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NSR database version of May 20, 2024.

Search: Author = M.Mattiuzzi

Found 27 matches.

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2001DI01      Phys.Rev. C63, 014611 (2001)

I.Dioszegi, N.P.Shaw, A.Bracco, F.Camera, S.Tettoni, M.Mattiuzzi, P.Paul

Fission Hindrance in 200Pb Measured from Giant Dipole Resonance γ-Ray Emission

NUCLEAR REACTIONS 181Ta(19F, X), E=161, 181 MeV; measured Eγ, Iγ, (fragment)γ-coin following compound nucleus fission. 200Pb deduced GDR decay features, fission hindrance, nuclear viscosity parameter. Statistical model analysis.

doi: 10.1103/PhysRevC.63.014611
Citations: PlumX Metrics


1999BA84      Nucl.Phys. A657, 113 (1999)

R.A.Bark, S.Tormanen, T.Back, B.Cederwall, S.W.Odegard, J.F.C.Cocks, K.Helariutta, P.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, P.Rahkila, A.Savelius, M.Bergstrom, F.Ingebretsen, A.Maj, M.Mattiuzzi, W.Mueller, L.L.Riedinger, T.Saitoh, P.O.Tjom

Coexistence of Triaxial and Prolate Shapes in 171Ir

NUCLEAR REACTIONS 116Sn(58Ni, 2np), E=260, 267 MeV; measured Eγ, Iγ, (recoil)γ-, γγ-coin. 171Ir deduced high-spin levels, J, π, rotational band structure, configurations, triaxiality, shaped-coexistance, band mixing. Cranked mean-field calculations, potential energy surfaces, tilted-axis cranking.

doi: 10.1016/S0375-9474(99)00319-X
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


1999CA22      Nucl.Phys. A649, 115c (1999)

F.Camera, A.Bracco, G.Colombo, S.Leoni, B.Million, M.Mattiuzzi, A.Maj, M.Kmiecik, B.Herskind, R.Bark, I.Bearden, J.J.Gaardhoje, E.W.Ormand

The GDR in Hg and Eu Nuclei from Selected Decay Chains

NUCLEAR REACTIONS 164Dy(30Si, xn), E=142 MeV; measured Eγ, Iγ, γγ-coin. 194Hg deduced GDR width vs spin. 110Pd(37Cl, 4n), E=165 MeV; measured Eγ, Iγ, γγ-coin. 143Eu deduced possible superdeformed GDR features. High-energy, discrete γ coincidence.

doi: 10.1016/S0375-9474(99)00048-2
Citations: PlumX Metrics


1999CA25      Phys.Rev. C60, 014306 (1999)

F.Camera, A.Bracco, S.Leoni, B.Million, M.Mattiuzzi, M.Pignanelli, A.Maj, M.Kmiecik, R.Bark, I.Bearden, J.J.Gaardhoje, W.E.Ormand, T.Lonnroth, R.Osterbacka

Probing the Shape of Hot 194Hg at High Spins with the Giant Dipole Resonance Decay in Selected Cascades

NUCLEAR REACTIONS 164Dy(30Si, X), E=142 MeV; measured Eγ, Iγ, γγ-coin. 194Hg deduced GDR width vs angular momentum, no superdeformed effects. Ge, BaF detectors.

doi: 10.1103/PhysRevC.60.014306
Citations: PlumX Metrics


1998CA19      Eur.Phys.J. A 2, 1 (1998)

F.Camera, A.Bracco, A.Maj, B.Herskind, A.Atac, P.Bosetti, R.Bark, I.G.Bearden, J.J.Gaardhoje, M.Kmiecik, S.Leoni, M.Mattiuzzi, G.Turri

The γ-Decay of the GDR Built on Superdeformed States in 143Eu

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=165 MeV; measured Eγ, Iγ, γγ-coin. 143Eu deduced possible γ-decay of GDR built on superdeformed configuration.

doi: 10.1007/s100500050080
Citations: PlumX Metrics


1998CA36      Acta Phys.Hung.N.S. 7, 385 (1998)

F.Camera, A.Bracco, A.Maj, S.Leoni, M.Mattiuzzi, B.Million, G.Turri, M.Kmiecik

GDR Excited in Rotating Nuclei - Recent Developments

NUCLEAR STRUCTURE Sn; analyzed data for A=106-112, 120; deduced no GDR centroid, width dependence on spin, excitation energy.

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=165 MeV; measured Eγ, Iγ, γγ-coin. 143Eu deduced GDR built on superdeformed states.


