NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = T.Kokalova Found 72 matches. 2024LI06 Phys.Rev. C 109, 015806 (2024) K.C.W.Li, R.Neveling, P.Adsley, H.Fujita, P.Papka, F.D.Smit, J.W.Brummer, L.M.Donaldson, M.N.Harakeh, Tz.Kokalova, E.Nikolskii, W.Paulsen, L.Pellegri, S.Siem, M.Wiedeking Understanding the total width of the 3-1 state in 12C
doi: 10.1103/PhysRevC.109.015806
2023LO09 Phys.Lett. B 845, 138149 (2023) J.Lois-Fuentes, B.Fernandez-Dominguez, X.Pereira-Lopez, F.Delaunay, W.N.Catford, A.Matta, N.A.Orr, T.Duguet, T.Otsuka, V.Soma, O.Sorlin, T.Suzuki, N.L.Achouri, M.Assie, S.Bailey, B.Bastin, Y.Blumenfeld, R.Borcea, M.Caamano, L.Caceres, E.Clement, A.Corsi, N.Curtis, Q.Deshayes, F.Farget, M.Fisichella, G.de France, S.Franchoo, M.Freer, J.Gibelin, A.Gillibert, G.F.Grinyer, F.Hammache, O.Kamalou, A.Knapton, Tz.Kokalova, V.Lapoux, B.Le Crom, S.Leblond, F.M.Marques, P.Morfouace, J.Pancin, L.Perrot, J.Piot, E.Pollacco, D.Ramos, D.Regueira-Castro, C.Rodriguez-Tajes, T.Roger, F.Rotaru, M.Senoville, N.de Sereville, R.Smith, M.Stanoiu, I.Stefan, C.Stodel, D.Suzuki, J.C.Thomas, N.Timofeyuk, M.Vandebrouck, J.Walshe, C.Wheldon Cross-shell states in 15C: A test for p-sd interactions NUCLEAR REACTIONS 2H(16C, t), E=17.2 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ(θ), level energies, J, π, experimental level scheme, single-particle strength, normalised spectroscopic factors. Comparison with the ab initio self-consistent Green's function method employing the NNLOsat interaction. TIARA Silicon array, three MUST2 telescopes, GANIL.
doi: 10.1016/j.physletb.2023.138149
2022BA39 Phys.Rev. C 106, 054310 (2022) M.Barbui, A.Volya, E.Aboud, S.Ahn, J.Bishop, V.Z.Goldberg, J.Hooker, C.H.Hunt, H.Jayatissa, Tz.Kokalova, E.Koshchiy, S.Pirrie, E.Pollacco, B.T.Roeder, A.Saastamoinen, S.Upadhyayula, C.Wheldon, G.V.Rogachev α-cluster structure of 18Ne NUCLEAR REACTIONS 4He(14O, α), E=61.8 MeV; measured reaction product, Eα, Iα, angular distribution; deduced σ(θ), excitation function of 18Ne. 18Ne; deduced resonances J, π, resonance total and partial widths. 18Ne, O; calculated levels J, π. Analysis with a multichannel R-matrix approach. Shell model with FSU interaction Hamiltonian calculations. Comparison with other experimental data. TexAT active target at magnetic achromat recoil separator (Cyclotron Institute at Texas AM University).
doi: 10.1103/PhysRevC.106.054310
2021BA19 Eur.Phys.J. A 57, 108 (2021) S.Bailey, T.Kokalova, M.Freer, C.Wheldon, R.Smith, J.Walshe, N.Soic, L.Prepolec, V.Tokic, F.M.Marques, L.Achouri, F.Delaunay, M.Parlog, Q.Deshayes, B.Fernandez-Dominguez, B.Jacquot The identification of α-clustered doorway states in 44, 48, 52Ti using machine learning NUCLEAR REACTIONS 4He(40Ca, α), (44Ca, α), (48Ca, α), E not given; analyzed available σ(θ) data; deduced Random Forest Classifier (RFC) toclassify spectra as either clustered or not clustered.
doi: 10.1140/epja/s10050-021-00357-3
2021PI06 Eur.Phys.J. A 57, 150 (2021) S.Pirrie, C.Wheldon, Tz.Kokalova, J.Bishop, Th.Faestermann, R.Hertenberger, H.F.Wirth, S.Bailey, N.Curtis, D.Dell'Aquila, D.Mengoni, R.Smith, D.Torresi, A.Turner Precision branching-ratio measurements in 18O NUCLEAR REACTIONS 12C(7Li, p), E=44 MeV; measured reaction products; deduced energy levels, J, π, branching ratios, resonance parameters. Comparison with available data, Monte-Carlo techniques, Q3D magnetic spectrograph.
doi: 10.1140/epja/s10050-021-00431-w
2020GR08 J.Phys.(London) G47, 085104 (2020) M.R.Griffiths, C.Wheldon, Tz.Kokalova, A.Turner, S.Pirrie, V.Ziman, N.I.Ashwood, J.D.Malcolm, M.Barr, M.Freer, Th.Faestermann, H-F.Wirth, R.Hertenberger, R.Gernhauser, R.Krucken Mass measurement of Re-190 NUCLEAR REACTIONS 192Os, 194Pt(d, α)190Re/192Ir, E=18 MeV; measured Eα, Iα using Q3D magnetic spectrograph at MLL-Munich tandem Van de Graaff accelerator facility. 190Re, 192Ir; deduced levels, J, π. ATOMIC MASSES 190Re; deduced mass excess, atomic mass and binding energy. Comparison with values in AME2016.
doi: 10.1088/1361-6471/ab98e3
2020PE15 Phys.Lett. B 811, 135939 (2020) X.Pereira-Lopez, B.Fernandez-Dominguez, F.Delaunay, N.L.Achouri, N.A.Orr, W.N.Catford, M.Assie, S.Bailey, B.Bastin, Y.Blumenfeld, R.Borcea, M.Caamano, L.Caceres, E.Clement, A.Corsi, N.Curtis, Q.Deshayes, F.Farget, M.Fisichella, G.de France, S.Franchoo, M.Freer, J.Gibelin, A.Gillibert, G.F.Grinyer, F.Hammache, O.Kamalou, A.Knapton, T.Kokalova, V.Lapoux, J.A.Lay, B.Le Crom, S.Leblond, J.Lois-Fuentes, F.M.Marques, A.Matta, P.Morfouace, A.M.Moro, T.Otsuka, J.Pancin, L.Perrot, J.Piot, E.Pollacco, D.Ramos, C.Rodriguez-Tajes, T.Roger, F.Rotaru, M.Senoville, N.de Sereville, R.Smith, O.Sorlin, M.Stanoiu, I.Stefan, C.Stodel, D.Suzuki, T.Suzuki, J.C.Thomas, N.Timofeyuk, M.Vandebrouck, J.Walshe, C.Wheldon Low-lying single-particle structure of 17C and the N=14 sub-shell closure NUCLEAR REACTIONS 2H(16C, p)17C, E=17.2 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ(θ), γ-ray energies, J, π, level scheme, spectroscopic factors. Comparison with shell model and particle-core model calculations.
