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NSR database version of April 11, 2024.

Search: Author = N.Michel

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2023CH46      Phys.Rev.Lett. 131, 172501 (2023)

R.J.Charity, J.Wylie, S.M.Wang, T.B.Webb, K.W.Brown, G.Cerizza, Z.Chajecki, J.M.Elson, J.Estee, D.E.M.Hoff, S.A.Kuvin, W.G.Lynch, J.Manfredi, N.Michel, D.G.McNeel, P.Morfouace, W.Nazarewicz, C.D.Pruitt, C.Santamaria, S.Sweany, J.Smith, L.G.Sobotka, M.B.Tsang, A.H.Wuosmaa

Strong Evidence for 9N and the Limits of Existence of Atomic Nuclei

RADIOACTIVITY 9N(p), 8C, 6Be(2p) [from 9Be(13O, X)9N, E=69.5 MeV/nucleon]; measured decay products, Ep, Ip. 9N, 8C; deduced invariant-mass spectra, level diagrams, possible single resonancelike peak in the spectrum. R-matrix fits, comparison with the theoretical predictions of an open-quantum-system approach. The National Superconducting Cyclotron Laboratory at Michigan State University.

doi: 10.1103/PhysRevLett.131.172501
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2023DO05      Phys.Rev. C 107, 044613 (2023)

G.X.Dong, X.B.Wang, N.Michel, M.Ploszajczak

Gamow shell model description of the radiative capture reaction 8B(p, γ)9C

NUCLEAR STRUCTURE 8B, 9C; calculated levels J, π, excited states widths, electric quadrupole and magnetic moments of the ground state, one-body density of valence protons in the ground state, rms proton radius. Gamow shell model (GSM) and Gamow shell model in the coupled-channel representation (GSM-CC) assuming 4He as the inert core. Comparison to experimental data.

NUCLEAR REACTIONS 8B(p, γ), E(cm)<3 MeV; calculated E1, M1 and E2 astrophysical S-factor, total astrophysical S-factor, reaction rate (T=0.1-1 GK). Gamow shell model in the coupled-channel representation (GSM-CC). Comparison to experimental data and other theoretical calculations.

doi: 10.1103/PhysRevC.107.044613
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2023LI03      Phys.Rev. C 107, 014302 (2023)

H.H.Li, Q.Yuan, J.G.Li, M.R.Xie, S.Zhang, Y.H.Zhang, X.X.Xu, N.Michel, F.R.Xu, W.Zuo

Investigation of isospin-symmetry breaking in mirror energy difference and nuclear mass with ab initio calculations

NUCLEAR STRUCTURE 21,23Al, 23Ne, 21,22O, 22,23Si, 23F, 27P, 27Mg, 46Ti, 46V, 46Cr; calculated levels, J, π. 18,19Ne, 19Na, 20,21Na, 22,23,24,25Al, 27Si, 29S, 33Ar; calculated mirror energy difference in the mirror nuclei states. A=17-75; calculated coefficient "b" of the isobaric multiplet mass equation. Ab initio valence-space in-medium similarity renormalization group (VS-IMSRG) method. Comparison to experimental data and AME2020.

doi: 10.1103/PhysRevC.107.014302
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2023LI52      Phys.Rev. C 108, 044616 (2023)

J.P.Linares Fernandez, N.Michel, M.Ploszajczak, A.Mercenne

Description of 7Be and 7Li within the Gamow shell model

doi: 10.1103/PhysRevC.108.044616
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2023ME01      Phys.Rev. C 107, L011603 (2023)

A.Mercenne, N.Michel, J.P.Linares Fernandez, M.Ploszajczak

Gamow shell model description of the 40Ca(d, p) transfer reaction

NUCLEAR REACTIONS 40Ca(d, p), E(cm)=1.853 MeV;40Ca(p, p), E(cm)=9.61 MeV; 40Ca(n, n), E(cm)=2.69 MeV; calculated σ(θ). Combined approach involving Gamow shell-model and coupled-channel method (GSM-CC). Comparison to experimental data.

NUCLEAR STRUCTURE 42Ca, 42Sc, 42Ti; calculated low-energy states, J, π. 41,42Ca; calculated S(n). 41,42Sc, 42Ti; calculated S(p). 42Ca; calculated S(2n). 42Sc; calculated S(d). 42Ti; calculated S(2p). Comparison to experimental data.

doi: 10.1103/PhysRevC.107.L011603
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2023MI20      Phys.Rev.Lett. 131, 242502 (2023)

N.Michel, W.Nazarewicz, M.Ploszajczak

Description of the Proton-Decaying 0+2 Resonance of the α Particle

RADIOACTIVITY 4He(p), (n), (d); analyzed available data the monopole transition form factor from the ground state; deduced the excitation energy and monopole form factor of the 0+2 state in 4He.

doi: 10.1103/PhysRevLett.131.242502
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2023WA28      Appl.Radiat.Isot. 201, 110996 (2023)

Y.Wang, T.Sounalet, A.Guertin, E.Nigron, N.Michel, F.Haddad

Study of terbium production from enriched Gd targets via the reaction 155Gd(d, 2n)155Tb

NUCLEAR REACTIONS 155Gd(d, 2n), E=8.1-29.7 MeV; measured reaction products, Eγ, Iγ; deduced thick target yields, σ. Comparison with TALYS calculations. GIP ARRONAX cyclotron facility.

doi: 10.1016/j.apradiso.2023.110996
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2023XU10      Phys.Rev. C 108, L031301 (2023)

Z.C.Xu, S.Zhang, J.G.Li, S.L.Jin, Q.Yuan, Z.H.Cheng, N.Michel, F.R.Xu

Complex valence-space effective operators for observables: The Gamow-Teller transition

doi: 10.1103/PhysRevC.108.L031301
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2023ZH48      Phys.Rev. C 108, 064316 (2023)

S.Zhang, F.R.Xu, J.G.Li, B.S.Hu, Z.H.Cheng, N.Michel, Y.Z.Ma, Q.Yuan, Y.H.Zhang

Ab initio descriptions of A=16 mirror nuclei with resonance and continuum coupling

doi: 10.1103/PhysRevC.108.064316
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2022DO05      Phys.Rev. C 105, 064608 (2022)

G.X.Dong, X.B.Wang, N.Michel, M.Ploszajczak

Gamow shell model description of the radiative capture reaction 8Li(n, γ)9Li

NUCLEAR REACTIONS 8Li(n, γ), E(cm)<1 MeV; calculated σ(E), E1, E2 and M1 neutron capture σ(E), astrophysical reaction rate for T=0.7-5.0 GK. Gamow shell model in the coupled-channel representation (GSM-CC). Estimated the contributions to the calculated σ from transitions of different mutipolarities. Discussed the role of the obtained σ for the production of heavier elements in nucleosynthesis. Comparison to available experimental data and other theoretical calculations.

