Christian Forssen

Biträdande professor at Chalmers, Physics, Subatomic and Plasma Physics

Projects

2013–2017

Climbing the quantum ladder

Christian Forssen Subatomic and Plasma Physics
The Swedish Foundation for International Cooperation in Research and Higher Education (STINT)

There might be more projects where Christian Forssen participates, but you have to be logged in as a Chalmers employee to see them.

Publications

2016

Uncertainty quantification for proton-proton fusion in chiral effective field theory

B. Acharya, B.D Carlsson, A Ekström et al
Physics Letters B. Vol. 760, p. 584-589
Scientific journal article - peer reviewed
2016

Range corrections in proton halo nuclei

Emil Ryberg, Christian Forssén, H. W. Hammer et al
Annals of Physics. Vol. 367, p. 13-32
Scientific journal article - peer reviewed
2016

Fast and Accurate Evaluation of Wigner 3j, 6j, and 9j Symbols Using Prime Factorization and Multiword Integer Arithmetic

Håkan T. Johansson, Christian Forssén,
Siam Journal on Scientific Computing. Vol. 38 (1), p. A376-A384
Scientific journal article - peer reviewed
2016

Uncertainty Analysis and Order-by-Order Optimization of Chiral Nuclear Interactions

Boris Carlsson, A. Ekstrom, Christian Forssén et al
Physical Review X. Vol. 6 (1)
Scientific journal article - peer reviewed
2016

Neutron and weak-charge distributions of the Ca-48 nucleus

G. Hagen, A. Ekstrom, Christian Forssén et al
Nature Physics. Vol. 12 (2), p. 186–190
Scientific journal article - peer reviewed
2016

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

J. Marganiec, F. Wamers, F. Aksouh et al
Journal of Physics, Conference Series. Vol. 665
Scientific journal article - peer reviewed
2015

Strongly Interacting Few-Fermion Systems in a Trap

Christian Forssén, Rikard Lundmark, Jimmy Rotureau et al
Few-Body Systems. Vol. 56 (11-12), p. 837-844
Scientific journal article - peer reviewed
2015

Quantum magnetism in strongly interacting one-dimensional spinor Bose systems

A. Dehkharghani, A. Volosniev, Jonathan Lindgren et al
Scientific Reports. Vol. 5
Scientific journal article - peer reviewed
2015

Infrared length scale and extrapolations for the no-core shell model

K. A. Wendt, Christian Forssén, T. Papenbrock et al
Physical Review C. Nuclear Physics. Vol. 91 (6), p. Art. no. 061301
Scientific journal article - peer reviewed
2015

Tunneling theory for tunable open quantum systems of ultracold atoms in one-dimensional traps

Rikard Lundmark, Christian Forssén, Jimmy Rotureau et al
Physical Review A. Vol. 91 (4)
Scientific journal article - peer reviewed
2015

Statistical uncertainties of a chiral interaction at next-to-next-to leading order

A. Ekstrom, Boris Carlsson, K. A. Wendt et al
Journal of Physics G-Nuclear and Particle Physics. Vol. 42 (3)
Scientific journal article - peer reviewed
2015

Accurate nuclear radii and binding energies from a chiral interaction

A. Ekstrom, G. R. Jansen, K. A. Wendt et al
Physical Review C. Nuclear Physics. Vol. 91 (5)
Scientific journal article - peer reviewed
2014

Ab initio no core full configuration approach for light nuclei

Y. Kim, I. J. Shin, P. Maris et al
Chiral Symmetry in Hadrons and Nuclei, p. 78-85
Conference paper - peer reviewed
2014

Constraining low-energy proton capture on beryllium-7 through charge radius measurements

Emil Ryberg, Christian Forssén, Hans-Werner Hammer et al
European Physical Journal A. Vol. 50 (11), p. 170-182
Scientific journal article - peer reviewed
2014

Ab initio no core full configuration approach for light nuclei

Youngman Kim, Ik Jae Shin, Pieter Maris et al
International Journal of Modern Physics E. Vol. 23 (7), p. Article no. 1461004
Conference paper - peer reviewed
2014

Fermionization of two-component few-fermion systems in a one-dimensional harmonic trap

E. J. Lindgren, Jimmy Rotureau, Christian Forssén et al
New Journal of Physics. Vol. 16
Scientific journal article - peer reviewed
2014

