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NSR database version of April 27, 2024.

Search: Author = U.Emanuele

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2022PA19      Phys.Rev. C 105, 064611 (2022)

C.Parascandolo, D.Pierroutsakou, R.Alba, A.Del Zoppo, C.Maiolino, D.Santonocito, C.Agodi, V.Baran, A.Boiano, M.Colonna, R.Coniglione, E.De Filippo, A.Di Nitto, U.Emanuele, F.Farinon, A.Guglielmetti, G.Inglima, M.La Commara, G.La Rana, B.Martin, C.Mazzocchi, M.Mazzocco, C.Rizzo, M.Romoli, M.Sandoli, C.Signorini, R.Silvestri, F.Soramel, A.Trifiro, M.Trimarchi, E.Vardaci

Dynamical dipole excitation in the fission of a ⁴⁰Ca + ¹⁵²Sm composite system

NUCLEAR REACTIONS ¹⁵²Sm(⁴⁰Ca, X), E=11 MeV/nucleon;¹⁴⁴Sm(⁴⁸Ca, X), E=10.1 MeV/nucleon; measured reaction products, time of flight, fission fragments, Eγ, Iγ, Ep, Ip, Eα, Iα, (fragments)γ-coin, pγ-coin, αγ-coin, (fragments)α-coin, (fragments)p-coin angular distributions; deduced total kinetic energy, preeqilibrium particle emission - multiplicity and energy, anisotropy coefficient of the prescission γ-ray emission, prescission γ-ray angular distribution, giant dipole resonance parameters. Established the excitation of pre-equilibrium GDR or the so-called dynamical dipole mode (DD) in a heavy system for a large range of impact parameters. Comparison to statistical model predictions. MEDEA BaF² array and PPAC detectors at superconducting Cyclotron (INFN-LNS, Catania).

doi: 10.1103/PhysRevC.105.064611
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2016PA12      Phys.Rev. C 93, 044619 (2016)

C.Parascandolo, D.Pierroutsakou, R.Alba, A.Del Zoppo, C.Maiolino, D.Santonocito, C.Agodi, V.Baran, A.Boiano, M.Colonna, R.Coniglione, E.De Filippo, M.Di Toro, U.Emanuele, F.Farinon, A.Guglielmetti, G.Inglima, M.La Commara, B.Martin, C.Mazzocchi, M.Mazzocco, C.Rizzo, M.Romoli, M.Sandoli, C.Signorini, R.Silvestri, F.Soramel, E.Strano, D.Torresi, A.Trifiro, M.Trimarchi

Evidence of dynamical dipole excitation in the fusion-evaporation of the ⁴⁰Ca + ¹⁵²Sm heavy system

NUCLEAR REACTIONS ¹⁵²Sm(⁴⁰Ca, X), E=11 MeV/nucleon; ¹⁴⁴Sm(⁴⁸Ca, X), E=10.1 MeV/nucleon; measured high-energy Eγ, Iγ, proton and α-particle multiplicity spectra, (evaporation residues)γ- and (evaporation residues)(proton and α)-coin, particle and γ-ray angular distributions, time of flight vs total energy contours using MEDEA multidetector array at Laboratori Nazionali del Sud. Dynamical dipole (DD) excitation or preequilibrium giant dipole resonance. ¹⁸⁹Hg; deduced GDR resonances, GDR widths. Comparison with Boltzmann-Nordheim-Vlasov (BNV) transport model calculations. Implications for the search of superheavy-element.

doi: 10.1103/PhysRevC.93.044619
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2013PA08      Acta Phys.Pol. B44, 605 (2013)

C.Parascandolo, D.Pierroutsakou, C.Agodi, R.Alba, V.Baran, A.Boiano, M.Colonna, R.Coniglione, E.De Filippo, A.Del Zoppo, M.Di Toro, U.Emanuele, F.Farinon, A.Guglielmetti, M.La Commara, C.Maiolino, B.Martin, M.Mazzocco, C.Mazzocchi, C.Rizzo, M.Romoli, D.Santonocito, C.Signorini, R.Silvestri, F.Soramel, E.Strano, D.Torresi, A.Trifiro, M.Trimarchi

