Björn Jonson

2020

Probing the Z = 6 spin-orbit shell gap with (p,2p) quasi-free scattering reactions

The most accurate determination of the ⁸B half-life

Search for beta-delayed proton emission from ¹¹ Be

2020

Halo effects in the low-energy scattering of ¹⁵C with heavy targets

All the fun of the FAIR: fundamental physics at the facility for antiproton and ion research

Exotic Nuclei

Quasi-free proton knockout from 12C on carbon target at 398 MeV/u

Quasi-free neutron and proton knockout reactions from light nuclei in a wide neutron-to-proton asymmetry range

2018

Structure of Be-13 studied in proton knockout from B-14

2018

Comparison of electromagnetic and nuclear dissociation of Ne 17

Quasifree (p, pN) scattering of light neutron-rich nuclei near N=14

2018

Strong Neutron Pairing in core+4n Nuclei

2018

Quasifree (p, 2p) Reactions on Oxygen Isotopes: Observation of Isospin Independence of the Reduced Single-Particle Strength

2018

First Accurate Normalization of the β -delayed α Decay of N 16 and Implications for the C 12 (α,γ) O 16 Astrophysical Reaction Rate

Improved experimental determination of the branching ratio for β-delayed α decay of 16N

Coulomb breakup of neutron-rich Na-29,Na-30 isotopes near the island of inversion

ISOLDE past, present and future

Study of bound states in 10Be by one neutron removal reactions of 11Be

Ground-state configuration of neutron-rich Al-35 via Coulomb breakup

2017

Effective proton-neutron interaction near the drip line from unbound states in F-25,F-26

2017

Determination of the neutron-capture rate of C-17 for r-process nucleosynthesis

2016

Experimental study of the O-15(2p, gamma) Ne-17 cross section by Coulomb Dissociation for the rp process

2016

Exclusive measurements of quasi-free proton scattering reactions in inverse and complete kinematics

What's next in nuclear physics with RIB's

2016

Direct experimental evidence for a multiparticle-hole ground state configuration of deformed Mg-33

2016

Coulomb and nuclear excitations of narrow resonances in 17Ne

2016

Nuclear astrophysics with radioactive ions at FAIR

Beta-delayed proton emission from 20Mg

2016

Coulomb dissociation of 20,21 N

2016

Systematic investigation of projectile fragmentation using beams of unstable B and C isotopes

MULTI-PARTICLE EMISSION FROM Ar-31 AT ISOLDE

Nucleus: A Trip into the Heart of Matter

Beta-delayed proton emission from 21Mg

Studies of continuum states in (16) Ne using three-body correlation techniques

2015

Systematic trends in beta-delayed particle emitting nuclei: The case of βpα emission from 21Mg

Light nuclei in the vicinity of the dripline and beyond

12C+p resonant elastic scattering in the Maya active target

Highlights at ISOLDE

B-13,B-14(n,gamma) via Coulomb Dissociation for Nucleosynthesis towards the r-Process

2014

Ground-state configuration of neutron-rich Aluminum isotopes through Coulomb breakup

STUDY OF THE O-15(2p,gamma)Ne-17 CROSS SECTION BY COULOMB DISSOCIATION OF Ne-17 FOR THE rp PROCESS OF NUCLEOSYNTHESIS

2014

Be-11(beta p), a quasi-free neutron decay?

2014

Exclusive measurements of nuclear breakup reactions of 17Ne

2014

Multiparticle emission in the decay of Ar-31

2014

First Observation of the Unbound Nucleus Ne-15

Halo Influence on RIB Physics

2014

Study of ground state wave-function of the Neutron-rich 29,30Na isotopes through coulomb breakup

2014

Sizeable beta-strength in Ar-31 (beta 3p) decay

2014

Thermonuclear reaction S-30(p,gamma)Cl-31 studied via Coulomb breakup of Cl-31

2013

Experimental study of bound states in Be-12 through low-energy Be-11(d,p)-transfer reactions

2013

Structure of the unbound nucleus Be-13: One-neutron knockout reaction data from Be-14 analyzed in a holistic approach

2013

Beyond the neutron drip line: The unbound oxygen isotopes O-25 and O-26

Rare beta p decays in light nuclei

2013

Relative proton and gamma widths of astrophysically important states in S-30 studied in the beta-delayed decay of Ar-31

2013

Study of the Be14 continuum: Identification and structure of its second 2+ state

2013

Coulomb breakup of 17Ne from the viewpoint of nuclear astrophysics

2013

Momentum profile analysis in one-neutron knockout from Borromean nuclei

Is there a low-lying 1(-) state in He-10?

