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NSR database version of May 24, 2024.

Search: Author = X.Flechard

Found 21 matches.

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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

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


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2017FE10      Nat. Commun. 8, 14520 (2017), See 2016FE11

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

doi: 10.1038/ncomms14520
Citations: PlumX Metrics

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


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
Citations: PlumX Metrics

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


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
Citations: PlumX Metrics

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


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

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


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
Citations: PlumX Metrics


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


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
Citations: PlumX Metrics


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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