NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = C.Forssen Found 74 matches. 2023KO15 Nature(London) 620, 965 (2023) Y.Kondo, N.L.Achouri, H.Al Falou, L.Atar, T.Aumann, H.Baba, K.Boretzky, C.Caesar, D.Calvet, H.Chae, N.Chiga, A.Corsi, F.Delaunay, A.Delbart, Q.Deshayes, Zs.Dombradi, C.A.Douma, A.Ekstrom, Z.Elekes, C.Forssen, I.Gasparic, J.-M.Gheller, J.Gibelin, A.Gillibert, G.Hagen, M.N.Harakeh, A.Hirayama, C.R.Hoffman, M.Holl, A.Horvat, A.Horvath, J.W.Hwang, T.Isobe, W.G.Jiang, J.Kahlbow, N.Kalantar-Nayestanaki, S.Kawase, S.Kim, K.Kisamori, T.Kobayashi, D.Korper, S.Koyama, I.Kuti, V.Lapoux, S.Lindberg, F.M.Marques, S.Masuoka, J.Mayer, K.Miki, T.Murakami, M.Najafi, T.Nakamura, K.Nakano, N.Nakatsuka, T.Nilsson, A.Obertelli, K.Ogata, F.de Oliveira Santos, N.A.Orr, H.Otsu, T.Otsuka, T.Ozaki, V.Panin, T.Papenbrock, S.Paschalis, A.Revel, D.Rossi, A.T.Saito, T.Y.Saito, M.Sasano, H.Sato, Y.Satou, H.Scheit, F.Schindler, P.Schrock, M.Shikata, N.Shimizu, Y.Shimizu, H.Simon, D.Sohler, O.Sorlin, L.Stuhl, Z.H.Sun, S.Takeuchi, M.Tanaka, M.Thoennessen, H.Tornqvist, Y.Togano, T.Tomai, J.Tscheuschner, J.Tsubota, N.Tsunoda, T.Uesaka, Y.Utsuno, I.Vernon, H.Wang, Z.Yang, M.Yasuda, K.Yoneda, S.Yoshida First observation of 28O NUCLEAR REACTIONS H(29F, X)27O/28O, E=235 MeV/nucleon; measured reaction products; deduced yields. The hydrogen target was surrounded by the MINOS Time Projection Chamber, SAMURAI spectrometer, RIKEN RI Beam Factory. RADIOACTIVITY 28O(4n), 27O(3n); measured decay products, En, In; deduced decay energy spectra and schemes from the measured momenta using the invariant-mass technique, resonance parameters. Comparison with the large-scale shell-model calculations using the new chiral effective field theory (EEdf3) interaction.
doi: 10.1038/s41586-023-06352-6
2023MI02 Phys.Rev. C 107, 014002 (2023) S.B.S.Miller, A.Ekstrom, C.Forssen Posterior predictive distributions of neutron-deuteron cross sections NUCLEAR REACTIONS 2H(n, X), E=10, 12, 35, 36, 65, 67 MeV; calculated posterior predictive distribution (PPD) for for σ(θ), PPD of the nd neutron analyzing power. PPD quantified using NN interactions from chiral effective field theory up to and including next-to-next-to-next-to-leading order (N3LO). Comparison to experimental data.
doi: 10.1103/PhysRevC.107.014002
2023SV01 Phys.Rev. C 107, 014001 (2023) I.Svensson, A.Ekstrom, C.Forssen Bayesian estimation of the low-energy constants up to fourth order in the nucleon-nucleon sector of chiral effective field theory NUCLEAR STRUCTURE 2,3H, 3,4He; calculated ground-state energy, point-proton radii. 2H; calculated electric quadrupole moment, D-state probability. Bayesian methods and Hamiltonian Monte Carlo (HMC) sampling used to infer the posterior probability density function (PDF) for the low-energy constants (LECs) up to next-to-next-to-next-to-leading order (N3LO) in a chiral effective field theory description of the nucleon-nucleon interaction. Comparison to empirical estimations and experimental results. NUCLEAR REACTIONS 1H(p, p), (n, p), E<290 MeV; calculated np and pp scattering lengths and effective ranges.
doi: 10.1103/PhysRevC.107.014001
2023TH06 Phys.Rev. C 108, 054002 (2023) O.Thim, E.May, A.Ekstrom, C.Forssen Bayesian analysis of chiral effective field theory at leading order in a modified Weinberg power counting approach
doi: 10.1103/PhysRevC.108.054002
2023YA29 Eur.Phys.J. A 59, 233 (2023) C.-J.Yang, A.Ekstrom, C.Forssen, G.Hagen, G.Rupak, U.van Kolck The importance of few-nucleon forces in chiral effective field theory NUCLEAR STRUCTURE 3H, 4He, 16O, 40Ca; calculated binding energy per nucleon with NN-only and NN+NNN interactions at leading order (LO) with coupled-cluster model of the equation of state for symmetric nuclear matter; deduced LO four-nucleon forces could play a crucial role for describing heavy-mass nuclei.
doi: 10.1140/epja/s10050-023-01149-7
2022DJ01 Phys.Rev. C 105, 014005 (2022) T.Djarv, A.Ekstrom, C.Forssen, H.T.Johansson Bayesian predictions for A=6 nuclei using eigenvector continuation emulators NUCLEAR STRUCTURE 3H, 3He; calculated binding energies. 4He, 6Li, 6He; calculated binding energies using LO, NLO, and N2LO Hamiltonians with and without the three-nucleon force (3NF), full posterior predictive distribution (PPD) for binding energies. 6Li, 6He; calculated S(deuteron) for 6Li, S(2n) for 6He, and Q(β-) for 6He g.s. Ab initio methods based on two- and three-nucleon interactions up to next-to-next-to-leading order in chiral effective field theory (χEFT), with Bayesian methods to quantify uncertainties from the many-body method, the χEFT truncation, and the low-energy constants of the nuclear interaction, and using JUPITERNCSM code a new M-scheme no-core shell model code. Comparison with available experimental data.
doi: 10.1103/PhysRevC.105.014005
2022GA29 Phys.Rev. C 106, 054001 (2022) Nuclear physics uncertainties in light hypernuclei NUCLEAR STRUCTURE 3,4H, 4,5He; calculated separation energies for ground and excited states of light hypernuclei, discrete kinetic energy spectra. Bayesian approach to study of nuclear interaction model uncertainties in hypernuclear observables with 42 realistic nuclear Hamiltonians. Ab initio Jacobi-coordinate no-core shell model (Y-NCSM) with realistic interactions obtained from chiral effective field theory.
doi: 10.1103/PhysRevC.106.054001
2022GL03 Phys.Lett. B 832, 137224 (2022) A.Glick-Magid, C.Forssen, D.Gazda, D.Gazit, P.Gysbers, P.Navratil Nuclear ab initio calculations of 6He β-decay for beyond the Standard Model studies RADIOACTIVITY 6He(β-); calculated the nuclear structure corrections using the impulse approximation together with wave functions calculated using the ab initio no-core shell model with potentials based on chiral effective field theory; deduced significant deviation from the naive Gamow-Teller predictions.
