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Search: Author = A.Heusler

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2021HE20      Eur.Phys.J. A 57, 214 (2021)

A.Heusler

Low lying particle-hole states in 206Pb and 208Pb and the shell model

NUCLEAR STRUCTURE 204,206,208,210Pb, 206Tl, 208,210Bi; analyzed available data; deduced energy levels, J, π, total mean σ for levels, strength distributions.

doi: 10.1140/epja/s10050-021-00500-0
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2020HE18      Eur.Phys.J. A 56, 178 (2020)

A.Heusler

Structure of negative parity states at 6 ≤ Ex < 7.0 MeV in 208Pb

NUCLEAR REACTIONS 208Pb(p, p'), E*≈5-7.0 MeV; analyzed data taken in several laboratories in Europe and USA between 1965-1969 (including papers of the present author); studied negative-parity half-spin states in 208Pb populated by inelastic proton scattering via double IARs in 209Bi; calculated, determined amplitudes with relative signs up to 4 one-particle, one-hole configurations, resonance energy Eres(LJ) and total widths Γtot for IARs LJ in 209Bi; deduced, described pro states in 208Pb, proton decay in IARs, superposition of 1p1h configuration LJ+1lj-1 (LJ stands for particles, lj holes), schematic view of 1p1h E*=3-7 MeV excited by 7 IARs; deduced mean σ from fitof σ(θ) of IARs in 209Bi; calculated σ(E), E=17=17.9 MeV, σ(θ) (in relative units) via the IARs doublet in 209Bi.

doi: 10.1140/epja/s10050-020-00146-4
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2020SP05      Phys.Rev.Lett. 125, 102503 (2020)

M.Spieker, A.Heusler, B.A.Brown, T.Faestermann, R.Hertenberger, G.Potel, M.Scheck, N.Tsoneva, M.Weinert, H.-F.Wirth, A.Zilges

Accessing the Single-Particle Structure of the Pygmy Dipole Resonance in 208Pb

NUCLEAR REACTIONS 207Pb(d, p), E=22 MeV; measured reaction products, Ep, Ip; deduced σ(θ), B(E1), transition densities, Pygmy Dipole Resonance. Comparison with large-scale shell model calculations.

doi: 10.1103/PhysRevLett.125.102503
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2549. Data from this article have been entered in the XUNDL database. For more information, click here.


2019HE04      Phys.Rev. C 99, 034323 (2019)

A.Heusler, R.V.Jolos, P.von Brentano

Description of one-particle one-hole configurations coupled to the 3- yrast state in the doubly magic nucleus 208Pb

NUCLEAR STRUCTURE 208Pb; analyzed experimental data for levels, J, π, multiplets and IARs to describe coupling of the 3- yrast state in 208Pb to one-particle one-hole configurations using particle-phonon coupling model taken to second order.

doi: 10.1103/PhysRevC.99.034323
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2017DI01      Phys.Rev.Lett. 118, 012501 (2017)

B.Dietz, A.Heusler, K.H.Maier, A.Richter, B.A.Brown

Chaos and Regularity in the Doubly Magic Nucleus 208Pb

NUCLEAR STRUCTURE 208Pb; calculated energy levels for negative and positive parity states. Two-body Michigan-three-Yukawa (M3Y) interaction on a one-boson exchange potential with short-range components determined with the help of the Reid nucleon-nucleon potential.

doi: 10.1103/physrevlett.118.012501
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2017HE21      Eur.Phys.J. A 53, 215 (2017)

A.Heusler

Identification of rotating and vibrating tetrahedrons in the heavy nucleus 208Pb

NUCLEAR REACTIONS 208Pb(p, p'), E=35 MeV; measured Ep, Ip(θ); deduced proton energy spectra, σ(θ) to discrete states, many unknown levels, J, π at E*=3.9-7.0 MeV, σ(Ep, θ) at specified angles compared with published ones from reactions. 207Pb(d, p), 208Pb(d, d'), (α, α'), 209Bi(d, 3He); measured transitions to 4142 keV 2- yrast and 4230 2- yrare states, 4086 2+ yrast state, their main components.

