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NSR database version of April 26, 2024.

Search: Author = N.Lecesne

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2024LE05      Phys.Rev.Lett. 132, 132501 (2024)

M.Le Joubioux, H.Savajols, W.Mittig, X.Flechard, L.Hayen, Yu.E.Penionzhkevich, D.Ackermann, C.Borcea, L.Caceres, P.Delahaye, F.Didierjean, S.Franchoo, A.Grillet, B.Jacquot, M.Lebois, X.Ledoux, N.Lecesne, E.Lienard, S.Lukyanov, O.Naviliat-Cuncic, J.Piot, A.Singh, V.Smirnov, C.Stodel, D.Testov, D.Thisse, J.C.Thomas, D.Verney

Search for a Neutron Dark Decay in ⁶He

RADIOACTIVITY ⁶He(α), (2n), (n); measured decay products, En, In. ¹NN; deduced a coincident neutron signal resulted in an upper limit on a dark decay branching ratio, an upper bound on a dark neutron branching ratio. The Grand Accelerateur National d'Ions Lourds (GANIL) SPIRAL1 facility.

doi: 10.1103/PhysRevLett.132.132501
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2017FE10      Nat. Commun. 8, 14520 (2017)

R.Ferrer, A.Barzakh, B.Bastin, R.Beerwerth, M.Block, P.Creemers, H.Grawe, R.de Groote, P.Delahaye, X.Flechard, S.Franchoo, S.Fritzsche, L.P.Gaffney, L.Ghys, W.Gins, C.Granados, R.Heinke, L.Hijazi, M.Huyse, T.Kron, Yu.Kudryavtsev, M.Laatiaoui, N.Lecesne, M.Loiselet, F.Lutton, I.D.Moore, Y.Martínez, E.Mogilevskiy, P.Naubereit, J.Piot, S.Raeder, S.Rothe, H.Savajols, S.Sels, V.Sonnenschein, J-C.Thomas, E.Traykov, C.Van Beveren, P.Van den Bergh, P.Van Duppen, K.Wendt, A.Zadvornaya

Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion

NUCLEAR MOMENTS ^{212,213,214,215,227}Ac; measured frequencies; deduced hfs spectra, magnetic dipole and electric quadrupole moments. In-gas laser ionization and spectroscopy (IGLIS) technique.

doi: 10.1038/ncomms14520
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2017GR18      Phys.Rev. C 96, 054331 (2017)

C.Granados, P.Creemers, R.Ferrer, L.P.Gaffney, W.Gins, R.de Groote, M.Huyse, Yu.Kudryavtsev, Y.Martinez, S.Raeder, S.Sels, C.Van Beveren, P.Van den Bergh, P.Van Duppen, K.Wrzosek-Lipska, A.Zadvornaya, A.E.Barzakh, B.Bastin, P.Delahaye, L.Hijazi, N.Lecesne, F.Luton, J.Piot, H.Savajols, J.-C.Thomas, E.Traykov, R.Beerwerth, S.Fritzsche, M.Block, X.Flechard, S.Franchoo, L.Ghys, H.Grawe, R.Heinke, T.Kron, P.Naubereit, K.Wendt, M.Laatiaoui, I.Moore, V.Sonnenschein, M.Loiselet, E.Mogilevskiy, S.Rothe

In-gas laser ionization and spectroscopy of actinium isotopes near the N=126 closed shell

NUCLEAR MOMENTS ^{212,213,214,215,227}Ac; measured optical hyperfine spectra by the in-gas laser ionization and spectroscopy (IGLIS) technique at the LISOL facility of Cyclotron Research Centre, Louvain-la-Neuve; deduced g factors, quadrupole moments and spins of the ground states, configurations. Comparison with large-scale nuclear-shell-model calculations. ^212,213Ac produced in ¹⁹⁷Au(²⁰Ne, 5n), (²⁰Ne, 4n), E=145 MeV. ^214,215Ac produced in ¹⁹⁷Au(²²Ne, 5n), (²²Ne, 4n), E=143 MeV.

