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Measurement of neutron multiplicity to investigate the role of entrance channel parameters on the nuclear dissipation

机译:中子多重测量,研究入口通道参数对核耗散的作用

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摘要

In the present work, the pre- and post-scission neutron multiplicities were measured for the reaction O-18 + W-186 at different excitation energies populating the compound nucleus Pb-204, using the National Array of Neutron Detectors (NAND) facility at IUAC, New Delhi, India. Here, we investigated the entrance channel effect on the nuclear dissipation involved in the heavy ion fusion-fission dynamics. The statistical model analysis was performed using the code VECSTAT. The prescribed reaction O-18 + W-186 had similar value of the mass asymmetry as the system O-16 + Ta-181 studied earlier, populating the compound nucleus Tl-197. Specifically, we observed the similar behavior from both the systems against the nuclear dissipation, with the similar value of the mass asymmetry. The role of the entrance channel parameters on the nuclear dissipation was also discussed in the present work.
机译:在本作的工作中,使用国家中子探测器(NAND)设施阵列(NAND)设施填充化合物核PB-204的不同励磁能量,测量群体o-18 + w-186的再生和后中子量增加。 Iuac,印度新德里。 在这里,我们调查了对重离子融合动态的核耗散的入口频率。 使用代码Vecstat进行统计模型分析。 规定的反应O-18 + W-186具有与较早研究的系统O-16 + TA-181相似的质量不对称的值,填充化合物核TL-197。 具体地,我们观察到来自核耗散的系统的类似行为,具有相似的质量不对称的值。 本作中还讨论了入口通道参数对核耗散的作用。

著录项

  • 来源
    《Physical review, C》 |2019年第1期|共7页
  • 作者单位

    Banaras Hindu Univ Dept Phys Varanasi 221005 Uttar Pradesh India;

    Banaras Hindu Univ Dept Phys Varanasi 221005 Uttar Pradesh India;

    Banaras Hindu Univ Dept Phys Varanasi 221005 Uttar Pradesh India;

    Inter Univ Accelerator Ctr New Delhi 110067 India;

    Inter Univ Accelerator Ctr New Delhi 110067 India;

    Inter Univ Accelerator Ctr New Delhi 110067 India;

    Inter Univ Accelerator Ctr New Delhi 110067 India;

    Inter Univ Accelerator Ctr New Delhi 110067 India;

    Inter Univ Accelerator Ctr New Delhi 110067 India;

    Inter Univ Accelerator Ctr New Delhi 110067 India;

    Inter Univ Accelerator Ctr New Delhi 110067 India;

    Variable Energy Cyclotron Ctr 1-AF Bidhan Nagar Kolkata 700064 India;

    Variable Energy Cyclotron Ctr 1-AF Bidhan Nagar Kolkata 700064 India;

    Bhabha Atom Res Ctr Nucl Phys Div Mumbai 400085 Maharashtra India;

    Gauhati Univ Dept Phys Gauhati 781014 Assam India;

    Visva Bharati Dept Phys Santini Ketan 731235 W Bengal India;

    Visva Bharati Dept Phys Santini Ketan 731235 W Bengal India;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 原子核物理学、高能物理学;
  • 关键词

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