Low-energy d+d fusion via the Trojan Horse Method

10th International Conference on Clustering Aspects of Nuclear Structure and Dynamics

Tumino, A.^1,2 ; Spitaleri, C.^1,3 ; Mukhamedzhanov, A.M.^4 ; Typel, S.^5 ; Aliotta, M.^6 ; Burjan, V.^7 ; Gimenez Del Santo, M.^8 ; Kiss, G.G.^1,9 ; Kroha, V.^7 ; Hons, Z.^7 ; La Cognata, M.^1 ; Lamia, L.^3 ; Mrazek, J.^7 ; Pizzone, R.G.^1 ; Piskor, S.^7 ; Rapisarda, G.G.^1,3 ; Romano, S.^9 ; Sergi, M.L.^1 ; Spartà, R.^1,3

Laboratori Nazionali del Sud - INFN, Catania, Italy^1

Università degli Studi di Enna Kore, Enna, Italy^2

Dipartimento di Fisica e Astronomia, Università di Catania, Catania, Italy^3

Cyclotron Institute, Texas A and M University, College Station, TX, United States^4

GSI Helmholtzzentrum für Schwerionenforschung GmbH - Theorie, Darmstadt, Germany^5

School of Physics and Astronomy, University of Edinburgh, SUPA, United Kingdom^6

Nuclear Physics Institute of ASCR, Rez, Prague, Czech Republic^7

Departamento de Fisica Nuclear, Universitade de Sao Paulo, Sao Paulo, Brazil^8

ATOMKI, Debrecen, Hungary^9

关键词: Accurate calculations;    Applied physics;    Burning temperature;    Energy regions;    Pre-main sequences;    Standard big bang nucleosynthesis;    Stellar evolutions;    Trojan horse methods;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/436/1/012073/pdf
DOI  :  10.1088/1742-6596/436/1/012073

来源: IOP

【 摘 要 】

The2H(d,p)3H and2H(d,n)3He reactions have been recently investigated from Edd=1.5 MeV down to 2 keV, by means of the Trojan Horse Method (THM) applied to the Quasi Free3He+d interaction at 18 MeV [1]. The knowledge of their fusion cross section at low energies is of interest for pure and applied physics. Both reactions belong to the network of processes to fuel the first inertial confinement fusion reactors in the range of kT= 1 to 30 keV. These energies overlap with the burning temperatures of deuterium in the Pre-main sequence of stellar evolution. They are key processes in the Standard Big Bang Nucleosynthesis (SBBN), in an energy region from 50 to 300 keV and experimental data at least up to 1 MeV are required for an accurate calculation of the reaction rate. Providing experimental data for both channels from a single experiment and over the entire energy range of interest is crucial for an accurate calculation of the reaction rates. This is what has been obtained from the present Trojan Horse (TH) investigation with new reaction rates which deviate by more than 20% from available direct data. This represents also the first pioneering experiment in quasi free regime where the charged spectator is detected.