NUCLEAR STRUCTURE 16O, 208Pb; calculated discrete tetrahedron built from fermions properties; deduced parameters of rotational and vibrational tetrahedral states, their parameters, B(Eλ) using ACM (Algebraic Cluster Model), members of the flattening (010) and of the torsion(001) bands; compared with available data.

doi: 10.1140/epja/i2017-12416-1
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2017MU02      Phys.Rev. C 95, 014317 (2017)

L.Munoz, R.A.Molina, J.M.G.Gomez, A.Heusler

Examination of experimental evidence of chaos in the bound states of 208Pb

NUCLEAR STRUCTURE 208Pb; analyzed spectral fluctuations from the recently identified complete set of 151 levels below 6.2 MeV in 208Pb with Jπ assignment with fits to Poisson and Brody distributions; deduced much stronger residual interaction for natural-parity states than that for unnatural-parity states. Comparison with predictions of Random matrix theory (RMT).

doi: 10.1103/PhysRevC.95.014317
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2016HE04      Phys.Rev. C 93, 054321 (2016)

A.Heusler, R.V.Jolos, T.Faestermann, R.Hertenberger, H.-F.Wirth, P.von Brentano

Complete identification of states in 208Pb below Ex = 6.2 MeV

NUCLEAR REACTIONS 208Pb(p, p'), E=14.8-18.1 MeV; 208Pb(d, d'), E=22.0, 24.0 MeV; 207Pb(d, p), E=22.0, 24.0 MeV; measured E(p), I(p), E(d), I(d), differential σ(E), σ(θ) using Q3D magnetic spectrograph at MLL-LMU-Munich and TUM-Garching. Enriched 207Pb target contained small amounts of 206,208Pb. 208Pb; deduced levels, levels populated through seven known isobaric analog resonances in 209Bi, J, π, configurations, multi-particle-hole states, natural-parity states, wave function amplitudes, centroid energies for groups of states; discussed completeness of states at E<6.2 MeV. Comparison with states in 208Pb populated via previously studied reactions, and with evaluated data in Nuclear Data Sheets for A=208 nuclides. 209Bi; deduced new isobaric analog resonance at E=17.60 MeV. Comparison with shell-model calculations for 1p-1h and 2p-2h configurations. Systematics of levels in 207Tl, 209Bi, 207Pb and 209Pb.

doi: 10.1103/PhysRevC.93.054321
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Data from this article have been entered in the XUNDL database. For more information, click here.


2015HE12      Phys.Rev. C 91, 044325 (2015)

A.Heusler, T.Faestermann, R.Hertenberger, H.-F.Wirth, P.von Brentano

Identification of the 0+ proton pairing vibration state in the doubly magic nucleus 208Pb by particle spectroscopy

NUCLEAR REACTIONS 208Pb(p, p'), E=14.8-18.2 MeV; 208Pb(d, d'), E=22, 24 MeV; 206,207,208Pb(d, p), E=22, 24 MeV; measured particle spectra, σ(θ) using Q3D magnetic spectrograph at the MLL-Garching. 208Pb; deduced levels, J, π, levels populated via IAR in 209Bi, configuration mixings, discovery of 0+ proton-pairing vibrational state. Comparison with data from (α, α') experiments and evaluated data in the ENSDF database.

doi: 10.1103/PhysRevC.91.044325
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Data from this article have been entered in the XUNDL database. For more information, click here.


2015JO09      Phys.Rev. C 92, 011302 (2015)

R.V.Jolos, A.Heusler, P.von Brentano

Proton pairing vibrational states around the doubly magic nucleus 208Pb

NUCLEAR STRUCTURE 202Os, 204Pt, 202Os, 206Hg, 208Pb, 210Po, 212Rn, 214Ra, 202,204,206,208,210,212,214Pb; calculated excitation energies of 0+ proton pairing vibrational states around doubly magic 208Pb nucleus, and binding energies using the model of pair addition and pair removal phonons; deduced ratio of pairing force for neutrons and protons from shell model.

doi: 10.1103/PhysRevC.92.011302
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2014HE02      Phys.Rev. C 89, 024322 (2014)

A.Heusler, T.Faestermann, R.Hertenberger, H.-F.Wirth, P.von Brentano

Determining the strength of undetectable particle-hole configurations by complete spectroscopy of negative parity states in 208Pb

NUCLEAR REACTIONS 208Pb(p, p'), E near IAR in 209Bi at 14.8-18.1 MeV; 207Pb(d, p), E=22.0 MeV; measured Ep, Ip, σ(Eres, θ), excitation functions using Q3D magnetic spectrometer at MLL-Garching facility. 208Pb; deduced levels, J, π, particle-hole configurations, configuration strengths, configuration mixing between natural and unnatural parity states. DWBA analysis. Comparison with shell-model calculations for negative-parity states, and with evaluated data in NDS-2007 or ENSDF database.

doi: 10.1103/PhysRevC.89.024322
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Data from this article have been entered in the XUNDL database. For more information, click here.


