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Validation of the Be 10 Ground-State Molecular Structure Using Be 10 (p,pα) He 6 Triple Differential Reaction Cross-Section Measurements

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Title
Validation of the Be 10 Ground-State Molecular Structure Using Be 10 (p,pα) He 6 Triple Differential Reaction Cross-Section Measurements
Author(s)
Li, P.J.; Beaumel, D.; Lee, J.; Assié, M.; Chen, S.; Franchoo, S.; Gibelin, J.; Hammache, F.; Harada, T.; Kanada-En'Yo, Y.; Kubota, Y.; Leblond, S.; Liang, P.F.; Lokotko, T.; Lyu, M.; Marqués, F.M.; Matsuda, Y.; Ogata, K.; Otsu, H.; Rindel, E.; Laszlo Stuhl; Suzuki, D.; Togano, Y.; Tomai, T.; Xu, X.X.; Yoshida, K.; Zenihiro, J.; Achouri, N.L.; Aumann, T.; Baba, H.; Cardella, G.; Ceruti, S.; Stefanescu, A.I.; Corsi, A.; Frotscher, A.; Gao, J.; Gillibert, A.; Inaba, K.; Isobe, T.; Kawabata, T.; Kitamura, N.; Kobayashi, T.; Kondo, Y.; Kurihara, A.; Liu, H.N.; Miki, H.; Nakamura, T.; Obertelli, A.; Orr, N.A.; Panin, V.; Sasano, M.; Shimada, T.; Sun, Y.L.; Tanaka, J.; Trache, L.; Tudor, D.; Uesaka, T.; Wang, H.; Yamada, H.; Yang, Z.H.; Yasuda, M.
Publication Date
2023-11
Journal
Physical Review Letters, v.131, no.21
Publisher
American Physical Society
Abstract
The cluster structure of the neutron-rich isotope Be10 has been probed via the (p,pα) reaction at 150 MeV/nucleon in inverse kinematics and in quasifree conditions. The populated states of He6 residues were investigated through missing mass spectroscopy. The triple differential cross section for the ground-state transition was extracted for quasifree angle pairs (θp,θα) and compared to distorted-wave impulse approximation reaction calculations performed in a microscopic framework using successively the Tohsaki-Horiuchi-Schuck-Röpke product wave function and the wave function deduced from antisymmetrized molecular dynamics calculations. The remarkable agreement between calculated and measured cross sections in both shape and magnitude validates the molecular structure description of the Be10 ground-state, configured as an α-α core with two valence neutrons occupying π-type molecular orbitals. © 2023 American Physical Society.
URI
https://pr.ibs.re.kr/handle/8788114/14785
DOI
10.1103/PhysRevLett.131.212501
ISSN
0031-9007
Appears in Collections:
Center for Exotic Nuclear Studies(희귀 핵 연구단) > 1. Journal Papers (저널논문)
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