NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = X.Flechard Found 21 matches. 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
2022KA42 Phys.Rev. C 106, 045502 (2022) M.Kanafani, X.Flechard, O.Naviliat-Cuncic, G.D.Chung, S.Leblond, E.Lienard, X.Mougeot, G.Quemener, A.Simancas Di Filippo, J.-C.Thomas High-precision measurement of the 6He half-life RADIOACTIVITY 6He(β-)[6He beam from SPIRAL target-ECR ion source system at GANIL]; measured Eβ, Iβ; deduced T1/2. 2 phoswich type detectors consisting of YAlO3 Ce-doped scintillator surrounded by an EJ-204 plastic scintillator. Comparison with previous experimental data.
doi: 10.1103/PhysRevC.106.045502
2022MU16 Phys.Rev.Lett. 129, 182502 (2022) P.Muller, Y.Bagdasarova, R.Hong, A.Leredde, K.G.Bailey, X.Flechard, A.Garcia, B.Graner, A.Knecht, O.Naviliat-Cuncic, T.P.O'Connor, M.G.Sternberg, D.W.Storm, H.E.Swanson, F.Wauters, D.W.Zumwalt β-Nuclear-Recoil Correlation from 6He Decay in a Laser Trap RADIOACTIVITY 6He(β-); measured decay products, Eβ, Iβ; deduced yields, exotic tensor-type contributions to the charged weak current. Comparison with systematics.
doi: 10.1103/PhysRevLett.129.182502
2020AR04 Phys.Rev. C 101, 055501 (2020) V.Araujo-Escalona, D.Atanasov, X.Flechard, P.Alfaurt, P.Ascher, B.Blank, L.Daudin, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian-Nieto, E.Lienard, G.Quemener, N.Severijns, S.Vanlangendonck, M.Versteegen, D.Zakoucky Simultaneous measurements of the β-neutrino angular correlation in 32Ar pure Fermi and pure Gamow-Teller transitions using β-proton coincidences RADIOACTIVITY 32Ar(β+), (β+p)[from Ca(p, X), E=1.4 GeV]; measured Eβ+, Iβ+, Ep, Ip, pβ+-coin using plastic scintillator for β+ detection and silicon detectors for proton detection at ISOLDE-CERN facility; deduced β-neutrino angular correlation coefficients for Fermi and Gamow-Teller transitions. Comparison with theoretical predictions of Standard model. Relevance to constraints on exotic weak interactions, and future WISArD (weak-interaction studies with 32Ar decay) research at CERN.
doi: 10.1103/PhysRevC.101.055501
2020BE20 Eur.Phys.J. A 56, 163 (2020) M.Benali, G.Quemener, P.Delahaye, X.Flechard, E.Lienard, B.M.Retailleau Geometry optimization of a transparent axisymmetric ion trap for the MORA project
doi: 10.1140/epja/s10050-020-00168-y
2019DE22 Eur.Phys.J. A 55, 101 (2019) P.Delahaye, G.Ban, M.Benali, D.Durand, X.Fabian, X.Flechard, M.Herbane, E.Lienard, F.Mauger, A.Mery, Y.Merrer, O.Naviliat-Cuncic, G.Quemener, B.M.Retailleau, D.Rodriguez, J.C.Thomas, P.Ujic The open LPC Paul trap for precision measurements in beta decay
doi: 10.1140/epja/i2019-12777-3
2018FA02 Phys.Rev. A 97, 023402 (2018) X.Fabian, X.Flechard, B.Pons, E.Lienard, G.Ban, M.Breitenfeldt, C.Couratin, P.Delahaye, D.Durand, P.Finlay, B.Guillon, Y.Lemiere, F.Mauger, A.Mery, O.Naviliat-Cuncic, T.Porobic, G.Quemener, N.Severijns, J.-C.Thomas Electron shakeoff following the β+ decay of 19Ne+ and 35Ar+ trapped ions RADIOACTIVITY 19Ne, 35Ar(β+) [from C(20Ne, X)19Ne, E=95 MeV/nucleon]; measured decay products, time of flight, Eβ, Iβ; deduced ion charge-state branching ratios, one-electron ionization probabilities, charge-state branching ratios with and without recoil and Auger ionizations. Comparison with theoretical calculations.