doi: 10.1016/j.physletb.2020.135939
2020PI14 Phys.Rev. C 102, 064315 (2020) S.Pirrie, C.Wheldon, Tz.Kokalova, J.Bishop, Th.Faestermann, R.Hertenberger, H.-F.Wirth, S.Bailey, N.Curtis, D.Dell'Aquila, D.Mengoni, R.Smith, D.Torresi, A.Turner Search for evidence of rotational cluster bands in 18O NUCLEAR REACTIONS 12C(7Li, p)18O*, E=44.0 MeV; measured reaction products, recoil protons, (18O break-up particle)α-coin using the Q3D magnetic spectrograph, and the Birmingham large-angular-coverage DSSD array at the Maier-Leibnitz Laboratory (MLL) in Garching. 18O; deduced levels, J, π, total widths, Γα/Γ branching ratios, barrier penetration, θα2, bands, no evidence of consistent (14C+α or 12C+2n+α) cluster structure for any of the bands. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.102.064315
2019BA45 Phys.Rev. C 100, 051302 (2019) S.Bailey, T.Kokalova, M.Freer, C.Wheldon, R.Smith, J.Walshe, N.Curtis, N.Soic, L.Prepolec, V.Tokic, F.M.Marques, L.Achouri, F.Delaunay, Q.Deshayes, M.Parlog, B.Fernandez-Dominguez, B.Jacquot, A.Soylu Extracting the spectral signature of α clustering in 44, 48, 52Ti using a continuous wavelet transform NUCLEAR REACTIONS 4He(40Ca, α)44Ti*, E=180 MeV; 4He(44Ca, α)48Ti*, E=207 MeV; 4He(48Ca, α)52Ti*, E=234 MeV; measured scattered α particles, Eα, Iα, differential σ using double-sided silicon strip detectors at the GANIL radioactive beam facility; deduced continuous wavelet transform (CWT) of the measured spectra, and compared with simulated spectra using the simplified R matrix for spinless particles. 44Ti; deduced high-lying α-clustered levels J, π and compared with previous measurements. Present technique combined thick target inverse kinematics (TTIK) approach and the resonant scattering measurements with the continuous wavelet transform (CWT).
doi: 10.1103/PhysRevC.100.051302
2019BI05 Phys.Rev. C 100, 034320 (2019) J.Bishop, Tz.Kokalova, M.Freer, L.Acosta, M.Assie, S.Bailey, G.Cardella, N.Curtis, E.De Filippo, D.Dell'Aquila, S.De Luca, L.Francalanza, B.Gnoffo, G.Lanzalone, I.Lombardo, N.S.Martorana, S.Norella, A.Pagano, E.V.Pagano, M.Papa, S.Pirrone, G.Politi, F.Rizzo, P.Russotto, L.Quattrocchi, R.Smith, I.Stefan, A.Trifiro, M.Trimarchi, G.Verde, M.Vigilante, C.Wheldon Experimental investigation of α condensation in light nuclei NUCLEAR REACTIONS 12C(16O, 28Si)4He/6Li/7Li/7Be/9Be/10B/11B/11C/12C/13C/11N/12C/15O/15N/16O/F/Ne/20Ne/24Mg/28Si, E=160, 280, 400 MeV from the K800 cyclotron at the LNS-Catania accelerator facility; measured reaction product yields, σ, Eα, Iα using the Charged Heavy Ion Mass and Energy Resolving Array (CHIMERA) and Femtoscope Array for Correlation and Spectroscopy (FARCOS); deduced raw α-particle multiplicity, particle-identification plots (PIDs), interaction time plot, distribution of α-particle energies, excitation functions, Q values for different reaction channels, branching ratios for the 7-α breakup modes. Experiments aimed at search for α-gas states in 12C, 16O, 20Ne, 24Mg, 28Si. Results described by a hybrid of sequential decays and multiparticle breakup mechanisms, as no signatures for α condensation observed. Comparison of measured yields to the extended Hauser-Feshbach (EHF), and comparison of 7-α particle states to Fermi breakup model predictions.
doi: 10.1103/PhysRevC.100.034320
2017JO07 Phys.Rev. C 95, 064321 (2017) P.R.John, J.J.Valiente-Dobon, D.Mengoni, V.Modamio, S.Lunardi, D.Bazzacco, A.Gadea, C.Wheldon, T.R.Rodriguez, T.Alexander, G.de Angelis, N.Ashwood, M.Barr, G.Benzoni, B.Birkenbach, P.G.Bizzeti, A.M.Bizzeti-Sona, S.Bottoni, M.Bowry, A.Bracco, F.Browne, M.Bunce, F.Camera, L.Corradi, F.C.L.Crespi, B.Melon, E.Farnea, E.Fioretto, A.Gottardo, L.Grente, H.Hess, Tz.Kokalova, W.Korten, A.Kusoglu, S.Lenzi, S.Leoni, J.Ljungvall, R.Menegazzo, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, D.R.Napoli, Zs.Podolyak, G.Pollarolo, F.Recchia, P.Reiter, O.J.Roberts, E.Sahin, M.-D.Salsac, F.Scarlassara, M.Sferrazza, P.-A.Soderstrom, A.M.Stefanini, S.Szilner, C.A.Ur, A.Vogt, J.Walshe In-beam γ-ray spectroscopy of the neutron-rich platinum isotope 200Pt toward the N=126 shell gap NUCLEAR REACTIONS 198Pt(82Se, 80Se)200Pt, E=426 MeV; measured Eγ, Iγ, (80Se recoils)γγ-coin using PRISMA spectrometer for 80Se recoils and AGATA array for Doppler-corrected γ rays at XTU Tandem-ALPI accelerator of LNL-Legnaro facility. 200Pt; deduced levels, J, π, ground-state band, structure above the 17-ns, 7- isomer. Comparison with theoretical model calculations. NUCLEAR STRUCTURE 190,192,194,196,198,200,202,204Pt; calculated particle-number-projected potential energy surfaces in (β2, γ) plane, yrast band excitation energies. Beyond mean-field, symmetry-conserving configuration-mixing (SCCM) calculations based on Gogny D1S energy density functionals. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.064321
2017LI08 Phys.Rev. C 95, 031302 (2017) K.C.W.Li, R.Neveling, P.Adsley, P.Papka, F.D.Smit, J.W.Brummer, C.Aa.Diget, M.Freer, M.N.Harakeh, Tz.Kokalova, F.Nemulodi, L.Pellegri, B.Rebeiro, J.A.Swartz, S.Triambak, J.J.van Zyl, C.Wheldon Characterization of the proposed 4-α cluster state candidate in 16O NUCLEAR REACTIONS 16O(α, α'), E=200 MeV; measured Eα, Iα, E(p), I(p), (particle)(particle)-coin, angular correlations of charged-particle decays from 16O via α and proton decays using K600 magnetic spectrometer at iThemba LABS. 16O; deduced levels, resonances, L-transfers, J, π, total widths and branching ratios for particle decays of resonances extracted from R-matrix fits, a resonance at 15.090 MeV, 0+ suggested as a candidate for the 4α cluster state, consistent with several theoretical cluster calculations.
doi: 10.1103/PhysRevC.95.031302
2017SM03 Phys.Rev.Lett. 119, 132502 (2017) R.Smith, Tz.Kokalova, C.Wheldon, J.E.Bishop, M.Freer, N.Curtis, D.J.Parker New Measurement of the Direct 3α Decay from the 12C Hoyle State NUCLEAR REACTIONS 12C(α, 3α)4He, E=40 MeV; measured reaction products, Eα, Iα; deduced Dalitz plots, upper limit for the rare direct 3α decay branch. Comparison with theoretical calculations.
