NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = L.Coquard Found 18 matches. 2019WA02 Phys.Rev. C 99, 015804 (2019) A.Wallner, M.Bichler, L.Coquard, I.Dillmann, O.Forstner, R.Golser, M.Heil, F.Kappeler, W.Kutschera, C.Lederer-Woods, M.Martschini, A.Mengoni, S.Merchel, L.Michlmayr, A.Priller, P.Steier, M.Wiescher Stellar and thermal neutron capture cross section of 9Be NUCLEAR REACTIONS 9Be(n, γ), kT=thermal, 5-100 keV, [neutrons from 7Li(p, n), E=1912, 2284 keV]; measured Maxwellian averaged σ(E) (MACS) using neutron activation combined with accelerator mass spectrometry (AMS) technique; deduced 10Be/9Be ratio in irradiated sample; calculated astrophysical reaction rates for T9=0.001 to 10 for s process nucleosynthesis calculations. Activation technique at Karlsruhe Van de Graaff accelerator, and TRIGA Mark-II reactor for thermal neutrons in combination with accelerator mass spectrometry at the Vienna Environmental Research Accelerator. Comparison with previous experimental values, compiled KADoNiS database, and evaluated libraries ENDF-B/VIII.1, JEFF-3.3, JENDL-4.0, BROND-3.1, and CENDL-3.1.
doi: 10.1103/PhysRevC.99.015804
2017WA27 Phys.Rev. C 96, 025808 (2017) A.Wallner, K.Buczak, T.Belgya, M.Bichler, L.Coquard, I.Dillmann, R.Golser, F.Kappeler, A.Karakas, W.Kutschera, C.Lederer, A.Mengoni, M.Pignatari, A.Priller, R.Reifarth, P.Steier, L.Szentmiklosi Precise measurement of the thermal and stellar 54Fe (n, γ) cross sections via accelerator mass spectrometry NUCLEAR REACTIONS 54Fe(n, γ), E=cold to 100 keV; measured 55Fe concentration using accelerator mass spectrometry (AMS) technique at the Vienna Environmental Research Accelerator (VERA) laboratory; deduced σ(E), Maxwellian-averaged cross sections (MACS) between 5-100 keV, 55Fe/56Fe ratios. Comparison with previous measurements, and with evaluated data libraries ENDF/B-VII.1, JENDL-4.0, and JEFF-3.2. Impact of the improved cross sections for neutron capture nucleosynthesis for the AGB stars.
doi: 10.1103/PhysRevC.96.025808
2012AH01 Phys.Rev. C 86, 014303 (2012) T.Ahn, G.Rainovski, N.Pietralla, L.Coquard, T.Moller, A.Costin, R.V.F.Janssens, C.J.Lister, M.P.Carpenter, S.Zhu Identification of the 21, ms + mixed-symmetry state in 136Ce NUCLEAR REACTIONS 12C(136Ce, 136Ce'), E=475 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array at ANL facility. Coulomb excitation. 136Ce; deduced levels, J, π, B(M1), B(E2), B(E1), B(E3), identification of one-quadrupole phonon mixed symmetry state (MSS). Systematics of energies of first 2+, and mixed-symmetry 2+ states, B(M1) in N=78 isotones. Discussed fragmentation of the one-phonon MSS of 136Ce.
doi: 10.1103/PhysRevC.86.014303
2012BA40 Phys.Rev. C 86, 034310 (2012) C.Bauer, T.Behrens, V.Bildstein, A.Blazhev, B.Bruyneel, J.Butterworth, E.Clement, L.Coquard, J.L.Egido, A.Ekstrom, C.R.Fitzpatrick, C.Fransen, R.Gernhauser, D.Habs, H.Hess, J.Leske, T.Kroll, R.Krucken, R.Lutter, P.Marley, T.Moller, T.Otsuka, N.Patronis, A.Petts, N.Pietralla, T.R.Rodriguez, N.Shimizu, C.Stahl, I.Stefanescu, T.Stora, P.G.Thirolf, D.Voulot, J.van de Walle, N.Warr, F.Wenander, A.Wiens Prolate shape of 140Ba from a first combined Doppler-shift and Coulomb-excitation measurement at the REX-ISOLDE facility NUCLEAR REACTIONS 96Mo(140Ba, 140Ba'), [140Ba secondary beam from U(p, X), E=1.4 GeV primary beam], E=392 MeV; measured Eγ, Iγ, (particle)γ-coin, yields in different angular ranges, differential σ(θ), half-life of first 2+ state by DSAM using REX-ISOLDE and MINIBALL setup at ISOLDE-CERN. 140Ba; deduced level, E2 matrix element, B(E2), and static quadrupole moment of first 2+ state. Z=56, A=130=146; systematics of energies and B(E2) of first 2+ states. Comparison with Monte Carlo shell-model approach and beyond-mean-field calculations. Gogny energy density functionals and distribution of probability contours in the triaxial (β, γ) plane for 0+, 2+ and 4+ states first two bands. NUCLEAR MOMENTS 140Ba; measured static quadrupole moment of first 2+ state by reorientation analysis of Coulomb-excitation yields.