doi: 10.1016/j.physletb.2022.137259
2022HU13 Nat.Phys. 610, 1196 (2022) B.Hu, W.Jiang, T.Miyagi, Z.Sun, A.Ekstrom, C.Forssen, G.Hagen, J.D.Holt, T.Papenbrock, S.R.Stroberg, I.Vernon Ab initio predictions link the neutron skin of 208Pb to nuclear forces NUCLEAR STRUCTURE 208Pb; analyzed available data; calculated neutron skin using Ab initio, bulk properties.
doi: 10.1038/s41567-022-01715-8
2022SV01 Phys.Rev. C 105, 014004 (2022) I.Svensson, A.Ekstrom, C.Forssen Bayesian parameter estimation in chiral effective field theory using the Hamiltonian Monte Carlo method
doi: 10.1103/PhysRevC.105.014004
2021DJ02 Phys.Rev. C 104, 024324 (2021) T.Djarv, A.Ekstrom, C.Forssen, G.R.Jansen Normal-ordering approximations and translational (non)invariance NUCLEAR STRUCTURE 4He, 16O; calculated center-of-mass (CM) excitation metrics and harmonic oscillator (HO) frequencies, ground-state energies per nucleon, eigenstates, point-proton radii. Single-reference normal-ordering two-body (SR-NO2B) approximation approach to potentially incorporate dominant three-nucleon force (3NF) as an effective two-nucleon force (2NF) in the framework of full no-core shell-model (NCSM) calculations, with and without three-nucleon forces.
doi: 10.1103/PhysRevC.104.024324
2021KO08 Nat.Phys. 17, 439 (2021), Erratum Nat.Phys. 17, 539 (2021) A.Koszorus, X.F.Yang, W.G.Jiang, S.J.Novario, S.W.Bai, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, B.S.Cooper, R.P.de Groote, A.Ekstrom, K.T.Flanagan, C.Forssen, S.Franchoo, R.F.Garcia Ruiz, F.P.Gustafsson, G.Hagen, G.R.Jansen, A.Kanellakopoulos, M.Kortelainen, W.Nazarewicz, G.Neyens, T.Papenbrock, P.-G.Reinhard, C.M.Ricketts, B.K.Sahoo, A.R.Vernon, S.G.Wilkins Charge radii of exotic potassium isotopes challenge nuclear theory and the magic character of N = 32 NUCLEAR MOMENTS 36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52K; measured frequencies; deduced hyperfine structure spectra, charge radii, new magic numbers. Comparison with NNLO, HFB calculations.
doi: 10.1038/s41567-020-01136-5
2021WE14 Phys.Rev. C 104, 064001 (2021) S.Wesolowski, I.Svensson, A.Ekstrom, C.Forssen, R.J.Furnstahl, J.A.Melendez, D.R.Phillips Rigorous constraints on three-nucleon forces in chiral effective field theory from fast and accurate calculations of few-body observables NUCLEAR STRUCTURE 3H, 4He; calculated binding energies, rms point-proton radius of 4He, T1/2 of 3H β decay in the LO, NLO, and NNLO orders using three-nucleon force (3NF) of chiral effective field theory (χEFT), and compared with experimental values; evaluated Bayesian statistical methods for effective field theories of nuclei by using eigenvector continuation (EC) emulator.
doi: 10.1103/PhysRevC.104.064001
2021YA13 Phys.Rev. C 103, 054304 (2021) C.-J.Yang, A.Ekstrom, C.Forssen, G.Hagen Power counting in chiral effective field theory and nuclear binding NUCLEAR STRUCTURE 3H, 3,4He, 6Li, 16O; calculated ground-state energies and point-proton radii from ab initio no-core shell model (NCSM) and coupled-channel (CC) calculations at LO and NLO in χEFT using several power-counting (PC) schemes which all exhibit renormalization-group (RG)-invariance, and analysis of nucleon-nucleon scattering phase shifts. Comparison with experimental data.
doi: 10.1103/PhysRevC.103.054304
2020JI11 Phys.Rev. C 102, 054301 (2020) W.G.Jiang, A.Ekstrom, C.Forssen, G.Hagen, G.R.Jansen, T.Papenbrock Accurate bulk properties of nuclei from A = 20 to ∞ from potentials with Δ isobars NUCLEAR STRUCTURE 2,3H, 3,4He, 16,22,24O, 40,48,50,52,54,56,58,60Ca, 78Ni, 90Zr, 100,132Sn; calculated binding energies, and charge radii for Ca isotopes, quadrupole moment for 2H, first 3- state of 16O, and first 2+ states of 22O, 24O and 48Ca. Coupled-cluster calculations with ΔNNLOGO interactions optimized from chiral effective field theory. Comparison with experimental data. Computed neutron-proton and proton-proton phase shifts for the contact and selected peripheral partial waves with the ΔNLOGO and ΔNNLOGO potentials.
doi: 10.1103/PhysRevC.102.054301
2020RY02 Eur.Phys.J. A 56, 7 (2020) E.Ryberg, C.Forssen, D.R.Phillips, U.van Kolck Finite-size effects in heavy halo nuclei from effective field theory
doi: 10.1140/epja/s10050-019-00001-1
2019EK01 J.Phys.(London) G46, 095101 (2019) A.Ekstrom, C.Forssen, C.Dimitrakakis, D.Dubhashi, H.T.Johansson, A.S.Muhammad, H.Salomonsson, A.Schliep Bayesian optimization in ab initio nuclear physics
doi: 10.1088/1361-6471/ab2b14
2018FO05 Phys.Rev. C 97, 034328 (2018) C.Forssen, B.D.Carlsson, H.T.Johansson, D.Saaf, A.Bansal, G.Hagen, T.Papenbrock Large-scale exact diagonalizations reveal low-momentum scales of nuclei NUCLEAR STRUCTURE 6Li, 3H, 3,4,6,8He, 16O; calculated extrapolated ground-state energy and point-proton radii, infrared (IR) extrapolations with the NNLOopt NN interaction. No-core shell model (NCSM) calculations with the coupled-cluster method at several fixed ultraviolet (UV) cutoffs using pANTOINE code; deduced small-momentum scale of finite nuclei.
doi: 10.1103/PhysRevC.97.034328
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
2016HA27 Nat.Phys. 12, 186 (2016) G.Hagen, A.Ekstrom, C.Forssen, G.R.Jansen, W.Nazarewicz, T.Papenbrock, K.A.Wendt, S.Bacca, N.Barnea, B.Carlsson, C.Drischler, K.Hebeler, M.Hjorth-Jensen, M.Miorelli, G.Orlandini, A.Schwenk, J.Simonis Neutron and weak-charge distributions of the 48Ca nucleus NUCLEAR STRUCTURE 48Ca; calculated neutron skin parameters, radii. Ab initio calculations.