doi: 10.1103/physrevlett.119.132502
2017TO14 Phys.Rev. C 96, 044317 (2017) D.Torresi, C.Wheldon, Tz.Kokalova, S.Bailey, A.Boiano, C.Boiano, M.Fisichella, M.Mazzocco, C.Parascandolo, D.Pierroutsakou, E.Strano, M.Zadro, M.Cavallaro, S.Cherubini, N.Curtis, A.Di Pietro, J.P.Fernandez-Garcia, P.Figuera, T.Glodariu, J.Grebosz, M.La Cognata, M.La Commara, M.Lattuada, D.Mengoni, R.G.Pizzone, C.Signorini, C.Stefanini, L.Stroe, C.Spitaleri Evidence for 15O + α resonance structures in 19Ne via direct measurement NUCLEAR REACTIONS 4He(15O, α), E=28.5 MeV, [secondary 15O beam from 1H(15N, 15O), E=80 MeV primary reaction at LNL-XTU, Legnaro tandem Van de Graaff accelerator; measured Eα, Iα using a double-sided silicon strip detector (DSSSD), absolute differential cross sections. 19Ne; deduced levels, resonances, J, π, Γα, total Γ, partial decay branches, reduced α-widths, 15O+α rotational band, cluster structure using R-matrix analysis with AZURE2 code. Comparison with previous experimental results, and with potential model calculation using the well-known 16O+α cluster band configurations. Relevance to α branching ratio in the astrophysical reaction rate for high-spin near-threshold resonances.
doi: 10.1103/PhysRevC.96.044317
2016SM02 Phys.Rev. C 94, 014320 (2016) R.Smith, C.Wheldon, M.Freer, N.Curtis, Tz.Kokalova, S.Almaraz-Calderon, A.Aprahamian, N.I.Ashwood, M.Barr, B.Bucher, P.Copp, M.Couder, X.Fang, G.Goldring, F.Jung, S.R.Lesher, W.Lu, J.D.Malcolm, A.Roberts, W.P.Tan, V.A.Ziman Evidence for a 3.8 MeV state in 9Be NUCLEAR REACTIONS 9Be(α, n3α), E=22, 26 MeV; measured Eα, Iα using an array of double-sided silicon strip detectors (DSSSDs) at the Notre Dame FN Tandem Van de Graaff accelerator facility; extracted sum energy spectra for all four final-state particles, assumed to be 3α+n, 9Be excitation spectrum. 9Be; deduced levels, new state at 3.8 MeV, J, π, width, ratios of reduced widths to Wigner limits (decays to 8Be ground state). 9Be, 9B; comparison of levels and widths in mirror nuclei.
doi: 10.1103/PhysRevC.94.014320
2016WA29 Phys.Rev. C 94, 054304 (2016) J.Walshe, M.Freer, C.Wheldon, A.Soylu, N.L.Achouri, N.I.Ashwood, W.N.Catford, I.C.Celik, N.Curtis, F.Delaunay, B.Fernandez-Dominguez, L.Grassi, Tz.Kokalova, F.M.Marques, N.A.Orr, L.Prepolec, V.Scuderi, N.Soic, V.Tokic Experimental study of high-lying states in 28Mg using the resonant elastic scattering of α particles NUCLEAR REACTIONS 4He(24Ne, α), E=3.8 MeV/nucleon, [24Ne secondary beam from C(26Mg, X), E=E=82 MeV/nucleon at GANIL facility]; measured Eα, Iα, σ(Eα, θ) using thick target in inverse kinematics (TTIK) technique. 28Mg; deduced levels, resonances, J, π, α and total widths, ratio of reduced width to the Wigner limit. R-Matrix analysis using AZURE2 code. Comparisons with theoretical calculations of widths using the code GAMOW.
doi: 10.1103/PhysRevC.94.054304
2015SW01 Phys.Rev. C 91, 034317 (2015) J.A.Swartz, B.A.Brown, P.Papka, F.D.Smit, R.Neveling, E.Z.Buthelezi, S.V.Fortsch, M.Freer, Tz.Kokalova, J.P.Mira, F.Nemulodi, J.N.Orce, W.A.Richter, G.F.Steyn Spectroscopy of narrow, high-lying, low-spin states in 20Ne NUCLEAR REACTIONS 22Ne(p, t), E=60 MeV; measured triton spectra, σ(θ) using QDD magnetic spectrometer at iThemba Labs. 20Ne; deduced levels, J, π, possible 5α cluster state, isospin T=2 states in 20Ne, 20O and 20F. Comparison of angular distributions with calculations using FRESCO code, and structure data with shell-model calculations using OXBASH code.
doi: 10.1103/PhysRevC.91.034317
2015WH01 Phys.Rev. C 91, 024308 (2015) C.Wheldon, Tz.Kokalova, M.Freer, J.Walshe, R.Hertenberger, H.-F.Wirth, N.I.Ashwood, M.Barr, N.Curtis, Th.Faestermann, R.Lutter, J.D.Malcolm, D.J.Marin-Lambarri Spectroscopy of 9B via high-resolution ejectile-tagged recoil break-up NUCLEAR REACTIONS 9Be(3He, t)9B*, E=33 MeV; measured particle spectra, (9B breakup products)(triton)-coin using Munich-Q3D spectrograph at the MLL tandem Van de Graaff accelerator facility. 9B; deduced levels, J, π, total and partial widths for 8Be+p and 5Li+α channels. Comparison with earlier experimental results.
doi: 10.1103/PhysRevC.91.024308
2014BA35 Phys.Rev. C 90, 024302 (2014) S.Bailey, M.Freer, Tz.Kokalova, S.Cruz, H.Floyd, D.J.Parker Energy levels of 18F from the 14N+α resonant reaction NUCLEAR REACTIONS 4He(14N, α), (14N, d), E≈46, 62 MeV; measured particle spectra, σ(E) as function of excitation energy at the University of Birmingham MC40 Cyclotron facility. Thick-target inverse kinematics (TTIK) and R-matrix analyses. 18F; deduced levels, resonances, J, π, widths, partial widths, candidates for α-cluster states, rotational bands. 14N(α, α), (α, p); 16O(d, d), (d, α); analyzed previous σ data by R-matrix. Comparison with previous experimental results, evaluated data, and theoretical calculations.
doi: 10.1103/PhysRevC.90.024302
2014JO05 Phys.Rev. C 90, 021301 (2014) P.R.John, V.Modamio, J.J.Valiente-Dobon, D.Mengoni, S.Lunardi, T.R.Rodriguez, D.Bazzacco, A.Gadea, C.Wheldon, T.Alexander, G.de Angelis, N.Ashwood, M.Barr, G.Benzoni, B.Birkenbach, P.G.Bizzeti, A.M.Bizzeti-Sona, S.Bottoni, M.Bowry, A.Bracco, F.Browne, M.Bunce, F.Camera, B.Cederwall, L.Corradi, F.C.L.Crespi, P.Desesquelles, J.Eberth, E.Farnea, E.Fioretto, A.Gorgen, A.Gottardo, J.Grebosz, L.Grente, H.Hess, A.Jungclaus, Tz.Kokalova, A.Korichi, W.Korten, A.Kusoglu, S.Lenzi, S.Leoni, J.Ljungvall, G.Maron, W.Meczynski, B.Melon, R.Menegazzo, C.Michelagnoli, T.Mijatovic, B.Million, P.Molini, G.Montagnoli, D.Montanari, D.R.Napoli, P.Nolan, C.Oziol, Zs.Podolyak, G.Pollarolo, A.Pullia, B.Quintana, F.Recchia, P.Reiter, O.J.Roberts, D.Rosso, E.Sahin, M.-D.Salsac, F.Scarlassara, M.Sferrazza, J.Simpson, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, Ch.Theisen, C.A.Ur, J.Walshe Shape evolution in the neutron-rich osmium isotopes: Prompt γ-ray spectroscopy of 196Os NUCLEAR REACTIONS 198Pt(82Se, X), E=426 MeV; measured Eγ, Iγ, γγ-, (84Kr)γ-coin using PRISMA spectrometer for fragments and AGATA array for γ rays at Tandem-ALPI-LNL accelerator facility. 196Os; deduced levels, J, π, γ-unstable/triaxial rotor yrast band. Comparison with state-of-the-art beyond-mean-field calculations. NUCLEAR STRUCTURE 188,190,192,194,196,198Os; calculated particle number projected potential energy surfaces in (β2, γ) plane, level energies in the yrast bands using Gogny D1S interaction. State-of-the-art beyond-meanfield calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.90.021301
2014MA37 Phys.Rev.Lett. 113, 012502 (2014) D.J.Marin-Lambarri, R.Bijker, M.Freer, M.Gai, Tz.Kokalova, D.J.Parker, C.Wheldon Evidence for Triangular D3h Symmetry in 12C NUCLEAR REACTIONS 12C(α, 3α), E=40 MeV; measured reaction products, Eα, Iα; deduced yields, level scheme, J, π, high-spin states. Comparison with available data.
