Elastic and inelastic scattering of high-energy electrons in the cluster model

Kudeyarov, Yu. A.; Kurdyumov, I.V.; Neudatchin, V. G.; Smirnov, Yu.F.

doi:10.1016/0375-9474(69)90398-4

Cited by 17 publications

(2 citation statements)

References 19 publications

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“…(In Refs. [16,17], for example, unsuccessful fits of this type with simple relative motion functions are listed.) Note also that the node of the relative motion function in the region of the cluster overlap reduces antisymmetrization effects.…”

Section: LImentioning

confidence: 99%

Relation between (e, e′) sum rules in 6, 7Li and 4He nuclei: Experiment and cluster model

2016

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The sums over (e, e ) spectra of 6 Li and 7 Li nuclei which correspond to the longitudinal sum rule are studied. It is suggested that due to the cluster structure of the lithium isotopes these sums may approximately be expressed in terms of such a sum pertaining to the α-particle. Calculation of these sums is performed in the framework of cluster models with antisymmetrization done with respect to all the nucleons. At momentum transfers higher than 0.8 fm −1 the relations expressing the A=6 or 7 sum in terms of the A=4 sum prove to be valid with rather high accuracy. In the region of momentum transfers around 1 fm −1 the longitudinal correlation functions of 6 Li and 7 Li nuclei are found to be close to that of the α-particle. Basing on this, the difference between the q values at which the high-q limit of the inelastic sum rule is reached in the 6,7 Li cases and the 4 He case is explained. The experimental longitudinal sums in the range between 0.450 and 1.625 fm −1 are employed to perform comparison with the theoretical sum rule calculated in the framework of cluster models. Out of the experimental sums, those in the range between 0.750 and 1.000 fm −1 in the 6 Li case and between 0.750 and 1.125 fm −1 in the 7 Li case are obtained in the present work. In the 6 Li case a complete agreement between experiment and the calculated sum rule is found while in the 7 Li case an agreement only at a qualitative level is observed.

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Section: LImentioning

confidence: 99%

Relation between (e, e′) sum rules in 6, 7Li and 4He nuclei: Experiment and cluster model

2016

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“…It is known that the structure of the 6 Li nucleus has some peculiarities compared to the other 1p-shell nuclei (see e.g. [6,7,8,9,10,11,12]). The elastic electron scattering data [13] on the charge form factor and the rms radius of 6 Li cannot be explained in the framework of the shell-model by means of an oscillator parameter hω = 15 ÷ 16 MeV , the latter providing a good description of these data for the other 1p-shell nuclei.…”

mentioning

confidence: 99%

Charge form factor and cluster structure of the 6Li nucleus

2008

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Abstract:The charge form factor of the 6 Li nucleus is considered on the basis of its cluster structure. The charge density of 6 Li is presented as a superposition of two terms. One of them is a folded density and the second one is a sum of the 4 He and deuteron densities. Using the available experimental data for 4 He and deuteron charge form factors, a satisfactory agreement of the calculations within the suggested scheme is obtained with the experimental data for the charge form factor of 6 Li, including those in the region of large transferred momenta.

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