Neutron capture cross sections in the kev region

Using the Trojan Horse Method to Discern \(\alpha _{0}\) and \(\alpha _{1}\) Channels for the 10B(n,\(\alpha \))7Li Reaction

“…The reaction 10 B(n,α) 7 Li has one of the most used standard neutron induced cross section [1] and is of great interest for physics applied to control neutron fluxes in nuclear energy production environments [2] and medicine [3][4][5].…”

“…Its cross section is dominated by the α emission, through channels α0 and α1, corresponding to the ground state and the first excited state of 7 Li (which has an energy of 478 keV).…”

“…Despite of its importance, data available at incident neutron energies above 100 keV show discrepancies [6][7][8][9][10][11]; most of the measurements do not separate the α0 and α1 contributions and few data sets for the separated channels are available, but are not in agreement with each other [12][13][14][15].…”

“…Using the Trojan Horse Method (THM) [16][17][18], the first investigation of the 10 B(n,α) 7 Li reaction has been discussed in [19], which could be regarded as the validity test on this study. The experiment used deuteron as neutron virtual source as indicated by the pioneering work in [20] and confirmed by our recent investigation [21][22][23].…”

“…

A Trojan Horse measurement of the 10 B(n,α) 7 Li reaction has been performed, where for the first time the α1 contribution (coming from the first 7 Li excited level at 478 keV) to the cross section has been discerned from the ground state, in the energy region from 0 to 1.2 MeV, the most relevant for all the applications.

…”