doi: 10.1103/PhysRevA.97.023402
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.MartÃnez, 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 212,213,214,215,227Ac; measured frequencies; deduced hfs spectra, magnetic dipole and electric quadrupole moments. In-gas laser ionization and spectroscopy (IGLIS) technique.
doi: 10.1038/ncomms14520
2017FO24 Phys.Rev. C 96, 065501 (2017) C.Fontbonne, P.Ujic, F.de Oliveira Santos, X.Flechard, F.Rotaru, N.L.Achouri, V.Girard Alcindor, B.Bastin, F.Boulay, J.B.Briand, A.M.Sanchez-Benitez, H.Bouzomita, C.Borcea, R.Borcea, B.Blank, B.Carniol, I.Celikovic, P.Delahaye, F.Delaunay, D.Etasse, G.Fremont, G.de France, J.M.Fontbonne, G.F.Grinyer, J.Harang, J.Hommet, A.Jevremovic, M.Lewitowicz, I.Martel, J.Mrazek, M.Parlog, J.Poincheval, D.Ramos, C.Spitaels, M.Stanoiu, J.C.Thomas, D.Toprek High precision measurement of the 19Ne β-decay half-life using real-time digital acquisition RADIOACTIVITY 19Ne(EC), (β+)[from C(20Ne, 19Ne), E=95 MeV/nucleon in the GANIL target-ECR source]; measured Eβ, Iβ using plastic scintillators, precise half-life of the decay of 19Ne. Comparison with previous measurements.
doi: 10.1103/PhysRevC.96.065501
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 212,213,214,215,227Ac; 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
2017HO25 Phys.Rev. A 96, 053411 (2017) R.Hong, A.Leredde, Y.Bagdasarova, X.Flechard, A.Garcia, A.Knecht, P.Muller, O.Naviliat-Cuncic, J.Pedersen, E.Smith, M.Sternberg, D.W.Storm, H.E.Swanson, F.Wauters, D.Zumwalt Charge-state distribution of Li ions from the β decay of laser-trapped 6He atoms RADIOACTIVITY 6He(β-) [from 6Li(d, t), E=18 MeV]; measured Eβ, Iβ, TOF; deduced 6Li ion charge fractions. Comparison with available data.
doi: 10.1103/PhysRevA.96.053411
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 212,213,214,215,227Ac; measured frequencies; deduced nuclear magnetic moments, electric quadrupole moments, radii. Comparison with theoretical calculations, experimental data.
doi: 10.1038/ncomms14520
2016FI09 Eur.Phys.J. A 52, 206 (2016) P.Finlay, M.Breitenfeldt, T.Porobic, E.Wursten, G.Ban, M.Beck, C.Couratin, X.Fabian, X.Flechard, P.Friedag, P.Friedag, F.Gluck, A.Herlert, A.Knecht, V.Y.Kozlov, E.Lienard, G.Soti, M.Tandecki, E.Traykov, S.Van Gorp, Ch.Weinheimer, D.Zakoucky, N.Severijns First high-statistics and high-resolution recoil-ion data from the WITCH retardation spectrometer
doi: 10.1140/epja/i2016-16206-y
2013CO25 Phys.Rev. A 88, 041403 (2013) C.Couratin, X.Fabian, B.Fabre, B.Pons, X.Flechard, E.Lienard, G.Ban, M.Breitenfeldt, P.Delahaye, D.Durand, A.Mery, O.Naviliat-Cuncic, T.Porobic, G.Quemener, D.Rodriguez, N.Severijns, J.-C.Thomas, S.Van Gorp Electron shakeoff following the Β+ decay of trapped 35Ar+ ions RADIOACTIVITY 35Ar(β+); measured decay products, nuclear recoil; deduced charge-state distribution of recoiling daughter. Comparison with shakeoff and Auger processes calculations.