RADIOACTIVITY ²¹⁵Ac(α)[from ¹⁹⁷Au(²²Ne, 4n), E=143 MeV; measured Eα.

doi: 10.1103/PhysRevC.96.054331
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2017RA01      Hyperfine Interactions 238, 15 (2017)

S.Raeder, T.Kron, R.Heinke, J.L.Henares, N.Lecesne, P.Schonberg, M.Trumper, K.Wend

High resolution spectroscopy of the hyperfine structure splitting in ^{97, 99}Tc

NUCLEAR MOMENTS ^97,99Tc; measured hyperfine structures; deduced isotope shifts, magnetic dipole moments.

doi: 10.1007/s10751-016-1389-z
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2016FE11      Nat. Commun. 8, 14520 (2016), See 2017FE10

R.Ferrer, A.Barzakh, B.Bastin, R.Beerwerth, M.Block, P.Creemers, H.Grawe, R.de Groote, P.Delahaye, X.Flechard, S.Franchoo, S.Fritzsche, L.P.Gaffney, L.Ghys, W.Gins, C.Granados, R.Heinke, L.Hijazi, M.Huyse, T.Kron, Yu.Kudryavtsev, M.Laatiaoui, N.Lecesne, M.Loiselet, F.Lutton, I.D.Moore, Y.Martinez, E.Mogilevskiy, P.Naubereit, J.Piot, S.Raeder, S.Rothe, H.Savajols, S.Sels, V.Sonnenschein, J-C.Thomas, E.Traykov, C.Van Beveren, P.Van den Bergh, P.Van Duppen, K.Wendt, A.Zadvornaya

Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion

NUCLEAR MOMENTS ^{212,213,214,215,227}Ac; measured frequencies; deduced nuclear magnetic moments, electric quadrupole moments, radii. Comparison with theoretical calculations, experimental data.

doi: 10.1038/ncomms14520
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2015FI07      Phys.Rev.X 5, 011018 (2015)

D.A.Fink, T.E.Cocolios, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.Ghys, A.Gottberg, M.Huyse, N.Imai, T.Kron, N.Lecesne, K.M.Lynch, B.A.Marsh, D.Pauwels, E.Rapisarda, S.D.Richter, R.E.Rossel, S.Rothe, M.D.Seliverstov, A.M.Sjodin, C.Van Beveren, P.Van Duppen, K.D.A.Wendt

In-Source Laser Spectroscopy with the Laser Ion Source and Trap: First Direct Study of the Ground-State Properties of ^{217, 219}Po

NUCLEAR MOMENTS ^216,217,218Po [from ²³⁸U(p, X), E=1.4 GeV]; measured resonance spectra, Eα, Iα; deduced g-factors, mean-square charge radii, electromagnetic nuclear moments. In-source laser spectroscopy.

RADIOACTIVITY ²¹⁹Po(α) [from ²³⁸U(p, X), E=1.4 GeV]; measured decay spectra, Eα, Iα; deduced α-decay spectra, branching ratios, T_1/2, hindrance factors. Comparison with available data.

doi: 10.1103/PhysRevX.5.011018
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2015KE06      Phys.Rev. C 92, 054301 (2015)

N.Kesteloot, B.Bastin, L.P.Gaffney, K.Wrzosek-Lipska, K.Auranen, C.Bauer, M.Bender, V.Bildstein, A.Blazhev, S.Bonig, N.Bree, E.Clement, T.E.Cocolios, A.Damyanova, I.Darby, H.De Witte, D.DiJulio, J.Diriken, C.Fransen, J.E.Garcia-Ramos, R.Gernhauser, T.Grahn, P.-H.Heenen, H.Hess, K.Heyde, M.Huyse, J.Iwanicki, U.Jakobsson, J.Konki, T.Kroll, B.Laurent, N.Lecesne, R.Lutter, J.Pakarinen, P.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, M.Scheck, M.Seidlitz, M.Sferrazza, B.Siebeck, M.Sjodin, H.Tornqvist, E.Traykov, J.Van De Walle, P.Van Duppen, M.Vermeulen, D.Voulot, N.Warr, F.Wenander, K.Wimmer, M.Zielinska

Deformation and mixing of coexisting shapes in neutron-deficient polonium isotopes

NUCLEAR REACTIONS ¹⁰⁴Pd(¹⁹⁶Po, ¹⁹⁶Po'), (²⁰⁰Po, ²⁰⁰Po'), (²⁰²Po, ²⁰²Po'), ⁹⁴Mo(¹⁹⁸Po, ¹⁹⁸Po'), (²⁰²Po, ²⁰²Po'), E=2.85 MeV/nucleon, [secondary Po beams from U(p, X), E=1.4 GeV at REX-ISOLDE-CERN facility]; measured Eγ, Iγ, γγ-coin, (Po x ray)γ-coin, (scattered particle)γ-coin, (particle)γ(t), angular distribution of scattered particles, Coulomb excitation yields for excited states in beams and targets during laser-on and laser-off using double-sided silicon-strip detectors (DSSSDs) for particles and Miniball array for γ rays. ^{196,198,200,202}Po; deduced levels, J, π, E2 matrix elements, B(E2), deformation parameters, transition quadrupole moments. ⁹⁴Mo, ¹⁰⁴Pd; deduced levels, Coulomb excitation yields. GOSIA analysis of Coulomb excitation yields. Comparison with predictions of beyond-mean-field (BMF) model, interacting boson model (IBM), general Bohr Hamiltonian (GBH) model, phenomenological two-level mixing model, and with previous measurement of mean-square charge radii.

