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NSR database version of April 11, 2024.

Search: Author = T.Neff

Found 28 matches.

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2015NE13      Phys.Rev. C 92, 024003 (2015)

T.Neff, H.Feldmeier, W.Horiuchi

Short-range correlations in nuclei with similarity renormalization group transformations

NUCLEAR STRUCTURE 4He; calculated relative density and momentum distributions, ground state wave functions, tensor and many body correlations using the no core shell model (NCSM) with the similarity renormalization group (SRG) transformed AV8' and N3LO interactions in two-body approximation. Short-range correlations.

doi: 10.1103/PhysRevC.92.024003
Citations: PlumX Metrics


2014FE09      Phys.Rev. C 90, 064005 (2014)

H.Feldmeier, T.Neff, D.Weber

Nucleon-nucleon potentials in phase-space representation

doi: 10.1103/PhysRevC.90.064005
Citations: PlumX Metrics


2014TE06      Prog.Theor.Exp.Phys. 2014, 101D02 (2014)

S.Terashima, I.Tanihata, R.Kanungo, A.Estrade, W.Horiuchi, F.Ameil, J.Atkinson, Y.Ayyad, D.Cortina-Gil, I.Dillmann, A.Evdokimov, F.Farinon, H.Geissel, G.Guastalla, R.Janik, M.Kimura, R.Knoebel, J.Kurcewicz, Yu.A.Litvinov, M.Marta, M.Mostazo, I.Mukha, T.Neff, C.Nociforo, H.J.Ong, S.Pietri, A.Prochazka, C.Scheidenberger, B.Sitar, Y.Suzuki, M.Takechi, J.Tanaka, J.Vargas, J.S.Winfield, H.Weick

Proton radius of 14Be from measurement of charge-changing cross sections

NUCLEAR REACTIONS C(7Be, np), (9Be, np), (10Be, np), (11Be, np), (12Be, np), (14Be, np), E=90 MeV/nucleon; measured reaction products; deduced σ, proton and nucleon rms radii. Comparison with Glauber model calculations.

doi: 10.1093/ptep/ptu134
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2350.


2014WE01      Phys.Rev. C 89, 034002 (2014)

D.Weber, H.Feldmeier, H.Hergert, T.Neff

From nucleon-nucleon interaction matrix elements in momentum space to an operator representation

doi: 10.1103/PhysRevC.89.034002
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2012KR04      Phys.Rev.Lett. 108, 142501 (2012)

A.Krieger, K.Blaum, M.L.Bissell, N.Frommgen, Ch.Geppert, M.Hammen, K.Kreim, M.Kowalska, J.Kramer, T.Neff, R.Neugart, G.Neyens, W.Nortershauser, Ch.Novotny, R.Sanchez, D.T.Yordanov

Nuclear Charge Radius of 12Be

NUCLEAR MOMENTS 12Be; measured isotope shifts; deduced nuclear charge radii. Comparison with available data and FMD calculations.

doi: 10.1103/PhysRevLett.108.142501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2012NE08      J.Phys.:Conf.Ser. 337, 012055 (2012)

T.Neff, H.Feldmeier, K.Langanke

Microscopic calculation of the 3He(α, γ)7Be reaction rate using realistic interactions

NUCLEAR REACTIONS 3H, 3He(α, γ), E(cm)≈0.2-2.5 MeV; calculated S-factor, γ dipole strength using FMD (fermionic molecular dynamics). Compared with data.

doi: 10.1088/1742-6596/337/1/012055
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2012YO01      Phys.Rev.Lett. 108, 042504 (2012)

D.T.Yordanov, M.L.Bissell, K.Blaum, M.De Rydt, Ch.Geppert, M.Kowalska, J.Kramer, K.Kreim, A.Krieger, P.Lievens, T.Neff, R.Neugart, G.Neyens, W.Nortershauser, R.Sanchez, P.Vingerhoets