doi: 10.1103/PhysRevC.86.034310
2012CO17 Phys.Rev. C 86, 034313 (2012) N.Cooper, F.Reichel, V.Werner, L.Bettermann, B.Alikhani, S.Aslanidou, C.Bauer, L.Coquard, M.Fritzsche, Y.Fritzsche, J.Glorius, P.M.Goddard, T.Moller, N.Pietralla, M.Reese, C.Romig, D.Savran, L.Schnorrenberger, F.Siebenhuhner, V.V.Simon, K.Sonnabend, M.K.Smith, C.Walz, S.W.Yates, O.Yevetska, M.Zweidinger Photoresponse of 76Se below 9 MeV NUCLEAR REACTIONS 76Se(γ, γ'), E<9 MeV; measured Eγ, Iγ, γ(θ), integrated σ using S-DALINAC facility at the TU Darmstadt. 76Se; deduced levels, J, π, B(E1), B(M1), level half-lives, reduced E1 strength distribution, candidates for 2+ and fragment of the 1+ mixed-symmetry states.
doi: 10.1103/PhysRevC.86.034313
2012MO23 Phys.Rev. C 86, 031305 (2012) T.Moller, N.Pietralla, G.Rainovski, T.Ahn, C.Bauer, M.P.Carpenter, L.Coquard, R.V.F.Janssens, J.Leske, C.J.Lister, E.A.McCutchan, O.Moller, D.Seweryniak, S.Zhu Absolute β-to-ground band transition strengths in 154Sm NUCLEAR REACTIONS 12C(154Sm, 154Sm'), E=570 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) in Coulomb excitation using Gammasphere array at ATLAS facility in ANL. 154Sm; deduced levels, J, π, multipolarity, mixing ratio, absolute B(E2), bands, level half-lives. Comparison with confined β-soft rotor model (CBS) and X(5) predictions.
doi: 10.1103/PhysRevC.86.031305
2012NI09 Phys.Rev. C 85, 054321 (2012) M.Niikura, B.Mouginot, S.Franchoo, I.Matea, I.Stefan, D.Verney, F.Azaiez, M.Assie, P.Bednarczyk, C.Borcea, A.Burger, G.Burgunder, A.Buta, L.Caceres, E.Clement, L.Coquard, G.de Angelis, G.de France, F.de Oliveira Santos, A.Dewald, A.Dijon, Z.Dombradi, E.Fiori, C.Fransen, G.Friessner, L.Gaudefroy, G.Georgiev, S.Grevy, M.Hackstein, M.N.Harakeh, F.Ibrahim, O.Kamalou, M.Kmiecik, R.Lozeva, A.Maj, C.Mihai, O.Moller, S.Myalski, F.Negoita, D.Pantelica, L.Perrot, Th.Pissulla, F.Rotaru, W.Rother, J.A.Scarpaci, C.Stodel, J.C.Thomas, P.Ujic First direct lifetime measurement of the 21+ state in 72, 74Zn: New evidence for a shape transition between N=40 and N=42 close to Z=28 NUCLEAR REACTIONS 9Be(73Zn, X), (74Zn, X), (72Cu, X), [73,74Zn, 72Cu secondary cocktail beam from 9Be(76Ge, X), E=60 MeV/nucleon primary reaction], E not given; measured Eγ, Iγ, half-lives of first 2+ states by RDDS method using LISE spectrometer, plunger device, and EXOGAM array at GANIL facility. 72,74Zn; deduced B(E2), β2; discussed static quadrupole moments for first 2+ states. Systematics of level energies, B(E2), Q(2+), β2, occupation numbers for even-even N=32-48, Z=28-38 nuclei. Comparison of B(E2) values for first 2+ states in 72,74Zn with previous studies and shell-model calculations.
