Population of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow /><mml:mrow><mml:mn>10</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mi mathvariant="normal">Li</mml:mi></mml:math>by fragmentation

Thoennessen, M.; Yokoyama, Sumi; Azhari, A.; Baumann, T.; Brown, J.; Galonsky, A.; Hansen, P. G.; Kelley, J. H.; Kryger, R. A.; Ramakrishnan, E.; Thirolf, P. G.

doi:10.1103/physrevc.59.111

Cited by 96 publications

(81 citation statements)

References 32 publications

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“…It is clearly seen that the contribution of the s 1/2 wave is essential to describe the low energy part of the spectrum. Therefore, our calculations clearly support the existence of a low-lying virtual state, as found by other authors [15,17,20,22]. As for the p 1/2 contribution (thin solid line in Fig.…”

Section: Calculations and Comparison With Experimental Resultssupporting

confidence: 74%

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

Jeppesen¹,

Moro²,

Bergmann³

et al. 2006

Physics Letters B

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The 9 Li + 2 H reaction has been investigated at 2.36 MeV/u at the REX-ISOLDE facility. In this Letter we focus on the 10 Li + p channel which potentially holds spectroscopic information on the unbound nucleus 10 Li. The experimental excitation energy spectrum and angular distribution are compared with CCBA calculations. These calculations clearly support the existence of a low-lying (s) virtual state, with a (negative) scattering length of the order a s ∼ 13-24 fm and a p 1/2 resonance with an energy of E r 0.38 MeV and a width of Γ 0.2 MeV.

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Section: Calculations and Comparison With Experimental Resultssupporting

confidence: 74%

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

Jeppesen¹,

Moro²,

Bergmann³

et al. 2006

Physics Letters B

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“…[19][20][21]) that the ground state spin and parity of 17 C is 3/2 + coming from the coupling of a mixture of a s − d neutron to the first excited state of a 16 C core (2 + ), with the dominant component being the d. Starting with this ground state configuration in 17 C and assuming that the removal of two protons leaves the remaining neutrons undisturbed (e.g. [22][23][24]), the populated states in 15 Be should also have this complex structure. On the other hand, 14 Be has been of experimental and theoretical interest due to its 2n-halo structure.…”

Section: Discussionmentioning

confidence: 99%

Search for the15Be ground state

et al. 2011

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“…Such a state exists in 10 Li and was only observed after other higher lying resonances were well known [33]. With this in mind, we developed model S, described in Table I.…”

Section: Resultsmentioning

confidence: 99%

Three-body model for the two-neutron emission ofBe16

2017

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Background: While diproton decay was first theorized in 1960 and first measured in 2002, it was first observed only in 2012.The measurement of 14 Be in coincidence with two neutrons suggests that 16 Be does decay through the simultaneous emission of two strongly correlated neutrons.Purpose: In this work, we construct a full three-body model of 16 Be (as 14 Be + n + n) in order to investigate its configuration in the continuum and in particular the structure of its ground state.Method: In order to describe the three-body system, effective n-14 Be potentials were constructed, constrained by the experimental information on 15 Be. The hyperspherical R-matrix method was used to solve the three-body scattering problem, and the resonance energy of 16 Be was extracted from a phase shift analysis.Results: In order to reproduce the experimental resonance energy of 16 Be within this three-body model, a three-body interaction was needed. For extracting the width of the ground state of 16 Be, we use the full width at half maximum of the derivative of the three-body phase shifts and the width of the three-body elastic scattering cross section. Conclusions:Our results confirm a dineutron structure for 16 Be, dependent on the internal structure of the subsystem 15 Be.

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Population of10Liby fragmentation

Cited by 96 publications

References 32 publications

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

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

Search for the15Be ground state

Three-body model for the two-neutron emission ofBe16

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