doi: 10.1103/PhysRevA.88.041403
2011FL03 J.Phys.(London) G38, 055101 (2011) X.Flechard, Ph.Velten, E.Lienard, A.Mery, D.Rodriguez, G.Ban, D.Durand, F.Mauger, O.Naviliat-Cuncic, J.C.Thomas Measurement of the β-ν correlation coefficient aβν in the β decay of trapped 6He+ ions RADIOACTIVITY 6He(β-); measured recoil nuclei, Eβ, Iβ, β-recoil coin.; deduced β-ν correlation coefficient. Transparent Paul trap.
doi: 10.1088/0954-3899/38/5/055101
2011VE07 Hyperfine Interactions 199, 29 (2011) Ph.Velten, G.Ban, D.Durand, X.Flechard, E.Lienard, F.Mauger, A.Mery, O.Naviliat-Cuncic, D.Rodriguez, J.C.Thomas The LPCTrap experiment: measurement of the β-ν angular correlation in 6He+ decay using a transparent Paul trap RADIOACTIVITY 6He(β-); measured recoil ions, Eβ, Iβ; deduced β-ν angular correlation coefficients. GEANT4 simulation.
doi: 10.1007/s10751-011-0298-4
2010FL01 Phys.Rev. C 82, 027309 (2010) X.Flechard, E.Lienard, O.Naviliat-Cuncic, D.Rodriguez, M.A.G.Alvarez, G.Ban, B.Carniol, D.Etasse, J.M.Fontbonne, A.M.Lallena, J.Praena Measurement of the 8Li half-life RADIOACTIVITY 8Li(β-)[from 7Li(d, p), E=1.98 MeV]; measured Eβ, Iβ, half-life. Comparison with previous measurements.
doi: 10.1103/PhysRevC.82.027309
2009RO28 Eur.Phys.J. A 42, 397 (2009) D.Rodriguez, G.Ban, D.Durand, F.Duval, X.Flechard, E.Lienard, F.Mauger, A.Mery, O.Naviliat-Cuncic, J.-C.Thomas, Ph.Velten Geant4 Monte Carlo simulations for the LPCTrap setup RADIOACTIVITY 6He(β-); calculated angular correlation coefficient; deduced neutrino invariant mass for pure GT decay. Comparison with experimental data.
doi: 10.1140/epja/i2009-10733-6
2008FL01 Phys.Rev.Lett. 101, 212504 (2008) X.Flechard, E.Lienard, A.Mery, D.Rodriguez, G.Ban, D.Durand, F.Duval, M.Herbane, M.Labalme, F.Mauger, O.Naviliat-Cuncic, J.C.Thomas, Ph.Velten Paul Trapping of Radioactive 6He+ Ions and Direct Observation of Their β Decay
doi: 10.1103/PhysRevLett.101.212504
2005BA38 Nucl.Phys. A752, 67c (2005) G.Ban, G.Darius, P.Delahaye, D.Durand, X.Flechard, M.Herbane, M.Labalme, E.Lienard, F.Mauger, A.Mery, O.Naviliat-Cuncic, D.Rodriguez Measurements of the βν angular correlation in nuclear β-decay
doi: 10.1016/j.nuclphysa.2005.02.097
2005RO43 Eur.Phys.J. A 25, Supplement 1, 705 (2005) D.Rodriguez, A.Mery, G.Darius, M.Herbane, G.Ban, P.Delahaye, D.Durand, X.Flechard, M.Labalme, E.Lienard, F.Mauger, O.Naviliat-Cuncic The LPCTrap for the measurement of the β-ν correlation in 6He
doi: 10.1140/epjad/i2005-06-163-4
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