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Soft giant resonance in two neutron halo nucleus 11Li

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Abstract.

Lithium-11 is a showcase of neutron halos and has been providing new insight to nuclear structure researches. Recently, an isoscalar resonance at low excitation energy (\( E_\mathrm{x} \sim 1\) MeV) has been confirmed by the development of a low-energy high-intensity beam of 11Li at TRIUMF. By inelastic scattering measurements \( (\mathrm{p}, \mathrm{p}^{\prime})\) and \( (\mathrm{d}, \mathrm{d}^{\prime})\) with inverse kinematics, the first excited state of 11Li has been studied in detail and an isoscalar nature of the transitions has been confirmed and a strong transition amplitude has been observed indicating the soft-resonance of 11Li. Those recent experimental results on the excitation of the soft resonance are described and then recent theoretical developments based on the four-body continuum-discretized coupled-channels 11Li + p system are presented together with a brief history of the resonance search in 11Li.

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Author information

Authors and Affiliations

  1. IRCNPC and School of Physics, Beihang University, 100191, Beijing, China

    Isao Tanihata

  2. RCNP, Osaka University, 567-0047, Osaka, Japan

    Isao Tanihata & Kazuyuki Ogata

Authors
  1. Isao Tanihata
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  2. Kazuyuki Ogata
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Corresponding author

Correspondence to Isao Tanihata.

Additional information

Communicated by N. Alamanos

Data Availability Statement

This manuscript has no associated data or the data will not be deposited. [Authors’ comment: All data generated during this study are contained in this published article.]

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Tanihata, I., Ogata, K. Soft giant resonance in two neutron halo nucleus 11Li. Eur. Phys. J. A 55, 239 (2019). https://doi.org/10.1140/epja/i2019-12852-9

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