One-neutron transfer study of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mrow /><mml:mn>135</mml:mn></mml:msup></mml:math>Te and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mrow /><mml:mn>137</mml:mn></mml:msup></mml:math>Xe by particle-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>γ</mml:mi></mml:math>coincidence spectroscopy: The<mml:math xmlns:mml="http://www.w3.org/1998/Math/Math

Allmond, J. M.; Radford, D. C.; Pavan, J.; Lagergren, K.; Baktash, C.; Beene, J. R.; Bingham, C. R.; Chaturvedi, L.; Danchev, M.; Fong, D.; Galindo-Uribarri, A.; Hausladen, Paul; Hwang, J. K.; Królas, W.; Liang, J. F.; Padilla‐Rodal, E.; Reviol, W.; Sarantites, D. G.; Seweryniak, D.; Shapira, D.; Stuchbery, A.E.; Urrego-Blanco, J.P.; Varner, R. L.; Wang, X.; Yu, C. H.; Zhu, S.

doi:10.1103/physrevc.86.031307

Cited by 30 publications

(34 citation statements)

References 32 publications

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“…This is the most reasonable explanation for how these states were populated in this reaction [13]. Similar states were not observed in experiments using the ( 9 Be, 8 Be γ) reaction on beams of 132 Sn [9] and 134 Te [10], which do not have an isomeric component. [7,8].…”

supporting

confidence: 75%

“…Sn studied with the ( 9 Be, 8 Be γ) reaction A series of detailed transfer reaction studies of nuclei around 132 Sn [7][8][9][10] and N = 50 above Z = 28 [11,12] were performed at the HRIBF. Inverse kinematics (d, p) experiments on beams of 130 Sn and 132 Sn resulted in the population of excited states of 131 Sn from across the N = 82 shell closure with properties similar to those seen at low excitations in 133 Sn.…”

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confidence: 99%

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Recent Direct Reaction Experimental Studies with Radioactive Tin Beams

Jones¹,

Ahn²,

Allmond³

et al. 2015

Acta Phys. Pol. B

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Direct reaction techniques are powerful tools to study the single-particle nature of nuclei. Performing direct reactions on short-lived nuclei requires radioactive ion beams produced either via fragmentation or the Isotope Separation OnLine (ISOL) method. Some of the most interesting regions to study with direct reactions are close to the magic numbers where changes in shell structure can be tracked. These changes can impact the final abundances of explosive nucleosynthesis. The structure of the chain of tin isotopes is strongly influenced by the Z = 50 proton shell closure, as well as the neutron shell closures lying in the neutron-rich, N = 82, and neutron-deficient, N = 50, regions. Here, we present two examples of direct reactions on exotic tin isotopes. The first uses a one-neutron transfer reaction and a low-energy reaccelerated ISOL beam to study states in 131Sn from across the N = 82 shell closure. The second example utilizes a one-neutron knockout reaction on fragmentation beams of neutron-deficient 106,108Sn. In both cases, measurements of γ rays in coincidence with charged particles proved to be invaluable

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supporting

confidence: 75%

mentioning

confidence: 99%

Recent Direct Reaction Experimental Studies with Radioactive Tin Beams

Jones¹,

Ahn²,

Allmond³

et al. 2015

Acta Phys. Pol. B

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“…[5]. To provide valuable constraints on ε i13/2 , 3 − 1 and 13/2 + 1 excitation energies (denoted by E 3− and E 13/2+ ) of 134,135 Te and 137 Xe were measured recently [6].…”

mentioning

confidence: 99%

“…[6] by using exact shell-model calculations [7]. Conventionally, one can optimize ε i13/2 by fitting the shell-model output to experimentally observed levels.…”

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confidence: 99%

Robust upper limit of the neutroni13/2single-particle energy

Lei

Jiang

2014

Phys. Rev. C

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The upper limit of the neutron i 13/2 single-particle energy (ε i13/2 ) is estimated in the random quasiparticle ensemble with single-particle energies. The ε i13/2 distributions under constraints from 134,135 Te and 136,137 Xe spectra demonstrate that the i 13/2 single-particle state can be physically mixed with the f 7/2 ⊗ 3 − configuration only if ε i13/2 < 3 MeV. Thus, our ensemble calculation suggests a robust upper limit of 3 MeV.

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“…Indeed, most of the current information concerning 131 Sn (i.e., single-particle states in the N = 50-82 shell) is taken from β-decay studies of 131 In [4,5]. It has only recently become possible to perform direct reaction studies in the radioactive 132 Sn region [6][7][8][9]. To date such studies have been used to populate the single-neutron particle states in the region while results concerning the single-neutron hole structure have not been reported.…”

mentioning

confidence: 99%