doi: 10.1103/PhysRevC.92.054301
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2007MU17      Phys.Rev.Lett. 99, 252501 (2007)

P.Mueller, I.A.Sulai, A.C.C.Villari, J.A.Alcantara-Nunez, R.Alves-Conde, K.Bailey, G.W.F.Drake, M.Dubois, C.Eleon, G.Gaubert, R.J.Holt, R.V.F.Janssens, N.Lecesne, Z.-T.Lu, T.P.O'Connor, M.-G.Saint-Laurent, J.-C.Thomas, L.-B.Wang

Nuclear Charge Radius of ⁸He

NUCLEAR MOMENTS ^6,8He; measured isotope shifts. ^6,8He; Deduced nuclear charge radii.

doi: 10.1103/PhysRevLett.99.252501
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2007VI11      Nucl.Phys. A787, 126c (2007)

A.C.C.Villari, C.Eleon, R.Alves-Conde, J.C.Angelique, C.Barue, C.Canet, M.Dubois, M.Dupuis, J.L.Flambard, G.Gaubert, P.Jardin, N.Lecesne, P.Leherissier, F.Lemagnen, R.Leroy, L.Maunoury, J.Y.Pacquet, F.Pellemoine, M.G.Saint-Laurent, C.Stodel, J.C.Thomas

SPIRAL at GANIL: Latest Results and Plans for the Future

NUCLEAR REACTIONS ¹²C(⁴⁸Ca, X)⁸Li/⁹Li/²⁵Na/²⁶Na/²⁷Na/²⁹Al/³⁷K/⁴⁷K, E=60 MeV/nucleon; measured yield.

doi: 10.1016/j.nuclphysa.2006.12.023
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2005GO36      J.Phys.(London) G31, S1869 (2005)

M.B.Gomez Hornillos, M.Chartier, W.Mittig, B.Blank, F.Chautard, C.E.Demonchy, A.Gillibert, B.Jacquot, B.Jurado, N.Lecesne, A.Lepine-Szily, N.A.Orr, P.Roussel-Chomaz, H.Savajols, A.C.C.Villari

Mass measurements with the CIME cyclotron at GANIL

ATOMIC MASSES ¹²C, ¹⁶O, ²⁰Ne, ³²S, ^36,40Ar; measured masses. Cyclotron-based mass spectrometry.

doi: 10.1088/0954-3899/31/10/090
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2005KO43      Eur.Phys.J. A 25, Supplement 1, 729 (2005)

U.Koster, O.Arndt, U.C.Bergmann, R.Catherall, J.Cederkall, I.Dillmann, M.Dubois, F.Durantel, L.Fraile, S.Franchoo, G.Gaubert, L.Gaudefroy, O.Hallmann, C.Huet-Equilbec, B.Jacquot, P.Jardin, K.L.Kratz, N.Lecesne, R.Leroy, A.Lopez, L.Maunoury, J.Y.Pacquet, B.Pfeiffer, M.G.Saint-Laurent, C.Stodel, A.C.C.Villari, L.Weissman

ISOL beams of neutron-rich oxygen isotopes

NUCLEAR REACTIONS U(p, X)¹⁹O/²⁰O/²¹O/²²O, E=1.4GeV; measured yields.

doi: 10.1140/epjad/i2005-06-199-4
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2003GI04      Nucl.Instrum.Methods Phys.Res. B204, 240 (2003)

S.Gibouin, A.C.C.Villari, J.C.Angelique, O.Bajeat, F.Bocage, J.M.Casandjian, S.Essabaa, G.Gaubert, Y.Huguet, A.Joinet, P.Jardin, S.Kandri, A.Khouaja, F.Landre-Pellemoine, C.Lau, N.Lecesne, H.Lefort, R.Leroy, C.Marry, L.Maunoury, D.Nayak, J.Y.Pacquet, M.G.Saint-Laurent, C.Stodel

