Cross section measurement for the B10(n,t2α) three-body reaction at 4.0, 4.5, and 5.0 MeV. I. Prediction of the experimental spectrum

Zhimin Wang, Huaiyong Bai, Luyu Zhang, Haoyu Jiang, Yi Lu, Jinxiang Chen, Guohui Zhang, Yu. M. Gledenov, M. V. Sedysheva, and G. Khuukhenkhuu
Phys. Rev. C 96, 044620 – Published 24 October 2017

Abstract

Cross sections of the B10(n,t2α) three-body reaction were measured at En=4.0,4.5, and 5.0 MeV using a twin gridded ionization chamber and a thin-film B10 sample. The present paper is the first part of the work. The experimental spectrum of the B10(n,t2α) reaction measured by the gridded ionization chamber (GIC) was predicted. The B10(n,t2α) reaction can proceed in three ways, which are referred to as L7i**,Be8, and breakup channels. The energies and directional angles of the three particles in the final states for the L7i**,Be8, and breakup channels were calculated, respectively. Based on these results, the one-dimensional and two-dimensional spectra were calculated through integration. Three kinds of interference reactions were taken into account, which were the B10(n,α)7Li reaction, the H(n,n)p reaction, and the (n,α) reactions from the working gas of the GIC. Two effects were considered in the prediction of the experimental spectrum, which were the energy loss of the products in the sample and the wall effect of the sample position well. The predicted spectra play an important role in the guidance of the implementation of the experiment and the processing of the experimental data.

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  • Received 29 June 2017

DOI:https://doi.org/10.1103/PhysRevC.96.044620

©2017 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

Zhimin Wang1,2, Huaiyong Bai1, Luyu Zhang1, Haoyu Jiang1, Yi Lu1, Jinxiang Chen1, Guohui Zhang1,*, Yu. M. Gledenov3, M. V. Sedysheva3, and G. Khuukhenkhuu4

  • 1State Key Laboratory of Nuclear Physics and Technology, Institute of Heavy Ion Physics, Peking University, Beijing 100871, China
  • 2Department of Physics, School of Information Science and Engineering, Ocean University of China, Qingdao 266100, China
  • 3Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna 141980, Russia
  • 4Nuclear Research Centre, National University of Mongolia, Ulaanbaatar 17032, Mongolia

  • *Corresponding author: guohuizhang@pku.edu.cn

See Also

Cross section measurement for the B10(n,t2α) three-body reaction at 4.0, 4.5, and 5.0 MeV. II. Experimental setup and results

Zhimin Wang, Huaiyong Bai, Luyu Zhang, Haoyu Jiang, Yi Lu, Jinxiang Chen, Guohui Zhang, Yu. M. Gledenov, M. V. Sedysheva, and G. Khuukhenkhuu
Phys. Rev. C 96, 044621 (2017)

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Vol. 96, Iss. 4 — October 2017

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