Nuclear Charge Radii of 21-32Mg

ATOMIC PHYSICS 21,22,23,24,25,26,27,28,29,30,31,32Mg; measured the atomic isotope shift representing the transition frequencies with respect to the fine structure levels; deduced rms charge radii, evolution of nuclear shape through deformation regions. Comparison with theory and differential mean square radii, application of laser-induced orientation for isotope shift measurements.

doi: 10.1103/PhysRevLett.108.042504
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011FE08      Phys.Rev. C 84, 054003 (2011)

H.Feldmeier, W.Horiuchi, T.Neff, Y.Suzuki

Universality of short-range nucleon-nucleon correlations

NUCLEAR STRUCTURE 2,3H, 3,4He; calculated Argonne v8' potential contours, one-body point densities, two-body density contours in coordinate and momentum space, three-body correlations in the unitary correlation operator method (UCOM) approach. Correlated Gaussian basis approach for the Argonne v8' interaction.

doi: 10.1103/PhysRevC.84.054003
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2011NE01      Phys.Rev.Lett. 106, 042502 (2011)

T.Neff

Microscopic Calculation of the 3He(α, γ)7Be and 3H(α, γ)7Li Capture Cross Sections Using Realistic Interactions

NUCLEAR REACTIONS 3H, 3He(α, γ), E(cm)<6 MeV; calculated radiative σ, thresholds, charge radii, quadrupole moments, S-factors. Microscopic fermionic molecular dynamics approach, comparison with experimental data.

doi: 10.1103/PhysRevLett.106.042502
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2011NE02      Prog.Part.Nucl.Phys. 66, 341 (2011)

T.Neff, H.Feldmeier, K.Langanke

Towards microscopic ab initio calculations of astrophysical S-factors

NUCLEAR REACTIONS 3H, 3He(α, γ), E<2.5 MeV; calculated S-factors, p-wave scattering phase shifts, dipole strengths. Fermionic Molecular Dynamics, Argonne V18 potential.

doi: 10.1016/j.ppnp.2011.01.031
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2011NO11      Phys.Rev. C 84, 024307 (2011)

W.Nortershauser, T.Neff, R.Sanchez, I.Sick

Charge radii and ground state structure of lithium isotopes: Experiment and theory reexamined

NUCLEAR MOMENTS 6,7,8,9,11Li; analyzed isotope shifts; mass-shift, and 6Li(e, e) data; deduced nuclear charge radii, magnetic dipole moments, spectroscopic electric quadrupole moments, mass, binding energy, proton and neutron density contours. Fermionic molecular dynamics (FMD) calculations. Comparison with predictions of several previous model calculations.

doi: 10.1103/PhysRevC.84.024307
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2011VO16      J.Phys.:Conf.Ser. 312, 042026 (2011)

P.von Neumann-Cosel, M.Chernykh, H.Feldmeier, T.Neff, A.Richter

Pair decay width of the Hoyle state and carbon production in stars

NUCLEAR REACTIONS 12C(e, e'), E=73 MeV; measured Ee, Ie; deduced transition charge density for transition in from ground to the Hoyle state, formfactor at low q, pair decay widths.

doi: 10.1088/1742-6596/312/4/042026
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2010CH17      Phys.Rev.Lett. 105, 022501 (2010)

M.Chernykh, H.Feldmeier, T.Neff, P.von Neumann-Cosel, A.Richter

Pair Decay Width of the Hoyle State and its Role for Stellar Carbon Production

NUCLEAR REACTIONS 12C(e, e'), E=29-78 MeV; measured reaction products; deduced transition form factors, charge density, pair decay width of the Hoyle state.

doi: 10.1103/PhysRevLett.105.022501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2010ZA02      J.Phys.(London) G37, 055107 (2010)