Exclusive measurements of nuclear breakup reactions of 17Ne

F. Wamers, J. Marganiec, F. Aksouh et al
EPJ Web of Conferences. Vol. 66
Conference paper - peer reviewed
2014

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

J. Marganiec, F. Wamers, F. Aksouh et al
Acta Physica Polonica B. Vol. 45 (2), p. 229-234
Conference paper - peer reviewed
2014

Effective field theory for proton halo nuclei

Emil Ryberg, Christian Forssén, H. W. Hammer et al
Physical Review C. Nuclear Physics. Vol. 89 (1)
Scientific journal article - peer reviewed
2014

Microscopic description of translationally invariant core+N+N overlap functions

Daniel Sääf, Christian Forssén,
Physical Review C. Nuclear Physics. Vol. 89 (1), p. 011303
Scientific journal article - peer reviewed
2013

Coulomb breakup of 17Ne from the viewpoint of nuclear astrophysics

C. Marganiec, F Aksouh, Y Aksyutina et al
Proceedings of Science
Conference paper - peer reviewed
2013

Optimized Chiral Nucleon-Nucleon Interaction at Next-to-Next-to-Leading Order

A. Ekstrom, G. Baardsen, Christian Forssén et al
Physical Review Letters. Vol. 110 (19), p. Art. no. 192502
Scientific journal article - peer reviewed
2013

Systematics of 2+ states in C isotopes from the no-core shell model

Christian Forssén, R. Roth, P. Navratil et al
Journal of Physics G: Nuclear and Particle Physics. Vol. 40 (5), p. 055105
Scientific journal article - peer reviewed
2013

Living on the edge of stability, the limits of the nuclear landscape

Christian Forssén, G. Hagen, M. Hjorth-Jensen et al
Physica Scripta. Vol. T152, p. 014022
Scientific journal article - peer reviewed
2012

Structure of C-16: Testing shell model and ab initio approaches

M. Petri, S. Paschalis, R. M. Clark et al
Physical Review C. Vol. 86 (4), p. Art. no. 044329
Scientific journal article - peer reviewed
2012

Reorientation-effect measurement of the (2+ 1 Eˆ22+ 1) matrix element in 10Be

J. N. Orce, T. E. Drake, M. K. Djongolov et al
Physical Review C. Vol. 86 (4)
Scientific journal article - peer reviewed
2012

Excited-state transition-rate measurements in C-18

P. Voss, T. Baugher, D. Bazin et al
Physical Review C. Vol. 86 (1)
Scientific journal article - peer reviewed
2011

The similarity renormalization group for three-body interactions in one dimension

O. Åkerlund, E. J. Lindgren, J. Bergsten et al
European Physical Journal A. Vol. 47 (10)
Scientific journal article - peer reviewed
2011

The ab initio No-Core Shell Model and Light Nuclei

Christian Forssén, P. Navratil, S. Quaglioni et al
Few-Body Systems. Vol. 49 (1-4), p. 11-18
Scientific journal article - peer reviewed
2010

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

Håkan T. Johansson, Yuliya Aksyutina, T. Aumann et al
Nuclear Physics A. Vol. 847 (1-2), p. 66-88
Scientific journal article - peer reviewed
2010

Resonance parameters of the first 1/2+ state in 9Be and astrophysical implications

O. Burda, P. von Neumann-Cosel, A. Richter et al
Physical Review C. Vol. 82 (1)
Scientific journal article - peer reviewed
2010

The unbound isotopes He-9,He-10

Håkan T. Johansson, Yuliya Aksyutina, T. Aumann et al
Nuclear Physics A. Vol. 842, p. 15-32
Scientific journal article - peer reviewed
2009

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

Yuliya Aksyutina, Håkan T. Johansson, T. Aumann et al
Physics Letters B. Vol. 679 (3), p. 191 - 196
Scientific journal article - peer reviewed
2009

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

S. Hyldegaard, Christian Forssén, C.Aa. Diget et al
Physics Letters B. Vol. 678 (5), p. 459 - 464
Scientific journal article - peer reviewed
2009

The Ab Initio No-core Shell Model

Christian Forssén, J Christensson, P. Navrátil et al
Few-Body Systems. Vol. 45 (2), p. 111
Conference paper - peer reviewed
2009

Effective-interaction approach to the many-boson problem

J Christensson, Christian Forssén, S Åberg et al
Physical Review A. Vol. 79 (1), p. 012707
Scientific journal article - peer reviewed
2009

Charge radii and electromagnetic moments of Li and Be isotopes from the ab initio no-core shell model