doi: 10.1103/PhysRevLett.113.012502
2014WH02 Phys.Rev. C 90, 014319 (2014) C.Wheldon, Tz.Kokalova, M.Freer, A.Glenn, D.J.Parker, T.Roberts, I.Walmsley States at high excitation in 12C from the 12C(3He, 3He)3α reaction NUCLEAR REACTIONS 12C(3He, 3He')3α, E=46 MeV; measured 3He spectra, 2α spectra from 8Be+α channel, yields of 6Li, 3,4He, 1,2H. 12C; deduced levels through reconstructed 8Beg.s.+α decay, isospin, widths, partial α widths, Comparison with previous experimental results. Discussed systematics of rotational states in 12C.
doi: 10.1103/PhysRevC.90.014319
2013KO14 Phys.Rev. C 87, 057307 (2013) Tz.Kokalova, M.Freer, Z.Buthelezi, J.Carter, R.W.Fearick, S.V.Fortsch, H.Fujita, R.Neveling, P.Papka, F.D.Smit, J.A.Swartz, I.Usman Precision measurement of the 9.641 MeV, 3- state in 12C NUCLEAR REACTIONS 12C(p, p'), E=66 MeV; measured E(p), I(p), σ(θ) using K600 magnetic spectrometer at iThemba LABS. 12C; deduced width of 9.641 MeV, 3- state. R-matrix analysis. Wigner limit and α-particle content.
doi: 10.1103/PhysRevC.87.057307
2013KO15 Phys.Rev. C 87, 057309 (2013) Tz.Kokalova, M.Freer, N.Curtis, N.I.Ashwood, M.Barr, J.D.Malcolm, C.Wheldon, V.A.Ziman, S.Almaraz-Calderon, A.Aprahamian, B.Bucher, M.Couder, X.Fang, F.Jung, W.Lu, A.Roberts, W.P.Tan, P.Copp, S.R.Lesher Yield measurements for resonances above the multi-α threshold in 20Ne NUCLEAR REACTIONS 16O(α, X), E=23.0-29.0 MeV; measured α and particle spectra, (particle)(particle)α-coin, yields for 8Be+8Be+α, and 8Be+12C(second 0+) channels. Measurements at Notre Dame facility. 20Ne; deduced levels, resonances, J. Monte Carlo simulations.
doi: 10.1103/PhysRevC.87.057309
2012IC02 Phys.Rev. C 86, 031303 (2012) T.Ichikawa, N.Itagaki, Y.Kanada-En'yo, Tz.Kokalova, W.von Oertzen Search for three-α states around an 16O core in 28Si NUCLEAR STRUCTURE 28Si; calculated 16O+α states including 24Mg+α, 16O12C basis wave functions, isoscalar monopole transition strengths, root-mean-square radii, density contours using Brink's α cluster model and the multiconfiguration mixing method. Hoyle-like 3α states.
doi: 10.1103/PhysRevC.86.031303
2012WH01 Phys.Rev. C 86, 044328 (2012) C.Wheldon, N.I.Ashwood, M.Barr, N.Curtis, M.Freer, Tz.Kokalova, J.D.Malcolm, V.A.Ziman, Th.Faestermann, H.-F.Wirth, R.Hertenberger, R.Lutter Absolute partial decay-branch measurements in 13C NUCLEAR REACTIONS 9Be(6Li, d)13C*, E=42 MeV; measured deuteron, neutron and α spectra from breakup of 13C, (particle)(particle)-coin, absolute partial branching ratios for neutron and α decays, widths using Q3D magnetic spectrograph at MLL, Munich facility. 13C; deduced levels, J, π, branching ratios, reduced widths, molecular band levels. Comparison with previous studies.
doi: 10.1103/PhysRevC.86.044328
2012WH02 J.Phys.:Conf.Ser. 381, 012078 (2012) C.Wheldon, N.I.Ashwood, M.Barr, N.Curtis, M.Freer, Tz.Kokalova, J.D.Malcolm, S.J.Spencer, V.A.Ziman, Th.Faestermann, R.Krucken, H.-F.Wirth, R.Hertenberger, R.Lutter, A.Bergmaier Absolute decay width measurements in 16O NUCLEAR REACTIONS 12C(6Li, d), E=42 MeV; measured E(deuteron), I(deuteron) using high-resolution Q3D spectrograph, recoil products, break-up products. 16O deduced α decay width of excited states between 13.9 and 15.9 MeV, relative and absolute α-decay width.
doi: 10.1088/1742-6596/381/1/012078
2011BE06 Acta Phys.Pol. B42, 747 (2011) C.Beck, P.Papka, A.Sanchez i Zafra, S.Thummerer, F.Azaiez, P.Bednarczyk, S.Courtin, D.Curien, O.Dorvaux, A.Goasduff, D.Lebhertz, A.Nourreddine, M.Rousseau, M.-D.Salsac, W.von Oertzen, B.Gebauer, C.Wheldon, Tz.Kokalova, G.Efimov, V.Zherebchevsky, Ch.Schulz, H.G.Bohlen, D.Kamanin, G.de Angelis, A.Gadea, S.Lenzi, D.R.Napoli, S.Szilner, M.Milin, W.N.Catford, D.G.Jenkins, G.Royer Clusters in Light Nuclei
doi: 10.5506/APhysPolB.42.747
2011BO14 Eur.Phys.J. A 47, 44 (2011) H.G.Bohlen, W.von Oertzen, M.Milin, T.Dorsch, R.Krucken, T.Faestermann, R.Hertenberger, Tz.Kokalova, M.Mahgoub, C.Wheldon, H.-F.Wirth Structures in 20O from the 14C(7Li, p) reaction at 44 MeV NUCLEAR REACTIONS 14C(7Li, p), E=44 MeV; measured reaction products, proton spectrum; deduced level energies, J, π, high-spin states, σ(θ), widths of resonances, rotational bands.