2014HE09      Eur.Phys.J. A 50, 92 (2014)

A.Heusler, H.-J.Glockner, E.Grosse, C.F.Moore, J.Solf, P.von Brentano

Single-particle widths in 208Bi and 209Bi determined from the inelastic proton scattering by 207Pb and 208Pb

NUCLEAR REACTIONS 207,208Pb(p, p'), E=6-18 MeV; measured Ep, Ip(θ); deduced σ(θ) for specified IAR states, levels, J, π using deconvolution code LAMBDA. 208Pb deduced particle-hole states parameters, configuration mixing, single-particle states parameters. 208,209Bi deduced configuration mixing, single-particle states parameters, widths. Compared with available data.

doi: 10.1140/epja/i2014-14092-y
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2171. Data from this article have been entered in the XUNDL database. For more information, click here.


2013HE19      Phys.Atomic Nuclei 76, 807 (2013)

A.Heusler, R.V.Jolos, P.von Brentano

Excitation energies of particle-hole states in 208Pb and the surface delta interaction

NUCLEAR STRUCTURE 208Pb; calculated energy levels, J, π. Schematic shell model without residual interaction.

doi: 10.1134/S1063778813070065
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2011HE08      Eur.Phys.J. A 47, 22 (2011); Erratum Eur.Phys.J. A 47, 29 (2011)

A.Heusler, T.Faestermann, G.Graw, R.Hertenberger, J.Jolie, R.Krucken, D.Mucher, N.Pietralla, C.Scholl, V.Werner, H.-F.Wirth, P.von Brentano

Neutron particle-hole structure of states in 208Pb determined from the proton decay of the d5/2 isobaric analog resonance in 209Bi

NUCLEAR REACTIONS 208Pb(p, p'), E<14 MeV; measured reaction products, proton spectrum. 208Pb, 209Bi; deduced level energies, σ, J, π, isobaric analog resonances, proton decay. Comparison to the available data.

doi: 10.1140/epja/i2011-11022-7
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011HE13      J.Phys.(London) G38, 105102 (2011)

A.Heusler, T.Faestermann, R.Hertenberger, R.Krucken, H.-F.Wirth, P.von Brentano

Structure of states in 208Pb with major components of the neutron particle-hole configuration ν(d+15/2p-13/2)

NUCLEAR REACTIONS 208Pb(p, p'), 207Pb(d, p), E<14 MeV; measured proton spectra; deduced excitation energies, J, π, σ.

doi: 10.1088/0954-3899/38/10/105102
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011HE25      J.Phys.:Conf.Ser. 312, 092030 (2011)

A.Heusler, G.Graw, R.Hertenberger, H.-F.Wirth, T.Faestermann, R.Krucken, J.Jolie, C.Scholl, P.von Brentano

High resolution particle spectroscopy in 208Pb

doi: 10.1088/1742-6596/312/9/092030
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2010HE08      Phys.Rev. C 82, 014316 (2010)

A.Heusler, G.Graw, R.Hertenberger, F.Riess, H.-F.Wirth, T.Faestermann, R.Krucken, T.Behrens, V.Bildstein, K.Eppinger, C.Herlitzius, O.Lepyoshkina, M.Mahgoub, A.Parikh, S.Schwertel, K.Wimmer, N.Pietralla, V.Werner, J.Jolie, D.Mucher, C.Scholl, P.von Brentano

Positive parity states in 208Pb excited by the proton decay of the isobaric analog intruder resonance j15/2 in 209Bi

NUCLEAR REACTIONS 208Pb(p, p'), E=14.8-18.2 MeV; measured Ep, Ip, σ, excitation functions and σ(θ) via isobaric analog resonances (IAR) in 209Bi. Proton spectra fitted by GASPAN analysis. 209Bi; deduced s.p. width, total width, resonance energy for isobaric analog resonance j15/2. 207Pb(d, p), E=22 MeV; analyzed proton spectra; deduced σ. 208Pb; deduced levels, J, π, l-transfers, particle-hole configurations, spectroscopic factors. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.82.014316
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Data from this article have been entered in the XUNDL database. For more information, click here.