2012

One-neutron removal reactions on Al isotopes around the N=20 shell closure

2012

Improved Limit on Direct α Decay of the Hoyle State

Gamma-ray measurements in the one-neutron knockout of C-17, N-19, O-21 and F-25

Storage ring at HIE-ISOLDE

AGATA-Advanced GAmma Tracking Array

One-neutron knockout from Sc51-55

2012

Properties of C-12 resonances determined from the B-10(He-3, p alpha alpha alpha) and B-11(He-3, d alpha alpha alpha) reactions studied in complete kinematics

2011

Precise and accurate determination of the B-8 decay spectrum

2011

The 8Li + 2H reaction studied in inverse kinematics at 3.15 MeV/nucleon using the REX-ISOLDE post-accelerator

The electron-ion scattering experiment ELISe at the International Facility for Antiproton and Ion Research (FAIR)-A conceptual design study

12C formation: A classical quest in new light

2011

Matter radii of 32-35Mg

Properties of resonances in 12C above the triple-alpha threshold

2011

Structure of 22N and the N=14 subshell

2011

Exploring the anomaly in the interaction cross section and matter radius of 23O

The 8B neutrino spectrum

One-neutron knockout of n-rich Ne isotopes at relativistic energies

The unbound isotopes He-9,He-10

2010

One-neutron knockout from light neutron-rich nuclei at relativistic energies

Structure of Mg-33 sheds new light on the N=20 island of inversion

2010

Breakup of 12C resonances into three α particles

2010

One-neutron knockout from Ne24-28 isotopes

Three-body correlations in the decay of He-10 and Li-13

2010

R-matrix analysis of the beta decays of 12N and 12B

Observation of gamma-delayed 3 alpha breakup of the 15.11 and 12.71 MeV states in C-12

Branching ratios in the beta decays of N-12 and B-12

Breakup channels for C-12 triple-alpha continuum states

Shell Closure N=16 in O-24

One-Neutron Removal Measurement Reveals O-24 as a New Doubly Magic Nucleus

Properties of the 7He ground state from 8He neutron knockout

Nuclear Structure of C-12 from Break-up Studies in Complete Kinematics

Neutron Knockout at Relativistic Energies across the Psd Shell

Kinematic identification of the t branch in the decay of 11Li

Precise branching ratios to unbound 12C states from 12N and 12B [beta]-decays

Structure of 55Ti from relativistic one-neutron knockout

Evidence of a new state in Be-11 observed in the Li-11 beta-decay

¹¹Li structure from experimental data

beta-delayed particle studies of the halo nucleus Li-11 and its core Li-9

Study of β-delayed charged particle emission of 11Li: Evidence of new decay channels

Lithium isotopes beyond the drip line

Probing the single particle structure around Ca-54 with one-neutron knock-out

Study of $[$beta$]$-delayed 3-body and 5-body breakup channels observed in the decay of 11Li

The β-decay approach for studying 12C

STUDIES OF C-12 USING beta-DECAYS

Multiple particle break-up study of low excited states in Be-9: The ghost peak in the Be-8 excitation energy spectrum visited

Coulomb Excitation of 68,70Cu: First Use of Postaccelerated Isomeric Beams

Systematic investigation of the drip-line nuclei 11Li and 14Be and their unbound subsystems 10Li and 13Be

2006

Study of Li-10 via the Li-9(H-2, p) reaction at REX-ISOLDE

Investigation of the Li-9+H-2 -> Li-8+t reaction at REX-ISOLDE

Clarification of the low-lying states of Be-9

Structure of neutron-rich oxygen isotopes

Low-lying resonance states in the Be-9 continuum

Coulomb excitation of neutron-rich beams at REX-ISOLDE

One-neutron knockout of 23O

Properties of the C-12 10 MeV state determined through beta-decay

Proceedings of the 22nd International Nuclear Physics Conference (Part 1), Göteborg, Sweden, 27 June-2 July, 2004

Beta-decay of 13O

Three-body correlations in electromagnetic dissociation of Borromean nuclei: The He-6 case

Low energy reactions with radioactive ions at REX-ISOLDE - the Li-9+H-2 case

The neutron-rich Mg isotopes: first results from MINIBALL at REX-ISOLDE

Proceedings of the 22nd International Nuclear Physics Conference (Part 2), Göteborg, Sweden, 27 June-2 July, 2004

Revised rates for the stellar triple-alpha process from measurement of C-12 nuclear resonances

"Safe" Coulomb excitation of Mg-30

One-neutron knockout of O-23

2004

Shell Structure of the Near-Dripline Nucleus 23O

Beta-delayed multiparticle emission studies at ISOL-type facilities

New information on the beta-decay of Li-11 from Doppler broadened gamma lines

News on C-12 from beta-decay studies

The beta-decay of Li-9 to the high lying states in Be-9

Light dripline nuclei

REX-ISOLDE - experiences from the first year of operation

Núcleo Uma viagem ao coracão da matéria

Light dripline nuclei

Asymmetry in the super-allowed beta-transitions of the A=9 isobars

Accelerated radioactive beams from REX-ISOLDE

Two- and three-body correlations: breakup of halo nuclei

Large asymmetry in the strongest beta-transition for A=9

Nuclear and Coulomb breakup of 8B

Experimental evidence for the 8B ground state configuration

Proton dripline studies at ISOLDE: Ar-31 and C-9

Evidence for a new low-lying resonance state in 7He

Search for beta-delayed charged particles from the halo nucleus Be-14

News on beta delayed particle emission from Be-14

Deriving the angular variation of p(parallel to)-distributions for halo neutrons with robust statistics