doi: 10.1140/epja/i2011-11044-1
2011FR12 Phys.Rev. C 84, 034317 (2011) M.Freer, N.I.Ashwood, N.Curtis, A.Di Pietro, P.Figuera, M.Fisichella, L.Grassi, D.Jelavic Malenica, Tz.Kokalova, M.Koncul, T.Mijatovic, M.Milin, L.Prepolec, V.Scuderi, N.Skukan, N.Soic, S.Szilner, V.Tokic, D.Torresi, C.Wheldon Analysis of states in 13C populated in 9Be + 4He resonant scattering NUCLEAR REACTIONS 4He(9Be, α), E=12, 17, 20, 21.4 MeV; measured α spectra, excitation function, σ(E). 13C; deduced levels, J, π, resonances, widths, partial α and neutron widths, R-matrix analysis. Comparison with previous data.
doi: 10.1103/PhysRevC.84.034317
2011IC03 Phys.Rev. C 83, 061301 (2011) T.Ichikawa, N.Itagaki, T.Kawabata, Tz.Kokalova, W.von Oertzen Gas-like state of α clusters around a 16O core in 24Mg NUCLEAR STRUCTURE 24Mg; calculated energies and energy convergence of 0+ states with basis states for 16O+α+α configurations, strength distribution of the isoscalar E0 transitions from the ground state, α-cluster states around 16O. Microscopic α-cluster model, and overlap with Tohsaki-Horiuchi-Schuck-Ropke (THSR) wave functions.
doi: 10.1103/PhysRevC.83.061301
2011IT05 Int.J.Mod.Phys. E20, 1012 (2011) N.Itagaki, Tz.Kokalova, W.von Oertzen, J.A.Maruhn Three-α cluster state around 40Ca core NUCLEAR STRUCTURE 40Ca; calculated energy convergence of three α clusters around 40Ca. THSR wave function, time-dependent HF theory.
doi: 10.1142/S0218301311019167
2011WH01 Phys.Rev. C 83, 064324 (2011) C.Wheldon, N.I.Ashwood, M.Barr, N.Curtis, M.Freer, Tz.Kokalova, J.D.Malcolm, S.J.Spencer, V.A.Ziman, Th.Faestermann, R.Krucken, H.-F.Wirth, R.Hertenberger, R.Lutter, A.Bergmaier High-resolution measurement of absolute α-decay widths in 16O NUCLEAR REACTIONS 12C(6Li, d)16O, E=42 MeV; measured deuteron and α spectra, (4He+12C)d-coin. 16O; deduced levels, α decay widths. Cluster structures in 16O.
doi: 10.1103/PhysRevC.83.064324
2010FR03 Nucl.Phys. A834, 621c (2010) M.Freer, H.Fujita, Z.Buthelezi, J.Carter, R.W.Fearick, S.V.Fortsch, R.Neveling, S.M.Perez, P.Papka, F.D.Smit, J.A.Swartz, I.Usman, P.J.Haigh, N.I.Ashwood, T.Bloxham, N.Curtis, P.McEwan, H.G.Bohlen, T.Dorsch, Tz.Kokalova, Ch.Schulz, C.Wheldon Cluster Structure of 12C and 11Be NUCLEAR REACTIONS 12C(p, p'), E=66 MeV; measured Ep, Ip(θ=10null, 16null, 28null). 9Be(16O, 14O), E=234 MeV; measured E(particle), I(particle). 11Be; deduced levels, J, π. 11Be, 12C calculated levels, J, π, rotational and vibrational bands assuming 2α+3n for 11Be and 3α for 12C.
doi: 10.1016/j.nuclphysa.2010.01.107
2010HA02 J.Phys.(London) G37, 035103 (2010) P.J.Haigh, M.Freer, N.I.Ashwood, T.Bloxham, N.Curtis, H.G.Bohlen, T.Dorsch, Tz.Kokalova, C.Wheldon, W.N.Catford, N.P.Patterson, J.S.Thomas Alpha decay widths of excited states of 16O NUCLEAR REACTIONS 12C(13C, 9Be), E=141 MeV; measured reaction fragments; deduced high-spin states in 16O, decay widths, precise values for the α-decay branching ratios from the high-spin states.
doi: 10.1088/0954-3899/37/3/035103
2010IT01 Phys.Rev. C 82, 014312 (2010) N.Itagaki, Tz.Kokalova, W.von Oertzen Three-α state around 40Ca NUCLEAR STRUCTURE 40Ca; calculated potential energy, coulomb energy, density distribution, basis states using microscopic α-cluster model for three-α states.
doi: 10.1103/PhysRevC.82.014312
2010VO04 Eur.Phys.J. A 43, 17 (2010) W.von Oertzen, T.Dorsch, H.G.Bohlen, R.Krucken, T.Faestermann, R.Hertenberger, Tz.Kokalova, M.Mahgoub, M.Milin, C.Wheldon, H.-F.Wirth Molecular and cluster structures in 18O NUCLEAR REACTIONS 12C(7Li, p), E=44 MeV; measured reaction products; deduced proton energy spectrum and 18O excitation energies, cluster, molecular and rotational bands, σ(θ), J, π, resonance widths.
doi: 10.1140/epja/i2009-10894-2
2010VO09 Eur.Phys.J. A 46, 345 (2010) W.von Oertzen, M.Milin, T.Dorsch, H.G.Bohlen, R.Krucken, T.Faestermann, R.Hertenberger, Tz.Kokalova, M.Mahgoub, C.Wheldon, H.-F.Wirth Shell model and band structures in 19O NUCLEAR REACTIONS 13C(7Li, p)19O, E=44 MeV; measured reaction products, proton spectra; deduced level scheme, J, π, rotational bands, cluster states. Comparison with OXBASH and Nilsson model calculations.
doi: 10.1140/epja/i2010-11060-7
2009BE34 Phys.Rev. C 80, 034604 (2009) C.Beck, P.Papka, A.Sanchez i Zafra, S.Thummerer, F.Azaiez, P.Bednarczyk, S.Courtin, D.Curien, O.Dorvaux, D.Lebhertz, A.Nourreddine, M.Rousseau, W.von Oertzen, B.Gebauer, C.Wheldon, Tz.Kokalova, G.de Angelis, A.Gadea, S.Lenzi, S.Szilner, D.R.Napoli, W.N.Catford, D.G.Jenkins, G.Royer Binary reaction decays from 24Mg+12C NUCLEAR REACTIONS 12C(24Mg, X), E=130 MeV; measured Eγ, Iγ, γγ-, (fragment)γ-coin using Binary Reaction Spectrometer (BRS) in coincidence with Euroball IV array. 24Mg, 20Ne, 16O; deduced levels, J, π, deformations. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.80.034604
2009HA01 Phys.Rev. C 79, 014302 (2009) P.J.Haigh, M.Freer, N.I.Ashwood, T.Bloxham, N.Curtis, P.McEwan, H.G.Bohlen, T.Dorsch, Tz.Kokalova, Ch.Schulz, C.Wheldon Neutron decay widths of excited states of 11Be NUCLEAR REACTIONS 9Be(16O, 14O), E=234 MeV; measured 14O spectra, 10Be-14O coin, energies and angles of 10Be fragments, branching ratios, widths, neutron energies, neutron decay of excited states of 11Be to 10Be. 10,11Be; deduced levels, J, π. R-matrix formalism.
doi: 10.1103/PhysRevC.79.014302
2009MI23 Eur.Phys.J. A 41, 335 (2009) M.Milin, V.V.Ostashko, D.Miljanic, H.G.Bohlen, A.Di Pietro, O.Yu.Goryunov, Tz.Kokalova, M.Lattuada, A.Musumarra, W.von Oertzen, M.G.Pellegriti, S.Romano, S.Thummerer, A.Tumino, M.Zadro States in 17O excited in the 13C + 9Be → 13C + 2α + n reaction at 90 MeV NUCLEAR REACTIONS 9Be(13C, α), E=90 MeV; measured Eα, Iα, E(13C), 13Cα-coin; deduced 17O excitation energy spectrum. 17O; deduced levels, J, π. Comparison with other data.
