Search Results - "Liotta, R.J."

On the validity of the Geiger–Nuttall alpha-decay law and its microscopic basis by Qi, C., Andreyev, A.N., Huyse, M., Liotta, R.J., Van Duppen, P., Wyss, R.

“…The Geiger–Nuttall (GN) law relates the partial α-decay half-life with the energy of the escaping α particle and contains for every isotopic chain two…”
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Microscopic theory of cluster radioactivity by Lovas, R.G., Liotta, R.J., Insolia, A., Varga, K., Delion, D.S.

“…Recent developments in the dynamical microscopic theories of cluster decay are reviewed with special emphasis on the nuclear structure aspects and physical…”
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Exact and approximate calculation of giant resonances by Vertse, T., Liotta, R.J., Maglione, E.

“…Energies, sum rules and partial decay widths of giant resonances in 208Pb are calculated solving exactly the continuum RPA equations corresponding to a central…”
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Analytic proof of partial conservation of seniority in shells by Qi, Chong, Xu, Z.X., Liotta, R.J.

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The Giant Pairing Vibration in heavy nuclei by Assié, M, Dasso, C H, Liotta, R J, Macchiavelli, A O, Vitturi, A

“…The Giant Pairing Vibration, a two-nucleon collective mode originating from the second shell above the Fermi surface, has long been predicted and expected to…”
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Multistep shell model description of spin-aligned neutron–proton pair coupling by Xu, Z.X., Qi, C., Blomqvist, J., Liotta, R.J., Wyss, R.

“…The recently proposed spin-aligned neutron–proton pair coupling scheme is studied within a non-orthogonal basis in term of the multistep shell model. This…”
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Analytic proof of partial conservation of seniority in j=9/2 shells by Qi, Chong, Xu, Z.X., Liotta, R.J.

“…A partial conservation of the seniority quantum number in j=9/2 shells has been found recently in a numerical application. In this paper an analytic proof for…”
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Theories of proton emission by Delion, D.S., Liotta, R.J., Wyss, R.

“…Proton emission studies are presently the focal point of nuclear structure as well as nuclear reaction investigations in rare nuclei. Theoretical approaches to…”
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Analysis of the unbound spectrum of 12Li by Xu, Z.X., Liotta, R.J., Qi, C., Roger, T., Roussel-Chomaz, P., Savajols, H., Wyss, R.

“…The unbound nucleus 12Li is evaluated by studying three-neutron one-proton excitations within the multistep shell model in the complex energy plane. It is…”
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One- and two-quasiparticle states in the complex energy plane by Dussel, G.G., Id Betan, R., Liotta, R.J., Vertse, T.

“…One- and two-quasiparticle states are studied in the complex energy plane. It is found that the pairing interaction does not change the character of the…”
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A shell model representation with antibound states by Id Betan, R., Liotta, R.J., Sandulescu, N., Vertse, T.

“…An unified shell model scheme is introduced that evaluates simultaneously the contributions of bound single-particle states, Gamow resonances and antibound…”
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Systematics of Proton Emission by Delion, D.S., Liotta, R.J., Wyss, R., KTH, Alba Nova University Center, SE-10691 Stockholm

“…A very simple formula is presented that relates the logarithm of the half-life, corrected by the centrifugal barrier, with the Coulomb parameter in proton…”
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A representation to describe nuclear processes in the continuum by Liotta, R.J., Maglione, E., Sandulescu, N., Vertse, T.

“…Bound single-particle states, outgoing resonances and a limited number of scattering states along a path in the complex k-plane (Berggren space) are used as a…”
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BCS equations in the continuum by Sandulescu, N., Liotta, R.J., Wyss, R.

“…The BCS equations are extended to incorporate the contribution of the resonant part of the continuum single-particle spectrum. The effect of the resonant…”
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Particle-Unstable Nuclei in the Hartree-Fock Theory by Kruppa, A. T., Heenen, P.-H., Flocard, H., Liotta, R. J.

“…Ground state energies and decay widths of particle unstable nuclei are calculated within the Hartree-Fock approximation by performing a complex scaling of the…”
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Alpha and exotic cluster decay with a new single particle basis by Delion, D.S., Insolia, A., Liotta, R.J.

“…A single particle basis consisting of two different harmonic oscillator representations is introduced with the aim of studying microscopically alpha and…”
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Generalized seniority scheme in light Sn isotopes by Sandulescu, N., Blomqvist, J., Engeland, T., Hjorth-Jensen, M., Holt, A., Liotta, R. J., Osnes, E.

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Low-lying states of 109Sn from the 106Cd( α, nγ) reaction by Dankó, I., Dombrádi, Zs, Gácsi, Z., Gulyás, J., Krasznahorkay, A., Sandulescu, N., Blomqvist, J., Liotta, R.J.

“…Measurements of γ-ray, γγ-coincidence and internal conversion electron spectra from the 106Cd( α, nγ) 109Sn reaction were carried out at 15–20 MeV α-particle…”
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Microscopic description of light Sn isotopes by Sandulescu, N., Blomqvist, J., Liotta, R.J.

“…The quasiparticle multistep shell model method is applied to calculate the spectra of light Sn isotopes. A simple interpretation of the main excitations is…”
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Absolute alpha decay width of sup 212 Po in a combined shell and cluster model by Varga, K., Lovas, R.G., Liotta, R.J.

“…We give a parameter-free microscopic description of the {alpha} decay of the ground state of {sup 212}Po by expanding the parent wave function over a basis…”
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