Christian Forssén, E. Caurier, P. Navrátil et al
Physical Review C (Rapid Communications). Vol. 79 (2), p. 021303(R)
Scientific journal article - peer reviewed
2008

Surrogate reactions: the Weisskopf-Ewing approximation and its limitations

J. Escher, L. A. Bernstein, J. Burke et al
Proceedings of the International Conference on Nuclear Data for Science and Technology, April 22-27, 2007, Nice, France, editors O.Bersillon, F.Gunsing, E.Bauge, R.Jacqmin, and S.Leray, EDP Sciences, p. 325-329
Conference paper - peer reviewed
2008

Lithium isotopes beyond the drip line

Yu Aksyutina, Håkan T. Johansson, P. Adrich et al
Physics Letters B. Vol. 666 (5), p. 430-434
Scientific journal article - peer reviewed
2008

Converging sequences in the ab initio no-core shell model

Christian Forssén, J. P. Vary, E. Caurier et al
Physical Review C (Nuclear Physics). Vol. 77 (2), p. 024301-6
Scientific journal article - peer reviewed
2008

The [sup 14]C(n,gamma) cross section between 10 keV and 1 MeV

R. Reifarth, M. Heil, Christian Forssén et al
Physical Review C (Nuclear Physics). Vol. 77 (1), p. 015804
Scientific journal article - peer reviewed
2007

Determining neutron capture cross sections via the surrogate reaction technique

Christian Forssén, F. S. Dietrich, J. Escher et al
Physical Review C. Vol. 75 (5), p. 055807
Scientific journal article - peer reviewed
2007

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

H. Simon, Mikael Meister, T. Aumann et al
Nuclear Physics A. Vol. 791 (3-4), p. 267
Scientific journal article - peer reviewed
2007

Surrogate nuclear reaction methods for astrophysics

J. Escher, F. S. Dietrich, Christian Forssén et al
Nuclear Instruments and Methods in Physics Research B. Vol. 261, p. 1075-1078
Conference paper - peer reviewed
2006

Cross sections of light-ion reactions calculated from ab initio wave functions

Christian Forssén, P. Navrátil, W.E. Ormand et al
Proceedings of Science, PoS(NIC-IX), p. 041
Conference paper - peer reviewed
2006

Surrogate Nuclear Reactions - An Indirect Approach to Compound-Nucleus Reactions

J. Escher, L. Ahle, L. A. Bernstein et al
Acta Phys. Hung. A. Vol. 25, p. 211-218
Conference paper - peer reviewed
2006

Compound-nuclear reactions via Surrogate measurements

Christian Forssén, F.S. Dietrich, J. Escher et al
Proceedings of Science, PoS(NIC-IX), p. 224
Conference paper - peer reviewed
2006

Direct measurement of stellar neutron capture rates of 14C and comparison with the Coulomb breakup method

R. Reifarth, M. Heil, R. Plag et al
Proceedings of Science, PoS(NIC-IX), p. 223
Conference paper - peer reviewed
2005

Surrogate Nuclear Reactions and the origin of the heavy elements

J. Escher, L. Ahle, L. Bernstein et al
Nucl. Phys. A. Vol. 758, p. 86-89
Conference paper - peer reviewed
2005

Determining neutron capture cross sections with the Surrogate Reaction Technique: Measuring decay probabilities with STARS

J.A. Church, L. Ahle, L.A. Bernstein et al
Nucl. Phys. A. Vol. 758, p. 126-129
Conference paper - peer reviewed
2005

Theoretical challenges of determining low-energy neutron-capture cross sections via the Surrogate Technique

Christian Forssén, L. Ahle, L. A. Bernstein et al
Nucl. Phys. A. Vol. 758, p. 130-133
Conference paper - peer reviewed
2005

Ab initio no-core shell model calculations using realistic two- and three-body interactions

P. Navrátil, W. E. Ormand, Christian Forssén et al
Euro. Phys. Jour. A. Vol. 25, p. 481-484
Conference paper - peer reviewed
2005

Structure of neutron-rich oxygen isotopes

D. Cortina-Gil, J. Fernandez-Vazquez, T. Aumann et al
J. Phys. G. Vol. 31, p. S1629-S1632
Conference paper - peer reviewed
2005

Surrogate nuclear reactions: An indirect method for determining reaction cross sections

