Investigation of the D(3He, p)4He Reaction in the Astrophysical Energy Region of 18–30 keV


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Abstract

The D(3He, p)4He reaction is first investigated in a solid target of deuterated zirconium (ZrD) in the 3He+ ion energy range EHe = 18–30 (E = 7.2−12.0keV keV in the center-of-mass system) with a step of 2 keV. The electron screening potential Ue = (617.8 ± 154.7) eV and the D(3He, p)4He reaction enhancement factors are experimentally determined in the given energy range. The measured electron screening potential is six times higher than in gaseous targets. This can be due to the ZrD lattice effects, which have not been studied either theoretically or experimentally so far. The D(3He, p)4He reaction has been investigated at the pulsed plasma Hall accelerator (Tomsk).

About the authors

V. M. Bystritsky

Joint Institute for Nuclear Research

Author for correspondence.
Email: bystvm@jinr.ru
Russian Federation, Dubna, Moscow region, 141980

G. N. Dudkin

National Research Tomsk Polytechnic University

Email: bystvm@jinr.ru
Russian Federation, Tomsk, 634050

B. A. Nechaev

National Research Tomsk Polytechnic University

Email: bystvm@jinr.ru
Russian Federation, Tomsk, 634050

V. N. Padalko

National Research Tomsk Polytechnic University

Email: bystvm@jinr.ru
Russian Federation, Tomsk, 634050

F. M. Pen’kov

Institute of Nuclear Physics

Email: bystvm@jinr.ru
Kazakhstan, Almaty, 050032

Yu. Zh. Tuleushev

Institute of Nuclear Physics

Email: bystvm@jinr.ru
Kazakhstan, Almaty, 050032

M. Filipowicz

Faculty of Energy and Fuels

Email: bystvm@jinr.ru
Poland, Krakow, 30-059

A. V. Philippov

Joint Institute for Nuclear Research

Email: bystvm@jinr.ru
Russian Federation, Dubna, Moscow region, 141980

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