Trojan Horse Particle Invariance: An Extensive Study

0435762 - ÚJF 2015 RIV AT eng J - Článek v odborném periodiku
Pizzone, R. G. - Spitaleri, C. - Sergi, M. L. - Lamia, L. - Tumino, A. - Bertulani, C. A. - Blokhintsev, L. - Burjan, Václav - Kroha, Václav - La Cognata, M. - Mrázek, Jaromír - Mukhamedzhanov, A. M. - Sparta, R.
Trojan Horse Particle Invariance: An Extensive Study.
Few-Body Systems. Roč. 55, 8-10 (2014), s. 1001-1004. ISSN 0177-7963. E-ISSN 1432-5411
Grant CEP: GA MŠMT(XE) LM2011019
Institucionální podpora: RVO:61389005
Klíčová slova: astrophysical implications * nuclear astrophysics * destruction
Kód oboru RIV: BN - Astronomie a nebeská mechanika, astrofyzika
Impakt faktor: 0.768, rok: 2014

In the last decades, the Trojan Horse method (THM) has played a crucial role for the measurement of several particle (both neutron and charged one) induced cross sections for reactions of astrophysical interest. To better understand its cornerstones and its applications to physical cases, many tests were performed to verify all its properties and the possible future perspectives. The Trojan Horse nucleus invariance proves the relatively simple approach allowed by the pole approximation and sheds light in the involved reaction mechanisms. Here we shortly review the complete work for the binary H-2(d,p)H-3, Li-6(d,alpha)He-4, Li-6(p,alpha)He-3, Li-7(p,alpha)He-4 reactions, by using the quasi free reactions after break-ups of different nuclides. Results are compared assuming the Li-6 and He-3 break-up in the case of the d(d,p)t, Li-6(d,alpha)He-4 reactions and considering the H-2 and He-3 break-up for Li-6(p,alpha)He-3, Li-7(p,alpha)He-4 reactions. These results, regardless of the Trojan Horse particle or the break-up scheme, confirms the applicability of the standard description of the THM and suggests the independence of binary indirect cross section on the chosen Trojan Horse nuclei for a whole spectra of different cases. This gives a strong basis for the understanding of the quasi-free mechanism which is the foundation on which the THM lies.
Trvalý link: http://hdl.handle.net/11104/0239648