doi: 10.1038/nphys3529
2016RY01 Ann.Phys.(New York) 367, 13 (2016) E.Ryberg, C.Forssen, H.-W.Hammer, L.Platter Range corrections in proton halo nuclei NUCLEAR REACTIONS 16O(p, X)17F, E<2.3 MeV; calculated S-factor, charge radii. Comparison with experimental data.
doi: 10.1016/j.aop.2016.01.008
2015EK01 Phys.Rev. C 91, 051301 (2015) A.Ekstrom, G.R.Jansen, K.A.Wendt, G.Hagen, T.Papenbrock, B.D.Carlsson, C.Forssen, M.Hjorth-Jensen, P.Navratil, W.Nazarewicz Accurate nuclear radii and binding energies from a chiral interaction NUCLEAR STRUCTURE 2H, 4,8He, 6,9Li, 14C, 16O, 40Ca; calculated ground-state energies, charge radii, quadrupole moment for deuteron. 6Li, 14C, 16O, 22,24F, 22,24O, 40Ca; calculated levels, J, π, charge density in 16O, scattering lengths, and effective ranges in low-energy proton-proton scattering, scattering phase shifts in low-energy neutron-proton scattering, half-life for the β- decay of 3H; deduced consistently optimized interaction from chiral EFT at NNLO for nuclei and infinite nuclear matter. Coupled-cluster calculations based on chiral effective field theory interaction (NNLOsat). Comparison with experimental data.
doi: 10.1103/PhysRevC.91.051301
2015WE05 Phys.Rev. C 91, 061301 (2015) K.A.Wendt, C.Forssen, T.Papenbrock, D.Saaf Infrared length scale and extrapolations for the no-core shell model NUCLEAR STRUCTURE 4,6He, 6,7Li, 10B, 16O; calculated infrared (IR) length scale, Ground-state energy as a function of the IR scale, binding energy per particle. Large-scale no-core shell model (NCSM) with Dirichlet boundary condition. Comparison with Benchmark results from coupled-cluster calculations for 16O.
doi: 10.1103/PhysRevC.91.061301
2014KI07 Int.J.Mod.Phys. E23, 1461004 (2014) Y.Kim, I.J.Shin, P.Maris, J.P.Vary, C.Forssen, J.Rotureau Ab initio no core full configuration approach for light nuclei
doi: 10.1142/S0218301314610047
2014MA26 Acta Phys.Pol. B45, 229 (2014) J.Marganiec, F.Wamers, F.Aksouh, Y.Aksyutina, H.Alvarez-Pol, T.Aumann, S.Beceiro, C.Bertulani, K.Boretzky, M.J.G.Borge, M.Chartier, A.Chatillon, L.Chulkov, D.Cortina-Gil, I.Egorova, H.Emling, O.Ershova, C.Forssen, L.M.Fraile, H.Fynbo, D.Galaviz, H.Geissel, L.Grigorenko, M.Heil, D.H.H.Hoffmann, J.Hoffmann, H.Johansson, B.Jonson, M.Karakoc, C.Karagiannis, O.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, K.Larsson, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, G.Nyman, W.Ott, V.Panin, Yu.Parfenova, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, K.Riisager, C.Rodriguez-Tajes, D.Rossi, G.Schrieder, N.Shulgina, H.Simon, J.Stroth, K.Summerer, J.Taylor, O.Tengblad, E.Tengborn, H.Weick, M.Wiescher, C.Wimmer, M.Zhukov Study of the 15O(2p, γ)17Ne Cross Section by Coulomb Dissociation of 17Ne for the rp Process of Nucleosynthesis NUCLEAR REACTIONS Pb(17Ne, 2p)15O, E=500 MeV/nucleon; measured reaction products, Eγ, Iγ, Ep, Ip; deduced σ, σ(E), resonances. Comparison with theoretical calculations, R3BROOT package.
doi: 10.5506/APhysPolB.45.229
2014RY03 Phys.Rev. C 89, 014325 (2014) E.Ryberg, C.Forssen, H.-W.Hammer, L.Platter Effective field theory for proton halo nuclei NUCLEAR REACTIONS 16O(p, γ)17F*, E(cm)=0-2000 keV; calculated charge form factor, radiative proton capture cross section, charge radius, astrophysical S factor for excited 1/2+ state in 17F using leading order halo effective field theory (LO halo EFT); comparison with experimental data and other theoretical calculation.
doi: 10.1103/PhysRevC.89.014325
2014RY06 Eur.Phys.J. A 50, 170 (2014) E.Ryberg, C.Forssen, H.-W.Hammer, L.Platter Constraining low-energy proton capture on beryllium-7 through charge radius measurements NUCLEAR REACTIONS 7Be(p, γ), E(cm)=0-500 keV. 8B calculated charge radius, reaction S-factor using leading-order effective field theory. Compared with reaction data. NUCLEAR STRUCTURE 8B; calculated S-factor vs charge radius; deduced threshold S-factor using charge radius data.
doi: 10.1140/epja/i2014-14170-2
2014SA09 Phys.Rev. C 89, 011303 (2014) Microscopic description of translationally invariant core + N + N overlap functions NUCLEAR STRUCTURE 6He; calculated binding energy, S(2n), point-proton radius, contour plots of the translationally invariant three-body channel form factor; investigated clustering of 6He Borromean nucleus in 4He+n+n system. Large-scale ab initio no-core shell model (NCSM) calculations with realistic nuclear interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.011303
2013EK01 Phys.Rev.Lett. 110, 192502 (2013) A.Ekstrom, G.Baardsen, C.Forssen, G.Hagen, M.Hjorth-Jensen, G.R.Jansen, R.Machleidt, W.Nazarewicz, T.Papenbrock, J.Sarich, S.M.Wild Optimized Chiral Nucleon-Nucleon Interaction at Next-to-Next-to-Leading Order NUCLEAR STRUCTURE 3H, 3,4He, 10B, 17,22,24O, 40,48,50,52,54,56Ca; calculated energy of the first 2+ state, energy per nucleon for neutron matter, phase shifts. The nucleon-nucleon interaction from chiral effective field theory at next-to-next-to-leading order (NNLO).
doi: 10.1103/PhysRevLett.110.192502
2013FO06 Phys.Scr. T152, 014022 (2013) C.Forssen, G.Hagen, M.Hjorth-Jensen, W.Nazarewicz, J.Rotureau Living on the edge of stability, the limits of the nuclear landscape
doi: 10.1088/0031-8949/2013/T152/014022
2013FO11 J.Phys.(London) G40, 055105 (2013) Systematics of 2+ states in C isotopes from the no-core shell model NUCLEAR STRUCTURE 10,12,14,16,18,20C; calculated B(E2), electric quadrupole moments, excitation energies. NCSM calculations, comparison with available data.
