo Nuclei 6He and 8He with Elastic Proton Scattering
The study of neutron-rich light nuclei near the drip line has attracted much attention as they exhibit a particular nuclear structure, namely an extended distribution of the valence neutrons surrounding a comp...
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Chapter and Conference Paper
Mass measurements of relativistic exotic nuclei at the FRS-ESR facility at GSI
Two complementary mass measurement techniques have been developed utilizing the combination of Fragment Separator (FRS) [1] and Experimental Storage Ring (ESR) [2] at GSI. In both methods relativistic exotic n...
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Chapter and Conference Paper
The dipole response of nuclei with large neutron excess
The dipole response of neutron-rich nuclei in the mass range from A = 10 to A = 22 and with mass to charge ratios of 2.5 to 2.8 has been invesitigated experimentally utilizing electromagnetic excitation in heavy-...
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Chapter and Conference Paper
Nuclear-matter distributions of halo nuclei from elastic proton scattering in inverse kinematics
Proton-nucleus elastic scattering at intermediate energies, a well-established method for probing nuclear-matter density distributions of stable nuclei, was applied for the first time to exotic nuclei. This me...
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Chapter and Conference Paper
6,8He: a comparative study of fragmentation reactions
Dissociation of 227 MeV/u 8He in lead and carbon targets has been studied in kinematically complete experiments, the data are compared with corresponding results for 6He.
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Chapter and Conference Paper
Decay studies of N ≈ Z nuclei from 75Sr to 102Sn
Neutron deficient nuclei near 100Sn have been produced by fragmentation of a 1 · A GeV 112Sn beam. The fragments were separated, identified and stopped in a highly segmented silicon strip detector stack. This det...
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Chapter and Conference Paper
Elastic proton scattering from neutron-rich He-isotopes at intermediate energies and high momentum transfer
Neutron-rich light nuclei near the neutron drip line have attracted much attention in recent years as they feature a particular nuclear structure, namely an extended distribution (so-called halo) of the valenc...
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Chapter and Conference Paper
Development of quadrupole collectivity in the neutron-rich Ni, Zn, Ge, and Se isotopes
An experiment was performed to study the collective properties of neutron-rich Ni, Zn, Ge, and Se isotopes. Of particular interest is the vicinity of the N = 50 and Z = 28 shell closures. For most neutron-rich nu...
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Chapter and Conference Paper
Low-lying resonance states in 7He
The cross section for the 6He+n channel as a function of the relative energy shows a structure, which is interpreted as being due to the 7He I π = 3/2− ground state resonance with about equal...
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Chapter and Conference Paper
Schottky Mass Measurements of Cooled Exotic Nuclei
Projectile fragments of a 209Bi beam were separated in flight with the fragment separator FRS and injected into the experimental storage ring ESR. In the ESR a beam containing up to about 100 different isotopes w...
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Chapter and Conference Paper
A New Concept for Time-of-Flight Mass Spectrometry with Slowed-down Short-Lived Isotopes
A new concept for direct mass measurements of short-lived nuclei with an electrostatic time-of-flight mass spectrometer is described. The spectrometer can be coupled to an in-flight separator such as SHIP or F...
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Chapter and Conference Paper
Status of the SHIPTRAP Project: A Capture and Storage Facility for Heavy Radionuclides from SHIP
The ion trap facility SHIPTRAP is being set up to deliver very clean and cool beams of singly-charged recoil ions produced at the SHIP velocity filter at GSI Darmstadt. SHIPTRAP consists of a gas cell for stop...
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Chapter and Conference Paper
A Physics Case for SHIPTRAP: Measuring the Masses of Transuranium Elements
SHIPTRAP will allow direct measurement of masses of transuranium nuclides. The method of choice is a Penning trap spectrometer coupled to the SHIP (Separator for Heavy Ion Products) facility at GSI, Darmstadt....
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Chapter and Conference Paper
Isochronous Mass Measurements of Hot Exotic Nuclei
A novel method for mass measurements of short-lived exotic nuclides is presented. Exotic nuclides were produced and separated in flight at relativistic energies with the fragment separator (FRS) and were injec...
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Chapter and Conference Paper
The recoil separator system at GSI — description, experiments and further plans