M.Zakova, Z.Andjelkovic, M.L.Bissell, K.Blaum, G.W.F.Drake, Ch.Geppert, M.Kowalska, J.Kramer, A.Krieger, M.Lochmann, T.Neff, R.Neugart, W.Nortershauser, R.Sanchez, F.Schmidt-Kaler, D.Tiedemann, Z.-C.Yan, D.T.Yordanov, C.Zimmermann

Isotope shift measurements in the 2s1/2 → 2p3/2 transition of Be+ and extraction of the nuclear charge radii for 7, 10, 11Be

ATOMIC PHYSICS 7,10,11Be; measured laser beam frequencies; deduced isotope shifts, nuclear charge radii, cluster structures. Comparison with nuclear structure calculations.

doi: 10.1088/0954-3899/37/5/055107
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Data from this article have been entered in the XUNDL database. For more information, click here.


2008BA39      Phys.Rev. C 78, 044306 (2008)

S.Bacca, H.Feldmeier, T.Neff

Long range tensor correlations in charge and parity projected fermionic molecular dynamics

NUCLEAR STRUCTURE 4He; calculated energies of 0+ states. Fermionic molecular dynamics. Long-range tensor correlations.

doi: 10.1103/PhysRevC.78.044306
Citations: PlumX Metrics


2008GE07      Phys.Rev.Lett. 101, 252502 (2008)

W.Geithner, T.Neff, G.Audi, K.Blaum, P.Delahaye, H.Feldmeier, S.George, C.Guenaut, F.Herfurth, A.Herlert, S.Kappertz, M.Keim, A.Kellerbauer, H.-J.Kluge, M.Kowalska, P.Lievens, D.Lunney, K.Marinova, R.Neugart, L.Schweikhard, S.Wilbert, C.Yazidjian

Masses and Charge Radii of 17-22Ne and the Two-Proton-Halo Candidate 17Ne

ATOMIC MASSES 17,18,19,20,21,22Ne; measured masses and charge radii using penning trap mass spectrometry.

doi: 10.1103/PhysRevLett.101.252502
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2008NE06      Eur.Phys.J. Special Topics 156, 69 (2008)

T.Neff, H.Feldmeier

Clustering and other exotic phenomena in nuclei

doi: 10.1140\epjst/e2008-00609-y
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2008NE13      Int.J.Mod.Phys. E17, 2005 (2008)

T.Neff, H.Feldmeier

Cluster and shell structures in the Fermionic Molecular Dynamics approach

NUCLEAR STRUCTURE 12C, 17,18,19,20,21,22Ne; calculated level energies, radii, matrix elements, B(E2). Fermionic Molecular Dynamics (FMD) model.

doi: 10.1142/S0218301308010994
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2007CH04      Phys.Rev.Lett. 98, 032501 (2007)

M.Chernykh, H.Feldmeier, T.Neff, P.von Neumann-Cosel, A.Richter

Structure of the Hoyle State in 12C

NUCLEAR REACTIONS 12C(e, e), (e, e'), E not given; analyzed σ(θ). 12C deduced excited state density, related features.

NUCLEAR STRUCTURE 12C; calculated energies, radii, transition strengths. Fermionic molecular dynamics model, α-cluster models.

doi: 10.1103/PhysRevLett.98.032501
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2007GA50      Phys.Rev. C 76, 045802 (2007)

L.R.Gasques, A.V.Afanasjev, M.Beard, J.Lubian, T.Neff, M.Wiescher, D.G.Yakovlev

Sao Paulo potential as a tool for calculating S factors of fusion reactions in dense stellar matter

NUCLEAR REACTIONS 16O(16O, X), E(cm)=0-20 MeV; 20O(20O, X), E=0-28 MeV; 20O(26Ne, X), E=0-20 MeV; 20O(32Mg, X), E=0-24 MeV; 26Ne(26Ne, X), E=0-24 MeV; 26Ne(32Mg, X), E=0-28 MeV; 32Mg(32Mg, X), E=0-28 MeV; 22O(22O, X), E=0-20 MeV; 24O(24O, X), E(cm)=0-20 MeV; calculated astrophysical S-factors for fusion reactions. Sao Paulo potential.