doi: 10.1140/epja/i2009-10827-1
2008BE38 Int.J.Mod.Phys. E17, 2049 (2008) C.Beck, A.Sanchez i zafra, P.Papka, S.Thummerer, F.Azaiez, P.Bednarczyk, S.Courtin, D.Curien, O.Dorvaux, D.Lebhertz, A.Nourreddine, J.Robin, M.Rousseau, W.Von Oertzen, B.Gebauer, Tz.Kokalova, C.Wheldon, G.De Angelis, A.Gadea, S.Lenzi, S.Szilner, D.R.Napoli, W.N.Catford, D.G.Jenkins, G.Royer Alpha-cluster states populated in 24Mg + 12C NUCLEAR REACTIONS 12C(24Mg, X)16O/20Ne, E=130 MeV; measured Eγ, Iγ, particle-γ-coin.; deduced energy levels, J, π, level scheme.
doi: 10.1142/S0218301308011070
2008BO37 Int.J.Mod.Phys. E17, 2067 (2008) H.G.Bohlen, W.Von Oertzen, Tz.Kokalova, Ch.Schulz, R.Kalpakchieva, T.N.Massey, M.Milin Band structures in 12Be: Experimental results NUCLEAR REACTIONS 14C(12C, 14O), 10Be(14N, 12N), 9Be(12C, 9C), (15N, 12N), E=231, 216, 231, 240 MeV; measured reaction products; deduced 12Be energy levels, J, π.
doi: 10.1142/S0218301308011100
2008HA27 Phys.Rev. C 78, 014319 (2008) P.J.Haigh, N.I.Ashwood, T.Bloxham, N.Curtis, M.Freer, P.McEwan, D.Price, V.Ziman, H.G.Bohlen, Tz.Kokalova, Ch.Schulz, R.Torabi, W.von Oertzen, C.Wheldon, W.Catford, C.Harlin, R.Kalpakchieva, T.N.Massey Measurement of α and neutron decay widths of excited states of 14C NUCLEAR REACTIONS 12C(16O, 14O), E=234 MeV; measured charged particle spectra. 14C; deduced levels, J, π, configurations, widths of excited states. 7Li(9Be, 14C);14C(13C, 14C), (14C, 14C); 9Be(7Li, d); 13C(polarized p, π+), (n, n); comparison of levels. RADIOACTIVITY 14C(n)(α); measured partial decay widths. 10Be, 13C; deduced levels, J, π, angular distributions, configurations. Comparison with model calculations.
doi: 10.1103/PhysRevC.78.014319
2008IT01 Phys.Rev. C 77, 037301 (2008) N.Itagaki, Tz.Kokalova, M.Ito, M.Kimura, W.von Oertzen Coupling between α-condensed states and normal cluster states NUCLEAR STRUCTURE 16O, 20Ne; calculated α-condensed states, energy convergence, wave functions using microscopic α-cluster model.
doi: 10.1103/PhysRevC.77.037301
2008IT06 Phys.Rev. C 78, 017306 (2008) N.Itagaki, M.Ito, K.Arai, S.Aoyama, Tz.Kokalova Mixing of di-neutron components in 8He NUCLEAR STRUCTURE 8He; calculated configurations, convergence of excited states, wave functions. Tohsaki-Horincki-Schuck-Ropke wave functions.
doi: 10.1103/PhysRevC.78.017306
2008VO07 Eur.Phys.J. A 36, 279 (2008) W.von Oertzen, B.Gebauer, G.Efimov, V.Zherebchevsky, Tz.Kokalova, S.Thummerer, Ch.Schulz, H.G.Bohlen, D.Kamanin, C.Beck, D.Curien, P.Papka, M.Rousseau, G.Royer, G.de Angelis Fission and ternary cluster decay of hyper-deformed 56Ni NUCLEAR REACTIONS 24Mg(32S, F), E=165.4 MeV; measured fission fragment energy, yields, (fragment)(fragment)-coin using Euroball-IV array; deduced reaction mechanism and ternary fission contribution using an extended Hauser-Feshbach method.
doi: 10.1140/epja/i2008-10592-7
2008WH02 Nucl.Phys. A811, 276 (2008) C.Wheldon, Tz.Kokalova, W.von Oertzen, B.Gebauer, H.G.Bohlen, Ch.Schulz, S.Thummerer, G.Efimov, C.Beck, D.Curien, P.Papka Particle-γ coincidences and coplanarity in the 32S + 24Mg binary reaction NUCLEAR REACTIONS 24Mg(32S, X), E=165.4 MeV; measured Eγ, Iγ, γγ-, (residue)γ-coin, reaction product yields; deduced reaction mechanism features and deformation. Doppler shift correction. Berlin binary reaction spectrometer and the Euroball IV array.
doi: 10.1016/j.nuclphysa.2008.08.006
2007BO10 Eur.Phys.J. A 31, 279 (2007) H.G.Bohlen, R.Kalpakchieva, W.von Oertzen, T.N.Massey, A.A.Ogloblin, G.de Angelis, M.Milin, Ch.Schulz, Tz.Kokalova, C.Wheldon Spectroscopy of 17C and (sd)3 structures in heavy carbon isotopes NUCLEAR REACTIONS 12,14C(12C, 9C), E=231 MeV; measured particle spectra, σ(E, θ). 15,17C deduced levels, J, π, configurations. NUCLEAR STRUCTURE 15,16,17C, 19O; calculated levels, J, π. Shell model.
doi: 10.1140/epja/i2006-10275-5
2007BO18 Phys.Rev. C 75, 054604 (2007) H.G.Bohlen, T.Dorsch, Tz.Kokalova, W.von Oertzen, Ch.Schulz, C.Wheldon Structure of 10Be from the 12C(12C, 14O)10Be reaction NUCLEAR REACTIONS 12C(12C, 14O), E=211.4 MeV; measured σ and angular distributions. Deduced level energies, J, π.
doi: 10.1103/PhysRevC.75.054604
2007BO27 Nucl.Phys. A787, 451c (2007) H.G.Bohlen, T.Dorsch, Tz.Kokalova, W.von Oertzen, Ch.Schulz, C.Wheldon New assignments for 10Be states from the 12C(12C, 14O)10Be reaction NUCLEAR REACTIONS 12C(12C, 14O), E=211.4 MeV; measured σ(θ, E). 10Be deduced levels, J, π. Coupled channel calculations.
doi: 10.1016/j.nuclphysa.2006.12.067
2006KO16 Phys.Rev.Lett. 96, 192502 (2006) Tz.Kokalova, N.Itagaki, W.von Oertzen, C.Wheldon Signatures for Multi-α-Condensed States NUCLEAR STRUCTURE 52Fe; calculated folded potential for α-cluster and sequential α emission from excited nucleus. NUCLEAR REACTIONS 24Mg(28Si, X), E=130 MeV; calculated folded potential for α-cluster and sequential α emission from excited compound nucleus.
doi: 10.1103/PhysRevLett.96.192502
2006OS06 Iader.Fiz.Enerh. 7 no.2, 34 (2006) V.Ostashko, M.Lattuada, M.Milin, O.Goryunov, A.Di Pietro, D.Miljanic, M.Zadro, A.Musumara, M.-G.Pellegriti, S.Romano, S.Tudisco, A.Tumino, P.Figuera, H.Bohlen, W.von Oertzen, T.Kokalova, S.Shumerer Cluster structure of 9Be from many-particles reactions NUCLEAR REACTIONS 9Be(13C, α), (13C, 2α), E=89.45 MeV; measured reaction products, Eα, Iα, particleα-coin. 9Be; deduced resonance energies, possible J, π, cluster structure - α-5He and n-8Be of 9nuclei.