doi: 10.1103/PhysRevC.85.054321
2011CO07 Phys.Rev. C 83, 044318 (2011) L.Coquard, G.Rainovski, N.Pietralla, T.Ahn, L.Bettermann, M.P.Carpenter, R.V.F.Janssens, J.Leske, C.J.Lister, O.Moller, T.Moller, W.Rother, V.Werner, S.Zhu O(6)-symmetry breaking in the γ -soft nucleus 126Xe and its evolution in the light stable xenon isotopes NUCLEAR REACTIONS 12C(126Xe, 126Xe'), E=399 MeV; measured Eγ, Iγ, γγ-coin, Coulomb excitation cross sections using Gammasphere array. 126Xe; deduced levels, J, π, bands, B(E2), B(E3) and B(M1) transition strengths, half-lives. Comparison with sd-IBM-1 calculations. O(6)-symmetry breaking and O(5)-symmetry conservation in 124,126,128Xe.
doi: 10.1103/PhysRevC.83.044318
2011DI11 Phys.Rev. C 84, 015802 (2011) I.Dillmann, L.Coquard, C.Domingo-Pardo, F.Kappeler, J.Marganiec, E.Uberseder, U.Giesen, A.Heiske, G.Feinberg, D.Hentschel, S.Hilpp, H.Leiste, T.Rauscher, F.-K.Thielemann Cross sections for proton-induced reactions on Pd isotopes at energies relevant for the γ process NUCLEAR REACTIONS 102,104Pd(p, γ), 105Pd(p, n), E=2.75-9 MeV; measured Eγ, Iγ, total cross sections. 104Pd(p, n), 105Pd(p, γ)106mAg, 106Pd(p, n)106mAg, 110Pd(p, n)110mAg, E=2.75-9 MeV; measured Eγ, Iγ, partial cross sections; deduced S factors. Activation method. Relevant cross sections measured close to the astrophysical Gamow window of the γ process. Comparison with previous measurements and theoretical predictions from Hauser-Feshbach model "NON-SMOKER". RADIOACTIVITY 104Ag(EC); measured precise Iγ.
doi: 10.1103/PhysRevC.84.015802
2011NI03 Acta Phys.Pol. B42, 537 (2011) M.Niikura, B.Mouginot, F.Azaiez, G.De Angelis, M.Assie, P.Bednarczyk, C.Borcea, A.Burger, G.Burgunder, A.Buta, L.Caceres, E.Clement, L.Coquard, G.De France, F.De Oliveira, A.Dewald, A.Dijon, Z.Dombradi, E.Fiori, S.Franchoo, C.Fransen, G.Friessner, L.Gaudefroy, G.Georgiev, S.Grevy, M.Hackstein, M.N.Harakeh, F.Ibrahim, M.Kmiecik, R.Lozeva, A.Maj, I.Matea, C.Mihai, O.Moller, S.Myalski, F.Negoita, D.Pantelica, L.Perrot, T.Pissula, F.Rotaru, W.Rother, J.A.Scarpaci, I.Stefan, C.Stodel, J.C.Thomas, P.Ujic, D.Verney Lifetime Measurement of 2+1 State in 74Zn with Differential Plunger Technique NUCLEAR REACTIONS 9Be(76Ge, X)73Zn/74Zn, E=60 MeV/nucleon; measured reaction fragments, Eγ, Iγ; deduced B(E2), γ-ray yields.
doi: 10.5506/APhysPolB.42.537
2010CO09 Phys.Rev. C 82, 024317 (2010) L.Coquard, N.Pietralla, G.Rainovski, T.Ahn, L.Bettermann, M.P.Carpenter, R.V.F.Janssens, J.Leske, C.J.Lister, O.Moller, W.Rother, V.Werner, S.Zhu Evolution of the mixed-symmetry 21, ms+ quadrupole-phonon excitation from spherical to γ-soft Xe nuclei NUCLEAR REACTIONS 12C(130Xe, 130Xe'), E=409 MeV; 12C(132Xe, 132Xe'), E=414 MeV; measured Eγ, Iγ, and σ using Gammasphere array. 130Xe, 132Xe; deduced J, π, B(E2), B(M1), and one-phonon mixed symmetry 2+ states. Projectile Coulomb excitation. Systematics of level energies and B(M1) strengths of one-phonon mixed symmetry states in even-even 124-134Xe nuclei.
doi: 10.1103/PhysRevC.82.024317
2010RA05 Phys.Lett. B 683, 11 (2010) G.Rainovski, N.Pietralla, T.Ahn, L.Coquard, C.J.Lister, R.V.F.Janssens, M.P.Carpenter, S.Zhu, L.Bettermann, J.Jolie, W.Rother, R.V.Jolos, V.Werner How close to the O(6) symmetry is the nucleus 124Xe? NUCLEAR REACTIONS 12C(124Xe, 124Xe'), E=394 MeV; measured Eγ, Iγ, γγ-coin using DSA technique and the Gammasphere array. 124Xe; deduced levels, J, π, B(E2). Comparison with interacting boson model.