Dynamical Dipole Mode in the ¹⁹²Pb Mass Region

NUCLEAR REACTIONS ¹⁵²Sm(⁴⁰Ca, X)¹⁹²Pb, E=440 MeV; ¹⁴⁴Sm(⁴⁸Ca, X)¹⁹²Pb, E=485 MeV; measured reaction products, Eγ, Iγ; deduced compound nucleus, σ(θ, E), dynamic dipole lifetime, Giant dipole resonance. Comparison with CASCADE code calculations.

doi: 10.5506/APhysPolB.44.605
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2011PA07      Acta Phys.Pol. B42, 629 (2011)

C.Parascandolo, D.Pierroutsakou, R.Silvestri, C.Agodi, R.Alba, V.Baran, A.Boiano, M.Colonna, R.Coniglione, E.De Filippo, A.Del Zoppo, M.Di Toro, U.Emanuele, F.Farinon, A.Guglielmetti, G.Inglima, M.La Commara, C.Maiolino, B.Martin, M.Mazzocco, C.Mazzocchi, P.Molini, C.Rizzo, M.Romoli, M.Sandoli, D.Santonocito, C.Signorini, F.Soramel, A.Trifiro, M.Trimarchi

Investigation of the Dynamical Dipole Mode in the ¹⁹²Pb Mass Region

NUCLEAR REACTIONS ¹⁵²Sm(⁴⁰Ca, X)¹⁹²Pb, E=11 MeV/nucleon; ¹⁴⁴Sm(⁴⁸Ca, X)¹⁹²Pb, E=10.1 MeV/nucleon; measured Eγ, Iγ; deduced γ-spectra difference for fusion-evaporation and fission events.

doi: 10.5506/APhysPolB.42.629
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2011SI31      J.Phys.:Conf.Ser. 312, 082039 (2011)

R.Silvestri, D.Pierroutsakou, C.Parascandolo, C.Agodi, R.Alba, V.Baran, A.Boiano, M.Colonna, R.Coniglione, E.De Filippo, A.Del Zoppo, M.Di Toro, U.Emanuele, F.Farinon, A.Guglielmetti, G.Inglima, M.La Commara, C.Maiolino, B.Martin, M.Mazzocco, C.Mazzocchi, P.Molini, C.Rizzo, M.Romoli, M.Sandoli, D.Santonocito, C.Signorini, F.Soramel, A.Trifiro, M.Trimarchi

Search for the Dynamical Dipole mode in the ¹⁹²Pb mass region

NUCLEAR REACTIONS ¹⁴⁴Sm(⁴⁸Ca, X), E=10.1 MeV/nucleon;¹⁵²Sm(⁴⁰Ca, X), E=11 MeV/nucleon; measured Eγ, Iγ(θ) using MEDEA in coincidence with ER and fission fragments; calculated σ(Eγ, θ) using CASCADE; deduced σ(Eγ, θ), difference between the two reactions, dynamical dipole mode. Preliminary.

doi: 10.1088/1742-6596/312/4/082039
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2010PA21      Nucl.Phys. A834, 198c (2010)

C.Parascandolo, D.Pierroutsakou, B.Martin, C.Agodi, R.Alba, A.Boiano, R.Coniglione, E.De Filippo, A.Del Zoppo, U.Emanuele, F.Farinon, A.Guglielmetti, G.Inglima, M.La Commara, C.Maiolino, C.Mazzocchi, M.Mazzocco, M.Romoli, M.Sandoli, D.Santonocito, C.Signorini, R.Silvestri, A.Trifiro, M.Trimarchi

Dynamical dipole mode in heavy-ion fusion reactions

NUCLEAR REACTIONS ¹⁴⁴Sm(⁴⁸Ca, X), E=10.1 MeV/nucleon; ¹⁵²Sm(⁴⁰Ca, X), E=11 MeV/nucleon; measured Eγ, Iγ(θ), E(particle), I(particle), (particle)γ-coin, fission fragments; deduced reaction mechanism features, dynamical dipole mode effects. Discussed fission versus fusion-evaporation γ-spectra differences.

doi: 10.1016/j.nuclphysa.2009.12.039
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