NUCLEAR STRUCTURE 9Li; calculated levels, J, π, neutron spectroscopic factors. 8,9Li; calculated electric-quadrupole and magnetic moments of the ground state. Gamow shell model in the coupled-channel representation (GSM-CC). Comparison to experimental data.

doi: 10.1103/PhysRevC.105.064608
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2022GI05      Phys.Rev. C 105, L051301 (2022)

V.Girard Alcindor, A.Mercenne, I.Stefan, F.de Oliveira Santos, N.Michel, M.Ploszajczak, M.Assie, A.Lemasson, E.Clement, F.Flavigny, A.Matta, D.Ramos, M.Rejmund, J.Dudouet, D.Ackermann, P.Adsley, M.Assuncao, B.Bastin, D.Beaumel, G.Benzoni, R.Borcea, A.J.Boston, D.Brugnara, L.Caceres, B.Cederwall, I.Celikovic, V.Chudoba, M.Ciemala, J.Collado, F.C.L.Crespi, G.D'Agata, G.De France, F.Delaunay, C.Diget, C.Domingo-Pardo, J.Eberth, C.Fougeres, S.Franchoo, F.Galtarossa, A.Georgiadou, J.Gibelin, S.Giraud, V.Gonzalez, N.Goyal, A.Gottardo, J.Goupil, S.Grevy, V.Guimaraes, F.Hammache, L.J.Harkness-Brennan, H.Hess, N.Jovancevic, D.S.Judson Oliver, O.Kamalou, A.Kamenyero, J.Kiener, W.Korten, S.Koyama, M.Labiche, L.Lalanne, V.Lapoux, S.Leblond, A.Lefevre, C.Lenain, S.Leoni, H.Li, A.Lopez-Martens, A.Maj, I.Matea, R.Menegazzo, D.Mengoni, A.Meyer, B.Million, B.Monteagudo, P.Morfouace, J.Mrazek, M.Niikura, J.Piot, Zs.Podolyak, C.Portail, A.Pullia, B.Quintana, F.Recchia, P.Reiter, K.Rezynkina, T.Roger, J.S.Rojo, F.Rotaru, M.D.Salsac, A.M.Sanchez-Benitez, E.Sanchis, M.Senyigit, N.de Sereville, M.Siciliano, J.Simpson, D.Sohler, O.Sorlin, M.Stanoiu, C.Stodel, D.Suzuki, C.Theisen, D.Thisse, J.C.Thomas, P.Ujic, J.J.Valiente-Dobon, M.Zielinska

New narrow resonances observed in the unbound nucleus 15F

NUCLEAR REACTIONS 1H(14O, p), E=7.64 MeV/nucleon; 1H(14O, 2p), E=7.42 MeV/nucleon; measured reaction products Ep, Ip, Eγ, Iγ, protons angular distributions, pp-coin, γγ-coin, pγ-coin; deduced σ(θ), resonances properties of 14O+p system - energy, spin and width, spectroscopic factors, major amplitudes of channels. 15F; deduced levels, J, π, configurations. Data has been analyzed and interpreted in the framework of the Gamow shell model (GSM) with the coupled-channel representation (GSMCC). Beam provided by SPIRAL1 facility (GANIL). Detectors: MUST2 (telescope composed of DSSD and CsI array) for (14O, p) reaction and MUGAST array (MUST2+VAMOS magnetic spectrometer+AGATA HPGE-array).

doi: 10.1103/PhysRevC.105.L051301
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Data from this article have been entered in the XUNDL database. For more information, click here.


2022LI37      Phys.Lett. B 832, 137225 (2022)

J.G.Li, N.Michel, H.H.Li, W.Zuo

One-neutron halo structure of 29Ne

NUCLEAR STRUCTURE 26,27,28,29,30,31Ne; calculated neutron rms radii, valence-nucleon densities. 29,31Ne; deduced one-neutron halo character. The multiconfigurational approach GSM.

doi: 10.1016/j.physletb.2022.137225
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2022MI10      Phys.Rev. C 106, L011301 (2022)

N.Michel, J.G.Li, L.H.Ru, W.Zuo

Calculation of the Thomas-Ehrman shift in 16F and 15O(p, p) cross sections within the Gamow shell model

NUCLEAR STRUCTURE 16F, 16N; calculated low-lying levels, J, π. Gamow shell model (GSM) and Gamow shell model with coupled-channels (GSM-CC) calculations. Observed Thomas-Ehrman shift caused by special role played by the proton s1/2 partial wave in 16F. Comparison to experimental data.

NUCLEAR REACTIONS 15O(p, p'), E=0.5-1.25 MeV; calculated σ(θ). Gamow shell model with coupled-channels (GSM-CC) calculations using effective Hamiltonian, consisting of a 12C core and valence nucleons interacting with an effective nuclear interaction.

doi: 10.1103/PhysRevC.106.L011301
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2021CH17      Phys.Rev. C 103, L031302 (2021)

J.Chen, S.M.Wang, H.T.Fortune, J.L.Lou, Y.L.Ye, Z.H.Li, N.Michel, J.G.Li, C.X.Yuan, Y.C.Ge, Q.T.Li, H.Hua, D.X.Jiang, X.F.Yang, D.Y.Pang, F.R.Xu, W.Zuo, J.C.Pei, J.Li, W.Jiang, Y.L.Sun, H.L.Zang, N.Aoi, H.J.Ong, E.Ideguchi, Y.Ayyad, K.Hatanaka, D.T.Tran, D.Bazin, J.Lee, Y.N.Zhang, J.Wu, H.N.Liu, C.Wen, T.Yamamoto, M.Tanaka, T.Suzuki

Observation of the near-threshold intruder 0- resonance in 12Be

NUCLEAR REACTIONS 2H(11Be, p)12Be, E=26.9 MeV/nucleon; measured E(p), I(p), σ(θ) using two parallel-plate avalanche counters (PPACs), and a set of annular double-sided silicon detectors (ADSSDs) at the RCNP, Osaka University. 12Be; deduced missing-mass spectra of 12Be unbound states, levels, J, π, a 0- resonance just above S(n), decay width. DWBA analysis. Comparison with Gamow coupled-channel and Gamow shell-model calculations.

doi: 10.1103/PhysRevC.103.L031302
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2690. Data from this article have been entered in the XUNDL database. For more information, click here.


2021GI06      Eur.Phys.J. A 57, 93 (2021)

V.Girard Alcindor, I.Stefan, F.de Oliveira Santos, O.Sorlin, D.Ackermann, P.Adsley, J.C.Angelique, M.Assie, M.Assuncao, D.Beaumel, E.Berthoumieux, R.Borcea, L.Caceres, I.Celikovic, M.Ciemala, V.Chudoba, G.D'Agata, F.de Grancey, G.Dumitru, F.Flavigny, C.Fougeres, S.Franchoo, A.Georgiadou, N.Goyal, S.Grevy, J.Guillot, V.Guimaraes, F.Hammache, O.Kamalou, J.Kiener, S.Koyama, L.Lalanne, V.Lapoux, I.Matea, A.Matta, A.Meyer, N.Michel, P.Morfouace, J.Mrazek, F.Negoita, M.Niikura, D.Pantelica, L.Perrot, C.Petrone, J.Piot, C.Portail, T.Roger, F.Rotaru, A.M.Sanchez-Benitez, N.de Sereville, M.Stanoiu, C.Stodel, K.Subotic, D.Suzuki, V.Tatischeff, J.C.Thomas, P.Ujic, D.Verney

Probing nuclear forces beyond the nuclear drip line: the cases of 16F and 15F. A Tribute to Mahir Hussein