Efficiency and production yield measurements of radioactive O, N, and F for the spiral facility

NUCLEAR REACTIONS C(¹⁶O, X)¹⁴O/¹⁵O/¹³N, E=95 MeV/nucleon; C(²⁰Ne, X)¹⁸F, E=95 MeV/nucleon; measured fragment yields.

doi: 10.1016/S0168-583X(02)01916-X
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2002LA10      Nucl.Phys. A701, 491c (2002)

F.Landre-Pellemoine, J.C.Angelique, O.Bajeat, C.Barue, R.Bennett, F.Clapier, M.Ducourtieux, G.Gaubert, S.Gibouin, Y.Huguet, P.Jardin, S.Kandri-Rody, C.Lau, N.Lecesne, R.Leroy, M.Lewitowicz, R.Lichtenthaler, C.Marry, L.Maunoury, J.Obert, N.A.Orr, J.Y.Pacquet, M.G.Saint-Laurent, C.Stodel, J.P.Rataud, A.C.C.Villari

Recent Results at the SIRa Test Bench: Diffusion properties of carbon graphite and B₄C targets

doi: 10.1016/S0375-9474(01)01633-5
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2002VI07      Nucl.Phys. A701, 476c (2002)

A.C.C.Villari, C.Barue, G.Gaubert, S.Gibouin, Y.Huguet, P.Jardin, S.Kandri-Rody, F.Landre-Pellemoine, N.Lecesne, R.Leroy, M.Lewitowicz, C.Marry, L.Maunoury, J.Y.Pacquet, J.P.Rataud, M.G.Saint-Laurent, C.Stodel, J.C.Angelique, N.A.Orr, R.Lichtenthaler

Ion Source Developments for RNB Production at SPIRAL/GANIL

doi: 10.1016/S0375-9474(01)01630-X
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1999FE12      Nucl.Instrum.Methods Phys.Res. A437, 490 (1999)

V.Fekou-Youmbi, J.L.Sida, N.Alamanos, X.Charlot, C.Mazur, A.Mougeot, F.Auger, D.Bazin, C.Borcea, C.Cabot, A.Cunsolo, A.Foti, A.Gillibert, N.Lecesne, A.Lepine, M.Lewitowicz, R.Liguori-Neto, F.Marie, W.Mittig, J.P.Mols, S.Ottini, E.C.Pollacco, A.Ostrowski, M.Riallot, P.Roussel-Chomaz, Y.Y.Feng

First Experiments with the FUSION Detector

NUCLEAR REACTIONS ²³⁸U(⁹Be, F), (¹¹Be, F), E=35-68 MeV; measured fission σ, fragments angular correlations.

doi: 10.1016/S0168-9002(99)00683-X
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1997FE08      J.Phys.(London) G23, 1259 (1997)

V.Fekou-Youmbi, J.L.Sida, N.Alamanos, W.Mittig, F.Auger, D.Bazin, C.Borcea, C.Cabot, X.Charlot, A.Cunsolo, A.Foti, A.Gillibert, N.Lecesne, A.Lepine, M.Lewitowicz, R.Liguori-Neto, F.Marie, C.Mazur, A.Mougeot, S.Ottini, E.Pollacco, A.Ostrowski, M.Riallot, P.Roussel-Chomaz, C.Volant, Y.Y.Feng

Unusual Behaviour of Fusion-Fission at Barrier Energies for a Neutron-Rich Halo Nucleus

NUCLEAR REACTIONS, ICPND ²³⁸U(⁹Be, X), (¹¹Be, X), E(cm)=37-64 MeV; measured fusion σ; deduced relative fission σ, no enhancement of fusion probability for halo nuclei. Coupled-channel analysis.

1995VI03      Nucl.Phys. A588, 267c (1995)

A.C.C.Villari, J.C.Angelique, B.Blank, F.Clapier, J.M.Deligne, M.Ducourtieux, P.Foury, A.Joubert, N.Lecesne, A.Lepine, R.Leroy, M.Lewitowicz, C.F.Liang, J.Mandin, C.Marry, L.Maunoury, J.Mercier, J.Obert, N.A.Orr, J.Y.Pacquet, P.Paris, J.C.Potier, J.Proust, J.C.Putaux, E.Robert, M.G.Saint-Laurent, P.Sortais, M.Lieuvin

Radioactive Ion Beams at SPIRAL

doi: 10.1016/0375-9474(95)00150-Y
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