doi: 10.1088/0954-3899/40/5/055105
2012OR05 Phys.Rev. C 86, 041303 (2012) J.N.Orce, T.E.Drake, M.K.Djongolov, P.Navratil, S.Triambak, G.C.Ball, H.Al Falou, R.Churchman, D.S.Cross, P.Finlay, C.Forssen, A.B.Garnsworthy, P.E.Garrett, G.Hackman, A.B.Hayes, R.Kshetri, J.Lassen, K.G.Leach, R.Li, J.Meissner, C.J.Pearson, E.T.Rand, F.Sarazin, S.K.L.Sjue, M.A.Stoyer, C.S.Sumithrarachchi, C.E.Svensson, E.R.Tardiff, A.Teigelhoefer, S.J.Williams, J.Wong, C.Y.Wu Reorientation-effect measurement of the (2+1 ll E2 ll 2+1) matrix element in 10Be NUCLEAR REACTIONS 194Pt(10Be, 10Be'), E=41 MeV, [10Be beam from Ta(p, X), E=500 MeV]; measured Eγ, Iγ, particle spectra, (particle)γ-coin, angular distribution of γ yields for first 2+ states in 10Be and 194Pt using TIGRESS array at TRIUMF-ISACII facility. 10Be; deduced levels, J, π, diagonal matrix element for first 2+ state, spectroscopic quadrupole moment. 10Be, 194Pt; analyzed yield data using GOSIA code. Reorientation-effect in Coulomb-excitation. Comparison with shell-model (NCSM) calculations.
doi: 10.1103/PhysRevC.86.041303
2012PE16 Phys.Rev. C 86, 044329 (2012) M.Petri, S.Paschalis, R.M.Clark, P.Fallon, A.O.Macchiavelli, K.Starosta, T.Baugher, D.Bazin, L.Cartegni, H.L.Crawford, M.Cromaz, U.Datta Pramanik, G.de Angelis, A.Dewald, A.Gade, G.F.Grinyer, S.Gros, M.Hackstein, H.B.Jeppesen, I.Y.Lee, S.McDaniel, D.Miller, M.M.Rajabali, A.Ratkiewicz, W.Rother, P.Voss, K.A.Walsh, D.Weisshaar, M.Wiedeking, B.A.Brown, C.Forssen, P.Navratil, R.Roth Structure of 16C: Testing shell model and ab initio approaches NUCLEAR REACTIONS 9Be(17N, X)16O, E=72 MeV/nucleon, [17N secondary beam from 9Be(22Ne, X), E=150 MeV/nucleon primary reaction]; measured Eγ, Iγ, σ, half-life of first 2+ state in 16O by RDM plunger method using SeGA array at NSCL facility. 16C; deduced levels, J, π, B(E2), spectroscopic factors and proton amplitude of first 2+ state, gamma-ray branching ratios from second 2+ state. Comparison of with shell-model calculations using three interactions.
doi: 10.1103/PhysRevC.86.044329
2012VO05 Phys.Rev. C 86, 011303 (2012) P.Voss, T.Baugher, D.Bazin, R.M.Clark, H.L.Crawford, A.Dewald, P.Fallon, A.Gade, G.F.Grinyer, H.Iwasaki, A.O.Macchiavelli, S.McDaniel, D.Miller, M.Petri, A.Ratkiewicz, W.Rother, K.Starosta, K.A.Walsh, D.Weisshaar, C.Forssen, R.Roth, P.Navratil Excited-state transition-rate measurements in 18C NUCLEAR REACTIONS 9Be(19Ne, p)18C, [19Ne secondary beam from 9Be(22Ne, X), E=120 MeV/nucleon primary beam], E=72 MeV/nucleon; measured time-of-flight, energy loss, Eγ, Iγ, (18C)γ-coin using SeGA array, level half-lives by RDM method using the Koln/NSCL plunger device. 18C; deduced levels, J, π, B(E2) of first two 2+ states. 14,18C; comparison of experimental values of level energies, B(E2), B(M1) and quadrupole moment of first two 2+ states with calculations using large-scale ab initio no-core shell model calculations. Inclusion of three-body forces to explain low-lying states in A=18 system.
doi: 10.1103/PhysRevC.86.011303
2011AK02 Eur.Phys.J. A 47, 122 (2011) O.Akerlund, E.J.Lindgren, J.Bergsten, B.Grevholm, P.Lerner, R.Linscott, C.Forssen, L.Platter The similarity renormalization group for three-body interactions in one dimension
doi: 10.1140/epja/i2011-11122-4
2011FO01 Few-Body Systems 49, 11 (2011) C.Forssen, P.Navratil, S.Quaglioni The ab initio No-Core Shell Model and Light Nuclei NUCLEAR STRUCTURE 3H, 4He, 6,7,8,9,11Li; calculated ground-state energies, quadrupole and magnetic dipole moments, charge radii. Ab initio no-core shell model (NCSM), comparison with experimental results.
doi: 10.1007/s00601-010-0106-8
2010BU05 Phys.Rev. C 82, 015808 (2010) O.Burda, P.von Neumann-Cosel, A.Richter, C.Forssen, B.A.Brown Resonance parameters of the first 1/2+ state in 9Be and astrophysical implications NUCLEAR REACTIONS 9Be(e, e'), E=73 MeV; measured electron spectra, σ, σ(θ); deduced parameters of the first 1/2+ resonance, widths, B(E1). R-matrix analysis. 9Be(γ, n), E=1.6-2.0 MeV; deduced averaged σ. Deduced reaction rates for 4He(nα, γ)9Be at temperatures T9=0.001 to 0.03. Comparison with shell-model calculations. Discussed implications for possible production of 12C in neutron-rich astrophysical scenarios.
doi: 10.1103/PhysRevC.82.015808
2010JO06 Nucl.Phys. A842, 15 (2010) H.T.Johansson, Yu.Aksyutina, T.Aumann, K.Boretzky, M.J.G.Borge, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, U.Datta Pramanik, H.Emling, C.Forssen, H.O.U.Fynbo, H.Geissel, G.Ickert, B.Jonson, R.Kulessa, C.Langer, M.Lantz, T.LeBleis, K.Mahata, M.Meister, G.Munzenberg, T.Nilsson, G.Nyman, R.Palit, S.Paschalis, W.Prokopowicz, R.Reifarth, A.Richter, K.Riisager, G.Schrieder, H.Simon, K.Summerer, O.Tengblad, H.Weick, M.V.Zhukov The unbound isotopes 9, 10He NUCLEAR REACTIONS 1H(11Li, 2p), (11Li, n2p), E=280 MeV/nucleon; measured fragment spectra, neutron spectra, (fragment)(neutron)-coin, relative energy spectra; deduced resonance state parameters.