1997BA63      Z.Phys. A359, 5 (1997)

R.A.Bark, P.Bosetti, G.B.Hagemann, H.Ryde, A.Brockstedt, H.Carlsson, L.P.Ekstrom, A.Nordlund, B.Herskind, S.Leoni, A.Bracco, F.Camera, S.Frattini, M.Mattiuzzi, B.Million, C.Rossi-Alvarez, G.de Angelis, D.Bazzacco, S.Lunardi, M.De Poli

High-K Band Structures in 164Er

NUCLEAR REACTIONS 150Nd(18O, 4n), E=87 MeV; measured Eγ, Iγ, γγ-coin. 164Er deduced high-spin levels, J, π, K, band configurations, B(λ) ratios.

doi: 10.1007/s002180050357
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Data from this article have been entered in the XUNDL database. For more information, click here.


1997BR41      Acta Phys.Hung.N.S. 6, 83 (1997)

A.Bracco, F.Camera, A.Maj, B.Herskind, A.Atac, P.Bosetti, R.Bark, I.G.Bearden, J.J.Gaardhoje, M.Kmiecik, S.Leoni, M.Mattiuzzi, G.Turri

The Giant Dipole Resonance in the Superdeformed 143Eu Nucleus

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=165 MeV; measured Eγ, Iγ, γγ-coin, γ-ray multiplicity vs energy. 143Eu deduced GDR built on superdeformed states. Statistical model calculations.


1997CA27      Acta Phys.Pol. B28, 207 (1997)

F.Camera, A.Bracco, A.Atac, R.Bark, I.G.Bearden, J.J.Gaardhoje, B.Herskind, M.Kmiecik, S.Leoni, M.Mattiuzzi, A.Maj, G.Turri

GDR in Superdeformed Nuclei

NUCLEAR REACTIONS 110Pd(37Cl, 4n), E=165 MeV; measured Eγ, Iγ, γγ-coin. 143Eu deduced evidence for superdeformation associated GDR. BaF2, HPGe detectors.


1997HA23      Nucl.Phys. A618, 199 (1997)

G.B.Hagemann, H.Ryde, P.Bosetti, A.Brockstedt, H.Carlsson, L.P.Ekstrom, A.Nordlund, R.A.Bark, B.Herskind, S.Leoni, A.Bracco, F.Camera, S.Frattini, M.Mattiuzzi, B.Million, C.Rossi-Alvarez, G.de Angelis, D.Bazzacco, S.Lunardi, M.De Poli

Interactions between a Multitude of Rotational Bands in Well Deformed Odd Nuclei: A new method for spin and parity assignment

NUCLEAR REACTIONS 150Nd(18O, 5n), E=87 MeV; measured Eγ, Iγ, DCO ratios, γγγ-coin. 163Er deduced levels, J, π, rotational bands, multi-quasiparticle structure, strength of band interactions. Enriched target, array of Compton suppressed Ge detectors.

doi: 10.1016/S0375-9474(97)00056-0
Citations: PlumX Metrics


1997MA03      Nucl.Phys. A612, 262 (1997)

M.Mattiuzzi, A.Bracco, F.Camera, W.E.Ormand, J.J.Gaardhoje, A.Maj, B.Million, M.Pignanelli, T.Tveter

Angular Momentum Dependence of the GDR Width in Sn Nuclei at Fixed Excitation Energy

NUCLEAR REACTIONS 48Ti(58Ni, X), E=260 MeV; measured high energy γ(evaporation residue)-coin. 106Sn deduced GDR width angular dependence. Adiabatic model, thermal fluctuations, 176W GDR features analyzed.

doi: 10.1016/S0375-9474(96)00335-1
Citations: PlumX Metrics


1997MA80      Acta Phys.Hung.N.S. 6, 69 (1997)

A.Maj, M.Kmiecik, A.Bracco, F.Camera, M.Mattiuzzi, B.Herskind, J.J.Gaardhoje, T.S.Tveter

Hot Nuclei - Effective Shapes and Entrance Channel Effect

NUCLEAR STRUCTURE 162Yb, 166Er; calculated free energy vs temperature, deformation, angular frequency; deduced GDR strength function related features.

NUCLEAR REACTIONS 122Te(48Ti, X), E=208, 215 MeV; 110Pd(60Ni, X), E=255, 260 MeV; calculated reaction shape evolution; analyzed γ-ray, neutron fold distributions; deduced GDR γ-decay related features, possible entrance channel effect.