NUCLEAR STRUCTURE 15,16F, 16N, 15C; analyzed available data; deduced strength of the nucleon-nucleon effective interaction, the mirror symmetry of the n-p interaction.

doi: 10.1140/epja/s10050-021-00410-1
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2021JI15      Phys.Rev.Lett. 127, 262502 (2021)

Y.Jin, C.Y.Niu, K.W.Brown, Z.H.Li, H.Hua, A.K.Anthony, J.Barney, R.J.Charity, J.Crosby, D.Dell'Aquila, J.M.Elson, J.Estee, M.Ghazali, G.Jhang, J.G.Li, W.G.Lynch, N.Michel, L.G.Sobotka, S.Sweany, F.C.E.Teh, A.Thomas, C.Y.Tsang, M.B.Tsang, S.M.Wang, H.Y.Wu, C.X.Yuan, K.Zhu

First Observation of the Four-Proton Unbound Nucleus 18Mg

RADIOACTIVITY 18Mg(14O), (2p), (4p) [from 9Be(20Mg, X)18Mg, E=170 MeV/nucleon]; measured decay products, Ep, Ip, 18Mg, 16Ne; deduced decay energy spectra, level scheme, J, π, resonance parameters. Comparison with the Gamow shell model (GSM) calculations.

doi: 10.1103/PhysRevLett.127.262502
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Data from this article have been entered in the XUNDL database. For more information, click here.


2021LI19      Phys.Rev. C 103, 034305 (2021)

J.G.Li, N.Michel, W.Zuo, F.R.Xu

Unbound spectra of neutron-rich oxygen isotopes predicted by the Gamow shell model

NUCLEAR STRUCTURE 24,25,26,27,28O; calculated energies of ground states. 18,19,20,21,22,23,24,25,26,27,28O; calculated densities. 23,24,25,26O; calculated levels, resonances, J, π with 22O used as core. 25,26,27O; deduced ground states as resonances, thus unbound character. Gamow shell model (GSM) with Hamiltonian from effective field theory (EFT) for nuclei at neutron dripline and beyond. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.034305
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2021LI29      Phys.Rev. C 103, 064324 (2021)

J.G.Li, N.Michel, W.Zuo, F.R.Xu

Reexamining the variational two-particle reduced density matrix for nuclear systems

NUCLEAR STRUCTURE 6,8He, 8Be, 20,22,24,26O, 20Ne, 24Mg, 28Si, 32S; calculated binding energies and normalized occupations of neutrons and protons using nuclear variational two-particle reduced density matrix (2RDM) method; deduced higher binding energies for nuclear systems with active valence neutrons and protons; discussed possible reasons for discrepancies and solutions. Comparison with available experimental data.

doi: 10.1103/PhysRevC.103.064324
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2021LI42      Phys.Rev. C 104, 024319 (2021)

J.G.Li, N.Michel, W.Zuo, F.R.Xu

Resonances of A=4 T=1 isospin triplet states within the ab initio no-core Gamow shell model

NUCLEAR STRUCTURE 3,4H, 3,4He, 4Li; calculated levels, resonances, widths using ab-initio no-core Gamow shell model (NCGSM) with various modern realistic nuclear forces. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.024319
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2021LI62      Phys.Rev. C 104, L061306 (2021)

H.H.Li, J.G.Li, N.Michel, W.Zuo

Investigation of unbound hydrogen isotopes with the Gamow shell model

NUCLEAR STRUCTURE 4,5,6,7H; calculated level energies, J, π, neutron-emission widths using Gamow shell model (GSM), with the FHT, MN1, and MN2 interactions. Comparison with experimental results for level energies and widths from various experiments.

doi: 10.1103/PhysRevC.104.L061306
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2021MI10      Phys.Rev. C 103, 044319 (2021)

N.Michel, J.G.Li, F.R.Xu, W.Zuo

Proton decays in 16Ne and 18Mg and isospin-symmetry breaking in carbon isotopes and isotones

NUCLEAR STRUCTURE 15,16,17,18C, 15F, 16Ne, 17Na, 18Mg; calculated levels, J, π, widths, binding energies of carbon isotopes and isotones. 16Ne, 18Mg; calculated one-proton and two-proton decay widths. Gamow shell model (GSM) for proton-rich nuclei. Comparison with available experimental data.

doi: 10.1103/PhysRevC.103.044319
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2021WY01      Phys.Rev. C 104, L061301 (2021)

J.Wylie, J.Okolowicz, W.Nazarewicz, M.Ploszajczak, S.M.Wang, X.Mao, N.Michel

Spectroscopic factors in dripline nuclei

NUCLEAR STRUCTURE 9C, 9Li; calculated spectroscopic factors for the knockout of a p3/2 nucleon from the 3/2- g.s. of 9C and 9Li to ground states of 8C, 8He, 8B, and 8Li. 8C, 8He, 8B, 8Li, 9C, 9Li; calculated squared harmonic-oscillator basis shell model HO-SM and Gamow shell model (GCM) amplitudes of shell-model configurations, with details of GSM spectra and dominant configurations in ps-space and psd-space given in the Supplemental Material 13O, 13F; calculated ratio of spectroscopic in shell model embedded in the continuum (SMEC) and HO-SM for neutron and proton removal from the g.s. of 13O to 12O and 12N ground states, and 13F proton resonance to the second 2+ state of 12O.

doi: 10.1103/PhysRevC.104.L061301
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2021YA07      Phys.Rev.Lett. 126, 082501 (2021)

Z.H.Yang, Y.Kubota, A.Corsi, K.Yoshida, X.-X.Sun, J.G.Li, M.Kimura, N.Michel, K.Ogata, C.X.Yuan, Q.Yuan, G.Authelet, H.Baba, C.Caesar, D.Calvet, A.Delbart, M.Dozono, J.Feng, F.Flavigny, J.-M.Gheller, J.Gibelin, A.Giganon, A.Gillibert, K.Hasegawa, T.Isobe, Y.Kanaya, S.Kawakami, D.Kim, Y.Kiyokawa, M.Kobayashi, N.Kobayashi, T.Kobayashi, Y.Kondo, Z.Korkulu, S.Koyama, V.Lapoux, Y.Maeda, F.M.Marques, T.Motobayashi, T.Miyazaki, T.Nakamura, N.Nakatsuka, Y.Nishio, A.Obertelli, A.Ohkura, N.A.Orr, S.Ota, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, E.C.Pollacco, S.Reichert, J.-Y.Rousse, A.T.Saito, S.Sakaguchi, M.Sako, C.Santamaria, M.Sasano, H.Sato, M.Shikata, Y.Shimizu, Y.Shindo, L.Stuhl, T.Sumikama, Y.L.Sun, M.Tabata, Y.Togano, J.Tsubota, F.R.Xu, J.Yasuda, K.Yoneda, J.Zenihiro, S.-G.Zhou, W.Zuo, T.Uesaka

Quasifree Neutron Knockout Reaction Reveals a Small s-Orbital Component in the Borromean Nucleus 17B

NUCLEAR REACTIONS 1H(17B, np)16B, E ∼ 277 MeV/nucleon; measured reaction products, Eγ, Iγ. 17B; deduced energy levels, partial σ and spectroscopic parameters, resonance widths. Comparison with GSM, VS-IMSRG, AMD, SM calculations. MINOS target, RIKEN Nishina Center.

doi: 10.1103/PhysRevLett.126.082501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2689.