doi: 10.1016/j.nuclphysa.2010.04.006
2010JO07 Nucl.Phys. A847, 66 (2010) H.T.Johansson, Yu.Aksyutina, T.Aumann, K.Boretzky, M.J.G.Borge, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, U.Datta Pramanik, H.Emling, C.Forssen, H.O.U.Fynbo, H.Geissel, G.Ickert, B.Jonson, R.Kulessa, C.Langer, M.Lantz, T.LeBleis, K.Mahata, M.Meister, G.Munzenberg, T.Nilsson, G.Nyman, R.Palit, S.Paschalis, W.Prokopowicz, R.Reifarth, A.Richter, K.Riisager, G.Schrieder, N.B.Shulgina, H.Simon, K.Summerer, O.Tengblad, H.Weick, M.V.Zhukov Three-body correlations in the decay of 10He and 13Li NUCLEAR REACTIONS 1H(11Li, 2n2p), E=280 MeV/nucleon; 1H(14Be, 2n2p), E=304 MeV/nucleon; measured fragment spectra, neutron spectra, (fragment)(neutron)-coin. 11Li, 14Be, 10He, 13Li; deduced energy, angular three-body correlation coefficients, reaction mechanism features including final state interactions. Comparison with three-body wave function analysis.
doi: 10.1016/j.nuclphysa.2010.07.002
2009AK03 Phys.Lett. B 679, 191 (2009) Yu.Aksyutina, H.T.Johansson, T.Aumann, K.Boretzky, M.J.G.Borge, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, U.Datta Pramanik, H.Emling, C.Forssen, H.O.U.Fynbo, H.Geissel, G.Ickert, B.Jonson, R.Kulessa, C.Langer, M.Lantz, T.LeBleis, A.O.Lindahl, K.Mahata, M.Meister, G.Munzenberg, T.Nilsson, G.Nyman, R.Palit, S.Paschalis, W.Prokopowicz, R.Reifarth, A.Richter, K.Riisager, G.Schrieder, H.Simon, K.Summerer, O.Tengblad, H.Weick, M.V.Zhukov Properties of the 7He ground state from 8He neutron knockout NUCLEAR REACTIONS 1H(8He, np), E=240 MeV/nucleon; measured fragment spectra, neutron spectra, relative energy spectra; deduced spectroscopic factor; 12C(6He, Xn)5He, E=240 MeV/nucleon; 12C(8He, Xn)7He, E=227 MeV/nucleon; analyzed fragment spectra, neutron spectra, relative energy spectra; deduced resonance parameters using R-matrix analysis, configurations, reaction mechanism features.
doi: 10.1016/j.physletb.2009.07.044
2009FO01 Phys.Rev. C 79, 021303 (2009) C.Forssen, E.Caurier, P.Navratil Charge radii and electromagnetic moments of Li and Be isotopes from the ab initio no-core shell model NUCLEAR STRUCTURE 6,7,8,9,11Li; calculated ground-state binding energies. Large-scale ab initio no-core shell-model calculations. Comparison with experimental data. NUCLEAR MOMENTS 6,7,8,9,11Li, 7,9Be; calculated magnetic dipole moments, quadrupole moments, charge radii. 11Be; calculated magnetic dipole moment. 10,11Be; calculated charge radii. Large-scale ab initio no-core shell-model calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.79.021303
2009HY01 Phys.Lett. B 678, 459 (2009) S.Hyldegaard, C.Forssen, C.Aa.Diget, M.Alcorta, F.C.Barker, B.Bastin, M.J.G.Borge, R.Boutami, S.Brandenburg, J.Buscher, P.Dendooven, P.Van Duppen, T.Eronen, S.Fox, B.R.Fulton, H.O.U.Fynbo, J.Huikari, M.Huyse, H.B.Jeppesen, A.Jokinen, B.Jonson, K.Jungmann, A.Kankainen, O.Kirsebom, M.Madurga, I.Moore, P.Navratil, T.Nilsson, G.Nyman, G.J.G.Onderwater, H.Penttila, K.Perajarvi, R.Raabe, K.Riisager, S.Rinta-Antila, A.Rogachevskiy, A.Saastamoinen, M.Sohani, O.Tengblad, E.Traykov, J.P.Vary, Y.Wang, K.Wilhelmsen, H.W.Wilschut, J.Aysto Precise branching ratios to unbound 12C states from 12N and 12B β-decays NUCLEAR REACTIONS 1H(12C, n), 2H(11B, p), 12C(p, n), 11B(d, p), E not given; measured Eγ, Iγ, Eα, Iα, γα-coin, αα-coin, decay spectra; deduced branching ratio, log ft, B(GT) to various 12C states. Comparison with no-core shell model calculations. RADIOACTIVITY 12B(β-), 12N(β+); deduced branching ratio, log ft, B(GT) to various 12C states. Comparison with no-core shell model calculations.
doi: 10.1016/j.physletb.2009.06.064
2008AK03 Phys.Lett. B 666, 430 (2008) Yu.Aksyutina, H.T.Johansson, P.Adrich, F.Aksouh, T.Aumann, K.Boretzky, M.J.G.Borge, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, U.Datta Pramanik, H.Emling, C.Forssen, H.O.U.Fynbo, H.Geissel, M.Hellstrom, G.Ickert, K.L.Jones, B.Jonson, A.Kliemkiewicz, J.V.Kratz, R.Kulessa, M.Lantz, T.LeBleis, A.O.Lindahl, K.Mahata, M.Matos, M.Meister, G.Munzenberg, T.Nilsson, G.Nyman, R.Palit, M.Pantea, S.Paschalis, W.Prokopowicz, R.Reifarth, A.Richter, K.Riisager, G.Schrieder, H.Simon, K.Summerer, O.Tengblad, W.Walus, H.Weick, M.V.Zhukov Lithium isotopes beyond the drip line NUCLEAR REACTIONS 1H(11Li, np), E=280 MeV/nucleon; 1H(14Be, n2p), (14Be, 2p), E=304 MeV/nucleon; measured fragment spectra, neutron spectra, (fragment)(neutron)-coin. Deduced σ(E).
doi: 10.1016/j.physletb.2008.07.093
2008FO02 Phys.Rev. C 77, 024301 (2008) C.Forssen, J.P.Vary, E.Caurier, P.Navratil Converging sequences in the ab initio no-core shell model NUCLEAR STRUCTURE 6Li, 9Be; calculated binding energies, level energies. CDB2k Hamiltonian.
doi: 10.1103/PhysRevC.77.024301
2008RE01 Phys.Rev. C 77, 015804 (2008) R.Reifarth, M.Heil, C.Forssen, U.Besserer, A.Couture, S.Dababneh, L.Dorr, J.Gorres, R.C.Haight, F.Kappeler, A.Mengoni, S.O'Brien, N.Patronis, R.Plag, R.S.Rundberg, M.Wiescher, J.B.Wilhelmy The 14C(n, γ) cross section between 10 keV and 1 MeV NUCLEAR REACTIONS 14C(n, γ), E=10-1000 keV; measured neutron spectra, neutron flux, Eγ, Iγ, cross sections; deduced reaction rate. 15C; measured half-life.
