Measurement of the neutron spectrum of the V51(p,n)Cr51 reaction at 1585 keV

IF 3.4 2区物理与天体物理 Q1 Physics and Astronomy

Physical Review C Pub Date : 2025-02-27 DOI:10.1103/physrevc.111.024620

Antònia Verdera, J. Praena, F. Arias de Saavedra, A. Roldán, M. Macías, Cristiano Lino Fontana, C. Bonaldi, W. Geerts, S. Oberstedt

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引用次数: 0

Abstract

Neutron production by the $^{51}\mathrm{V}(p,n)^{51}\mathrm{Cr}$ reaction close to the reaction threshold is interesting for its pure production of neutrons at low kiloelectronvolts. In this work, for the first time, the angle-dependent neutron spectrum is measured close to the threshold, particularly at 1585 keV proton energy, only 20 keV above the reaction threshold. The experiment was performed at the MONNET facility (JRC-Geel), employing the time-of-flight technique and a thick vanadium target. The $^{7}\mathrm{Li}(p,n)^{7}\mathrm{Be}$ reaction near the threshold was also measured and used as a reference and in a neutron transmission measurement for self-absorption correction. The angular-dependent energy spectra for the $^{51}\mathrm{V}(p,n)^{51}\mathrm{Cr}$ have been obtained and the integrated energy spectrum is presented. Their resulting spectrum reveals a pronounce peak at (6.49 $\ifmmode\pm\else\textpm\fi{}$ 0.04) keV.

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1585 keV下V51(p,n)Cr51反应中子谱的测量

在接近反应阈值的$^{51}\ mathm {V}(p,n) $^{51}\ mathm {Cr}$反应中产生的中子是有趣的，因为它在低千电子伏特下纯粹产生中子。在这项工作中，首次测量了接近阈值的角相关中子谱，特别是在质子能量为1585 keV时，仅比反应阈值高20 keV。实验在MONNET设施（JRC-Geel）进行，采用飞行时间技术和厚钒靶。还测量了阈值附近的$^{7}\mathrm{Li}(p,n)^{7}\mathrm{Be}$反应，并将其用作参考，并用于中子透射测量中进行自吸收校正。得到了$^{51}\mathrm{V}(p,n)^{51}\mathrm{Cr}$的角相关能谱，并给出了积分能谱。他们得到的光谱显示了一个发音峰（6.49 $\ifmmode\pm\else\textpm\fi{}$ 0.04） keV。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Physical Review C 物理-物理：核物理

CiteScore

5.70

自引率

35.50%

发文量

审稿时长

1-2 weeks

期刊介绍： Physical Review C (PRC) is a leading journal in theoretical and experimental nuclear physics, publishing more than two-thirds of the research literature in the field. PRC covers experimental and theoretical results in all aspects of nuclear physics, including: Nucleon-nucleon interaction, few-body systems Nuclear structure Nuclear reactions Relativistic nuclear collisions Hadronic physics and QCD Electroweak interaction, symmetries Nuclear astrophysics