2010HE13      Eur.Phys.J. A 44, 233 (2010)

A.Heusler, G.Graw, Th.Faestermann, R.Hertenberger, R.Krucken, C.Scholl, H.-F.Wirth, P.von Brentano

Observation of five high-spin members of the g9/2f7/2 multiplet in 208Pb

NUCLEAR REACTIONS 208Pb(p, p'), E=14.82-18.08 MeV; measured Ep, Ip(θ), σ(θ), excitation functions via isobaric analog resonances (IAR) in 209Bi. 208Pb; deduced levels, J, π, configurations, spectroscopic factors. Comparison with shell-model calculations.

doi: 10.1140/epja/i2010-10965-3
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1860. Data from this article have been entered in the XUNDL database. For more information, click here.


2010HE24      Eur.Phys.J. A 46, 17 (2010)

A.Heusler, T.Faestermann, R.Hertenberger, R.Krucken, H.-F.Wirth, P.von Brentano

Observation of the 2- state in 208Pb with a major s1/2p3/2 structure and structure of ten more 2- states

NUCLEAR REACTIONS 208Pb(p, p'), E=10.0, 14.5-18.2 MeV; measured Ep, Ip(θ) near IAR using Q3D magnetic spectrograph; deduced new 2- states, σ, σ to individual states, σ(θ), IAR; calculated levels, J, π, σ to individual states using shell model.

doi: 10.1140/epja/i2010-11019-8
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1861. Data from this article have been entered in the XUNDL database. For more information, click here.


2008HE15      Eur.Phys.J. A 38, 9 (2008)

A.Heusler, P.von Brentano

Mass dependence of the surface δ-interaction strength for two-particle (two-hole) multiplets

NUCLEAR STRUCTURE 6He, 6Be, 18O, 18Ne, 42,46Ca, 42Sc, 42,50Ti, 54Fe, 54Co, 76Ni, 92Mo, 98Cd, 102,130,134Sn, 134Te, 148Dy, 210Pb, 210Po; calculated multiplet splitting, configurations; deduced residual interaction strength. Comparison with data.

doi: 10.1140/epja/i2008-10640-4
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2007HE01      Phys.Rev. C 75, 024312 (2007)

A.Heusler, G.Graw, R.Hertenberger, F.Riess, H.-F.Wirth, R.Krucken, P.von Brentano

Mixing strength in the two lowest 0- states in 208Pb

NUCLEAR REACTIONS 207Pb(d, p), E*=5.2-5.7 MeV; measured Ep, σ(θ). 208Pb deduced 0- states level energies, configuration, spectroscopic factors, mixing strength.

doi: 10.1103/PhysRevC.75.024312
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Data from this article have been entered in the XUNDL database. For more information, click here.


2006HE21      Phys.Rev. C 74, 034303 (2006)

A.Heusler, G.Graw, R.Hertenberger, F.Riess, H.-F.Wirth, T.Faestermann, R.Krucken, J.Jolie, D.Mucher, N.Pietralla, P.von Brentano

The i11/2f5/2 and i11/2p3/2 neutron particle-hole multiplets in 208Pb

NUCLEAR REACTIONS 208Pb(p, p'), E=14.92-17.48 MeV; measured Ep, σ(E, θ). 207Pb(d, p), E=22 MeV; measured Ed, σ(E, θ). 208Pb deduced levels, J, π, configurations.

doi: 10.1103/PhysRevC.74.034303
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1866. Data from this article have been entered in the XUNDL database. For more information, click here.