doi: 10.1103/PhysRevC.77.015804
2007ES03 Nucl.Instrum.Methods Phys.Res. B261, 1075 (2007) J.E.Escher, F.S.Dietrich, C.Forssen Surrogate nuclear reaction methods for astrophysics NUCLEAR REACTIONS 235U(n, X), E < 7 MeV; calculated fission probability and cross section using the surrogate technique.
doi: 10.1016/j.nimb.2007.04.223
2007FO04 Phys.Rev. C 75, 055807 (2007) C.Forssen, F.S.Dietrich, J.Escher, R.D.Hoffman, K.Kelley Determining neutron capture cross sections via the surrogate reaction technique NUCLEAR REACTIONS Zr(n, γ), E< 5 MeV; calculated cross sections and neutron tranmission coefficients using the surrogate method. Discussed astrophysical implications.
doi: 10.1103/PhysRevC.75.055807
2007SI24 Nucl.Phys. A791, 267 (2007) H.Simon, M.Meister, T.Aumann, M.J.G.Borge, L.V.Chulkov, U.Datta Pramanik, Th.W.Elze, H.Emling, C.Forssen, H.Geissel, M.Hellstrom, B.Jonson, J.V.Kratz, R.Kulessa, Y.Leifels, K.Markenroth, G.Munzenberg, F.Nickel, T.Nilsson, G.Nyman, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, O.Tengblad, M.V.Zhukov Systematic investigation of the drip-line nuclei 11Li and 14Be and their unbound subsystems 10Li and 13Be NUCLEAR REACTIONS C(11Li, nx), E=264 MeV/nucleon; C(14Be, nx), E=287 MeV/nucleon; measured neutron energies and yields, σ as a function of core-neutron energy. 11,10Li, 13Be deduced resonance parameters.
doi: 10.1016/j.nuclphysa.2007.04.021
2005CH53 Nucl.Phys. A758, 126c (2005) J.A.Church, L.Ahle, L.A.Bernstein, J.Cooper, F.S.Dietrich, J.Escher, C.Forssen, H.Ai, H.Amro, M.Babilon, C.Beausang, J.Caggiano, A.Heinz, R.Hughes, E.McCutchan, D.Meyer, C.Plettner, J.Ressler, V.Zamfir Determining neutron capture cross sections with the Surrogate Reaction Technique: Measuring decay probabilities with STARS NUCLEAR REACTIONS 92Zr(α, α'), (α, 3HeX), (α, tX), (α, dX), (α, pX), E=51 MeV; measured particle spectra. 92Zr(α, α'), (α, xnα), E=51 MeV; measured Eγ, Iγ, αγ-coin. 90,91,92Zr deduced transitions. Surrogate reaction technique.
doi: 10.1016/j.nuclphysa.2005.05.169
2005CO19 J.Phys.(London) G31, S1629 (2005) D.Cortina-Gil, J.Fernandez-Vazquez, T.Aumann, T.Baumann, J.Benlliure, M.J.G.Borge, L.V.Chulkov, U.Datta Pramanik, C.Forssen, L.M.Fraile, H.Geissel, J.Gerl, F.Hammache, K.Itahashi, R.Janik, B.Jonson, S.Mandal, K.Markenroth, M.Meister, M.Mocko, G.Muenzenberg, T.Ohtsubo, A.Ozawa, Y.Prezado, K.Riisager, H.Scheit, R.Schneider, G.Schrieder, H.Simon, B.Sitar, A.Stolz, P.Strmen, K.Suemmerer, I.Szarka, H.Weick Structure of neutron-rich oxygen isotopes NUCLEAR STRUCTURE 21,23O; analyzed longitudinal momentum distributions, related data following one-neutron removal. 23O deduced ground-state J, π, configuration.
doi: 10.1088/0954-3899/31/10/045
2005CO24 Eur.Phys.J. A 25, Supplement 1, 343 (2005) D.Cortina-Gil, J.Fernandez-Vazquez, T.Aumann, T.Baumann, J.Benlliure, M.J.G.Borge, L.V.Chulkov, U.Datta Pramanik, C.Forssen, L.M.Fraile, H.Geissel, J.Gerl, F.Hammache, K.Itahashi, R.Janik, B.Jonson, S.Mandal, K.Markenroth, M.Meister, M.Mocko, G.Munzenberg, T.Ohtsubo, A.Ozawa, Y.Prezado, V.Pribora, K.Riisager, H.Scheit, R.Schneider, G.Schrieder, H.Simon, B.Sitar, A.Stolz, P.Strmen, K.Summerer, I.Szarka, H.Weick One-neutron knockout of 23O NUCLEAR REACTIONS C(23O, 22OX), E=938 MeV/nucleon; measured longitudinal momentum distributions, one-neutron removal σ. 23O deduced ground-state J, π, configuration.
doi: 10.1140/epjad/i2005-06-149-2
2005ES07 Nucl.Phys. A758, 86c (2005) J.Escher, L.Ahle, L.Bernstein, J.A.Church, F.Dietrich, C.Forssen, R.Hoffman Surrogate Nuclear Reactions and the origin of the heavy elements
doi: 10.1016/j.nuclphysa.2005.05.167
2005ES08 J.Phys.(London) G31, S1687 (2005) J.Escher, L.Ahle, L.Bernstein, J.Burke, J.A.Church, F.Dietrich, C.Forssen, V.Gueorguiev, R.Hoffman Surrogate nuclear reactions: an indirect method for determining reaction cross sections
doi: 10.1088/0954-3899/31/10/054
2005FO01 Phys.Rev. C 71, 044312 (2005) C.Forssen, P.Navratil, W.E.Ormand, E.Caurier Large basis ab initio shell model investigation of 9Be and 11Be NUCLEAR STRUCTURE 9,11Be; calculated levels, J, π, configurations, radii, B(E1), B(E2), B(M1). 11B, 13C; calculated levels, J, π. No-core shell model, realistic NN interactions, comparisons with data.
doi: 10.1103/PhysRevC.71.044312
2005FO11 Nucl.Phys. A758, 130c (2005) C.Forssen, L.Ahle, L.A.Bernstein, J.A.Church, F.S.Dietrich, J.Escher, R.D.Hoffman Theoretical challenges of determining low-energy neutron-capture cross sections via the Surrogate Technique
doi: 10.1016/j.nuclphysa.2005.05.026
2005NA41 Eur.Phys.J. A 25, Supplement 1, 481 (2005) P.Navratil, W.E.Ormand, C.Forssen, E.Caurier Ab initio no-core shell model calculations using realistic two- and three-body interactions NUCLEAR STRUCTURE 4He, 11Be, 10B, 13C; calculated ground and excited states energies. No-core shell model.