J. Escher, L. Ahle, L. Bernstein et al
J. Phys. G. Vol. 31, p. S1687-S1690
Conference paper - peer reviewed
2005

Large basis ab initio shell model investigation of 9Be and 11Be

Christian Forssén, P. Navrátil, W. E. Ormand et al
Physical Review C. Vol. 71, p. 044312
Scientific journal article - peer reviewed
2005

One-neutron knockout of O-23

D. Cortina-Gil, J. Fernandez-Vazquez, T. Aumann et al
European Physical Journal A. Vol. 25, p. 343-346
Conference paper - peer reviewed
2004

Shell Structure of the Near-Dripline Nucleus 23O

D. Cortina-Gil, J. Fernandez-Vazquez, T. Aumann et al
Phys. Rev. Lett.. Vol. 93, p. 062501
Scientific journal article - peer reviewed
2003

High-energy breakup of 8B

Mikael Meister, D. Cortina-Gil, J. Fernandez-Vazquez et al
Nucl. Phys. A. Vol. 718, p. 431-433
Conference paper - peer reviewed
2003

Analytical studies of 8B electromagnetic dissociation

Christian Forssén, V.D. Efros, N.B. Shul'gina et al
Nucl. Phys. A. Vol. 718, p. 434-436
Conference paper - peer reviewed
2003

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

H. Simon, T. Aumann, M. J. G. Borge et al
Nucl. Phys. A. Vol. 734, p. 17-21
Conference paper - peer reviewed
2003

Hyperfine structure of heavy hydrogen-like ions

P. Beiersdorfer, J. R. Crespo López-Urrutia, S. B. Utter et al
Nucl. Inst. Meth. Phys. B. Vol. 205, p. 62-65
Conference paper - peer reviewed
2003

Nuclear and Coulomb breakup of 8B

D. Cortina-Gil, J. Fernandez-Vazquez, F. Attallah et al
Nucl. Phys. A. Vol. 720, p. 3-19
Scientific journal article - peer reviewed
2003

Radiative capture and electromagnetic dissociation involving loosely bound nuclei: The 8B example

Christian Forssén, N. B. Shul'gina, Mikhail V. Zhukov et al
Phys. Rev. C. Vol. 67, p. 045801
Scientific journal article - peer reviewed
2002

Analytical E1 strength functions of two-neutron halo nuclei: the 6He example

Christian Forssén, V. D. Efros, Mikhail V. Zhukov et al
Nucl. Phys. A. Vol. 697, p. 639-654
Scientific journal article - peer reviewed
2002

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

Mikael Meister, K. Markenroth, D. Aleksandrov et al
Phys. Rev. Lett.. Vol. 88 (10), p. 102501-(4)
Scientific journal article - peer reviewed
2002

Analytical E1 strength functions of two-neutron halo nuclei: 11Li and 14Be

Christian Forssén, V. D. Efros, Mikhail V. Zhukov et al
Nucl. Phys. A. Vol. 706, p. 48-60
Scientific journal article - peer reviewed
2002

Analytical approach to electromagnetic processes in loosely bound nuclei: application to 8B

Christian Forssén, N.B. Shul'gina, Mikhail V. Zhukov et al
Phys. Lett. B. Vol. 549, p. 79-84
Scientific journal article - peer reviewed
2002

Experimental evidence for the 8B ground state configuration

D. Cortina-Gil, K. Markenroth, F. Attallah et al
Phys. Lett. B. Vol. 529, p. 36-41
Scientific journal article - peer reviewed
2001

Hyperfine structure of hydrogenlike thallium isotopes

Peter Beiersdorfer, Steven B. Utter, Keith L. Wong et al
Phys. Rev. A. Vol. 64, p. 032506
Scientific journal article - peer reviewed
2001

Analysis of decay data from neutron-rich nuclei

U. C. Bergmann, M. J. G. Borge, J. Cederkall et al
European Physical Journal A. Vol. 11 (3), p. 279-284
Scientific journal article - peer reviewed
2000

Thallium hyperfine anomaly

M. G. H. Gustavsson, Christian Forssén, A.-M. M\aartensson-Pendrill et al
Hyperfine Interactions. Vol. 127, p. 347-352
Conference paper - peer reviewed
2000

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

Christian Forssén, Björn Jonson, Mikhail V. Zhukov et al
Nucl. Phys. A. Vol. 673, p. 143-156
Scientific journal article - peer reviewed
1999

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

U. Bergmann, Leif Axelsson, M. J. G. Borge et al
Nucl. Phys. A. Vol. 658, p. 129-145
Scientific journal article - peer reviewed