1997MI24      Phys.Lett. 415B, 321 (1997)

B.Million, S.Leoni, A.Bracco, J.Moretti, S.Frattini, P.Bosetti, F.Camera, M.Mattiuzzi, B.Herskind, R.A.Bark, I.Bearden, G.B.Hagemann, H.J.Jensen

Lifetime Measurements of the Rotational Quasi-Continuum Transitions in 163Tm

NUCLEAR REACTIONS 130Te(37Cl, 4n), E=166 MeV; measured Eγ, Iγ, γγ-coin, DSA. 163Tm deduced discrete, quasicontinuum levels T1/2, B(E2).

doi: 10.1016/S0370-2693(97)01271-9
Citations: PlumX Metrics


1997SH36      Nucl.Phys. A626, 760 (1997)

T.Shizuma, G.Sletten, R.A.Bark, I.G.Bearden, S.Leoni, M.Mattiuzzi, S.Mitarai, S.W.Odegard, S.Skoda, K.Strahle, J.Wrzesinski, Y.R.Shimizu

Multi-Quasiparticle States and K-Forbiddenness in 177W

NUCLEAR REACTIONS 164Dy(18O, 5n), E=83 MeV; measured Eγ, Iγ, γγ-coin, DCO. 177W deduced high-spin levels J, π, δ, configurations, g-factors, isomer T1/2.

doi: 10.1016/S0375-9474(97)00585-X
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


1996BO01      Phys.Rev.Lett. 76, 1204 (1996)

P.Bosetti, S.Leoni, A.Bracco, B.Herskind, T.Dossing, G.B.Hagemann, R.Bark, A.Brockstedt, P.Ekstrom, H.Carlsson, A.Nordlund, H.Ryde, F.Camera, S.Frattini, M.Mattiuzzi, B.Million, D.Bazzacco, R.Burch, G.de Angelis, D.De Acuna, M.de Poli, P.Pavan

Possible Conservation of the K-Quantum Number in Excited Rotating Nuclei

NUCLEAR REACTIONS 150Nd(18O, xn), E=87 MeV; measured γγγ-coin. 163Er deduced low-, high-K rotational band characteristics.

doi: 10.1103/PhysRevLett.76.1204
Citations: PlumX Metrics


1996BR08      Nucl.Phys. A599, 83c (1996)

A.Bracco, F.Camera, M.Mattiuzzi, D.Gnaccolini, B.Million, J.J.Gaardhoje, A.Maj, T.Tveter

Thermal Fluctuation and Collisional Damping Effects in the Hot Giant Dipole Resonance

NUCLEAR STRUCTURE 109,110Sn; analyzed GDR width. 166,165Er; analyzed γ-spectra, dipole strength function; deduced GDR damping mechanism in hot nuclei.

doi: 10.1016/0375-9474(96)00049-8
Citations: PlumX Metrics


1996MA34      Acta Phys.Pol. B27, 541 (1996)

A.Maj, M.Kmiecik, F.Camera, B.Herskind, J.J.Gaardhoje, A.Bracco, A.Atac, R.A.Bark, I.G.Bearden, P.Bosetti, S.Leoni, M.Mattiuzzi, T.S.Tveter, Z.Zelazny

Array of Anti-Compton Spectrometers as a Trigger in GDR Studies

NUCLEAR REACTIONS 110Pd(37Cl, xn), E=160, 170 MeV; measured high energy particle gated γ-spectra; deduced GDR decay characteristics. 143Eu deduced possible GDR low lying component.


1995BR06      Nucl.Phys. A583, 83c (1995)

A.Bracco, F.Camera, M.Mattiuzzi, B.Million, M.Pignanelli

The GDR at Finite Temperature in Medium and Very Heavy Mass Regions

NUCLEAR REACTIONS 48Ti(62Ni, X), (61Ni, X), E=223, 203 MeV; measured Iγ(θ), strength functions; 232Th(40Ar, F), E=10.5, 15 MeV/nucleon; measured fission (fragment)γ-coin. 110,109Sn deduced GDR energy, width characteristics. 272Hs deduced pre-fission GDR component possible location.

doi: 10.1016/0375-9474(94)00636-2
Citations: PlumX Metrics


1995BR11      Phys.Rev.Lett. 74, 3748 (1995)

A.Bracco, F.Camera, M.Mattiuzzi, B.Million, M.Pignanelli, J.J.Gaardhoje, A.Maj, T.Ramsoy, T.Tveter, Z.Zelazny

Increase in Width of the Giant Dipole Resonance in Hot Nuclei: Shape change or collisional damping ( Question )

NUCLEAR REACTIONS 62,61Ni(48Ti, X), E=223, 203 MeV; measured γ(θ), strength function. 109,110Sn deduced GDR, Γ.

doi: 10.1103/PhysRevLett.74.3748
Citations: PlumX Metrics


1995BR19      Acta Phys.Pol. B26, 407 (1995)

A.Bracco, F.Camera, M.Mattiuzzi, B.Million, M.Pignanelli, J.J.Gaardhoje, T.Ramsoy, T.Tveter, Z.Zelazny, A.Maj

The Damping of the GDR at Finite Temperature: Recent progress

NUCLEAR REACTIONS 70Zn(36Ar, X), E=27 MeV/nucleon; 62,61Ni(48Ti, X), E=203, 223 MeV; 148Nd(28Si, X), E=147 MeV; compiled, reviewed γ-spectra data; deduced GDR damping, other characteristic vs T for mass 110, 170. Hot rotating nuclei.


