Study of bound states in 10Be by one neutron removal reactions of 11Be
Artikel i vetenskaplig tidskrift, 2017

The bound states of 10Be have been studied by removing single neutrons from 11Be nuclei. A 2.8 MeV u-1 beam of 11Be was produced at ISOLDE, CERN and directed on to both proton and deuteron targets inducing one-neutron removal reactions. Charged particles were detected to identify the two reaction channels (d, t) and (p, d), and the individual states in 10Be were identified by gamma detection. All bound states but one were populated and identified in the (d, t) reaction. The combination of REX-ISOLDE and MINIBALL allowed for a clean separation of the high-lying states in 10Be. This is the first time these states have been separated in a reaction experiment. Differential cross sections have been calculated for all the reaction channels and compared to DWBA calculations. Spectroscopic factors are derived and compared to values from the litterature. While the overall agreement between the spectrocopic factors is poor, the ratio between the ground state and the first excited state is in agreement with the previous measured ones. Furthermore, a significant population of the state is observed, which which may indicate the presence of multi-step processes at our beam energy.

10Be

differential cross section

transfer reactions

gamma spectroscopy

Författare

Jacob G. Johansen

Aarhus Universitet

V. Bildstein

Technische Universität München

M. J. G. Borge

European Organization for Nuclear Research

CSIC - Instituto de Estructura de la Materia (IEM)

M. Cubero

CSIC - Instituto de Estructura de la Materia (IEM)

J. Diriken

KU Leuven

J. Elseviers

KU Leuven

L.M. Fraile

Universidad Complutense de Madrid

H. O. U. Fynbo

Aarhus Universitet

L. P. Gaffney

European Organization for Nuclear Research

University of Liverpool

R. Gernhauser

Technische Universität München

Björn Jonson

Chalmers, Fysik, Subatomär fysik och plasmafysik

G. T. Koldste

Aarhus Universitet

J. Konki

European Organization for Nuclear Research

Helsinki Institute of Physics

T. Kröll

Technische Universität Darmstadt

Technische Universität München

R. Krücken

TRIUMF

Technische Universität München

D. Mücher

University of Guelph

Thomas Nilsson

Chalmers, Fysik, Subatomär fysik och plasmafysik

K. Nowak

Technische Universität München

J. Pakarinen

Helsinki Institute of Physics

European Organization for Nuclear Research

V. Pesudo

CSIC - Instituto de Estructura de la Materia (IEM)

R. Raabe

KU Leuven

K. Riisager

Aarhus Universitet

M. Seidlitz

Universität zu Köln

O. Tengblad

CSIC - Instituto de Estructura de la Materia (IEM)

Hans Törnqvist

Chalmers, Fysik

D. Voulot

European Organization for Nuclear Research

N. Warr

Universität zu Köln

K. Wimmer

University of Tokyo

Technische Universität München

H. De Witte

KU Leuven

Journal of Physics G: Nuclear and Particle Physics

0954-3899 (ISSN)

Vol. 44 4

Experimentella studier av exotiska, lätta nukleära system

Vetenskapsrådet (VR), 2012-01-01 -- 2014-12-31.

Ämneskategorier

Subatomär fysik

Fysik

Fundament

Grundläggande vetenskaper

DOI

10.1088/1361-6471/aa5f28