2020AN04      Phys.Rev. C 101, 054313 (2020)

A.Antognini, N.Berger, T.E.Cocolios, R.Dressler, R.Eichler, A.Eggenberger, P.Indelicato, K.Jungmann, C.H.Keitel, K.Kirch, A.Knecht, N.Michel, J.Nuber, N.S.Oreshkina, A.Ouf, A.Papa, R.Pohl, M.Pospelov, E.Rapisarda, N.Ritjoho, S.Roccia, N.Severijns, A.Skawran, S.M.Vogiatzi, F.Wauters, L.Willmann

Measurement of the quadrupole moment of 185Re and 187Re from the hyperfine structure of muonic X rays

ATOMIC PHYSICS 185,187Re, 208Pb(μ-, μ-'), E at 29 MeV/c, [negative muon beam from the decay of pions produced in C(p, π), E=590 MeV]; measured Eγ, Iγ, energy and intensities of muonic x-rays using two HPGe detectors at the HIPA facility of Paul Scherrer Institut; deduced hyperfine splitting of the 5g to 4f muonic atom transitions, and compared to state-of-the-art atomic theoretical predictions; extracted spectroscopic quadrupole moments for ground states of 185Re and 187Re.

NUCLEAR MOMENTS 185,187Re; measured muonic atom hyperfine structure; deduced spectroscopic quadrupole moments of ground states. Comparison with previous experimental measurement using natural Re target, and with theoretical predictions.

doi: 10.1103/PhysRevC.101.054313
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020MA33      Phys.Lett. B 808, 135673 (2020)

Y.Z.Ma, F.R.Xu, N.Michel, S.Zhang, J.G.Li, B.S.Hu, L.Coraggio, N.Itaco, A.Gargano

Continuum and three-nucleon force in Borromean system: The 17Ne case

NUCLEAR STRUCTURE 17Ne; analyzed available data; calculated energy levels, J, π, proton-proton and proton-neutron correlation densities.

doi: 10.1016/j.physletb.2020.135673
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2020MA34      Phys.Rev. C 102, 024309 (2020)

X.Mao, J.Rotureau, W.Nazarewicz, N.Michel, R.M.Id Betan, Y.Jaganathen

Gamow-shell-model description of Li isotopes and their mirror partners

NUCLEAR STRUCTURE 5He, 5,6,7,8,9,10,11Li, 7Be, 8B, 9C, 10N, 11O; calculated levels, resonances, J, π in the framework of the complex-energy Gamow shell model (GSM) assuming the rigid 4He core, and effective interaction between valence nucleons based on a simplified version of the Furutani-Horiuchi-Tamagaki (FHT) potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.024309
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2020MI04      Phys.Rev. C 101, 031301 (2020)

N.Michel, J.G.Li, F.R.Xu, W.Zuo

Two-neutron halo structure of 31F

NUCLEAR STRUCTURE 25,26,27,28,29,30,31F; calculated binding energies of neutron drip-line fluorine isotopes using Gamow-shell model, Hartree-Fock many-body perturbation theory method (HF-MBPT), and valence-space in-medium similarity renormalization-group (VS-IMSRG) frameworks, with comparison to values in AME2016. 27,29,31F; calculated neutron densities, rms radii, and correlation densities using Gamow-shell model, Berggren basis, effective field theory, and effective Hamiltonians. Discussed two-neutron halo structure of 31F.

doi: 10.1103/PhysRevC.101.031301
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2019LI50      Phys.Rev. C 100, 054313 (2019)

J.G.Li, N.Michel, B.S.Hu, W.Zuo, F.R.Xu

Ab initio no-core Gamow shell-model calculations of multineutron systems

NUCLEAR STRUCTURE 3,4n; calculated resonances, energies and widths using the ab-initio no-core Gamow shell model based on nuclear chiral effective field theory interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.054313
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2019ME01      Phys.Rev. C 99, 044606 (2019)

A.Mercenne, N.Michel, M.Ploszajczak

Gamow shell model description of 4He (d, d) elastic scattering reactions

NUCLEAR REACTIONS 4He(d, d), E=0-12 MeV; calculated phase shifts, differential σ(E, θ) using Gamow shell model (GSM) in coupled-channel (GSM-CC) representation. Comparison with experimental data.

NUCLEAR STRUCTURE 6Li; calculated levels, J, π, and widths of T=0 states using Gamow shell model in coupled-channel approach (GSM-CC). Comparison with experimental data.

doi: 10.1103/PhysRevC.99.044606
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2019MI21      Phys.Rev. C 100, 064303 (2019)

N.Michel, J.G.Li, F.R.Xu, W.Zuo

Description of proton-rich nuclei in the A ≈ 20 region within the Gamow shell model

NUCLEAR STRUCTURE 17F, 18Ne, 19Na, 20Mg, 21Al, 22Si; calculated levels, J, π, proton-emission widths, binding energies, Hamiltonian Coulomb contributions of the ground and excited states of 16O isotones with respect to the 16O core using Gamow shell model (GSM) with the EFT and/or FHT interaction. Comparison with experimental data.

NUCLEAR REACTIONS 18Ne(p, p), E(cm)=0.5-2.5 MeV; calculated differential σ(E) using Gamow shell model and resonating group method (GSM-RGM) with the A-dependent EFT interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.064303
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2018LE18      Phys.Rev.Lett. 121, 262502 (2018)

S.Leblond, F.M.Marques, J.Gibelin, N.A.Orr, Y.Kondo, T.Nakamura, J.Bonnard, N.Michel, N.L.Achouri, T.Aumann, H.Baba, F.Delaunay, Q.Deshayes, P.Doornenbal, N.Fukuda, J.W.Hwang, N.Inabe, T.Isobe, D.Kameda, D.Kanno, S.Kim, N.Kobayashi, T.Kobayashi, T.Kubo, J.Lee, R.Minakata, T.Motobayashi, D.Murai, T.Murakami, K.Muto, T.Nakashima, N.Nakatsuka, A.Navin, S.Nishi, S.Ogoshi, H.Otsu, H.Sato, Y.Satou, Y.Shimizu, H.Suzuki, K.Takahashi, H.Takeda, S.Takeuchi, R.Tanaka, Y.Togano, A.G.Tuff, M.Vandebrouck, K.Yoneda

First Observation of 20B and 21B

NUCLEAR REACTIONS 12C(22N, 2p)20B, E=225 MeV/nucleon; 12C(22C, p)21B, E=233 MeV/nucleon; measured reaction products; deduced energy levels, J, π, one- and two-neutron separation energies. Comparison with shell model calculations.

doi: 10.1103/PhysRevLett.121.262502
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2018PU01      Nucl.Instrum.Methods Phys.Res. B415, 41 (2018)

G.Pupillo, T.Sounalet, N.Michel, L.Mou, J.Esposito, F.Haddad

New production cross sections for the theranostic radionuclide 67Cu

NUCLEAR REACTIONS 68Zn(p, 2p), (p, 2n), (p, 3n), E=35-70 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with available data.

doi: 10.1016/j.nimb.2017.10.022
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2017DO02      J.Phys.(London) G44, 045201 (2017)

G.X.Dong, N.Michel, K.Fossez, M.Ploszajczak, Y.Jaganathen, R.M.Id Betan

Gamow shell model description of radiative capture reactions 6Li(p, γ)7Be and 6Li(n, γ)7Li

NUCLEAR REACTIONS 6Li(p, γ), (n, γ), E(cm)<2 MeV; calculated σ, S-factors, energy levels, J, π. Comparison with available data.

doi: 10.1088/1361-6471/aa5f24
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2017FO13      Phys.Rev.Lett. 119, 032501 (2017)

K.Fossez, J.Rotureau, N.Michel, M.Ploszajczak

Can Tetraneutron be a Narrow Resonance?