doi: 10.15407/jnpae
2005BO39 J.Phys.(London) G31, S1461 (2005) H.G.Bohlen, R.Kalpakchieva, W.von Oertzen, T.N.Massey, A.A.Ogloblin, G.de Angelis, Ch.Schulz, Tz.Kokalova, C.Wheldon Structure studies of excited states of 17C and 16C NUCLEAR REACTIONS 13,14C(12C, 9C), E=231 MeV; measured excitation energy spectra. 16,17C deduced levels, J, π, configurations.
doi: 10.1088/0954-3899/31/10/014
2005KE08 J.Phys.(London) G31, S1903 (2005) K.L.Keyes, A.Papenberg, R.Chapman, J.Ollier, X.Liang, M.J.Burns, M.Labiche, K.M.Spohr, N.Amzal, C.Beck, P.Bednarczyk, F.Haas, G.Duchene, P.Papka, B.Gebauer, T.Kokalova, S.Thummerer, W.von Oertzen, C.Wheldon Spectroscopy of Ne, Na and Mg isotopes approaching the Island of Inversion NUCLEAR REACTIONS 150Nd(26Ne, X)22Ne/23Na/28Mg, E=160 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. 22Ne, 23Na, 28Mg deduced levels, J, π. Euroball IV array, fragment separator.
doi: 10.1088/0954-3899/31/10/098
2005KE11 Eur.Phys.J. A 25, Supplement 1, 431 (2005) K.L.Keyes, A.Papenberg, R.Chapman, J.Ollier, X.Liang, M.J.Burns, M.Labiche, K.-M.Spohr, N.Amzal, C.Beck, P.Bednarczyk, F.Haas, G.Duchene, P.Papka, B.Gebauer, T.Kokalova, S.Thummerer, W.von Oertzen, C.Wheldon Spectroscopy of Ne and Na isotopes: Preliminary results from a EUROBALL + Binary Reaction Spectrometer experiment NUCLEAR REACTIONS 150Nd(26Mg, X), E=160 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. 22Ne, 23Na deduced levels, J, π. Euroball IV array, binary reaction spectrometer.
doi: 10.1140/epjad/i2005-06-155-4
2005KO01 Eur.Phys.J. A 23, 19 (2005) Tz.Kokalova, W.von Oertzen, S.Torilov, S.Thummerer, M.Milin, A.Tumino, G.de Angelis, E.Farnea, A.Gadea, D.R.Napoli, Th.Kroll, N.Marginean, T.Martinez, M.Axiotis, S.M.Lenzi, C.Ur, P.Papka, M.Rousseau Emission of unbound 8Be and 12C* (0+2) clusters in compound nucleus reactions NUCLEAR REACTIONS 13C(18O, 8Be), (18O, 2α), E=100 MeV; 24Mg(28Si, 12C), (28Si, 3α), E=130 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin; deduced cluster emission features. GASP, ISIS arrays.
doi: 10.1140/epja/i2004-10071-3
2005MC12 J.Phys.(London) G31, S1921 (2005) P.McEwan, M.Freer, N.Ashwood, N.Curtis, D.Price, V.Ziman, H.G.Bohlen, Tz.Kokalova, Ch.Schulz, R.Torabi, W.von Oertzen, C.Wheldon, T.N.Massey, R.Kalpakchieva, W.Catford Investigation into the structure of 14C using recoil co-incidence techniques NUCLEAR REACTIONS 12C(16O, 14O), E not given; measured excitation energy spectra. 14C deduced decay branch widths.
doi: 10.1088/0954-3899/31/10/102
2005WH05 Eur.Phys.J. A 26, 321 (2005) C.Wheldon, Tz.Kokalova, W.von Oertzen, S.Thummerer, H.G.Bohlen, B.Gebauer, A.Tumino, T.N.Massey, G.de Angelis, M.Axiotis, A.Gadea, Th.Kroll, N.Marginean, D.R.Napoli, M.De Poli, C.Ur, D.Bazzacco, S.M.Lenzi, C.Rossi Alvarez, S.Lunardi, R.Menegazzo, P.G.Bizzeti, A.M.Bizzeti-Sona Octupole-deformed molecular bands in 21Ne NUCLEAR REACTIONS 16O(7Li, np), E=29.4 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 21Ne deduced levels, J, π, configurations, dipole moment. GASP, ISIS arrays.
doi: 10.1140/epja/i2005-10186-y
2004BE18 Nucl.Phys. A734, 453 (2004) C.Beck, A.Sanchez i Zafra, F.Haas, P.Papka, V.Rauch, M.Rousseau, F.Azaiez, P.Bednarczyk, D.Curien, O.Dorvaux, A.Nourreddine, J.Robin, W.von Oertzen, B.Gebauer, Ts.Kokalova, S.Thummerer, G.De Angelis, A.Gadea, S.Lenzi, D.R.Napoli, S.Szilner, W.N.Catford, D.Jenkins Search for 12C + 12C molecule in 24Mg* populated by 24Mg + 12C NUCLEAR REACTIONS 12C(24Mg, 12C), E=130 MeV; measured Eγ, Iγ, (particle)γ-coin. 24Mg deduced transitions. Euroball IV array, binary reaction spectrometer.
doi: 10.1016/j.nuclphysa.2004.01.084
2004BO12 Nucl.Phys. A734, 345 (2004) H.G.Bohlen, R.Kalpakchieva, W.von Oertzen, T.N.Massey, B.Gebauer, S.M.Grimes, T.Kokalova, A.Lenz, M.Milin, Ch.Schulz, S.Thummerer, S.Torilov, A.Tumino Particle-hole structures of neutron-rich Be- and C-isotopes NUCLEAR REACTIONS 9Be(16O, 14O), E=233.5 MeV; 13C(12C, 14O), E not given; 13C(12C, 9C), E=230.7 MeV; measured σ(E, θ). 11Be, 16C deduced levels, J, π, configurations.
doi: 10.1016/j.nuclphysa.2004.01.063
2004BO23 Nucl.Phys. A738, 333 (2004) H.G.Bohlen, R.Kalpakchieva, W.von Oertzen, T.N.Massey, B.Gebauer, T.Kokalova, A.A.Ogloblin, Ch.Schulz, S.Thummerer Structure of neutron-rich Beryllium and Carbon isotopes NUCLEAR REACTIONS 9Be, 13,14C(12C, 9C), E=231 MeV; measured excitation energy spectra. 12Be, 16,17C deduced levels, J, π.
doi: 10.1016/j.nuclphysa.2004.04.056
2004TO07 Eur.Phys.J. A 19, 307 (2004) S.Torilov, S.Thummerer, W.von Oertzen, Tz.Kokalova, G.de Angelis, H.G.Bohlen, A.Tumino, M.Axiotis, E.Farnea, N.Marginean, T.Martinez, D.R.Napoli, M.De Poli, S.M.Lenzi, C.Ur, M.Rousseau, P.Papka Spectroscopy of 40Ca and negative-parity bands NUCLEAR REACTIONS 24Mg(28Si, 3α), E=139 MeV; measured Eγ, Iγ, γγ-, αγ-coin. 40Ca deduced levels, J, π, rotational bands, configurations. GASP, ISIS arrays. Level systematics in neighboring nuclides discussed.