1995CA23      Acta Phys.Pol. B26, 479 (1995)

F.Camera, A.Bracco, P.Bosetti, M.Mattiuzzi, G.Lo Bianco, M.Pignanelli, J.J.Gaardhoje, Z.Zelazny, I.G.Bearden, A.Maj

Detecting High Energy γ-Rays with HPGe Detectors

NUCLEAR REACTIONS 2H(11B, n), E=19 MeV; measured Eγ, Iγ. Hyperpure Ge detector, ' adding mode ' technique.


1995MA54      Acta Phys.Pol. B26, 417 (1995)

A.Maj, T.S.Tveter, J.J.Gaardhoje, B.Herskind, G.Sletten, T.Ramsoy, A.Atac, W.Korten, A.Bracco, F.Camera, M.Mattiuzzi, B.Million, M.Pignanelli, J.Bacelar, A.Buda, H.van der Ploeg, W.Krolas, H.Nifenecker, F.Schussler, J.A.Pinston, A.Menthe, P.Paul, D.J.Hofman, I.Dioszegi, S.Schadmand

Hot Superheavy Nuclei Seen with the GDR γ-Decay

NUCLEAR REACTIONS 232Th(40Ar, F), E=6.8-15 MeV/nucleon; 232Th(37Cl, F), E=7.3 MeV/nucleon; measured fission (fragment)γ-coin. 272Hs, 269Bh deduced GDR γ-decay features. Other reaction data, aspects reviewed.


1995MA55      Acta Phys.Pol. B26, 467 (1995)

M.Mattiuzzi, A.Bracco, F.Camera, B.Million, J.J.Gaardhoje, A.Maj, T.Tveter, Z.Zelazny

Angular Momentum Dependence of the GDR Observables of A = 170 Nuclei at Finite Temperature

NUCLEAR REACTIONS 148Nd(28Si, X), E=147 MeV; measured Eγ, Iγ(θ), strength function. 176W deduced GDR observables angular momentum at finite temperature dependence.


1995MA84      Phys.Lett. 364B, 13 (1995)

M.Mattiuzzi, A.Bracco, F.Camera, B.Million, M.Pignanelli, J.J.Gaardhoje, A.Maj, T.Ramsoy, T.Tveter, Z.Zelazny

Thermal Fluctuation and Collisional Damping Effects in the GDR Observables in Hot Rotating 176W Nuclei

NUCLEAR REACTIONS 148Nd(28Si, X), E=147 MeV; measured γγ-coin, Eγ, Iγ. 176W deduced GDR width, thermal fluctuation, collisional damping effects role.

doi: 10.1016/0370-2693(95)01230-5
Citations: PlumX Metrics


1995ZE03      Acta Phys.Pol. B26, 459 (1995)

Z.Zelazny, J.J.Gaardhoje, A.Maj, T.S.Tveter, F.Camera, M.Mattiuzzi, A.Bracco, B.Million, M.Pignanelli

Does the Compound Nucleus Remember Its Way of Formation ( Question ); Hot GDR spectroscopy in the Yb-Dy region

NUCLEAR REACTIONS 144Sm(17O, X), (18O, X), 113,114Cd(48Ti, X), 128,130Te(28Si, X), (29Si, X), E not given; analyzed Iγ, other data. 162Yb, 158Dy deduced GDR decay features. Hot compound systems.


1994BR08      Nucl.Phys. A569, 51c (1994)

A.Bracco, F.Camera, M.Mattiuzzi, B.Million, M.Pignanelli, C.Volpe, J.J.Gaardhoje, A.Maj, Z.Zelazny, T.Tveter

Thermal and Quantal Fluctuations as Probed by the GDR Observables

NUCLEAR REACTIONS 61,62Ni(48Ti, X), E not given; analyzed Iγ(θ), γ strength function data. 110Sn deduced GDR parameters.

doi: 10.1016/0375-9474(94)90095-7
Citations: PlumX Metrics


1994CA47      Nucl.Instrum.Methods Phys.Res. A351, 401 (1994)

F.Camera, A.Bracco, M.Mattiuzzi, G.Lo Bianco, M.Pignanelli, J.J.Gaardhoje, I.G.Bearden, Z.Zelazny, A.Maj

The response of a HPGe Detector with a BGO Shield to High Energy γ-Rays

NUCLEAR REACTIONS 2H(11B, n), E=19 MeV; measured Eγ, Iγ; deduced detector response. Hyperpure Ge detector with a BGO anti-Compton shield.

doi: 10.1016/0168-9002(94)91369-2
Citations: PlumX Metrics


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