NUCLEAR STRUCTURE 4NN; analyzed available data; calculated evolution of the energy and width of the four-neutron system with the scaling of the N3LO interaction; deduced the energy of the four-neutron system compatible with the experimental value, its width must be larger than the reported upper limit, supporting the interpretation of the experimental observation as a reaction process too short to form a nucleus. Quasistationary formalism using ab initio techniques with various two-body chiral interactions.

doi: 10.1103/PhysRevLett.119.032501
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2017FO17      Phys.Rev. C 96, 024308 (2017)

K.Fossez, J.Rotureau, N.Michel, W.Nazarewicz

Continuum effects in neutron-drip-line oxygen isotopes

NUCLEAR STRUCTURE 23,24,25,26,27,28O; calculated binding energies, resonances and widths using complex-energy Gamow shell model and density matrix renormalization group method with a finite-range two-body interaction (GSM+DMRG). Comparison with experimental data.

doi: 10.1103/PhysRevC.96.024308
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2017JA14      Phys.Rev. C 96, 054316 (2017)

Y.Jaganathen, R.M.Id Betan, N.Michel, W.Nazarewicz, M.Ploszajczak

Quantified Gamow shell model interaction for psd-shell nuclei

NUCLEAR STRUCTURE 5He, 5Li; calculated energies and widths of ground states. 6,7,8He, 6,7,8,9Li, 6,7,8,9Be; calculated binding energies (relative to 4He) and widths of the selected states. 6He, 6Li; calculated two-nucleon correlation densities for ground and first excited states. 4,7,8,9He, 7Be, 7B; calculated levels, J, π, widths. Complex-energy Gamow shell model (GSM), with one-body potential of 4He core modeled by Woods-Saxon + spin-orbit + Coulomb potential, and finite-range nucleon-nucleon interaction. Comparison with other experimental data.

NUCLEAR REACTIONS 4He(p, α), (n, α), E<20 MeV; calculated nuclear phase shifts as functions of incident neutron and proton energy using Woods-Saxon parameters, Correlation matrices. Comparison with experimental data.

doi: 10.1103/PhysRevC.96.054316
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2017JO12      Phys.Rev. C 96, 054322 (2017)

M.D.Jones, K.Fossez, T.Baumann, P.A.DeYoung, J.E.Finck, N.Frank, A.N.Kuchera, N.Michel, W.Nazarewicz, J.Rotureau, J.K.Smith, S.L.Stephenson, K.Stiefel, M.Thoennessen, R.G.T.Zegers

Search for excited states in 25O

NUCLEAR REACTIONS 2H(24O, 25O), E=83.4 MeV/nucleon, [secondary 24O beam from 9Be(48Ca, X) primary reaction using A1900 fragment separator at NSCL-MSU facility]; measured 24O particles by a position and energy sensitive charged particle detector and separated based on energy loss and time-of-flight, and neutrons from 25O decay by the MoNA-LISA detector array. 25O; deduced two-body (24O+n) decay energy spectrum by invariant-mass spectroscopy technique, neutron-unbound ground state, L-transfer, asymptotic normalization coefficients, cross section and width of a possible 1/2+ resonance above the ground state. Comparisons with previous experimental results, and with theoretical calculations using complex-energy Gamow Shell Model (GSM) and Density Matrix Renormalization Group (DMRG) method with a finite-range two-body interaction.

NUCLEAR STRUCTURE 23,24,25,26,27,28O; calculated levels, J, π using complex-energy Gamow Shell Model (GSM) and Density Matrix Renormalization Group (DMRG) method with a finite-range two-body interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.96.054322
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2017ME03      Phys.Rev. C 95, 024324 (2017)

A.Mercenne, N.Michel, J.Dukelsky, M.Ploszajczak

Solution of a pairing problem in the continuum

NUCLEAR STRUCTURE 14,16,18,20C; calculated binding energies, levels, J, π, configurations. Generalized Richardson solution for fermions interacting with the pairing interaction from rational Gaudin model in the Berggren ensemble. Accurate solutions for the Gamow shell model. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.024324
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2017SH14      J.Phys.(London) G44, 075103 (2017)

I.J.Shin, Y.Kim, P.Maris, J.P.Vary, C.Forssen, J.Rotureau, N.Michel

Ab initio no-core solutions for 6Li

NUCLEAR STRUCTURE 6Li; calculated energy levels, rms radii, quadrupole moments, ground state energy, magnetic dipole moment, B(E2), B(M1), Gamow-Teller matrix elements. Ab initio NCFC approach, comparison with experimental values.

doi: 10.1088/1361-6471/aa6cb7
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2017WA40      Phys.Rev. C 96, 044307 (2017)

S.M.Wang, N.Michel, W.Nazarewicz, F.R.Xu

Structure and decays of nuclear three-body systems: The Gamow coupled-channel method in Jacobi coordinates

NUCLEAR STRUCTURE 6Be, 6Li, 6He; calculated levels, J, π, decay widths, two-nucleon separation energies and angular densities, S(2n) and two-neutron correlations for 6He. 26O; calculated S(2n), GCC wave function of the g.s. in the Jacobi coordinates, level energies, widths, two-neutron correlations. Gamow shell model (GSM) in the cluster-orbital shell model coordinates, and Gamow coupled-channel (GCC) model in Jacobi coordinates, with the nuclei viewed as a core-plus-two nucleon systems.

doi: 10.1103/PhysRevC.96.044307
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2016DE15      Phys.Lett. B 758, 26 (2016)

F.de Grancey, A.Mercenne, F.de Oliveira Santos, T.Davinson, O.Sorlin, J.C.Angeique, M.Assie, E.Berthoumieux, R.Borcea, A.Buta, I.Celikovic, V.Chudoba, J.M.Daugas, G.Dumitru, M.Fadil, S.Grevy, J.Kiener, A.Lefebvre-Schuhl, N.Michel, J.Mrazek, F.Negoita, J.Okolowicz, D.Pantelica, M.G.Pellegriti, L.Perrot, M.Ploszajczak, G.Randisi, I.Ray, O.Roig, F.Rotaru, M.G.Saint Laurent, N.Smirnova, M.Stanoiu, I.Stefan, C.Stodel, K.Subotic

An above-barrier narrow resonance in 15F

NUCLEAR REACTIONS 1H(14O, p), (14O, X)15F, E=95 MeV/nucleon; measured reaction products, Ep, Ip; deduced σ(θ), resonance energy and width, level scheme, J, π. Comparison with Gamow shell model calculations.

