CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Exotic nuclear shape due to cluster formation at high angular momentum
Dey, B; Wang, SS; Pandit, D; Bhattacharya, S; Cao, XG; He, WB; Ma, YG; Hung, NQ; Dang, ND
2020
Source PublicationPHYSICAL REVIEW C
ISSN0556-2813
Volume102Issue:3Pages:-
Subtype期刊论文
AbstractIt is shown, for the first time, how the exotic shapes due to cluster formation at high excitation energy and angular momentum are manifested through giant dipole resonance (GDR) strength function under the framework of the extended quantum molecular dynamics (EQMD) model. The results of EQMD calculation are compared with the existing experimental data of S-32 and Si-28 formed in the reactions Ne-20+C-12 and O-16+C-12, respectively, at high angular momenta. It is found that the EQMD predicts the general trend of the experimental GDR strength functions for S-32 and Si-28 by considering the ring or toroidal configuration, whereas the linear chain configurations with alpha clusters can reproduce the higher-energy peak in S32 and Si28. Thus, the direct signature of the cluster formation at high temperature and angular momentum is the observation of a GDR peak approximate to 25MeV which cannot be predicted within the mean-field calculations. The present result highlights the role of alpha cluster states above the decay threshold, which is still an open field of investigation.
KeywordQUANTUM MOLECULAR-DYNAMICS GIANT-DIPOLE RESONANCE FLUCTUATIONS TEMPERATURE
DOI10.1103/PhysRevC.102.031301
Indexed BySCI
Language英语
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Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32869
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Bankura Univ, Dept Phys, Bankura 722155, W Bengal, India
2.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
3.Variable Energy Cylotron Ctr, 1-AF Bidhan Nagar, Kolkata 700064, India
4.Barasat Govt Coll, Dept Phys, Kolkata 700124, India
5.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201210, Peoples R China
6.Zhangjiang Lab, Shanghai 201210, Peoples R China
7.Fudan Univ, Inst Modern Phys, Key Lab Modern Phys & Ion Beam Applicat MOE, Shanghai 200433, Peoples R China
8.Duy Tan Univ, Inst Fundamental & Appl Sci, Ho Chi Minh City 700000, Vietnam
9.Duy Tan Univ, Fac Nat Sci, Da Nang City 550000, Vietnam
10.RIKEN, Quantum Hadron Phys Lab, Nishina Ctr Accelerator Based Sci, 2-1 Hirosawa, Wako, Saitama 3510198, Japan
Recommended Citation
GB/T 7714
Dey, B,Wang, SS,Pandit, D,et al. Exotic nuclear shape due to cluster formation at high angular momentum[J]. PHYSICAL REVIEW C,2020,102(3):-.
APA Dey, B.,Wang, SS.,Pandit, D.,Bhattacharya, S.,Cao, XG.,...&Dang, ND.(2020).Exotic nuclear shape due to cluster formation at high angular momentum.PHYSICAL REVIEW C,102(3),-.
MLA Dey, B,et al."Exotic nuclear shape due to cluster formation at high angular momentum".PHYSICAL REVIEW C 102.3(2020):-.
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