doi: 10.1140/epja/i2003-10126-y
2004VO10 Eur.Phys.J. A 21, 193 (2004) W.von Oertzen, H.G.Bohlen, M.Milin, Tz.Kokalova, S.Thummerer, A.Tumino, R.Kalpakchieva, T.N.Massey, Y.Eisermann, G.Graw, T.Faestermann, R.Hertenberger, H.-F.Wirth Search for cluster structure of excited states in 14C NUCLEAR REACTIONS 12C(16O, 14O), (14N, 12N), (15N, 13N), E ≈ 15 MeV/nucleon; 16O(15N, 17N), E=16 MeV/nucleon; 8Be(7Li, d), E=44 MeV; measured particle spectra. 14C deduced levels, J, π, configurations, deformation, rotational bands, α-cluster features. Other data analyzed.
doi: 10.1140/epja/i2003-10188-9
2003BO24 Yad.Fiz. 66, 1539 (2003); Phys.Atomic Nuclei 66, 1494 (2003) H.G.Bohlen, W.von Oertzen, R.Kalpakchieva, B.Gebauer, S.M.Grimes, A.Lenz, T.N.Massey, M.Milin, Ch.Schulz, Tz.Kokalova, S.Torilov, S.Thummerer Structure of Neutron-Rich Be and C Isotopes NUCLEAR REACTIONS 9,10Be(14N, 13N), E=217.9 MeV; 9Be(13C, 11C), E=379 MeV; 9Be(15N, 12N), E=240 MeV; 10Be(14N, 12N), E=216 MeV; 12,13C(12C, 9C), E=230.7 MeV; measured excitation energy spectra. 9Be(16O, 14O), E=233.5 MeV; 13C(12C, 14O), E=230.7 MeV; measured σ(θ). 10,11,12Be deduced levels, J, π, configurations, rotational bands. 15,16C deduced level energies, widths, configurations.
doi: 10.1134/1.1601755
2003BO38 Nucl.Phys. A722, 3c (2003) H.G.Bohlen, R.Kalpakchieva, W.von Oertzen, T.N.Massey, B.Gebauer, S.M.Grimes, T.Kokalova, H.Lenske, A.Lenz, M.Milin, Ch.Schulz, S.Thummerer, S.Torilov, A.Tumino Structure studies of neutron-rich Beryllium and Carbon isotopes NUCLEAR REACTIONS 9Be(14N, 13N), E=217.9 MeV; 9Be(15N, 12N), E=240 MeV; 9Be(13C, 11C), E=379 MeV; 13C(12C, 9C), E=230.7 MeV; measured particle spectra, σ(E, θ). 10,11,12Be, 16C; deduced levels, J, π.
doi: 10.1016/S0375-9474(03)01327-7
2003BO41 Phys.Rev. C 68, 054606 (2003) H.G.Bohlen, R.Kalpakchieva, B.Gebauer, S.M.Grimes, H.Lenske, K.P.Lieb, T.N.Massey, M.Milin, W.von Oertzen, Ch.Schulz, T.Kokalova, S.Torilov, S.Thummerer Spectroscopy of particle-hole states of 16C NUCLEAR REACTIONS 12,13C(12C, 9C), E=230.7 MeV; measured particle spectra, σ(θ). 15,16C deduced levels, J, π, configurations.
doi: 10.1103/PhysRevC.68.054606
2003BO50 Acta Phys.Hung.N.S. 18, 179 (2003) H.G.Bohlen, W.von Oertzen, R.Kalpakchieva, B.Gebauer, S.M.Grimes, T.N.Massey, H.Lenske, A.Lenz, M.Milin, Ch.Schulz, T.Kokalova, S.Torilov, S.Thummerer Structure Studies of Neutron-Rich Beryllium and Carbon Isotopes NUCLEAR REACTIONS 9Be(13C, 11C), E=379 MeV; 9Be(14N, 13N), E=217.9 MeV; 9Be(15N, 12N), E=240 MeV; measured particle spectra. 10,11,12Be deduced rotational bands. 9Be(16O, 14O), E=233.5 MeV; 13C(12C, 14O), E=230.7 MeV; measured σ(E, θ). 11Be deduced levels, J, π. 13C(12C, 9C), E=230.7 MeV; measured particle spectra. 16C deduced levels. Quasiparticle RPA calculations.
doi: 10.1556/APH.18.2003.2-4.10
2003TH01 J.Phys.(London) G29, 509 (2003) S.Thummerer, W.von Oertzen, Tz.Kokalova, H.G.Bohlen, B.Gebauer, A.Tumino, T.N.Massey, G.de Angelis, M.Axiotis, A.Gadea, Th.Kroll, N.Marginean, D.R.Napoli, M.De Poli, C.Ur, D.Bazzacco, S.M.Lenzi, C.R.Alvarez, S.Lunardi, R.Menegazzo, P.G.Bizzeti, A.M.Bizzeti-Sona Gamma-decay study of 21Na and 21Ne, octupole bands in 21Ne NUCLEAR REACTIONS 16O(7Li, 2n), (7Li, np), E=27 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 21Ne, 21Na deduced levels, J, π, configurations, Coulomb energy differences. GASP, ISIS arrays.
doi: 10.1088/0954-3899/29/3/305
2003TH04 Yad.Fiz. 66, 1474 (2003); Phys.Atomic Nuclei 66, 1428 (2003) S.Thummerer, W.von Oertzen, Tz.Kokalova, H.G.Bohlen, B.Gebauer, A.Tumino, T.N.Massey, G.de Angelis, M.Axiotis, A.Gadea, Th.Kroll, N.Marginean, D.R.Napoli, M.De Poli, C.Ur, D.Bazzacco, S.M.Lenzi, C.Rossi Alvarez, S.Lunardi, R.Menegazzo, P.G.Bizzeti, A.M.Bizzeti-Sona A Study of γ Decays and Octupole Bands in 21Ne and 21Na NUCLEAR REACTIONS 16O(7Li, 2n), (7Li, np), E=27 MeV; measured Eγ, Iγ, γγ-coin. 21Ne, 21Na deduced levels, J, π, rotational bands. GASP array.
doi: 10.1134/1.1601745
2000GA35 Eur.Phys.J. D 11, 341 (2000) Yu.P.Gangrsky, D.Karaivanov, B.M.Markov, S.G.Zemlyanoi, Tz.T.Kokalova, K.P.Marinova, E.Stachowska, J.Dembczynski, J.Ruczkowski, B.Arcimowicz Hyperfine Splitting and Isotope Shift in the Optical Transition 4f76s2 8S7/2 → 4f76s6p 6P5/2 of 151, 153, 155Eu Isotopes and Electromagnetic Moments of 155Eu NUCLEAR MOMENTS 151,153,155Eu; measured hfs, isotope shifts. Laser-induced resonance fluorescence.
doi: 10.1007/s100530070061
1999GA36 Acta Phys.Pol. B30, 1415 (1999) Yu.P.Gangrsky, D.Karaivanov, B.N.Markov, S.Zemlyanoy, Tz.Kokalova, K.Marinova, E.Stachowska, J.Dembczynski, J.Ruczkowski, B.Arcimowicz Hyperfine Structure Investigation of the 4f76s2 8S7/2 and 4f76s6p 6P5/2 States of Unstable Europium Isotope 155Eu NUCLEAR MOMENTS 155Eu; measured hyperfine spectrum; deduced μ, quadrupole moment. High resolution laser spectroscopy.
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