Characterization of vorticity in pygmy resonances and soft-dipole modes with two-nucleon transfer reactions

Broglia, R. A.; Barranco, F.; Potel, G.; Vigezzi, E.

doi:10.1140/epja/i2019-12789-y

Title: Characterization of vorticity in pygmy resonances and soft-dipole modes with two-nucleon transfer reactions

Abstract

The properties of the two-quasiparticle-like soft E1-modes and Pygmy Dipole Resonances (PDR) have been and are systematically studied here with the help of inelastic and electromagnetic experiments which essentially probe the particle-hole components of these vibrations. It is demonstrated that further insight in their characterisation can be achieved with the help of two-nucleon transfer reactions, in particular concerning the particle-particle components of the modes, in terms of absolute differential cross sections which take properly into account successive and simultaneous transfer mechanisms corrected for non-orthogonality, able to reproduce the experimental findings at the 10% level. The process ⁹Li(t, p)¹¹Li(1^-) is discussed, and absolute cross sections predicted.

Authors:

Broglia, R. A. ^[1]; Barranco, F. ^[2]; Potel, G. ^[3]; Vigezzi, E. ^[4]

Univ. of Copenhagen (Denmark); Univ. degli Studi di Milano (Italy)
Univ. of Seville (Spain)
Michigan State Univ., East Lansing, MI (United States)
Istituto Nazionale di Fisica Nucleare (INFN), Milano (Italy)

Publication Date:: 2019-12-03

Research Org.:: Michigan State Univ., East Lansing, MI (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP)

OSTI Identifier:: 1598850

Grant/Contract Number:: SC0013617

Resource Type:: Accepted Manuscript

Journal Name:: European Physical Journal. A

Additional Journal Information:: Journal Volume: 55; Journal Issue: 12; Journal ID: ISSN 1434-6001

Publisher:: Springer

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Broglia, R. A., Barranco, F., Potel, G., and Vigezzi, E. Characterization of vorticity in pygmy resonances and soft-dipole modes with two-nucleon transfer reactions.  United States: N. p., 2019. 
Web.  https://doi.org/10.1140/epja/i2019-12789-y.

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                    Broglia, R. A., Barranco, F., Potel, G., & Vigezzi, E. Characterization of vorticity in pygmy resonances and soft-dipole modes with two-nucleon transfer reactions.  United States.  https://doi.org/10.1140/epja/i2019-12789-y

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                    Broglia, R. A., Barranco, F., Potel, G., and Vigezzi, E. Tue .  
"Characterization of vorticity in pygmy resonances and soft-dipole modes with two-nucleon transfer reactions".  United States.  https://doi.org/10.1140/epja/i2019-12789-y.  https://www.osti.gov/servlets/purl/1598850.

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@article{osti_1598850,

  title        = {Characterization of vorticity in pygmy resonances and soft-dipole modes with two-nucleon transfer reactions},

  author       = {Broglia, R. A. and Barranco, F. and Potel, G. and Vigezzi, E.},

  abstractNote = {The properties of the two-quasiparticle-like soft E1-modes and Pygmy Dipole Resonances (PDR) have been and are systematically studied here with the help of inelastic and electromagnetic experiments which essentially probe the particle-hole components of these vibrations. It is demonstrated that further insight in their characterisation can be achieved with the help of two-nucleon transfer reactions, in particular concerning the particle-particle components of the modes, in terms of absolute differential cross sections which take properly into account successive and simultaneous transfer mechanisms corrected for non-orthogonality, able to reproduce the experimental findings at the 10% level. The process 9Li(t, p)11Li(1-) is discussed, and absolute cross sections predicted.},

  doi          = {10.1140/epja/i2019-12789-y},

  journal      = {European Physical Journal. A},

  number       = 12,

  volume       = 55,

  place        = {United States},

  year         = {2019},

  month        = {12}

}

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Title: Characterization of vorticity in pygmy resonances and soft-dipole modes with two-nucleon transfer reactions

Abstract

Citation Formats

Cooper pair transfer in nuclei journal, October 2013

Lifetime measurements in Gd 156 journal, September 2018

Radioactive beams and inverse kinematics: Probing the quantal texture of the nuclear vacuum journal, July 2019

Exotic radioactivity as a superfluid tunneling phenomenon journal, February 1988

Evidence of Soft Dipole Resonance in Li 11 with Isoscalar Character journal, May 2015

Microscopic Theory of Superconductivity journal, April 1957

Pairing Nambu-Goldstone Modes within Nuclear Density Functional Theory journal, April 2016

Order of Levels in the Shell Model and Spin of Be 11 journal, May 1960

Pairing isomers journal, June 1976

Beta-vibrations in even nuclei journal, November 1963

Pygmy resonances: what’s in a name? journal, August 2019

Unexpected Strong Pair Correlations in Excited 0 + States of Actinide Nuclei journal, August 1970

The halo of the exotic nucleus 11Li: a single Cooper pair journal, October 2001

Theory of Superconductivity journal, December 1957

Evolution of Nuclear Shells due to the Tensor Force journal, November 2005

“Stiff” deformed nuclei, configuration dependent pairing and the $\beta$ β and $\gamma$ γ degrees of freedom journal, February 2019

Measurement of the Two-Halo Neutron Transfer Reaction H 1 ( Li 11 , Li 9 ) H 3 at 3 A MeV journal, May 2008