doi: 10.1016/j.physletb.2016.04.051
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2016DU15      Appl.Radiat.Isot. 115, 113 (2016)

C.Duchemin, M.Essayan, A.Guertin, F.Haddad, N.Michel, V.Metivier

How to produce high specific activity tin-117 m using alpha particle beam

NUCLEAR REACTIONS Cd(α, X)117Sn, E<67.4 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with experimental data, TALYS-1.6 nuclear model code calculations.

doi: 10.1016/j.apradiso.2016.06.016
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2016FO01      Phys.Rev. C 93, 011305 (2016)

K.Fossez, W.Nazarewicz, Y.Jaganathen, N.Michel, M.Ploszajczak

Nuclear rotation in the continuum

NUCLEAR STRUCTURE 11Be; calculated levels, J, π, yrast band, collective rotational properties in one-halo 11Be nucleus. Nonadiabatic coupled-channel formalism and the Berggren single-particle ensemble containing bound states, narrow resonances, and the scattering continuum; deduced stabilization of collective rotation and long-lived collective states in weakly bound neutron drip-line nuclei.

doi: 10.1103/PhysRevC.93.011305
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2016FO22      Phys.Rev. C 94, 054302 (2016)

K.Fossez, J.Rotureau, N.Michel, Q.Liu, W.Nazarewicz

Single-particle and collective motion in unbound deformed 39Mg

NUCLEAR STRUCTURE 39Mg; calculated levels, J, π, resonances, half-lives and widths, configurations, one-body radial density of the valence neutron, single-particle neutron Nilsson diagram. Conventional shell model (SM), Gamow shell model (GSM), resonating group method (RGM), density matrix renormalization group (DMRG) method, and the nonadiabatic particle-plus-rotor model (PRM) formulated in the Berggren basis, with the interactions optimized to the energies of neutron-rich Mg isotopes and 2+ excitations of 34,36,38Mg.

doi: 10.1103/PhysRevC.94.054302
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2016GA29      Nucl.Instrum.Methods Phys.Res. B383, 191 (2016)

E.Garrido, C.Duchemin, A.Guertin, F.Haddad, N.Michel, V.Metivier

New excitation functions for proton induced reactions on natural titanium, nickel and copper up to 70 MeV

NUCLEAR REACTIONS Ti(p, X)43Sc/44Sc/46V/47V/48V/42K/43K, Ni(p, X)56Ni/57Ni/55Co/56Co/57Co/58Co/52Mn/54Mn, Cu(p, X)61Cu/64Cu/57Ni/56Co/57Co/58Co/60Co/62Zn/65Zn/54Mn, E<70 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with TALYS code version 1.6 calculations, available data.

doi: 10.1016/j.nimb.2016.07.011
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2016ME19      Acta Phys.Pol. B47, 967 (2016)

A.Mercenne, N.Michel, M.Ploszajczak

Approximate Solution of the Pairing Hamiltonian in the Berggren Basis

doi: 10.5506/APhysPolB.47.967
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2015DU03      Appl.Radiat.Isot. 97, 52 (2015)

C.Duchemin, A.Guertin, F.Haddad, N.Michel, V.Metivier

Cross section measurements of deuteron induced nuclear reactions on natural tungsten up to 34 MeV

NUCLEAR REACTIONS W(d, X)186Re/183Re/182Re/184Re/181Re, E<34 MeV; measured reaction products, Eγ, Iγ; deduced σ. TALYS nuclear model code calculations, comparison with available data.

doi: 10.1016/j.apradiso.2014.12.011
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2015DU09      Appl.Radiat.Isot. 103, 160 (2015)

C.Duchemin, A.Guertin, F.Haddad, N.Michel, V.Metivier

Cross section measurements of deuteron induced nuclear reactions on natural titanium up to 34 MeV

NUCLEAR REACTIONS Ti(d, X)44Sc/46Sc/47Sc/48Sc, E<34 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with TALYS 1.6 nuclear model code results.

doi: 10.1016/j.apradiso.2015.06.014
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2015FO05      Phys.Rev. C 91, 034609 (2015)

K.Fossez, N.Michel, M.Ploszajczak, Y.Jaganathen, R.M.Id Betan

Description of the proton and neutron radiative capture reactions in the Gamow shell model

NUCLEAR REACTIONS 7Be(p, γ)8B, E(cm)<3 MeV; 7Li(n, γ)8Li, E(cm)<1.2 MeV; calculated E1, M1 and E2 astrophysical S factors, total astrophysical S factor. Gamow shell model (GSM) in coupled-channel (CC) representation. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.034609
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2015PU02      J.Radioanal.Nucl.Chem. 305, 73 (2015)

G.Pupillo, J.Esposito, F.Haddad, N.Michel, M.Gambaccini

Accelerator-based production of 99Mo: a comparison between the 100Mo(p, x) and 96Zr(α, n) reactions

NUCLEAR REACTIONS 100Mo(p, X)99Mo/99Tc, 96Zr(α, n), E<40 MeV; analyzed available data on σ and yields. Comparison with TENDL library.

doi: 10.1007/s10967-015-4091-8
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2014DU12      Nucl.Data Sheets 119, 267 (2014)

C.Duchemin, A.Guertin, F.Haddad, N.Michel, V.Metivier

232Th(d, xn)230, 232, 233Pa Cross Section Measurements

NUCLEAR REACTIONS 232Th(d, n), (d, 2n), (d, 4n), E=16, 22, 30, 35 MeV; measured activation Eγ, Iγ using HPGe with low-background shield. 230,232,233Pa deduced σ (cumulative σ for 233Pa); calculated σ using TALYS. Compared with Rama Rao data.

doi: 10.1016/j.nds.2014.08.073
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2014JA05      Phys.Rev. C 89, 034624 (2014)

Y.Jaganathen, N.Michel, M.Ploszajczak

Gamow shell model description of proton scattering on 18Ne

NUCLEAR STRUCTURE 18Ne, 19Na; calculated levels, J, π, S(2p). Gamow shell model (GSM) for 18Ne, GSM, and GSM with coupled-channel formalism for 19Na, with MSG two-body interaction for both nuclei. Comparison with experimental values.

NUCLEAR REACTIONS 18Ne(p, p'), E(cm)=0.5-3 MeV; calculated σ(θ, E) using Gamow shell model with coupled channeling (GSM-CC). Comparison with experimental data.

doi: 10.1103/PhysRevC.89.034624
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2014KR01      Phys.Rev. C 89, 014330 (2014)

A.T.Kruppa, G.Papadimitriou, W.Nazarewicz, N.Michel

Nuclear three-body problem in the complex energy plane: Complex-scaling Slater method

NUCLEAR STRUCTURE 6He; calculated total energy, one and two neutron radial and angular densities of ground state and first 2+ resonance. Complex-scaling (CS) approach in the Slater basis, and benchmarking with the complex-energy Gamow shell model (GSM) for bound and unbound states of two-neutron halo nucleus 6He treated as α+n+n cluster system using Minnesota force for two-body interaction, and Tikhonov regularization procedure.

doi: 10.1103/PhysRevC.89.014330
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2014MA20      Phys.Rev. C 89, 044317 (2014)

H.Masui, K.Kato, N.Michel, M.Ploszajczak

Precise comparison of the Gaussian expansion method and the Gamow shell model

NUCLEAR STRUCTURE 6He, 6Be; calculated level energies and poles of ground states and first 2+ unbound states with 4He+2n and 4He+2p systems, density of valence neutrons. Gamow shell model (GSM), and Gaussian expansion method with complex scaling (GEM+CS).

doi: 10.1103/PhysRevC.89.044317
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2014PU02      J.Radioanal.Nucl.Chem. 302, 911 (2014)

G.Pupillo, J.Esposito, M. Gambaccini, F.Haddad, N.Michel

Experimental cross section evaluation for innovative 99Mo production via the (α, n) reaction on 96Zr target

NUCLEAR REACTIONS 96Zr(α, n), E=8-34 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with available data.

doi: 10.1007/s10967-014-3321-9
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2253.