He-8-He-6: a comparative study of nuclear fragmentation reactions

On the beta-decay of C-9

Analysis of decay data from neutron-rich nuclei

Crossing the dripline to N-11 using elastic resonance scattering

The beta 2p decay mechanism of Ar-31

A correlated background in invariant mass spectra of three-body systems

The REX-ISOLDE project

Halo excitations in fragmentation of He-6 at 240 MeV/u on carbon and lead targets

Ar-31 examined: New limit on the beta-delayed three-proton branch

New information on β-delayed neutron emission from 12,14Be

Core-breakup reactions of the halo nuclei Be-11 and Li-11: momentum distributions and shadow effects

Two-proton emission in the decay of Ar-31

Beta decay of Ar-31

Longitudinal momentum distributions of C-16,C-18 fragments after one-neutron removal from C-17,C-19

Invariant mass spectrum and alpha-n correlation function studied in the fragmentation of He-6 on a carbon target

Elucidating halo structure by beta decay: beta gamma from the Li-11 decay

Probing the Li-11 halo structure through beta-decay into the Be-11(*) (18 MeV) state

Large spin alignment of the unbound He-5 fragment after fragmentation of 240 MeV/nucleon He-6

Super-strong beta-decay of Li-11 into Be-11* (18 MeV) state: A probe for halo p-wave component?

Invariant-mass spectroscopy of Li-10 and Li-11

He-6 and neutron momentum distributions from He-8 in nuclear break-up reactions at 240 MeV/u

Neutrons from the breakup of C-19

Fine structure in the beta-delayed proton decay of Ar-33

Observation of the Li-11(beta d) decay

Study of the unbound nucleus N-11 by elastic resonance scattering

Dissociation of He-8 into He-6+N+X at 240 Mev/U

Projectile Coulomb-Excitation with Fast Radioactive Beams

Longitudinal and Transverse-Momentum Distributions of Li-9 Fragments from Break-up of Li-11

Neutron Momentum Distributions from Core Break-up Reactions of Halo Nuclei

Study of the Unstable Nucleus Li-10 in Stripping Reactions of the Radioactive Projectiles Be-11 and Li-11

Search for Forbidden Beta-Decays of the Drip-Line Nucleus Be-12

Exclusive and Restricted-Inclusive Reactions Involving the Be-11 One-Neutron Halo

Beta-Decay to the Proton Halo State in F-17

Dissociation Reactions of the Be-11 One-Neutron Halo - the Interplay between Structure and Reaction-Mechanism

Study of Charged-Particles Emitted in the Beta-Decay of He-6,He-8

The New Cern-Isolde Online Mass-Separator Facility at the Ps-Booster

Experimental-Determination of Cross-Talk between Neutron Detectors

Study of Neutron Rich Neon Isotopes

Super-Allowed Beta-Decay of Nuclei at the Drip-Line

The Decay of Ar-31

The Beta-Decay of Li-9 to Levels in Be-9 - a New Look

Observation of Forward Neutrons from the Break-up of the Li-11 Neutron Halo

1st Observation of Beta-Delayed Deuteron Emission

Applications of Statistical Nuclear-Physics to Nuclear Spectroscopy

Micromachining of Silicon for Thermal and Position-Sensitive Nuclear-Detector Applications

The Axial-Vector Strength in the Proton-Rich Argon Isotopes

Beta-Delayed Proton and Alpha Emission in the Decay of Ne-17

Candidates for Electron-Neutrino Mass Measurements - the Case of Kr-81

Study of the Giant Gamow-Teller Resonance in Nuclear Beta-Decay - the Case of Ar-33

The Neutron Halo of Extremely Neutron-Rich Nuclei

Mechanisms for K X-Ray-Energy Shifts

The Doubly Closed Shell Nucleus Sn-132(50)82

Beta-Delayed Triton Emission in the Decay of He-8

Bolometers as Particle Spectrometers

Limits on Neutrino-Mixing from the Internal Bremsstrahlung Spectrum of I-125

The Internal Bremsstrahlung Spectra from the Ec Beta-Decay of Pt-193 and Ho-163

Study of the Giant Gamow-Teller Resonance in Nuclear Beta-Decay - the Case of Ar-32

A Composite Bolometer as a Charged-Particle Spectrometer

New Limits on the Single-Gamma-Decay of Orthopositronium

Observation of Beta-Delayed Triton Emission

Is There Neutron Proton Pairing in Medium Heavy-Nuclei

Decay of (86)Rn-210(124) to Levels in (85)at-210(125)

Beta-delayed proton emission from isotopes of mercury, cesium, xenon and krypton