Considerations on the Flow of Superfluid Helium journal, April 1966

Parity inversion in the N=7 isotones and the pairing blocking effect journal, July 1993

Possible new effects in superconductive tunnelling journal, July 1962

Nature of Low-Energy Dipole Strength in Nuclei: The Case of a Resonance at Particle Threshold in P 208 b journal, December 2002

Unified description of structure and reactions: implementing the nuclear field theory program journal, May 2016

BCS and IBM journal, April 1989

Large-amplitude motion in superfluid fermi droplets journal, January 1990

Structure and Reactions of Be 11 : Many-Body Basis for Single-Neutron Halo journal, August 2017

Evidence for Phonon Mediated Pairing Interaction in the Halo of the Nucleus Li 11 journal, October 2010

Bound Electron Pairs in a Degenerate Fermi Gas journal, November 1956

Quantitative study of coherent pairing modes with two-neutron transfer: Sn isotopes journal, May 2013

Pairing resonances and the continuum spectroscopy of 10Li journal, June 2009

On the convergence of the nuclear field theory perturbation expansion for strongly anharmonic systems journal, May 1978

Coherence properties of two-neutron transfer reactions and their relation to inelastic scattering journal, July 1971

Pairing vibrations journal, May 1966

Search for (t, p) transitions to excited 0+ states in the actinide region journal, July 1972

Quantum calculation of vortices in the inner crust of neutron stars journal, January 2007

Vortex–nucleus interaction in the inner crust of neutron stars journal, October 2008

Observation of Strong Low-Lying E 1 Strength in the Two-Neutron Halo Nucleus Li 11 journal, June 2006

Probing isospin dynamics in halo nuclei journal, January 2001

Difference between stable and exotic nuclei: medium polarization effects journal, April 2010

Toroidal nature of the low-energy E 1 mode journal, February 2013

Bound state properties of Borromean halo nuclei: 6He and 11Li journal, August 1993

Cooper pair transfer in nuclei
journal, October 2013

Lifetime measurements in ${}^{156}{Gd}$
journal, September 2018

Radioactive beams and inverse kinematics: Probing the quantal texture of the nuclear vacuum
journal, July 2019

Exotic radioactivity as a superfluid tunneling phenomenon
journal, February 1988

Evidence of Soft Dipole Resonance in ${}^{11}{Li}$ with Isoscalar Character
journal, May 2015

Microscopic Theory of Superconductivity
journal, April 1957

Pairing Nambu-Goldstone Modes within Nuclear Density Functional Theory
journal, April 2016

Order of Levels in the Shell Model and Spin of ${Be}^{11}$
journal, May 1960

Pairing isomers
journal, June 1976

Beta-vibrations in even nuclei
journal, November 1963

Pygmy resonances: what’s in a name?
journal, August 2019

Unexpected Strong Pair Correlations in Excited $0^{+}$ States of Actinide Nuclei
journal, August 1970

The halo of the exotic nucleus 11Li: a single Cooper pair
journal, October 2001

Theory of Superconductivity
journal, December 1957

Evolution of Nuclear Shells due to the Tensor Force
journal, November 2005

“Stiff” deformed nuclei, configuration dependent pairing and the $\beta$ β and $\gamma$ γ degrees of freedom
journal, February 2019

Measurement of the Two-Halo Neutron Transfer Reaction ${}^{1}H ({}^{11}{Li}, {}^{9}{Li}) {}^{3}H$ at $3 A MeV$
journal, May 2008

Considerations on the Flow of Superfluid Helium
journal, April 1966

Parity inversion in the N=7 isotones and the pairing blocking effect
journal, July 1993

Possible new effects in superconductive tunnelling
journal, July 1962

Nature of Low-Energy Dipole Strength in Nuclei: The Case of a Resonance at Particle Threshold in ${}^{208}P b$
journal, December 2002

Unified description of structure and reactions: implementing the nuclear field theory program
journal, May 2016

BCS and IBM
journal, April 1989

Large-amplitude motion in superfluid fermi droplets
journal, January 1990

Structure and Reactions of ${}^{11}{Be}$ : Many-Body Basis for Single-Neutron Halo
journal, August 2017

Evidence for Phonon Mediated Pairing Interaction in the Halo of the Nucleus ${}^{11}{Li}$
journal, October 2010

Bound Electron Pairs in a Degenerate Fermi Gas
journal, November 1956

Quantitative study of coherent pairing modes with two-neutron transfer: Sn isotopes
journal, May 2013

Pairing resonances and the continuum spectroscopy of 10Li
journal, June 2009

On the convergence of the nuclear field theory perturbation expansion for strongly anharmonic systems
journal, May 1978

Coherence properties of two-neutron transfer reactions and their relation to inelastic scattering
journal, July 1971

Pairing vibrations
journal, May 1966

Search for (t, p) transitions to excited 0+ states in the actinide region
journal, July 1972

Quantum calculation of vortices in the inner crust of neutron stars
journal, January 2007

Vortex–nucleus interaction in the inner crust of neutron stars
journal, October 2008

Observation of Strong Low-Lying $E 1$ Strength in the Two-Neutron Halo Nucleus ${}^{11}{Li}$
journal, June 2006

Probing isospin dynamics in halo nuclei
journal, January 2001

Difference between stable and exotic nuclei: medium polarization effects
journal, April 2010

Toroidal nature of the low-energy $E 1$ mode
journal, February 2013

Bound state properties of Borromean halo nuclei: 6He and 11Li
journal, August 1993