2014SO13      Nucl.Data Sheets 119, 261 (2014)

T.Sounalet, N.Michel, C.Alliot, A.Audouin, J.Barbet, A.C.Bonraisin, Y.Bortoli, V.Bosse, C.Bourdeau, G.Bouvet, J.M.Buhour, A.Cadiou, S.Fresneau, M.Guillamet, F.Haddad, J.Laize, T.Milleto, F.Milon, M.Mokili, G.Montavon

Strontium-82 and Future Germanium-68 Production at the ARRONAX Facility

doi: 10.1016/j.nds.2014.08.072
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2013PA30      Phys.Rev. C 88, 044318 (2013)

G.Papadimitriou, J.Rotureau, N.Michel, M.Ploszajczak, B.R.Barrett

Ab initio no-core Gamow shell model calculations with realistic interactions

NUCLEAR STRUCTURE 3H, 4,5He; calculated ground-state energies, widths, asymptotic normalization coefficients (ANC), spectroscopic factors for well-bound and unbound states. No-core Gamow shell model (NCGSM), and density matrix renormalization group (DMRG) method with N3LO interaction. Benchmarking of results against Faddeev and Faddeev-Yakubovsky calculations for 3H and 4He.

doi: 10.1103/PhysRevC.88.044318
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2012HA29      Phys.Rev. C 86, 021602 (2012)

G.Hagen, N.Michel

Elastic proton scattering of medium mass nuclei from coupled-cluster theory

NUCLEAR REACTIONS 40Ca(p, p), E(cm)=9.6, 12.44 MeV; calculated scattering s-wave functions, radial overlap function between g.s. of 40Ca and states in 41Sc, differential σ(θ, E), phase shifts. Coupled-cluster theory with interactions from chiral effective field theory. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.021602
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2012OK02      Phys.Rev. C 85, 064320 (2012)

J.Okolowicz, N.Michel, W.Nazarewicz, M.Ploszajczak

Asymptotic normalization coefficients and continuum coupling in mirror nuclei

NUCLEAR STRUCTURE 6,7,8Li, 7Be, 8,12B, 12N, 16,17,18O, 17F, 18Ne, 22Mg; calculated asymptotic normalization coefficient (ANC) and single-particle ANC (SPANC) as a function of the binding energy and orbital angular momentum, separation energies for pairs of nuclei, excitation energies and widths of the first excited states, GSM and SMEC predictions of ANCs in mirror nuclei, spectroscopic strengths in mirror pairs. Real-energy and complex-energy continuum-shell-model approaches. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.064320
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2012VE05      Phys.Rev. C 86, 024303 (2012)

P.Vesely, J.Toivanen, B.G.Carlsson, J.Dobaczewski, N.Michel, A.Pastore

Giant monopole resonances and nuclear incompressibilities studied for the zero-range and separable pairing interactions

NUCLEAR STRUCTURE Z=8, 20, 28, 50, 82, A=18-262; N=8, 20, 28, 50, 82, 126, A=18-222; Z=50, A=96-172; Z=82, A=166-262; calculated neutron and proton pairing gaps, and incompressibility using SLy4 and UNEDF0 functionals, and zero-range separable pairing force. 112Sn; calculated QRPA monopole strength function for GMR. Quasiparticle random phase approximation (QPRA) on top of spherical Hartree-Fock-Bogoliubov solutions with iterative Arnoldi method. Comparison with experimental data. Influence of zero-range and separable pairing forces on monopole strengths.

doi: 10.1103/PhysRevC.86.024303
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2011MI03      Phys.Rev. C 83, 034325 (2011)

N.Michel

Numerical treatment of the long-range Coulomb potential with Berggren bases

doi: 10.1103/PhysRevC.83.034325
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2011PA35      Phys.Rev. C 84, 051304 (2011)

G.Papadimitriou, A.T.Kruppa, N.Michel, W.Nazarewicz, M.Ploszajczak, J.Rotureau

Charge radii and neutron correlations in helium halo nuclei

NUCLEAR STRUCTURE 6,8He; calculated two-neutron GSM density, ground state configurations, rms charge and neutron radii, S(2n) versus rms neutron radius. The Gamow shell model (GSM) with a finite-range modified MN interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.051304
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2010MI22      Phys.Rev. C 82, 044315 (2010)

N.Michel, W.Nazarewicz, M.Ploszajczak

Isospin mixing and the continuum coupling in weakly bound nuclei

NUCLEAR STRUCTURE 6He, 6Be, 6Li; calculated isobaric analog states (IAS), isospin multiplets, spectroscopic factors, GSM amplitudes using Gamow Shell Model. Isospin-breaking effects due to Coulomb interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.82.044315
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2009MI30      Eur.Phys.J. A 42, 523 (2009)

N.Michel

A simple and efficient numerical scheme to integrate non-local potentials

NUCLEAR STRUCTURE 16O; calculated single-particle energies, configurations and related features using the trivially equivalent potential method.

doi: 10.1140/epja/i2008-10738-7
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2009RO02      Phys.Rev. C 79, 014304 (2009)

J.Rotureau, N.Michel, W.Nazarewicz, M.Ploszajczak, J.Dukelsky

Density matrix renormalization group approach to two-fluid open many-fermion systems

NUCLEAR STRUCTURE 7,8Li; calculated ground-state energies. Density matrix renormalization group, Gamow shell model.

doi: 10.1103/PhysRevC.79.014304
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2008MI23      Phys.Rev. C 78, 044319 (2008)

N.Michel, K.Matsuyanagi, M.Stoitsov

Gamow-Hartree-Fock-Bogoliubov method: Representation of quasiparticles with Berggren sets of wave functions

NUCLEAR STRUCTURE 84,86,88,90Ni; calculated neutron densities, pairing densities, rms radii. Gamow-Hatree-Fock-Bogoliubov method.

doi: 10.1103/PhysRevC.78.044319
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2008ST09      Phys.Rev. C 77, 054301 (2008)

M.Stoitsov, N.Michel, K.Matsuyanagi

New efficient method for performing Hartree-Fock-Bogoliubov calculations for weakly bound nuclei

NUCLEAR STRUCTURE 40Mg, 84,86,88,90Ni, 110Zr; calculated neutron levels, wave functions, neutron and proton pairing densities. Hartree-Fock-Bogoliubov/Poschl-Teller-Ginocchio model. Skyrme-force and surface-type delta pairing interactions.

