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Using a maximal solvable subalgebra of the Lie algebras gn = sl(2;R)texto impreso
For any semisimple subalgebra s0 of exceptional Lie algebras s satisfying the constraint rank(s0) = rank(s)texto impreso
We prove that if g' is a contraction of a Lie algebra g then the number of functionally independent invariants of g' is at least that of g. This allows to obtain some criteria to ensure the non-existence of non-trivial invariants for Lie algebra[...]texto impreso
Fraile Prieto, Luis Mario ; Carmona Gallardo, Mariano ; Vedia Fernández, María Victoria | Jagellonian University | 2017-03A fast-timing experiment was performed at the Argonne National Laboratory in December 2015 and January 2016, measuring decay radiation of fission products from a Cf-252 fission source. Details of the set-up, integration with Digital Gammasphere,[...]texto impreso
We analyze numerically the equation giving the number of missing label operators for reduction chains k ,! g of Lie algebras to obtain information about the maximal possible dimension of certain types of subalgebras, mainly Abelian. Applications[...]texto impreso
Benito García, Jaime ; Fraile Prieto, Luis Mario ; Sánchez Tembleque, Víctor ; Vedia Fernández, María Victoria ; otros, ... | Jagellonian University | 2020Excited states in the neutron-rich Se-85 nucleus have been studied using for the first time a fast neutron-induced fission of Th-232. The experiment was performed at the ALTO facility of the IPN Orsay. Coupling of the LICORNE directional neutron[...]texto impreso
Beta decay is a primary source of information of the structure of a nucleus. An accurate measurement of the half-life of a nucleus is essential for the proper determination of the reduced Gammow-Teller transition probability B(GT). In this work,[...]texto impreso
The Casimir operators of the exceptional Lie algebra F4 are constructed using the method of trace operators. Taking into account a decomposition of matrices related to the embedding F4 _ so(9), subgroup scalars for the corresponding state labell[...]