doi: 10.1140/epjad/i2005-06-145-6
2004CO11 Phys.Rev.Lett. 93, 062501 (2004) D.Cortina-Gil, J.Fernandez-Vazquez, T.Aumann, T.Baumann, J.Benlliure, M.J.G.Borge, L.V.Chulkov, U.Datta Pramanik, C.Forssen, L.M.Fraile, H.Geissel, J.Gerl, F.Hammache, K.Itahashi, R.Janik, B.Jonson, S.Mandal, K.Markenroth, M.Meister, M.Mocko, G.Munzenberg, T.Ohtsubo, A.Ozawa, Y.Prezado, V.Pribora, K.Riisager, H.Scheit, R.Schneider, G.Schrieder, H.Simon, B.Sitar, A.Stolz, P.Strmen, K.Summerer, I.Szarka, H.Weick Shell Structure of the Near-Dripline Nucleus 23O NUCLEAR REACTIONS C(23O, 22OX), E=938 MeV/nucleon; measured one-neutron removal σ, Eγ, Iγ, (particle)γ-coin, longitudinal momentum distribution. 23O deduced ground-state J, π. 22O deduced levels, J, π. C(19O, X), (20O, X), (21O, X), (22O, X), E ≈ 935 MeV/nucleon; measured one-neutron removal σ.
doi: 10.1103/PhysRevLett.93.062501
2004SI12 Nucl.Phys. A734, 323 (2004) H.Simon, T.Aumann, M.J.G.Borge, L.V.Chulkov, Th.W.Elze, H.Emling, C.Forssen, H.Geissel, M.Hellstrom, B.Jonson, J.V.Kratz, R.Kulessa, Y.Leifels, K.Markenroth, M.Meister, G.Munzenberg, F.Nickel, T.Nilsson, G.Nyman, V.Pribora, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, O.Tengblad, M.V.Zhukov Two- and three-body correlations: breakup of halo nuclei NUCLEAR REACTIONS C(11Li, 9LiX), E=264 MeV/nucleon; C(14Be, 12BeX), E=287 MeV/nucleon; analyzed particles relative energy spectra.
doi: 10.1016/j.nuclphysa.2004.01.058
2003BE28 Nucl.Instrum.Methods Phys.Res. B205, 62 (2003) P.Beiersdorfer, J.R.C.Lopez-Urrutia, S.B.Utter, E.Trabert, M.G.H.Gustavsson, C.Forssen, A.-M.Martensson-Pendrill Hyperfine structure of heavy hydrogen-like ions NUCLEAR MOMENTS 203,205Tl; measured hfs of hydrogen-like ions; deduced radii, μ. 165Ho, 185,187Re, 203,205Tl, 207Pb, 209Bi; calculated hfs of hydrogen-like ions.
doi: 10.1016/S0168-583X(03)00534-2
2003CO06 Nucl.Phys. A720, 3 (2003) D.Cortina-Gil, J.Fernandez-Vazquez, F.Attallah, T.Baumann, J.Benlliure, M.J.G.Borge, L.Chulkov, C.Forssen, L.M.Fraile, H.Geissel, J.Gerl, K.Itahashi, R.Janik, B.Jonson, S.Karlsson, H.Lenske, S.Mandal, K.Markenroth, M.Meister, M.Mocko, G.Munzenberg, T.Ohtsubo, A.Ozawa, Yu.Parfenova, V.Pribora, A.Richter, K.Riisager, R.Schneider, H.Scheit, G.Schrieder, N.Shulgina, H.Simon, B.Sitar, A.Stolz, P.Strmen, K.Summerer, I.Szarka, S.Wan, H.Weick, M.V.Zhukov Nuclear and Coulomb breakup of 8B NUCLEAR REACTIONS C, Pb(8B, p7Be), E=936 MeV/nucleon; measured fragments longitudinal momentum distributions, one-proton removal σ, Eγ, Iγ. 7Be deduced transition. 8B deduced core-excited component of ground state. Comparisons with model predictions.
doi: 10.1016/S0375-9474(03)00671-7
2003FO07 Phys.Rev. C 67, 045801 (2003) C.Forssen, N.B.Shul'gina, M.V.Zhukov Radiative capture and electromagnetic dissociation involving loosely bound nuclei: The 8B example NUCLEAR STRUCTURE 8B; calculated wavefunctions, E1 strength distribution. Three-body analytical model. NUCLEAR REACTIONS Pb(8B, p7Be), E=82.7 MeV/nucleon; calculated electromagnetic dissociation σ(E, θ), electric multipole contributions, astrophysical S-factor. Analytical model.
doi: 10.1103/PhysRevC.67.045801
2003FO18 Nucl.Phys. A718, 434c (2003) C.Forssen, V.D.Efros, N.B.Shul'gina, M.V.Zhukov Analytical studies of 8B electromagnetic dissociation NUCLEAR REACTIONS Pb(8B, p7Be), E=936 MeV/nucleon; calculated σ, dependence on radius parameter. Analytical model.
doi: 10.1016/S0375-9474(03)00823-6
2003ME16 Nucl.Phys. A718, 431c (2003) M.Meister, D.Cortina-Gil, J.Fernandez-Vazquez, K.Markenroth, F.Attallah, T.Baumann, J.Benlliure, M.J.G.Borge, L.V.Chulkov, U.Datta Pramanik, C.Forssen, L.M.Fraile, H.Geissel, J.Gerl, F.Hammache, K.Itahashi, R.Janik, B.Jonson, S.Karlsson, H.Lenske, S.Mandal, M.Mocko, G.Munzenberg, T.Ohtsubo, A.Ozawa, Y.Parfenova, V.Pribora, K.Riisager, H.Scheit, R.Schneider, K.Schmidt, G.Schrieder, H.Simon, B.Sitar, A.Stolz, P.Strmen, K.Summerer, I.Szarka, S.Wan, H.Weick, M.Zhukov High-energy breakup of 8B NUCLEAR REACTIONS C, Pb(8B, p7Be), E=936 MeV/nucleon; measured one-proton removal σ, fragments longitudinal momentum distributions, Eγ, Iγ. 8B deduced core-excited component, astrophysical S-factor.
doi: 10.1016/S0375-9474(03)00822-4
2002BE53 Nucl.Phys. A701, 363c (2002) U.C.Bergmann, L.Axelsson, J.R.J.Bennett, M.J.G.Borge, R.Catherall, P.V.Drumm, V.N.Fedoseyev, C.Forssen, L.M.Fraile, H.O.U.Fynbo, U.Georg, T.Giles, S.Grevy, P.Hornshoj, B.Jonson, O.C.Jonsson, U.Koster, J.Lettry, K.Markenroth, F.M.Marques, V.I.Mishin, I.Mukha, T.Nilsson, G.Nyman, A.Oberstedt, H.L.Ravn, K.Riisager, G.Schrieder, V.Sebastian, H.Simon, O.Tengblad, F.Wenander, K.Wilhelmsen Rolander Light Exotic Isotopes: Recent beam developments and physics applications at ISOLDE RADIOACTIVITY 12Be(β-), (β-n); measured Eβ, β-delayed neutron spectra, T1/2. 14Be(β-); measured β-delayed neutrons, charged particles; deduced decay branching ratios. 9C(β+); measured Ep, Eα following daughter nucleus decay.
