The Channel Coupling and Triton Cluster Exchange Effects in $^{3}$He Scattering on $^{6}$Li Nuclei

Sakuta, S.B.; Burtebayev, N.; Burtebayeva, J.; Duisebayev, A.; Glushchenko, N.V.; Nassurlla, M.; Amar, Anissa; Artemov, S. V.; Kliczewski, S.; Piasecki, E.; Rusek, K.; Siudak, R.; Trzcińska, A.; Wolińska-Cichocka, M.

doi:10.5506/aphyspolb.45.1853

Cited by 4 publications

(7 citation statements)

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“…For monitoring, we compared the calculations made by the coupled channel method [8] and obtained additional confirmation that the minima/maxima of the angular distributions used in the MDM analysis are indeed diffraction.…”

Section: Methods Of Analysismentioning

confidence: 96%

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Possible Existence of Neutron-Proton Halo in 6Li

Demyanova¹,

Ogloblin²,

Danilov³

et al. 2018

KEn

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One of the most recent results was the determination of the proton halo in the first excited state of the 13 N nucleus using of an analog of the MDM method for the charge exchange reactions ( 3 He, t MeV. Probably the state 0 + , 3.56 MeV has the same radius as its "Borromian" isobar analogue 6 He and is neutron-proton halo. The predicted enlarged radius because of the more extended wave function p -n, apparently, does not take place. We recall that the spatial structure of the 6 He nucleus was predicted to be quite complex, in which correlations of two types appeared: "cigar" and "dineutron". The question arises: does the structure of the state change so much when passing from 6 He to the isobar-analogue in 6 Li, which requires the introduction of a special kind of "tango-halo".

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Section: Methods Of Analysismentioning

confidence: 96%

“…To determine the radius of the 3.56-MeV state, only the data [7] on elastic and inelastic scattering of 3 He + 6 Li at the energies of 24.6 and 27.0 MeV satisfied the necessary requirements. To determine the radius of the state 3 + , 2.19 MeV, the data of [8] were used. The cross sections for elastic scattering were taken from [9].…”

Section: Introductionmentioning

confidence: 99%

Possible Existence of Neutron-Proton Halo in 6Li

Demyanova¹,

Ogloblin²,

Danilov³

et al. 2018

KEn

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“…At present, scattering of α-particles by 6 Li and 7 Li nuclei, having a pronounced cluster structure, was systematically studied. The anomalous large-angle scattering (ALAS), observed in [1][2][3][4], can be only described with taking into account the contribution of the cluster exchange mechanism, which is physically indistinguishable from potential scattering.…”

Section: Introductionmentioning

confidence: 99%

“…The anomalous large-angle scattering (ALAS), observed in [1][2][3][4], can be only described with taking into account the contribution of the cluster exchange mechanism, which is physically indistinguishable from potential scattering. Therefore, in a number of papers [4,6], with taking into account this mechanism, it was possible not only to obtain more reliable parameters of the optical potentials, but also to extract the values of cluster spectroscopic factors from the cross sections analysis at large angles. In particular, the values of the spectroscopic factors were obtained for the configurations d +, 3 He + t and t + , and not only for the ground, but also for the excited states of the 6,7 Li nuclei from the analysis of the scattering of 3 He and  -particles.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, in a number of papers [4,6], with taking into account this mechanism, it was possible not only to obtain more reliable parameters of the optical potentials, but also to extract the values of cluster spectroscopic factors from the cross sections analysis at large angles. In particular, the values of the spectroscopic factors were obtained for the configurations d +, 3 He + t and t + , and not only for the ground, but also for the excited states of the 6,7 Li nuclei from the analysis of the scattering of 3 He and  -particles. A systematic analysis of the deuteron scattering on 6 Li nuclei, performed in [4] in wide energy range, confirmed the possibility of describing the behavior of the cross sections at backward angles by the exchange mechanism.…”

Section: Introductionmentioning

confidence: 99%

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INVESTIGATION OF DEUTERON SCATTERING BY 7 Li NUCLEI AT ENERGY OF 14.5 MeV

Nassurlla

Burtebayev²,

Kerimkulov³

et al. 2018

Physico-Mathematical Series

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The pronounced cluster structure of lithium isotopes is an excellent test for verification the various theoretical nuclear models. The study of the cluster exchange mechanism in direct nuclear reactions opens new possibilities in determining the structures of these nuclei. The sets of parameters of optical potentials available in the literature are vary, that can lead to ambiguity in determining the cluster spectroscopic factors of the studied nuclei. Therefore, an experimental study of the scattering process at energy E = 14.5 MeV has been carried out in order to obtain an independent global systematic of optical potentials for the d + 7 Li system. New experimental data were obtained in the current paper on the elastic and inelastic scattering of deuterons on 7 Li nuclei at energy E = 14.5 MeV. In addition to this, in our analysis we used experimental data on elastic scattering, measured previously at deuteron energies from 7 to 28 MeV. The analysis of the differential cross sections was performed within the framework of the optical model. The optimal parameters of optical potentials for the studied nucleus are established. The obtained parameters in this work will be used in the analysis of the data on inelastic scattering of deuterons and the 7 Li (d, t) reaction to refine the structural characteristics of lithium isotopes.

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Analysis of 4He+40Ca and 4He+44Ti scattering using different optical model potentials

Ibraheem

2016

Phys. Atom. Nuclei

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The Channel Coupling and Triton Cluster Exchange Effects in $^{3}$He Scattering on $^{6}$Li Nuclei

Cited by 4 publications

References 0 publications

Possible Existence of Neutron-Proton Halo in 6Li

Possible Existence of Neutron-Proton Halo in 6Li

INVESTIGATION OF DEUTERON SCATTERING BY 7 Li NUCLEI AT ENERGY OF 14.5 MeV

Analysis of 4He+40Ca and 4He+44Ti scattering using different optical model potentials

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