doi: 10.1016/j.physletb.2009.12.007
2010RA25 J.Phys.:Conf.Ser. 205, 012039 (2010) G.Rainovski, N.Pietralla, J.Leske, T.Ahn, L.Coquard, C.Bauer, Th.Moler, K.Gladnishki, M.Danchev, A.Damyanova, D.Karagyozov, R.Topchiyska, C.J.Lister, R.V.F.Janssens, M.P.Carpenter, S.Zhu Experimental studies of proton-neutron mixed symmetry states in the mass A ≈ 130 region
doi: 10.1088/1742-6596/205/1/012039
2010WA45 J.Phys.:Conf.Ser. 202, 012020 (2010) A.Wallner, K.Buczak, T.Belgya, M.Bichler, L.Coquard, I.Dillmann, O.Forstner, R.Golser, F.Kappeler, W.Kutschera, C.Lederer, A.Mengoni, A.Priller, R.Reifarth, P.Steier, L.Szentmiklosi Precise measurement of the neutron capture reaction 54Fe(n, γ)55Fe via AMS NUCLEAR REACTIONS 54Fe(n, γ), E=cold, thermal, 25 keV, 520 keV, 14 MeV; measured reaction products using activation and subsequent AMS (accelerator mass spectrometry); deduced σ. Compared with JEFF-3.1, ENDF-B-6.8, JENDL-3.3.
doi: 10.1088/1742-6596/202/1/012020
2009AH01 Phys.Lett. B 679, 19 (2009); Erratum Phys.Lett. B 682, 490 (2010) T.Ahn, L.Coquard, N.Pietralla, G.Rainovski, A.Costin, R.V.F.Janssens, C.J.Lister, M.Carpenter, S.Zhu, K.Heyde Evolution of the one-phonon 21, ms mixed-symmetry state in N=80 isotones as a local measure for the proton-neutron quadrupole interaction NUCLEAR REACTIONS 12C(134Xe, 134Xe'), E=435 MeV; measured Eγ, Iγ, γγ-coin using DSA technique and the Gammasphere array. 134Xe; deduced levels, J, π, δ, B(E2), B(M1), related properties. Systematics of N=80, 82 isotones discussed.
doi: 10.1016/j.physletb.2009.06.066
2009CO24 Phys.Rev. C 80, 061304 (2009) L.Coquard, N.Pietralla, T.Ahn, G.Rainovski, L.Bettermann, M.P.Carpenter, R.V.F.Janssens, J.Leske, C.J.Lister, O.Moller, W.Rother, V.Werner, S.Zhu Robust test of E(5) symmetry in 128Xe NUCLEAR REACTIONS 12C(128Xe, 128Xe'), E=404 MeV; measured Eγ, Iγ, γγ-coin, and γ-ray yields in Coulomb excitation using Gammasphere array. 128Xe; deduced levels, J, π, B(E2), and B(E2) ratios. Tested validity of E(5) symmetry.
doi: 10.1103/PhysRevC.80.061304
2009SI32 Phys.Rev. C 80, 054311 (2009) K.Sieja, G.Martinez-Pinedo, L.Coquard, N.Pietralla Description of proton-neutron mixed-symmetry states near 132Sn within a realistic large scale shell model NUCLEAR STRUCTURE 132Te, 134Xe, 136Ba, 138Ce, 140Nd; calculated levels, J, π, E2 and M1 transition probabilities, magnetic moments, mixed-symmetry 2+ states, and configurations using large-scale shell-model with GCN5082 interaction and its modified version. Comparison with experimental data.
doi: 10.1103/PhysRevC.80.054311
2008WA06 J.Phys.(London) G35, 014018 (2008) A.Wallner, L.Coquard, I.Dillmann, O.Forstner, R.Golser, M.Heil, F.Kappeler, W.Kutschera, A.Mengoni, L.Michlmayr, A.Priller, P.Steier, M.Wiescher Measurement of the stellar cross sections for the reactions 9Be(n, γ)10Be and 13C(n, γ)14C via AMS NUCLEAR REACTIONS 9Be(n, γ), E= spectrum; 13C(n, γ), E=spectrum; measured capture cross sections using a combination of activation technique and AMS. Comparisons with existing data.
doi: 10.1088/0954-3899/35/1/014018
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