doi: 10.1103/PhysRevC.76.045802
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2007LA15      Prog.Part.Nucl.Phys. 59, 66 (2007)

K.Langanke, H.Feldmeier, G.Martinez-Pinedo, T.Neff

Astrophysically important nuclear reactions

doi: 10.1016/j.ppnp.2006.12.010
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2006RO15      Phys.Rev. C 73, 044312 (2006)

R.Roth, P.Papakonstantinou, N.Paar, H.Hergert, T.Neff, H.Feldmeier

Hartree-Fock and many body perturbation theory with correlated realistic NN interactions

NUCLEAR STRUCTURE 4He, 16,24O, 34Si, 40,48Ca, 48,56,78Ni, 88Sr, 90Zr, 100,114,132Sn, 146Gd, 208Pb; calculated ground-state energies, radii. 16O, 40Ca, 100,132Sn, 208Pb; calculated single-particle energies. O, Ca, Ni, Sn; calculated ground-state energies for even-A isotopes. Correlated realistic nucleon-nucleon interactions.

doi: 10.1103/PhysRevC.73.044312
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2005NE03      Nucl.Phys. A752, 321c (2005)

T.Neff, H.Feldmeier, R.Roth

Structure of light nuclei in Fermionic Molecular Dynamics

NUCLEAR STRUCTURE 4,5,6,7,8He, 7,8,9,10,11,12,13,14Be; calculated binding energies, radii, deformation. Fermionic molecular dynamics model.

doi: 10.1016/j.nuclphysa.2005.02.092
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2005RO32      Phys.Rev. C 72, 034002 (2005)

R.Roth, H.Hergert, P.Papakonstantinou, T.Neff, H.Feldmeier

Matrix elements and few-body calculations within the unitary correlation operator method

NUCLEAR STRUCTURE 3H, 4He; calculated ground-state energies vs oscillator parameter. Unitary correlation operator method.

doi: 10.1103/PhysRevC.72.034002
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2004NE08      Nucl.Phys. A738, 357 (2004)

T.Neff, H.Feldmeier

Cluster structures within Fermionic Molecular Dynamics

NUCLEAR STRUCTURE 12C; calculated cluster states energies, J, π, radii, B(E2). 4,5,6,7,8He; calculated binding energies, radii. Fermionic molecular dynamics approach.

doi: 10.1016/j.nuclphysa.2004.04.061
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2004RO37      Nucl.Phys. A745, 3 (2004)

R.Roth, T.Neff, H.Hergert, H.Feldmeier

Nuclear structure based on correlated realistic nucleon-nucleon potentials

NUCLEAR STRUCTURE 3,4He, 7Li, 9Be, 10B, 12C, 14N, 16O, 20Ne, 23Na, 24Mg, 27Al, 28Si, 32S, 36Ar, 36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,54Ca, 50Ti, 56Fe, 60Ni; calculated binding energies, radii. 7Li, 9Be, 12C, 16O, 20,22,24,26Ne, 26Mg, 40,48Ca; calculated particle density distributions. 7Li, 9Be, 12C, 20Ne; calculated levels, J, π. Unitary correlation operator method, fermionic molecular dynamics model.

doi: 10.1016/j.nuclphysa.2004.08.024
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2003NE03      Nucl.Phys. A713, 311 (2003)

T.Neff, H.Feldmeier

Tensor correlations in the unitary correlation operator method

NUCLEAR STRUCTURE 4He, 16O, 40Ca; calculated binding energies, radii, correlated single-particle momentum distributions. Unitary correlation operator method.

doi: 10.1016/S0375-9474(02)01307-6
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1998FE03      Nucl.Phys. A632, 61 (1998)

H.Feldmeier, T.Neff, R.Roth, J.Schnack

A Unitary Correlation Operator Method

doi: 10.1016/S0375-9474(97)00805-1
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