1977HE11      Nucl.Phys. A283, 331 (1977)

A.Heusler, M.Lamehi-Rachti, C.Levi, W.Mittig, L.Papineau

Isobaric Analog Resonances in Doubly Odd N = 85 Isotones and the Seniority Model

NUCLEAR REACTIONS 145Nd(p, p), (p, p'), E=8.7-10.3 MeV; 147Sm(p, p), (p, p'), E=7.5-10.8 MeV; measured σ(E, θ), σ(E, Ep, θ). 145Nd deduced levels. 146Pm deduced isobaric analog resonances. 148Eu deduced isobaric analog resonances, Γ, L, partial widths. Enriched targets.

doi: 10.1016/0375-9474(77)90435-3
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1973DE23      Z.Phys. 260, 247 (1973)

A.v.d.Decken, M.Goldschmidt, A.Heusler, H.V.Klapdor, W.Reiter, D.Rieck, W.Saathoff, C.A.Wiedner, D.Dehnhard

Study of the Ground State Doublet in 57Fe

NUCLEAR REACTIONS 56Fe(d, p), E=10.25 MeV; measured σ(Ep). 57Fe deduced levels, S.

doi: 10.1007/BF01395983
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1973HE07      Ann.Phys.(New York) 75, 381 (1973)

A.Heusler, P.von Brentano

Experimental Determination of Some Matrix Elements of the Effective Residual Interaction among Particle-Hole Configurations in 208Pb

NUCLEAR STRUCTURE 208Pb calculated matrix elements of the residual interaction.

doi: 10.1016/0003-4916(73)90074-2
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1970HE05      Nucl.Phys. A141, 667 (1970)

A.Heusler

Spins in Generalized Neutron Particle-Hole States in 140Ce with Excitation Energies Above E = 4 MeV

NUCLEAR REACTIONS 140Ce(p, p'γ), E=9-11 MeV; measured σ(E;θ(p')). 140Ce deduced levels, J, π. Survey of available data.

doi: 10.1016/0375-9474(70)90997-8
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1970MU09      Nucl.Phys. A146, 477 (1970)

K.Mudersbach, A.Heusler, J.P.Wurm

Generalized Neutron Particle-Hole States in the N = 82 Isotone 142Nd

NUCLEAR REACTIONS 142Nd(p, p'), E=9.25-10.50 MeV; measured σ(E;Ep', θ). 143Pm isobaric analog resonances deduced proton decay widths. 142Nd deduced levels, J, π, wave functions.

doi: 10.1016/0375-9474(70)90741-4
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1969HE13      Nucl.Phys. A135, 591 (1969)

A.Heusler, H.L.Harney, J.P.Wurm

Structure of Generalized Neutron Particle-Hole States in 140Ce

NUCLEAR STRUCTURE 140Ce; calculated neutron particle - hole states.

doi: 10.1016/0375-9474(69)90007-4
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1969HE14      Z.Physik 227, 55 (1969)

A.Heusler, M.Endriss, C.F.Moore, E.Grosse, P.v.Brentano

Gross Structure in Excitation Functions for 207Pb(p, p')207Pb in the Region of Overlapping Isobaric Analogue Resonances

NUCLEAR REACTIONS 207Pb(p, p'), E =16-18 MeV; measured σ(E;Ep'). 208Bi deduced resonances, isobaric analogs.

doi: 10.1007/BF01396679
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1969WU01      Nucl.Phys. A128, 433 (1969)

J.P.Wurm, A.Heusler, P.Von Brentano

Generalized Neutron Particle-Hole States in 140Ce

NUCLEAR REACTIONS 140Ce(p, p'), E=9.40-11.65 MeV; measured σ(E; Ep', θ). 140Ce deduced levels, π. 141Pr isobaric analog resonances deduced proton widths. Natural, enriched targets.

doi: 10.1016/0375-9474(69)90415-1
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1968SO09      MPIH-1968-B1, p.59 (1968)

J.Solf, A.Heusler, J.P.Wurm

Isotopieeffekt der Coulombenergiedifferenzen Isobarisch-Analoger Zustande in 143,145,147,149,151Nd-Pm


1967WI08      Nucl.Phys. A103, 433 (1967)

C.A.Wiedner, A.Heusler, J.Solf, J.P.Wurm

Optical-Model Parameters and the Analysis of (d, p) Stripping Experiments on 138Ba, 140Ce and 142,144,146Nd

NUCLEAR REACTIONS 138Ba(d, d), E=11.8 MeV; 143Nd(p, p) E=13 MeV; measured σ(θ). 138Ba, 140Ce, 142,144,146Nd(d, p), E=12 MeV; measured σ(Ep, θ); deduced Q. 139Ba, 141Ce, 143,145,147Nd deduced levels, L, π, S, optical-model parameters. Enriched targets.

doi: 10.1016/0375-9474(67)90263-1
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