doi: 10.1016/S0375-9474(01)01611-6
2002CO04 Phys.Lett. 529B, 36 (2002) D.Cortina-Gil, K.Markenroth, F.Attallah, T.Baumann, J.Benlliure, M.J.G.Borge, L.V.Chulkov, U.D.Pramanik, J.Fernandez-Vazquez, C.Forssen, L.M.Fraile, H.Geissel, J.Gerl, F.Hammache, K.Itahashi, R.Janik, B.Jonson, S.Karlsson, H.Lenske, S.Mandal, M.Meister, M.Mocko, G.Munzenberg, T.Ohtsubo, A.Ozawa, Y.Parfenova, V.Pribora, K.Riisager, H.Scheit, R.Schneider, K.Schmidt, G.Schrieder, H.Simon, B.Sitar, A.Stolz, P.Strmen, K.Summerer, I.Szarka, S.Wan, H.Weick, M.Zhukov Experimental Evidence for the 8B Ground State Configuration NUCLEAR REACTIONS C(8B, 7BeX), E=936 MeV/nucleon; measured Eγ, fragments parallel momentum distribution, (fragment)γ-coin; deduced fragment excitation. 8B deduced ground state configuration. Fragment separator, comparison with model predictions.
doi: 10.1016/S0370-2693(02)01245-5
2002FO01 Nucl.Phys. A697, 639 (2002) C.Forssen, V.D.Efros, M.V.Zhukov Analytical E1 Strength Functions of Two-Neutron Halo Nuclei: The 6He example NUCLEAR REACTIONS Pb(6He, 2nα), E=37, 240 MeV/nucleon; calculated dissociation σ, excitation energy spectrum. Three-body model, comparisons with data. NUCLEAR STRUCTURE 6He; calculated wave functions, B(E1) distribution. Three-body model.
doi: 10.1016/S0375-9474(01)01260-X
2002FO06 Nucl.Phys. A706, 48 (2002) C.Forssen, V.D.Efros, M.V.Zhukov Analytical E1 Strength Functions of Two-Neutron Halo Nuclei: 11Li and 14Be NUCLEAR STRUCTURE 11Li, 14Be; calculated wave functions, E1 strength distributions, electromagnetic dissociation spectra. Analytical model.
doi: 10.1016/S0375-9474(02)00865-5
2002FO13 Phys.Lett. 549B, 79 (2002) C.Forssen, N.B.Shul'gina, M.V.Zhukov Analytical Approach to Electromagnetic Processes in Loosely bound Nuclei: Application to 8B NUCLEAR STRUCTURE 8B; calculated wave functions, E1 strength function. Analytical approach. NUCLEAR REACTIONS Pb(8B, X), E=82.7 MeV/nucleon; calculated Coulomb dissociation σ(E), electric dipole contribution. Analytical approach, comparison with data.
doi: 10.1016/S0370-2693(02)02895-2
2002ME07 Phys.Rev.Lett. 88, 102501 (2002) M.Meister, K.Markenroth, D.Aleksandrov, T.Aumann, L.Axelsson, T.Baumann, M.J.G.Borge, L.V.Chulkov, W.Dostal, B.Eberlein, Th.W.Elze, H.Emling, C.Forssen, H.Geissel, M.Hellstrom, R.Holzmann, B.Jonson, J.V.Kratz, R.Kulessa, Y.Leifels, A.Leistenschneider, I.Mukha, G.Munzenberg, F.Nickel, T.Nilsson, G.Nyman, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, H.Simon, O.Tengblad, M.V.Zhukov Evidence for a New Low-Lying Resonance State in 7He NUCLEAR REACTIONS C(8He, X), E=227 MeV/nucleon; measured neutron and 6He momenta, (neutron)(6He)-coin, σ(E) following projectile breakup. 7He deduced ground state and resonance width, J, π, level scheme following compilation of earlier data.
doi: 10.1103/PhysRevLett.88.102501
2001BE46 Phys.Rev. A64, 032506 (2001) P.Beiersdorfer, S.B.Utter, K.L.Wong, J.R.C.Lopez-Urrutia, J.A.Britten, H.Chen, C.L.Harris, R.S.Thoe, D.B.Thorn, E.Trabert, M.G.H.Gustavsson, C.Forssen, A.-M.Martensson-Pendrill Hyperfine Structure of Hydrogenlike Thallium Isotopes NUCLEAR MOMENTS 203,205Tl; measured hfs in hydrogen-like ions; deduced μ, radii.
doi: 10.1103/PhysRevA.64.032506
2001BE53 Eur.Phys.J. A 11, 279 (2001) U.C.Bergmann, M.J.G.Borge, J.Cederkall, C.Forssen, E.Fumero, H.O.U.Fynbo, H.Gausemel, H.Jeppesen, B.Jonson, K.Markenroth, T.Nilsson, G.Nyman, K.Riisager, H.Simon, O.Tengblad, L.Weissman, F.Wenander, K.Wilhelmsen Rolander, and the ISOLDE Collaboration Analysis of Decay Data from Neutron-Rich Nuclei RADIOACTIVITY 12Be, 29Ne(β-)[from 238U(p, X), E=1 GeV]; measured T1/2, βn and β2n branching ratios, neutron spectra. Comparison with earlier data.
doi: 10.1007/s100500170066
2000FO09 Nucl.Phys. A673, 143 (2000) C.Forssen, B.Jonson, M.V.Zhukov A Correlated Background in Invariant Mass Spectra of Three-Body Systems NUCLEAR STRUCTURE 11Li, 6He; calculated fragments relative energies following halo nucleus break-up; deduced correlated background features. Analytic approach, three-body wave functions.
doi: 10.1016/S0375-9474(00)00089-0
2000GU38 Hyperfine Interactions 127, 347 (2000) M.G.H.Gustavsson, C.Forssen, A.-M.Martensson-Pendrill Thallium hyperfine anomaly NUCLEAR MOMENTS 203,205Tl; calculated μ, hfs, Bohr-Weisskopf effect.
doi: 10.1023/A:1012693012231
1999BE53 Nucl.Phys. A658, 129 (1999) U.C.Bergmann, L.Axelsson, M.J.G.Borge, V.N.Fedoseyev, C.Forssen, H.O.U.Fynbo, S.Grevy, P.Hornshoj, Y.Jading, B.Jonson, U.Koster, K.Markenroth, F.M.Marques, V.I.Mishin, T.Nilsson, G.Nyman, A.Oberstedt, H.L.Ravn, K.Riisager, G.Schrieder, V.Sebastian, H.Simon, O.Tengblad, F.Wenander, K.Wilhelmsen Rolander, and the ISOLDE Collaboration New Information on β-Delayed Neutron Emission from 12, 14Be RADIOACTIVITY 12,14Be(β-) [from 1 GeV p on UC target]; measured β-delayed neutrons, βn and nn time correlations. 12,14Be deduced neutron emission probabilities, branching ratios. Neutron long counters, mass-separated sources.
doi: 10.1016/S0375-9474(99)00348-6
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