Direct and sequential transfer mechanisms in the <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mmultiscripts><mi>Be</mi><mprescripts></mprescripts><none></none><mn>9</mn></mmultiscripts><mo>(</mo><mmultiscripts><mi>Li</mi><mprescripts></mprescripts><none></none><mn>6</mn></mmultiscripts><mo>,</mo><mmultiscripts><mi>He</mi><mprescripts></mprescripts><none></none><mn>4</mn></mmultiscripts><mo>)</mo><mmultiscripts><mi mathvariant="normal">B</mi><mprescripts></mprescripts><none></none><mn>11</mn></mmultiscripts></mrow></math> reaction: Probing cluster dynamics in light nuclei

K. Mendibayev; J. L. Ferreira; T. Issatayev; A. K. Azhibekov; S. M. Lukyanov; Yu. E. Penionzhkevich; B. A. Urazbekov; E. K. Almanbetova; D. S. Valiolda; T. K. Zholdybayev; B. Pinheiro; J. Lubian

doi:10.1103/hqw4-6ml2

Direct and sequential transfer mechanisms in the ${}^{9}{Be} ({}^{6}{Li}, {}^{4}{He}) {}^{11}B$ reaction: Probing cluster dynamics in light nuclei

K. Mendibayev^1,2,*, J. L. Ferreira ^3,†, T. Issatayev ^1,2, A. K. Azhibekov ^1,4,‡, S. M. Lukyanov ¹, Yu. E. Penionzhkevich^1,§, B. A. Urazbekov⁵, E. K. Almanbetova¹, D. S. Valiolda ^1,2,6 et al.

T. K. Zholdybayev ², B. Pinheiro ³, and J. Lubian ^3,∥

¹Joint Institute for Nuclear Research, Dubna 141980, Russia
²Institute of Nuclear Physics, Almaty 050032, Kazakhstan
³Instituto de Física, Universidade Federal Fluminense, Niterói, Rio de Janeiro 24210-340, Brazil
⁴Korkyt Ata Kyzylorda University, Kyzylorda 120014, Kazakhstan
⁵L.N. Gumilyov Eurasian National University, Astana 010008, Kazakhstan
⁶Al Farabi Kazakh National University, Almaty 050040, Kazakhstan

^*Contact author: kayrat1988@bk.ru
^†Contact author: jonasleonardo@id.uff.br
^‡Contact author: azhibekoaidos@gmail.com
^§Deceased.
^∥Contact author: jlubian@id.uff.br

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Phys. Rev. C 113, 034616 – Published 23 March, 2026

DOI: https://doi.org/10.1103/hqw4-6ml2

Abstract

This work presents a combined experimental and theoretical investigation of the ${}^{9}{Be} ({}^{6}{Li}, {}^{4}{He}) {}^{11}B$ transfer reaction at an incident energy of 68 MeV. Angular distributions of the emitted ${}^{4}{He}$ particles were measured for several low-lying states of ${}^{11}B$ . The experimental data were analyzed within the coupled reaction channel (CRC) and coupled-channels Born approximation (CCBA) frameworks. Shell-model calculations provided spectroscopic amplitudes necessary for evaluating transfer mechanisms. The results confirm the dominant role of direct deuteron transfer in populating low-lying states. Theoretical predictions agree well with the measured angular distributions. These findings provide new insights into the role of cluster degrees of freedom and proton-neutron correlations in light nuclei.

Physical Review C

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Direct and sequential transfer mechanisms in the ${}^{9}{Be} ({}^{6}{Li}, {}^{4}{He}) {}^{11}B$ reaction: Probing cluster dynamics in light nuclei

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Direct and sequential transfer mechanisms in the Be9(Li6,He4)B11 reaction: Probing cluster dynamics in light nuclei

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Direct and sequential transfer mechanisms in the ${}^{9}{Be} ({}^{6}{Li}, {}^{4}{He}) {}^{11}B$ reaction: Probing cluster dynamics in light nuclei