doi: 10.1103/PhysRevC.77.054301
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2007DO12      Prog.Part.Nucl.Phys. 59, 432 (2007)

J.Dobaczewski, N.Michel, W.Nazarewicz, M.Ploszajczak, J.Rotureau

Shell structure of exotic nuclei

doi: 10.1016/j.ppnp.2007.01.022
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2007MI05      Phys.Rev. C 75, 031301 (2007)

N.Michel, W.Nazarewicz, M.Ploszajczak

Threshold effects in multichannel coupling and spectroscopic factors in exotic nuclei

NUCLEAR STRUCTURE 6,7He; calculated overlap integrals vs neutron separation energy; deduced threshold effects. Wigner-cusp phenomenon.

doi: 10.1103/PhysRevC.75.031301
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2007MI34      Nucl.Phys. A794, 29 (2007)

N.Michel, W.Nazarewicz, M.Ploszajczak

Continuum coupling and single-nucleon overlap integrals

NUCLEAR STRUCTURE 5,6He, 17,18O; calculated overlap integrals vs neutron separation energy, spectroscopic factors; deduced threshold effects. Wigner-cusp phenomenon.

doi: 10.1016/j.nuclphysa.2007.07.004
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2006HA23      Phys.Rev. C 73, 064307 (2006)

G.Hagen, M.Hjorth-Jensen, N.Michel

Gamow shell model and realistic nucleon-nucleon interactions

NUCLEAR STRUCTURE 4He, 16O; calculated single-particle energies. 6He, 18O; calculated level energies, configurations. Gamow shell model.

doi: 10.1103/PhysRevC.73.064307
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2006MI29      Phys.Rev. C 74, 054305 (2006)

N.Michel, W.Nazarewicz, M.Ploszajczak, J.Rotureau

Antibound states and halo formation in the Gamow shell model

NUCLEAR STRUCTURE 11Li; calculated halo state wave function, related features. Gamow shell model.

doi: 10.1103/PhysRevC.74.054305
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2005MI11      Nucl.Phys. A752, 335c (2005)

N.Michel, W.Nazarewicz, J.Okolowicz, M.Ploszajczak

Shell Model Description of Weakly Bound Nuclei

NUCLEAR STRUCTURE 5,6,7Li; calculated level energies, configurations. 5,7He; calculated spin-orbit splitting.

doi: 10.1016/j.nuclphysa.2005.02.042
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2005MI22      J.Phys.(London) G31, S1321 (2005)

N.Michel, W.Nazarewicz, M.Ploszajczak

Numerical aspects of the Gamow shell model

NUCLEAR STRUCTURE 7He; calculated levels, J, π, configurations. 6He; calculated ground-state spectroscopic factor. Gamow shell model.

doi: 10.1088/0954-3899/31/8/010
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2005MI33      Eur.Phys.J. A 25, Supplement 1, 493 (2005)

N.Michel, W.Nazarewicz, M.Ploszajczak, J.Rotureau

Shell-model description of weakly bound and unbound nuclear states

NUCLEAR STRUCTURE 6,7,8,9He, 6,7,8,9Li; calculated binding energies. 6He; calculated ground and excited states spectroscopic factors. Gamow shell model.

doi: 10.1140/epjad/i2005-06-136-7
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2005MI34      Eur.Phys.J. A 25, Supplement 1, 503 (2005)

N.Michel, W.Nazarewicz, M.Ploszajczak

Effects of the continuum coupling on spin-orbit splitting

NUCLEAR STRUCTURE 7He; calculated spin-orbit splitting, continuum coupling effects.

doi: 10.1140/epjad/i2005-06-213-y
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2004MI31      Acta Phys.Pol. B35, 1249 (2004)

N.Michel, W.Nazarewicz, J.Okolowicz, M.Ploszajczak, J.Rotureau

Shell Model Description of Nuclei Far from Stability

NUCLEAR STRUCTURE 20,21,22,23,24,25,26,27,28,29O, 21,22,23,24,25,26,27,28,29,30,31F; calculated continuum-coupling correction to binding energy. 6,7,8,9He; calculated ground and excited states energies.


2004MI52      Phys.Rev. C 70, 064313 (2004)

N.Michel, W.Nazarewicz, M.Ploszajczak

Proton-neutron coupling in the Gamow shell model: The lithium chain

NUCLEAR STRUCTURE 6,7,9He, 7,8,9,10,11Li; calculated binding energies. 5,6,7,8,9,10,11Li; calculated levels, J, π, isospin mixing effects. Gamow shell model, comparison with data.

doi: 10.1103/PhysRevC.70.064313
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2003MI09      Phys.Rev. C 67, 054311 (2003)

N.Michel, W.Nazarewicz, M.Ploszajczak, J.Okolowicz

Gamow shell model description of weakly bound nuclei and unbound nuclear states

NUCLEAR STRUCTURE 6,7,8,9He, 18,19,20O; calculated levels, J, π, configurations, binding energies, resonance features. Gamow shell model, comparison with data.

doi: 10.1103/PhysRevC.67.054311
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2003NA05      Nucl.Instrum.Methods Phys.Res. B204, 1 (2003)

W.Nazarewicz, J.Dobaczewski, N.Michel, M.Ploszajczak, M.V.Stoitsov, J.Terasaki

Prospects for new science with EM devices

doi: 10.1016/S0168-583X(02)01883-9
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2002MI17      Nucl.Phys. A703, 202 (2002)

N.Michel, J.Okolowicz, F.Nowacki, M.Ploszajczak

First-Forbidden Mirror β-Decays in A = 17 Mass Region

NUCLEAR STRUCTURE 17O, 17F; calculated levels, J, π, β-decay matrix elements. Shell model, continuum coupling.

NUCLEAR REACTIONS 16O(p, γ), E(cm) ≈ 0-3.5 MeV; calculated astrophysical S-factors. Shell model, continuum coupling.

doi: 10.1016/S0375-9474(01)01529-9
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2002MI27      Phys.Rev.Lett. 89, 042502 (2002)

N.Michel, W.Nazarewicz, M.Ploszajczak, K.Bennaceur

Gamow Shell Model Description of Neutron-Rich Nuclei

NUCLEAR STRUCTURE 6He, 18O; calculated levels, J, π, resonances. Continuum shell model, multiconfiguration mixing, Berggren ensemble.

doi: 10.1103/PhysRevLett.89.042502
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2000BE40      Phys.Lett. 488B, 75 (2000)

K.Bennaceur, N.Michel, F.Nowacki, J.Okolowicz, M.Ploszajczak

Shell Model Description of 16O(p, γ)17F and 16O(p, p)16O Reactions

NUCLEAR REACTIONS 16O(p, γ), E(cm) < 3.6 MeV; calculated astrophysical S-factors. 16O(p, p), E=2-6 MeV; calculated phase shifts, σ(θ=166°). Shell model. Comparisons with data.

NUCLEAR STRUCTURE 17F; calculated levels, J, π. Shell model.

doi: 10.1016/S0370-2693(00)00843-1
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2000CA04      Phys.Rev. C61, 037304 (2000)

J.M.Carmona, N.Michel, J.Richert, P.Wagner

Finite Size Effects and the Order of a Phase Transition in Fragmenting Nuclear Systems

doi: 10.1103/PhysRevC.61.037304
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