Heavy Cluster Knockout Reaction ~(16)O(~(12)C, 2~(12)C)~4He and the Nature of the ~(12)C-~(12)C Interaction Potential

B. N. Joshi; Arun K. Jain; Y. K. Gupta; D. C. Biswas; A. Saxena; B. V. John; L. S. Danu; R. P. Vind; R. K. Choudhury

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Heavy Cluster Knockout Reaction ~(16)O(~(12)C, 2~(12)C)~4He and the Nature of the ~(12)C-~(12)C Interaction Potential

机译：重簇敲除反应〜（16）O（〜（12）C，2〜（12）C）〜4He和〜（12）C-〜（12）C相互作用势的性质

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The heavy cluster knockout reaction ~(16)O(~(12)C, 2~(12)C)~4He performed for the first time, reveals the true nature of the ~(12)C-~(12) interaction. The observed cross section is enhanced by almost 2 orders of magnitude over the conventional zero range distorted wave impulse approximation (DWIA) predictions. An attractive ~(12)C-~(12) optical potential, as obtained in the folding model, does not explain the enhanced cross section in the finite range (FR) DWIA framework. The inclusion of a hard core of fairly long range ~3.65 fm explains the data. The present investigation of ~(16)O(~(12)C, 2~(12)C)~4He along with the ~(12)C-~(12) elastic scattering also proves beyond doubt that the folding model's deep attractive heavy ion potentials are unsuitable to describe the highly overlapping heavy ions. The application of FR-DWIA opens up new avenues to use the heavy core knockout for the detailed investigation of heavy as well as Borromean halo nuclei.

机译：首次进行的重簇敲除反应〜（16）O（〜（12）C，2〜（12）C）〜4He揭示了〜（12）C-〜（12）相互作用的真实性质。与传统的零范围失真波脉冲近似（DWIA）预测相比，观察到的横截面增加了近2个数量级。在折叠模型中获得的有吸引力的〜（12）C-〜（12）光学势不能解释有限范围（FR）DWIA框架中增强的横截面。包含了相当长的〜3.65 fm的硬核说明了数据。目前对〜（16）O（〜（12）C，2〜（12）C）〜4He以及〜（12）C-〜（12）弹性散射的研究也无疑证明了折叠模型的深厚吸引力重离子势不适用于描述高度重叠的重离子。 FR-DWIA的应用开辟了新的途径，可以使用重核敲除技术对重原子以及Borromean晕核进行详细研究。

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来源
《Physical review letters》 |2011年第2期|p.022501.1-022501.4|共4页
作者
B. N. Joshi; Arun K. Jain; Y. K. Gupta; D. C. Biswas; A. Saxena; B. V. John; L. S. Danu; R. P. Vind; R. K. Choudhury;
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作者单位

Nuclear Physics Division, Bhabha Atomic Research Center, Mumbai-400 085, India;

Nuclear Physics Division, Bhabha Atomic Research Center, Mumbai-400 085, India;

Nuclear Physics Division, Bhabha Atomic Research Center, Mumbai-400 085, India;

Nuclear Physics Division, Bhabha Atomic Research Center, Mumbai-400 085, India;

Nuclear Physics Division, Bhabha Atomic Research Center, Mumbai-400 085, India;

Nuclear Physics Division, Bhabha Atomic Research Center, Mumbai-400 085, India;

Nuclear Physics Division, Bhabha Atomic Research Center, Mumbai-400 085, India;

Nuclear Physics Division, Bhabha Atomic Research Center, Mumbai-400 085, India;

Nuclear Physics Division, Bhabha Atomic Research Center, Mumbai-400 085, India;

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正文语种 eng
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关键词
direct reactions; dibaryons; optical and diffraction models; 3H-, 3He-, and 4He-induced reactions;

机译：直接反应;双子光学和衍射模型;3H;3He和4He诱导的反应;

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1. Comment on 'Heavy Cluster Knockout Reaction ~(16)O(~(12)C, 2~(12)C)~4He and the Nature of the ~(12)C-~(12)C Interaction Potential' [J] . D. Miljanic, M. Milin, N. Soic Physical review letters . 2012,第7期

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2. C-12+C-12 -> Be-8(g.s.)+O-16(g.s.) resonance reactions and multi-cluster states of highly excited Mg-24 nucleus [J] . Takashina M, Ito M, Kudo Y, Nuclear Physics, A: Journal Devoted to the Experimental Study of the Fundamental Constituents of Matter and Their Actions . 2004,第0期

机译：C-12 + C-12-> Be-8（g.s。）+ O-16（g.s。）共振反应和高度激发的Mg-24原子核的多簇态
3. Alpha-cluster knockout in the O-16(e,e 'alpha)C-12 reaction [J] . De Meyer G., Blok HP., Groep D., Physics Letters, B. Nuclear Physics and High Energy Physics . 2001,第3a4期

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4. Direct measurement of ~4He(~(12)C, ~(16)O)γ reaction at ~(16)KUTL [C] . K. Fujita, K. Sagara, T. Teranishi, Tours Symposium on Nuclear Physics and Astrophysics . 2010

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Heavy Cluster Knockout Reaction ~(16)O(~(12)C, 2~(12)C)~4He and the Nature of the ~(12)C-~(12)C Interaction Potential

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